razor: razor.c@f173765f7623 (annotated)

krh@15	1	#define _GNU_SOURCE
krh@15	2
krh@0	3	#include <stdlib.h>
krh@19	4	#include <stddef.h>
krh@0	5	#include <stdio.h>
krh@0	6	#include <string.h>
krh@0	7	#include <sys/types.h>
krh@0	8	#include <sys/stat.h>
krh@0	9	#include <sys/mman.h>
krh@0	10	#include <unistd.h>
krh@0	11	#include <fcntl.h>
krh@15	12	#include <errno.h>
krh@35	13	#include <ctype.h>
krh@54	14	#include <fnmatch.h>
krh@0	15
krh@27	16	#include "razor.h"
krh@91	17	#include "razor-internal.h"
krh@6	18
krh@30	19	struct array {
krh@30	20	void *data;
krh@30	21	int size, alloc;
krh@30	22	};
krh@30	23
krh@30	24	struct razor_set_section {
krh@30	25	unsigned int type;
krh@30	26	unsigned int offset;
krh@30	27	unsigned int size;
krh@30	28	};
krh@30	29
krh@30	30	struct razor_set_header {
krh@30	31	unsigned int magic;
krh@30	32	unsigned int version;
krh@30	33	struct razor_set_section sections[0];
krh@30	34	};
krh@30	35
krh@30	36	#define RAZOR_MAGIC 0x7a7a7a7a
krh@30	37	#define RAZOR_VERSION 1
krh@30	38
krh@61	39	#define RAZOR_ENTRY_LAST 0x80000000ul
krh@61	40	#define RAZOR_IMMEDIATE 0x80000000ul
krh@61	41	#define RAZOR_ENTRY_MASK 0x00fffffful
krh@61	42
krh@66	43	#define RAZOR_STRING_POOL 0
krh@66	44	#define RAZOR_PACKAGES 1
krh@66	45	#define RAZOR_PROPERTIES 2
krh@66	46	#define RAZOR_FILES 3
krh@66	47	#define RAZOR_PACKAGE_POOL 4
krh@66	48	#define RAZOR_PROPERTY_POOL 5
krh@66	49	#define RAZOR_FILE_POOL 6
krh@30	50
krh@30	51	struct razor_package {
krh@30	52	unsigned long name;
krh@30	53	unsigned long version;
krh@66	54	unsigned long properties;
krh@56	55	unsigned long files;
krh@30	56	};
krh@30	57
krh@30	58	struct razor_property {
krh@30	59	unsigned long name;
krh@30	60	unsigned long version;
krh@30	61	unsigned long packages;
krh@30	62	};
krh@30	63
krh@48	64	struct razor_entry {
krh@48	65	unsigned long name;
krh@48	66	unsigned long start;
krh@52	67	unsigned long packages;
krh@48	68	};
krh@48	69
krh@30	70	struct razor_set {
krh@30	71	struct array string_pool;
krh@30	72	struct array packages;
krh@66	73	struct array properties;
krh@56	74	struct array files;
krh@56	75	struct array package_pool;
krh@66	76	struct array property_pool;
krh@56	77	struct array file_pool;
krh@30	78	struct razor_set_header *header;
krh@30	79	};
krh@30	80
krh@52	81	struct import_entry {
krh@52	82	unsigned long package;
krh@52	83	char *name;
krh@52	84	};
krh@52	85
krh@52	86	struct import_directory {
krh@52	87	unsigned long name, count;
krh@52	88	struct array files;
krh@52	89	struct array packages;
krh@52	90	struct import_directory *last;
krh@52	91	};
krh@52	92
krh@78	93	struct hashtable {
krh@78	94	struct array buckets;
krh@78	95	struct array *pool;
krh@78	96	};
krh@78	97
krh@30	98	struct razor_importer {
krh@30	99	struct razor_set *set;
krh@78	100	struct hashtable table;
krh@30	101	struct razor_package *package;
krh@66	102	struct array properties;
krh@48	103	struct array files;
krh@30	104	};
krh@30	105
krh@13	106	static void
krh@13	107	array_init(struct array *array)
krh@13	108	{
krh@13	109	memset(array, 0, sizeof *array);
krh@13	110	}
krh@13	111
krh@13	112	static void
krh@13	113	array_release(struct array *array)
krh@13	114	{
krh@13	115	free(array->data);
krh@13	116	}
krh@13	117
krh@6	118	static void *
krh@6	119	array_add(struct array *array, int size)
krh@6	120	{
krh@6	121	int alloc;
krh@6	122	void data, p;
krh@6	123
krh@6	124	if (array->alloc > 0)
krh@6	125	alloc = array->alloc;
krh@6	126	else
krh@10	127	alloc = 16;
krh@6	128
krh@6	129	while (alloc < array->size + size)
krh@6	130	alloc *= 2;
krh@6	131
krh@6	132	if (array->alloc < alloc) {
krh@6	133	data = realloc(array->data, alloc);
krh@6	134	if (data == NULL)
krh@6	135	return 0;
krh@6	136	array->data = data;
krh@6	137	array->alloc = alloc;
krh@6	138	}
krh@6	139
krh@6	140	p = array->data + array->size;
krh@6	141	array->size += size;
krh@6	142
krh@6	143	return p;
krh@6	144	}
krh@6	145
krh@0	146	static void *
krh@0	147	zalloc(size_t size)
krh@0	148	{
krh@0	149	void *p;
krh@0	150
krh@0	151	p = malloc(size);
krh@0	152	memset(p, 0, size);
krh@0	153
krh@0	154	return p;
krh@0	155	}
krh@0	156
krh@19	157	struct razor_set_section razor_sections[] = {
krh@56	158	{ RAZOR_STRING_POOL, offsetof(struct razor_set, string_pool) },
krh@19	159	{ RAZOR_PACKAGES, offsetof(struct razor_set, packages) },
krh@66	160	{ RAZOR_PROPERTIES, offsetof(struct razor_set, properties) },
krh@56	161	{ RAZOR_FILES, offsetof(struct razor_set, files) },
krh@39	162	{ RAZOR_PACKAGE_POOL, offsetof(struct razor_set, package_pool) },
krh@66	163	{ RAZOR_PROPERTY_POOL, offsetof(struct razor_set, property_pool) },
krh@56	164	{ RAZOR_FILE_POOL, offsetof(struct razor_set, file_pool) },
krh@19	165	};
krh@19	166
krh@4	167	struct razor_set *
krh@4	168	razor_set_create(void)
krh@0	169	{
krh@18	170	return zalloc(sizeof(struct razor_set));
krh@0	171	}
krh@0	172
krh@4	173	struct razor_set *
krh@4	174	razor_set_open(const char *filename)
krh@0	175	{
krh@4	176	struct razor_set *set;
krh@19	177	struct razor_set_section *s;
krh@0	178	struct stat stat;
krh@19	179	struct array *array;
krh@19	180	int fd;
krh@0	181
krh@4	182	set = zalloc(sizeof *set);
krh@0	183	fd = open(filename, O_RDONLY);
krh@0	184	if (fstat(fd, &stat) < 0)
krh@0	185	return NULL;
krh@4	186	set->header = mmap(NULL, stat.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
krh@4	187	if (set->header == MAP_FAILED) {
krh@4	188	free(set);
krh@0	189	return NULL;
krh@0	190	}
krh@0	191
krh@19	192	for (s = set->header->sections; ~s->type; s++) {
krh@19	193	if (s->type >= ARRAY_SIZE(razor_sections))
krh@19	194	continue;
krh@19	195	if (s->type != razor_sections[s->type].type)
krh@19	196	continue;
krh@19	197	array = (void *) set + razor_sections[s->type].offset;
krh@19	198	array->data = (void *) set->header + s->offset;
krh@19	199	array->size = s->size;
krh@19	200	array->alloc = s->size;
krh@0	201	}
krh@0	202	close(fd);
krh@0	203
krh@4	204	return set;
krh@0	205	}
krh@0	206
krh@0	207	void
krh@4	208	razor_set_destroy(struct razor_set *set)
krh@0	209	{
krh@0	210	unsigned int size;
krh@19	211	struct array *a;
krh@0	212	int i;
krh@0	213
krh@4	214	if (set->header) {
krh@4	215	for (i = 0; set->header->sections[i].type; i++)
krh@0	216	;
krh@4	217	size = set->header->sections[i].type;
krh@4	218	munmap(set->header, size);
krh@0	219	} else {
krh@19	220	for (i = 0; i < ARRAY_SIZE(razor_sections); i++) {
krh@19	221	a = (void *) set + razor_sections[i].offset;
krh@19	222	free(a->data);
krh@19	223	}
krh@0	224	}
krh@0	225
krh@4	226	free(set);
krh@0	227	}
krh@0	228
krh@43	229	int
krh@4	230	razor_set_write(struct razor_set set, const char filename)
krh@0	231	{
krh@0	232	char data[4096];
krh@4	233	struct razor_set_header header = (struct razor_set_header ) data;
krh@19	234	struct array *a;
krh@17	235	unsigned long offset;
krh@17	236	int i, fd;
krh@0	237
krh@0	238	memset(data, 0, sizeof data);
krh@4	239	header->magic = RAZOR_MAGIC;
krh@4	240	header->version = RAZOR_VERSION;
krh@17	241	offset = sizeof data;
krh@0	242
krh@19	243	for (i = 0; i < ARRAY_SIZE(razor_sections); i++) {
krh@19	244	if (razor_sections[i].type != i)
krh@19	245	continue;
krh@19	246	a = (void *) set + razor_sections[i].offset;
krh@19	247	header->sections[i].type = i;
krh@17	248	header->sections[i].offset = offset;
krh@19	249	header->sections[i].size = a->size;
krh@91	250	offset += ALIGN(a->size, 4096);
krh@17	251	}
krh@0	252
krh@19	253	header->sections[i].type = ~0;
krh@17	254	header->sections[i].offset = 0;
krh@17	255	header->sections[i].size = 0;
krh@10	256
krh@0	257	fd = open(filename, O_CREAT \| O_WRONLY \| O_TRUNC, 0666);
krh@0	258	if (fd < 0)
krh@0	259	return -1;
krh@0	260
krh@91	261	razor_write(fd, data, sizeof data);
krh@19	262	for (i = 0; i < ARRAY_SIZE(razor_sections); i++) {
krh@19	263	if (razor_sections[i].type != i)
krh@19	264	continue;
krh@19	265	a = (void *) set + razor_sections[i].offset;
krh@91	266	razor_write(fd, a->data, ALIGN(a->size, 4096));
krh@19	267	}
krh@17	268
krh@17	269	close(fd);
krh@0	270
krh@0	271	return 0;
krh@0	272	}
krh@0	273
krh@0	274	static unsigned int
krh@0	275	hash_string(const char *key)
krh@0	276	{
krh@0	277	const char *p;
krh@0	278	unsigned int hash = 0;
krh@0	279
krh@0	280	for (p = key; *p; p++)
krh@9	281	hash = (hash * 617) ^ *p;
krh@0	282
krh@0	283	return hash;
krh@0	284	}
krh@0	285
krh@32	286	static unsigned long
krh@78	287	hashtable_lookup(struct hashtable table, const char key)
krh@0	288	{
krh@6	289	unsigned int mask, start, i;
krh@6	290	unsigned long *b;
krh@6	291	char *pool;
krh@0	292
krh@78	293	pool = table->pool->data;
krh@78	294	mask = table->buckets.alloc - 1;
krh@6	295	start = hash_string(key) * sizeof(unsigned long);
krh@0	296
krh@78	297	for (i = 0; i < table->buckets.alloc; i += sizeof *b) {
krh@78	298	b = table->buckets.data + ((start + i) & mask);
krh@6	299
krh@6	300	if (*b == 0)
krh@0	301	return 0;
krh@0	302
krh@6	303	if (strcmp(key, &pool[*b]) == 0)
krh@6	304	return *b;
krh@6	305	}
krh@0	306
krh@0	307	return 0;
krh@0	308	}
krh@0	309
krh@0	310	static unsigned long
krh@78	311	add_to_string_pool(struct hashtable table, const char key)
krh@0	312	{
krh@6	313	int len;
krh@6	314	char *p;
krh@0	315
krh@0	316	len = strlen(key) + 1;
krh@78	317	p = array_add(table->pool, len);
krh@6	318	memcpy(p, key, len);
krh@0	319
krh@78	320	return p - (char *) table->pool->data;
krh@0	321	}
krh@0	322
krh@10	323	static unsigned long
krh@39	324	add_to_property_pool(struct array pool, struct array properties)
krh@10	325	{
krh@92	326	unsigned long *p;
krh@92	327
krh@92	328	if (properties->size == 0)
krh@92	329	return ~0;
krh@92	330	else if (properties->size == sizeof *p)
krh@92	331	return (unsigned long ) properties->data \| RAZOR_IMMEDIATE;
krh@10	332
krh@39	333	p = array_add(pool, properties->size);
krh@10	334	memcpy(p, properties->data, properties->size);
krh@64	335	p[properties->size / sizeof *p - 1] \|= RAZOR_IMMEDIATE;
krh@10	336
krh@39	337	return p - (unsigned long *) pool->data;
krh@10	338	}
krh@10	339
krh@0	340	static void
krh@78	341	do_insert(struct hashtable *table, unsigned long value)
krh@0	342	{
krh@6	343	unsigned int mask, start, i;
krh@6	344	unsigned long *b;
krh@0	345	const char *key;
krh@0	346
krh@78	347	key = (char *) table->pool->data + value;
krh@78	348	mask = table->buckets.alloc - 1;
krh@6	349	start = hash_string(key) * sizeof(unsigned long);
krh@6	350
krh@78	351	for (i = 0; i < table->buckets.alloc; i += sizeof *b) {
krh@78	352	b = table->buckets.data + ((start + i) & mask);
krh@6	353	if (*b == 0) {
krh@6	354	*b = value;
krh@0	355	break;
krh@0	356	}
krh@6	357	}
krh@0	358	}
krh@0	359
krh@32	360	static unsigned long
krh@78	361	hashtable_insert(struct hashtable table, const char key)
krh@0	362	{
krh@6	363	unsigned long value, buckets, b, *end;
krh@6	364	int alloc;
krh@0	365
krh@78	366	alloc = table->buckets.alloc;
krh@78	367	array_add(&table->buckets, 4 * sizeof *buckets);
krh@78	368	if (alloc != table->buckets.alloc) {
krh@78	369	end = table->buckets.data + alloc;
krh@78	370	memset(end, 0, table->buckets.alloc - alloc);
krh@78	371	for (b = table->buckets.data; b < end; b++) {
krh@6	372	value = *b;
krh@6	373	if (value != 0) {
krh@6	374	*b = 0;
krh@78	375	do_insert(table, value);
krh@6	376	}
krh@0	377	}
krh@0	378	}
krh@0	379
krh@78	380	value = add_to_string_pool(table, key);
krh@78	381	do_insert (table, value);
krh@0	382
krh@0	383	return value;
krh@0	384	}
krh@0	385
krh@78	386	static void
krh@78	387	hashtable_init(struct hashtable table, struct array pool)
krh@78	388	{
krh@78	389	array_init(&table->buckets);
krh@78	390	table->pool = pool;
krh@78	391	}
krh@78	392
krh@78	393	static void
krh@78	394	hashtable_release(struct hashtable *table)
krh@78	395	{
krh@78	396	array_release(&table->buckets);
krh@78	397	}
krh@78	398
krh@30	399	static unsigned long
krh@79	400	hashtable_tokenize(struct hashtable table, const char string)
krh@0	401	{
krh@0	402	unsigned long token;
krh@0	403
krh@13	404	if (string == NULL)
krh@78	405	string = "";
krh@13	406
krh@79	407	token = hashtable_lookup(table, string);
krh@0	408	if (token != 0)
krh@0	409	return token;
krh@0	410
krh@79	411	return hashtable_insert(table, string);
krh@79	412	}
krh@79	413
krh@79	414	static unsigned long
krh@79	415	razor_importer_tokenize(struct razor_importer importer, const char string)
krh@79	416	{
krh@79	417	return hashtable_tokenize(&importer->table, string);
krh@0	418	}
krh@0	419
krh@27	420	void
krh@30	421	razor_importer_begin_package(struct razor_importer *importer,
krh@30	422	const char name, const char version)
krh@13	423	{
krh@25	424	struct razor_package *p;
krh@13	425
krh@30	426	p = array_add(&importer->set->packages, sizeof *p);
krh@32	427	p->name = razor_importer_tokenize(importer, name);
krh@32	428	p->version = razor_importer_tokenize(importer, version);
krh@13	429
krh@30	430	importer->package = p;
krh@66	431	array_init(&importer->properties);
krh@13	432	}
krh@13	433
krh@13	434	void
krh@30	435	razor_importer_finish_package(struct razor_importer *importer)
krh@13	436	{
krh@25	437	struct razor_package *p;
krh@13	438
krh@30	439	p = importer->package;
krh@66	440	p->properties = add_to_property_pool(&importer->set->property_pool,
krh@66	441	&importer->properties);
krh@13	442
krh@66	443	array_release(&importer->properties);
krh@13	444	}
krh@13	445
krh@66	446	void
krh@30	447	razor_importer_add_property(struct razor_importer *importer,
krh@66	448	const char name, const char version,
krh@66	449	enum razor_property_type type)
krh@13	450	{
krh@25	451	struct razor_property *p;
krh@13	452	unsigned long *r;
krh@13	453
krh@66	454	p = array_add(&importer->set->properties, sizeof *p);
krh@66	455	p->name = razor_importer_tokenize(importer, name) \| (type << 30);
krh@32	456	p->version = razor_importer_tokenize(importer, version);
krh@30	457	p->packages = importer->package -
krh@30	458	(struct razor_package *) importer->set->packages.data;
krh@13	459
krh@66	460	r = array_add(&importer->properties, sizeof *r);
krh@66	461	r = p - (struct razor_property ) importer->set->properties.data;
krh@30	462	}
krh@30	463
krh@46	464	void
krh@46	465	razor_importer_add_file(struct razor_importer importer, const char name)
krh@46	466	{
krh@52	467	struct import_entry *e;
krh@48	468
krh@52	469	e = array_add(&importer->files, sizeof *e);
krh@52	470
krh@52	471	e->package = importer->package -
krh@52	472	(struct razor_package *) importer->set->packages.data;
krh@52	473	e->name = strdup(name);
krh@46	474	}
krh@46	475
krh@30	476	struct razor_importer *
krh@30	477	razor_importer_new(void)
krh@30	478	{
krh@30	479	struct razor_importer *importer;
krh@30	480
krh@30	481	importer = zalloc(sizeof *importer);
krh@30	482	importer->set = razor_set_create();
krh@78	483	hashtable_init(&importer->table, &importer->set->string_pool);
krh@30	484
krh@30	485	return importer;
krh@9	486	}
krh@9	487
krh@75	488	/* Destroy an importer without creating the set. */
krh@75	489	void
krh@75	490	razor_importer_destroy(struct razor_importer *importer)
krh@75	491	{
krh@75	492	/* FIXME: write this */
krh@75	493	}
krh@75	494
krh@75	495
krh@22	496	typedef int (compare_with_data_func_t)(const void p1,
krh@22	497	const void *p,
krh@22	498	void *data);
krh@22	499
krh@25	500	struct qsort_context {
krh@25	501	size_t size;
krh@25	502	compare_with_data_func_t compare;
krh@25	503	void *data;
krh@25	504	};
krh@25	505
krh@22	506	static void
krh@22	507	qsort_swap(void p1, void p2, size_t size)
krh@22	508	{
krh@22	509	char buffer[size];
krh@22	510
krh@22	511	memcpy(buffer, p1, size);
krh@22	512	memcpy(p1, p2, size);
krh@22	513	memcpy(p2, buffer, size);
krh@22	514	}
krh@22	515
krh@25	516	static void
krh@25	517	__qsort_with_data(void base, size_t nelem, unsigned long map,
krh@25	518	struct qsort_context *ctx)
krh@22	519	{
krh@22	520	void p, start, end, pivot;
krh@25	521	unsigned long mp, mstart, *mend, tmp;
krh@22	522	int left, right, result;
krh@25	523	size_t size = ctx->size;
krh@22	524
krh@22	525	p = base;
krh@22	526	start = base;
krh@22	527	end = base + nelem * size;
krh@25	528	mp = map;
krh@25	529	mstart = map;
krh@25	530	mend = map + nelem;
krh@22	531	pivot = base + (random() % nelem) * size;
krh@25	532
krh@22	533	while (p < end) {
krh@25	534	result = ctx->compare(p, pivot, ctx->data);
krh@22	535	if (result < 0) {
krh@22	536	qsort_swap(p, start, size);
krh@25	537	tmp = *mp;
krh@25	538	mp = mstart;
krh@25	539	*mstart = tmp;
krh@22	540	if (start == pivot)
krh@22	541	pivot = p;
krh@22	542	start += size;
krh@25	543	mstart++;
krh@22	544	p += size;
krh@29	545	mp++;
krh@22	546	} else if (result == 0) {
krh@22	547	p += size;
krh@25	548	mp++;
krh@22	549	} else {
krh@22	550	end -= size;
krh@25	551	mend--;
krh@22	552	qsort_swap(p, end, size);
krh@25	553	tmp = *mp;
krh@29	554	mp = mend;
krh@29	555	*mend = tmp;
krh@22	556	if (end == pivot)
krh@22	557	pivot = p;
krh@22	558	}
krh@22	559	}
krh@22	560
krh@22	561	left = (start - base) / size;
krh@22	562	right = (base + nelem * size - end) / size;
krh@22	563	if (left > 1)
krh@25	564	__qsort_with_data(base, left, map, ctx);
krh@22	565	if (right > 1)
krh@25	566	__qsort_with_data(end, right, mend, ctx);
krh@25	567	}
krh@25	568
krh@25	569	unsigned long *
krh@25	570	qsort_with_data(void *base, size_t nelem, size_t size,
krh@25	571	compare_with_data_func_t compare, void *data)
krh@25	572	{
krh@25	573	struct qsort_context ctx;
krh@25	574	unsigned long *map;
krh@25	575	int i;
krh@25	576
krh@75	577	if (nelem == 0)
krh@75	578	return NULL;
krh@75	579
krh@25	580	ctx.size = size;
krh@25	581	ctx.compare = compare;
krh@25	582	ctx.data = data;
krh@25	583
krh@25	584	map = malloc(nelem * sizeof (unsigned long));
krh@25	585	for (i = 0; i < nelem; i++)
krh@25	586	map[i] = i;
krh@25	587
krh@25	588	__qsort_with_data(base, nelem, map, &ctx);
krh@25	589
krh@25	590	return map;
krh@22	591	}
krh@9	592
krh@9	593	static int
krh@35	594	versioncmp(const char s1, const char s2)
krh@35	595	{
krh@35	596	const char p1, p2;
krh@35	597	long n1, n2;
krh@35	598	int res;
krh@35	599
krh@35	600	n1 = strtol(s1, (char **) &p1, 0);
krh@35	601	n2 = strtol(s2, (char **) &p2, 0);
krh@35	602
krh@35	603	/* Epoch; if one but not the other has an epoch set, default
krh@35	604	* the epoch-less version to 0. */
krh@35	605	res = (p1 == ':') - (p2 == ':');
krh@35	606	if (res < 0) {
krh@35	607	n1 = 0;
krh@35	608	p1 = s1;
krh@35	609	p2++;
krh@35	610	} else if (res > 0) {
krh@35	611	p1++;
krh@35	612	n2 = 0;
krh@35	613	p2 = s2;
krh@35	614	}
krh@35	615
krh@35	616	if (n1 != n2)
krh@35	617	return n1 - n2;
krh@35	618	while (p1 && p2) {
krh@35	619	if (p1 != p2)
krh@35	620	return p1 - p2;
krh@35	621	p1++;
krh@35	622	p2++;
krh@35	623	if (isdigit(p1) && isdigit(p2))
krh@35	624	return versioncmp(p1, p2);
krh@35	625	}
krh@35	626
krh@35	627	return p1 - p2;
krh@35	628	}
krh@35	629
krh@35	630
krh@35	631	static int
krh@22	632	compare_packages(const void p1, const void p2, void *data)
krh@9	633	{
krh@25	634	const struct razor_package pkg1 = p1, pkg2 = p2;
krh@22	635	struct razor_set *set = data;
krh@22	636	char *pool = set->string_pool.data;
krh@9	637
krh@23	638	if (pkg1->name == pkg2->name)
krh@35	639	return versioncmp(&pool[pkg1->version], &pool[pkg2->version]);
krh@23	640	else
krh@23	641	return strcmp(&pool[pkg1->name], &pool[pkg2->name]);
krh@9	642	}
krh@9	643
krh@9	644	static int
krh@22	645	compare_properties(const void p1, const void p2, void *data)
krh@9	646	{
krh@25	647	const struct razor_property prop1 = p1, prop2 = p2;
krh@22	648	struct razor_set *set = data;
krh@22	649	char *pool = set->string_pool.data;
krh@9	650
krh@23	651	if (prop1->name == prop2->name)
krh@66	652	return versioncmp(&pool[prop1->version],
krh@66	653	&pool[prop2->version]);
krh@66	654	else if ((prop1->name & RAZOR_ENTRY_MASK) == (prop2->name & RAZOR_ENTRY_MASK))
krh@66	655	return (prop1->name >> 30) - (prop2->name >> 30);
krh@12	656	else
krh@66	657	return strcmp(&pool[prop1->name & RAZOR_ENTRY_MASK],
krh@66	658	&pool[prop2->name & RAZOR_ENTRY_MASK]);
krh@9	659	}
krh@9	660
krh@10	661	static unsigned long *
krh@66	662	uniqueify_properties(struct razor_set *set)
krh@9	663	{
krh@25	664	struct razor_property rp, up, *rp_end;
krh@18	665	struct array pkgs, p;
krh@25	666	unsigned long map, rmap, *r;
krh@18	667	int i, count, unique;
krh@9	668
krh@66	669	count = set->properties.size / sizeof(struct razor_property);
krh@66	670	map = qsort_with_data(set->properties.data,
krh@25	671	count,
krh@25	672	sizeof(struct razor_property),
krh@25	673	compare_properties,
krh@25	674	set);
krh@9	675
krh@66	676	rp_end = set->properties.data + set->properties.size;
krh@25	677	rmap = malloc(count * sizeof *map);
krh@25	678	pkgs = zalloc(count * sizeof *pkgs);
krh@66	679	for (rp = set->properties.data, up = rp, i = 0; rp < rp_end; rp++, i++) {
krh@25	680	if (rp->name != up->name \|\| rp->version != up->version) {
krh@25	681	up++;
krh@25	682	up->name = rp->name;
krh@25	683	up->version = rp->version;
krh@10	684	}
krh@25	685
krh@66	686	unique = up - (struct razor_property *) set->properties.data;
krh@25	687	rmap[map[i]] = unique;
krh@25	688	r = array_add(&pkgs[unique], sizeof *r);
krh@25	689	*r = rp->packages;
krh@10	690	}
krh@25	691	free(map);
krh@9	692
krh@25	693	up++;
krh@66	694	set->properties.size = (void *) up - set->properties.data;
krh@25	695	rp_end = up;
krh@66	696	for (rp = set->properties.data, p = pkgs; rp < rp_end; rp++, p++) {
krh@61	697	if (p->size / sizeof *r == 1) {
krh@61	698	r = p->data;
krh@61	699	rp->packages = *r \| RAZOR_IMMEDIATE;
krh@61	700	} else {
krh@61	701	rp->packages =
krh@61	702	add_to_property_pool(&set->package_pool, p);
krh@61	703	}
krh@25	704	array_release(p);
krh@18	705	}
krh@18	706
krh@18	707	free(pkgs);
krh@18	708
krh@25	709	return rmap;
krh@10	710	}
krh@10	711
krh@10	712	static void
krh@39	713	remap_links(struct array links, unsigned long map)
krh@10	714	{
krh@39	715	unsigned long p, end;
krh@10	716
krh@39	717	end = links->data + links->size;
krh@39	718	for (p = links->data; p < end; p++)
krh@64	719	p = map[p & RAZOR_ENTRY_MASK] \| (*p & ~RAZOR_ENTRY_MASK);
krh@9	720	}
krh@9	721
krh@48	722	static int
krh@48	723	compare_filenames(const void p1, const void p2, void *data)
krh@48	724	{
krh@52	725	const struct import_entry *e1 = p1;
krh@52	726	const struct import_entry *e2 = p2;
krh@48	727
krh@52	728	return strcmp(e1->name, e2->name);
krh@48	729	}
krh@48	730
krh@48	731	static void
krh@52	732	count_entries(struct import_directory *d)
krh@48	733	{
krh@52	734	struct import_directory p, end;
krh@48	735
krh@48	736	p = d->files.data;
krh@48	737	end = d->files.data + d->files.size;
krh@48	738	d->count = 0;
krh@48	739	while (p < end) {
krh@48	740	count_entries(p);
krh@48	741	d->count += p->count + 1;
krh@48	742	p++;
krh@48	743	}
krh@48	744	}
krh@48	745
krh@48	746	static void
krh@52	747	serialize_files(struct razor_set *set,
krh@52	748	struct import_directory d, struct array array)
krh@48	749	{
krh@52	750	struct import_directory p, end;
krh@56	751	struct razor_entry *e = NULL;
krh@60	752	unsigned long s, *r;
krh@48	753
krh@48	754	p = d->files.data;
krh@48	755	end = d->files.data + d->files.size;
krh@48	756	s = array->size / sizeof e + d->files.size / sizeof p;
krh@48	757	while (p < end) {
krh@48	758	e = array_add(array, sizeof *e);
krh@48	759	e->name = p->name;
krh@56	760	e->start = p->count > 0 ? s : 0;
krh@48	761	s += p->count;
krh@60	762
krh@64	763	if (p->packages.size == 0) {
krh@92	764	e->packages = ~0;
krh@64	765	} else if (p->packages.size / sizeof *r == 1) {
krh@60	766	r = p->packages.data;
krh@60	767	e->packages = *r \| RAZOR_IMMEDIATE;
krh@60	768	} else {
krh@60	769	e->packages = add_to_property_pool(&set->package_pool,
krh@60	770	&p->packages);
krh@60	771	}
krh@52	772	array_release(&p->packages);
krh@48	773	p++;
krh@48	774	}
krh@56	775	if (e != NULL)
krh@56	776	e->name \|= RAZOR_ENTRY_LAST;
krh@48	777
krh@48	778	p = d->files.data;
krh@48	779	end = d->files.data + d->files.size;
krh@48	780	while (p < end) {
krh@52	781	serialize_files(set, p, array);
krh@48	782	p++;
krh@48	783	}
krh@48	784	}
krh@48	785
krh@48	786	static void
krh@61	787	remap_property_package_links(struct array properties, unsigned long rmap)
krh@61	788	{
krh@61	789	struct razor_property p, end;
krh@61	790
krh@61	791	end = properties->data + properties->size;
krh@61	792	for (p = properties->data; p < end; p++)
krh@61	793	if (p->packages & RAZOR_IMMEDIATE)
krh@61	794	p->packages = rmap[p->packages & RAZOR_ENTRY_MASK] \|
krh@61	795	RAZOR_IMMEDIATE;
krh@61	796	}
krh@61	797
krh@61	798	static void
krh@48	799	build_file_tree(struct razor_importer *importer)
krh@48	800	{
krh@48	801	int count, i, length;
krh@52	802	struct import_entry *filenames;
krh@52	803	char f, end;
krh@52	804	unsigned long name, *r;
krh@48	805	char dirname[256];
krh@52	806	struct import_directory *d, root;
krh@48	807	struct razor_entry *e;
krh@48	808
krh@52	809	count = importer->files.size / sizeof (struct import_entry);
krh@48	810	qsort_with_data(importer->files.data,
krh@48	811	count,
krh@52	812	sizeof (struct import_entry),
krh@48	813	compare_filenames,
krh@48	814	NULL);
krh@48	815
krh@48	816	root.name = razor_importer_tokenize(importer, "");
krh@48	817	array_init(&root.files);
krh@52	818	array_init(&root.packages);
krh@48	819	root.last = NULL;
krh@48	820
krh@48	821	filenames = importer->files.data;
krh@48	822	for (i = 0; i < count; i++) {
krh@52	823	f = filenames[i].name;
krh@48	824	if (*f != '/')
krh@48	825	continue;
krh@57	826	f++;
krh@48	827
krh@48	828	d = &root;
krh@48	829	while (*f) {
krh@57	830	end = strchr(f, '/');
krh@48	831	if (end == NULL)
krh@48	832	end = f + strlen(f);
krh@57	833	length = end - f;
krh@57	834	memcpy(dirname, f, length);
krh@48	835	dirname[length] ='\0';
krh@48	836	name = razor_importer_tokenize(importer, dirname);
krh@48	837	if (d->last == NULL \|\| d->last->name != name) {
krh@48	838	d->last = array_add(&d->files, sizeof *d);
krh@48	839	d->last->name = name;
krh@48	840	d->last->last = NULL;
krh@48	841	array_init(&d->last->files);
krh@52	842	array_init(&d->last->packages);
krh@48	843	}
krh@48	844	d = d->last;
krh@57	845	f = end + 1;
krh@57	846	if (*end == '\0')
krh@57	847	break;
krh@48	848	}
krh@48	849
krh@52	850	r = array_add(&d->packages, sizeof *r);
krh@52	851	*r = filenames[i].package;
krh@52	852	free(filenames[i].name);
krh@48	853	}
krh@48	854
krh@48	855	count_entries(&root);
krh@56	856	array_init(&importer->set->files);
krh@48	857
krh@56	858	e = array_add(&importer->set->files, sizeof *e);
krh@56	859	e->name = root.name \| RAZOR_ENTRY_LAST;
krh@48	860	e->start = 1;
krh@92	861	e->packages = ~0;
krh@48	862
krh@56	863	serialize_files(importer->set, &root, &importer->set->files);
krh@48	864
krh@48	865	array_release(&importer->files);
krh@48	866	}
krh@48	867
krh@56	868	static void
krh@60	869	build_package_file_lists(struct razor_set set, unsigned long rmap)
krh@54	870	{
krh@56	871	struct razor_package p, packages;
krh@56	872	struct array *pkgs;
krh@54	873	struct razor_entry e, end;
krh@56	874	unsigned long r, q;
krh@56	875	int i, count;
krh@54	876
krh@56	877	count = set->packages.size / sizeof *p;
krh@56	878	pkgs = zalloc(count * sizeof *pkgs);
krh@54	879
krh@56	880	end = set->files.data + set->files.size;
krh@92	881	for (e = set->files.data; e < end; e++) {
krh@92	882	if (e->packages == ~0) {
krh@92	883	continue;
krh@92	884	} else if (e->packages & RAZOR_IMMEDIATE) {
krh@60	885	e->packages = rmap[e->packages & RAZOR_ENTRY_MASK] \|
krh@60	886	RAZOR_IMMEDIATE;
krh@60	887	r = &e->packages;
krh@60	888	} else {
krh@60	889	r = (unsigned long *) set->package_pool.data + e->packages;
krh@60	890	}
krh@60	891
krh@64	892	while (1) {
krh@60	893	q = array_add(&pkgs[r & RAZOR_ENTRY_MASK], sizeof q);
krh@56	894	q = e - (struct razor_entry ) set->files.data;
krh@60	895	if (*r++ & RAZOR_IMMEDIATE)
krh@60	896	break;
krh@54	897	}
krh@54	898	}
krh@54	899
krh@56	900	packages = set->packages.data;
krh@56	901	for (i = 0; i < count; i++) {
krh@56	902	packages[i].files =
krh@56	903	add_to_property_pool(&set->file_pool, &pkgs[i]);
krh@56	904	array_release(&pkgs[i]);
krh@48	905	}
krh@56	906	free(pkgs);
krh@52	907	}
krh@52	908
krh@27	909	struct razor_set *
krh@30	910	razor_importer_finish(struct razor_importer *importer)
krh@9	911	{
krh@30	912	struct razor_set *set;
krh@39	913	unsigned long map, rmap;
krh@39	914	int i, count;
krh@18	915
krh@66	916	map = uniqueify_properties(importer->set);
krh@66	917	remap_links(&importer->set->property_pool, map);
krh@39	918	free(map);
krh@25	919
krh@30	920	count = importer->set->packages.size / sizeof(struct razor_package);
krh@30	921	map = qsort_with_data(importer->set->packages.data,
krh@25	922	count,
krh@25	923	sizeof(struct razor_package),
krh@25	924	compare_packages,
krh@30	925	importer->set);
krh@39	926
krh@39	927	rmap = malloc(count * sizeof *rmap);
krh@39	928	for (i = 0; i < count; i++)
krh@39	929	rmap[map[i]] = i;
krh@25	930	free(map);
krh@13	931
krh@48	932	build_file_tree(importer);
krh@52	933	remap_links(&importer->set->package_pool, rmap);
krh@60	934	build_package_file_lists(importer->set, rmap);
krh@66	935	remap_property_package_links(&importer->set->properties, rmap);
krh@52	936	free(rmap);
krh@48	937
krh@30	938	set = importer->set;
krh@78	939	hashtable_release(&importer->table);
krh@30	940	free(importer);
krh@30	941
krh@30	942	return set;
krh@9	943	}
krh@9	944
krh@92	945	struct razor_package_iterator {
krh@92	946	struct razor_set *set;
krh@92	947	struct razor_package package, end;
krh@92	948	};
krh@92	949
krh@92	950	struct razor_package_iterator *
krh@92	951	razor_package_iterator_create(struct razor_set *set)
krh@3	952	{
krh@92	953	struct razor_package_iterator *pi;
krh@92	954
krh@92	955	pi = zalloc(sizeof *pi);
krh@92	956	pi->set = set;
krh@92	957	pi->package = set->packages.data;
krh@92	958	pi->end = set->packages.data + set->packages.size;
krh@92	959
krh@92	960	return pi;
krh@92	961	}
krh@92	962
krh@92	963	int
krh@92	964	razor_package_iterator_next(struct razor_package_iterator *pi,
krh@92	965	struct razor_package **package,
krh@92	966	const char name, const char version)
krh@92	967	{
krh@6	968	char *pool;
krh@3	969
krh@92	970	pool = pi->set->string_pool.data;
krh@92	971	*package = pi->package;
krh@92	972	*name = &pool[pi->package->name];
krh@92	973	*version = &pool[pi->package->version];
krh@92	974
krh@92	975	return pi->package++ < pi->end;
krh@92	976	}
krh@92	977
krh@92	978	void
krh@92	979	razor_package_iterator_destroy(struct razor_package_iterator *pi)
krh@92	980	{
krh@92	981	free(pi);
krh@3	982	}
krh@3	983
krh@16	984	struct razor_set *bsearch_set;
krh@16	985
krh@16	986	static int
krh@16	987	compare_package_name(const void key, const void data)
krh@16	988	{
krh@16	989	const struct razor_package *p = data;
krh@16	990	char *pool;
krh@16	991
krh@16	992	pool = bsearch_set->string_pool.data;
krh@16	993
krh@16	994	return strcmp(key, &pool[p->name]);
krh@16	995	}
krh@16	996
krh@10	997	struct razor_package *
krh@10	998	razor_set_get_package(struct razor_set set, const char package)
krh@10	999	{
krh@16	1000	bsearch_set = set;
krh@16	1001	return bsearch(package, set->packages.data,
krh@16	1002	set->packages.size / sizeof(struct razor_package),
krh@16	1003	sizeof(struct razor_package), compare_package_name);
krh@10	1004	}
krh@10	1005
krh@18	1006	static int
krh@18	1007	compare_property_name(const void key, const void data)
krh@18	1008	{
krh@18	1009	const struct razor_property *p = data;
krh@18	1010	char *pool;
krh@18	1011
krh@18	1012	pool = bsearch_set->string_pool.data;
krh@18	1013
krh@66	1014	return strcmp(key, &pool[p->name & RAZOR_ENTRY_MASK]);
krh@18	1015	}
krh@18	1016
krh@18	1017	struct razor_property *
krh@66	1018	razor_set_get_property(struct razor_set set, const char property)
krh@18	1019	{
krh@18	1020	struct razor_property p, start;
krh@18	1021
krh@18	1022	bsearch_set = set;
krh@66	1023	p = bsearch(property, set->properties.data,
krh@66	1024	set->properties.size / sizeof(struct razor_property),
krh@18	1025	sizeof(struct razor_property), compare_property_name);
krh@18	1026
krh@66	1027	start = set->properties.data;
krh@66	1028	while (p > start &&
krh@66	1029	((p - 1)->name & RAZOR_ENTRY_MASK) ==
krh@66	1030	(p->name & RAZOR_ENTRY_MASK))
krh@18	1031	p--;
krh@18	1032
krh@18	1033	return p;
krh@18	1034	}
krh@18	1035
krh@92	1036	struct razor_property_iterator {
krh@92	1037	struct razor_set *set;
krh@92	1038	struct razor_property property, end;
krh@92	1039	unsigned long *index;
krh@92	1040	int last;
krh@92	1041	};
krh@92	1042
krh@92	1043	struct razor_property_iterator *
krh@92	1044	razor_property_iterator_create(struct razor_set *set,
krh@92	1045	struct razor_package *package)
krh@92	1046	{
krh@92	1047	struct razor_property_iterator *pi;
krh@92	1048
krh@92	1049	pi = zalloc(sizeof *pi);
krh@92	1050	pi->set = set;
krh@92	1051	pi->property = set->properties.data;
krh@92	1052	pi->end = set->properties.data + set->properties.size;
krh@92	1053	if (package) {
krh@92	1054	pi->index = (unsigned long *)
krh@92	1055	set->property_pool.data + package->properties;
krh@92	1056	pi->last = 0;
krh@92	1057	} else {
krh@92	1058	pi->index = NULL;
krh@92	1059	pi->last = 0;
krh@92	1060	}
krh@92	1061
krh@92	1062	return pi;
krh@92	1063	}
krh@92	1064
krh@92	1065	int
krh@92	1066	razor_property_iterator_next(struct razor_property_iterator *pi,
krh@92	1067	struct razor_property **property,
krh@92	1068	const char name, const char version,
krh@92	1069	enum razor_property_type *type)
krh@92	1070	{
krh@92	1071	char *pool;
krh@92	1072	unsigned long flags, index;
krh@92	1073	int valid;
krh@92	1074	struct razor_property p, properties;
krh@92	1075
krh@92	1076	if (pi->index) {
krh@92	1077	properties = pi->set->properties.data;
krh@92	1078	p = &properties[*pi->index & RAZOR_ENTRY_MASK];
krh@92	1079	valid = !pi->last;
krh@92	1080	pi->last = (*pi->index++ & RAZOR_IMMEDIATE) != 0;
krh@92	1081	if (!valid)
krh@92	1082	return valid;
krh@92	1083	} else {
krh@92	1084	p = pi->property++;
krh@92	1085	valid = p < pi->end;
krh@92	1086	}
krh@92	1087
krh@92	1088	pool = pi->set->string_pool.data;
krh@92	1089	*property = p;
krh@92	1090	*name = &pool[p->name & RAZOR_ENTRY_MASK];
krh@92	1091	*version = &pool[p->version];
krh@92	1092	*type = p->name >> 30;
krh@92	1093
krh@92	1094	return valid;
krh@92	1095	}
krh@92	1096
krh@66	1097	void
krh@92	1098	razor_property_iterator_destroy(struct razor_property_iterator *pi)
krh@8	1099	{
krh@92	1100	free(pi);
krh@10	1101	}
krh@10	1102
krh@10	1103	void
krh@18	1104	razor_set_list_property_packages(struct razor_set *set,
krh@20	1105	const char *name,
krh@66	1106	const char *version,
krh@66	1107	enum razor_property_type type)
krh@18	1108	{
krh@18	1109	struct razor_property property, end;
krh@18	1110	struct razor_package p, packages;
krh@18	1111	unsigned long *r;
krh@18	1112	char *pool;
krh@18	1113
krh@18	1114	if (name == NULL)
krh@18	1115	return;
krh@18	1116
krh@66	1117	property = razor_set_get_property(set, name);
krh@18	1118	packages = set->packages.data;
krh@18	1119	pool = set->string_pool.data;
krh@66	1120	end = set->properties.data + set->properties.size;
krh@66	1121	while (property < end &&
krh@66	1122	strcmp(name, &pool[property->name & RAZOR_ENTRY_MASK]) == 0) {
krh@66	1123	if (version &&
krh@66	1124	versioncmp(version, &pool[property->version]) != 0)
krh@66	1125	goto next;
krh@66	1126	if (type != (property->name >> 30))
krh@20	1127	goto next;
krh@61	1128
krh@61	1129	if (property->packages & RAZOR_IMMEDIATE)
krh@61	1130	r = &property->packages;
krh@61	1131	else
krh@61	1132	r = (unsigned long *)
krh@61	1133	set->package_pool.data + property->packages;
krh@64	1134	while (1) {
krh@61	1135	p = &packages[*r & RAZOR_ENTRY_MASK];
krh@66	1136	printf("%s-%s\n",
krh@66	1137	&pool[p->name & RAZOR_ENTRY_MASK],
krh@66	1138	&pool[p->version]);
krh@61	1139	if (*r++ & RAZOR_IMMEDIATE)
krh@61	1140	break;
krh@18	1141	}
krh@20	1142	next:
krh@18	1143	property++;
krh@18	1144	}
krh@18	1145	}
krh@18	1146
krh@56	1147	static struct razor_entry *
krh@56	1148	find_entry(struct razor_set set, struct razor_entry dir, const char *pattern)
krh@56	1149	{
krh@56	1150	struct razor_entry *e;
krh@56	1151	const char n, pool = set->string_pool.data;
krh@56	1152	int len;
krh@56	1153
krh@56	1154	e = (struct razor_entry *) set->files.data + dir->start;
krh@56	1155	do {
krh@56	1156	n = pool + (e->name & RAZOR_ENTRY_MASK);
krh@56	1157	if (strcmp(pattern + 1, n) == 0)
krh@56	1158	return e;
krh@57	1159	len = strlen(n);
krh@56	1160	if (e->start != 0 && strncmp(pattern + 1, n, len) == 0 &&
krh@56	1161	pattern[len + 1] == '/') {
krh@56	1162	return find_entry(set, e, pattern + len + 1);
krh@56	1163	}
krh@56	1164	} while (((e++)->name & RAZOR_ENTRY_LAST) == 0);
krh@56	1165
krh@56	1166	return NULL;
krh@56	1167	}
krh@56	1168
krh@56	1169	static void
krh@56	1170	list_dir(struct razor_set set, struct razor_entry dir,
krh@56	1171	const char prefix, const char pattern)
krh@56	1172	{
krh@56	1173	struct razor_entry *e;
krh@56	1174	const char n, pool = set->string_pool.data;
krh@56	1175
krh@56	1176	e = (struct razor_entry *) set->files.data + dir->start;
krh@56	1177	do {
krh@56	1178	n = pool + (e->name & RAZOR_ENTRY_MASK);
krh@56	1179	if (pattern && pattern[0] && fnmatch(pattern, n, 0) != 0)
krh@56	1180	continue;
krh@56	1181	printf("%s/%s%s\n", prefix, n, e->start > 0 ? "/" : "");
krh@56	1182	} while (((e++)->name & RAZOR_ENTRY_LAST) == 0);
krh@56	1183	}
krh@56	1184
krh@56	1185	void
krh@56	1186	razor_set_list_files(struct razor_set set, const char pattern)
krh@56	1187	{
krh@56	1188	struct razor_entry *e;
krh@56	1189	char buffer[512], p, base;
krh@56	1190
krh@56	1191	if (pattern == NULL)
krh@56	1192	pattern = "/";
krh@56	1193
krh@56	1194	strcpy(buffer, pattern);
krh@56	1195	e = find_entry(set, set->files.data, buffer);
krh@56	1196	if (e && e->start > 0) {
krh@56	1197	base = NULL;
krh@56	1198	} else {
krh@56	1199	p = strrchr(buffer, '/');
krh@56	1200	if (p) {
krh@56	1201	*p = '\0';
krh@56	1202	base = p + 1;
krh@56	1203	} else {
krh@56	1204	base = NULL;
krh@56	1205	}
krh@56	1206	}
krh@56	1207	e = find_entry(set, set->files.data, buffer);
krh@56	1208	if (e->start != 0)
krh@56	1209	list_dir(set, e, buffer, base);
krh@56	1210	}
krh@56	1211
krh@56	1212	void
krh@56	1213	razor_set_list_file_packages(struct razor_set set, const char filename)
krh@56	1214	{
krh@56	1215	struct razor_entry *e;
krh@56	1216	struct razor_package packages, p;
krh@56	1217	const char *pool;
krh@56	1218	unsigned long *r;
krh@56	1219
krh@56	1220	e = find_entry(set, set->files.data, filename);
krh@56	1221	if (e == NULL)
krh@56	1222	return;
krh@56	1223
krh@60	1224	if (e->packages & RAZOR_IMMEDIATE)
krh@60	1225	r = &e->packages;
krh@60	1226	else
krh@60	1227	r = (unsigned long *) set->package_pool.data + e->packages;
krh@60	1228
krh@56	1229	packages = set->packages.data;
krh@56	1230	pool = set->string_pool.data;
krh@64	1231	while (1) {
krh@60	1232	p = &packages[*r & RAZOR_ENTRY_MASK];
krh@59	1233	printf("%s-%s\n", &pool[p->name], &pool[p->version]);
krh@60	1234	if (*r++ & RAZOR_IMMEDIATE)
krh@60	1235	break;
krh@56	1236	}
krh@56	1237	}
krh@56	1238
krh@56	1239	static unsigned long *
krh@56	1240	list_package_files(struct razor_set set, unsigned long r,
krh@56	1241	struct razor_entry *dir, unsigned long end,
krh@56	1242	char *prefix)
krh@56	1243	{
krh@56	1244	struct razor_entry e, f, *entries;
krh@83	1245	unsigned long next, file;
krh@56	1246	char *pool;
krh@56	1247	int len;
krh@56	1248
krh@56	1249	entries = (struct razor_entry *) set->files.data;
krh@56	1250	pool = set->string_pool.data;
krh@56	1251
krh@56	1252	e = entries + dir->start;
krh@56	1253	do {
krh@83	1254	if (entries + (*r & RAZOR_ENTRY_MASK) == e) {
krh@56	1255	printf("%s/%s\n", prefix,
krh@56	1256	pool + (e->name & RAZOR_ENTRY_MASK));
krh@83	1257	if (*r & RAZOR_ENTRY_LAST)
krh@83	1258	return NULL;
krh@56	1259	r++;
krh@83	1260	if ((*r & RAZOR_ENTRY_MASK) >= end)
krh@83	1261	return r;
krh@56	1262	}
krh@83	1263	} while (!((e++)->name & RAZOR_ENTRY_LAST));
krh@56	1264
krh@56	1265	e = entries + dir->start;
krh@56	1266	do {
krh@56	1267	if (e->start == 0)
krh@56	1268	continue;
krh@56	1269
krh@56	1270	if (e->name & RAZOR_ENTRY_LAST)
krh@56	1271	next = end;
krh@56	1272	else {
krh@56	1273	f = e + 1;
krh@56	1274	while (f->start == 0 && !(f->name & RAZOR_ENTRY_LAST))
krh@56	1275	f++;
krh@56	1276	if (f->start == 0)
krh@56	1277	next = end;
krh@56	1278	else
krh@56	1279	next = f->start;
krh@56	1280	}
krh@56	1281
krh@83	1282	file = *r & RAZOR_ENTRY_MASK;
krh@83	1283	if (e->start <= file && file < next) {
krh@56	1284	len = strlen(prefix);
krh@56	1285	prefix[len] = '/';
krh@56	1286	strcpy(prefix + len + 1,
krh@56	1287	pool + (e->name & RAZOR_ENTRY_MASK));
krh@56	1288	r = list_package_files(set, r, e, next, prefix);
krh@56	1289	prefix[len] = '\0';
krh@56	1290	}
krh@83	1291	} while (!((e++)->name & RAZOR_ENTRY_LAST) && r != NULL);
krh@56	1292
krh@56	1293	return r;
krh@56	1294	}
krh@56	1295
krh@56	1296	void
krh@56	1297	razor_set_list_package_files(struct razor_set set, const char name)
krh@56	1298	{
krh@56	1299	struct razor_package *package;
krh@56	1300	unsigned long *r, end;
krh@56	1301	char buffer[512];
krh@56	1302
krh@56	1303	package = razor_set_get_package(set, name);
krh@56	1304
krh@56	1305	r = (unsigned long *) set->file_pool.data + package->files;
krh@56	1306	end = set->files.size / sizeof (struct razor_entry);
krh@56	1307	buffer[0] = '\0';
krh@56	1308	list_package_files(set, r, set->files.data, end, buffer);
krh@56	1309	}
krh@56	1310
krh@43	1311	static void
krh@21	1312	razor_set_validate(struct razor_set set, struct array unsatisfied)
krh@21	1313	{
krh@66	1314	struct razor_property r, p, *end;
krh@21	1315	unsigned long *u;
krh@21	1316	char *pool;
krh@21	1317
krh@66	1318	end = set->properties.data + set->properties.size;
krh@21	1319	pool = set->string_pool.data;
krh@21	1320
krh@66	1321	for (r = set->properties.data, p = r; r < end; r++) {
krh@66	1322	if (r->name >> 30 != RAZOR_PROPERTY_REQUIRES)
krh@66	1323	continue;
krh@66	1324
krh@66	1325	if ((r->name & RAZOR_ENTRY_MASK) != (p->name & RAZOR_ENTRY_MASK)) {
krh@66	1326	p = r;
krh@66	1327	while (p < end && p->name == r->name)
krh@66	1328	p++;
krh@66	1329	}
krh@37	1330
krh@35	1331	/* If there is more than one version of a provides,
krh@35	1332	* seek to the end for the highest version. */
krh@66	1333	/* FIXME: This doesn't work if we have a series of
krh@66	1334	* requires a = 1, provides a = 1, requires a = 2,
krh@66	1335	* provides a = 2, as the kernel and kernel-devel
krh@66	1336	* does.*/
krh@66	1337	while (p + 1 < end && p->name == (p + 1)->name)
krh@35	1338	p++;
krh@37	1339
krh@37	1340	/* FIXME: We need to track property flags (<, <=, =
krh@37	1341	* etc) to properly determine if a requires is
krh@37	1342	* satisfied. The current code doesn't track that the
krh@37	1343	* requires a = 1 isn't satisfied by a = 2 provides. */
krh@37	1344
krh@66	1345	if (p == end \|\|
krh@66	1346	(p->name >> 30) != RAZOR_PROPERTY_PROVIDES \|\|
krh@66	1347	(r->name & RAZOR_ENTRY_MASK) != (p->name & RAZOR_ENTRY_MASK) \|\|
krh@35	1348	versioncmp(&pool[r->version], &pool[p->version]) > 0) {
krh@35	1349	/* FIXME: We ignore file requires for now. */
krh@66	1350	if (pool[r->name & RAZOR_ENTRY_MASK] == '/')
krh@35	1351	continue;
krh@21	1352	u = array_add(unsatisfied, sizeof *u);
krh@66	1353	u = r - (struct razor_property ) set->properties.data;
krh@21	1354	}
krh@21	1355	}
krh@21	1356	}
krh@21	1357
krh@21	1358	void
krh@21	1359	razor_set_list_unsatisfied(struct razor_set *set)
krh@21	1360	{
krh@21	1361	struct array unsatisfied;
krh@66	1362	struct razor_property properties, r;
krh@21	1363	unsigned long u, end;
krh@21	1364	char *pool;
krh@21	1365
krh@21	1366	array_init(&unsatisfied);
krh@21	1367	razor_set_validate(set, &unsatisfied);
krh@21	1368
krh@21	1369	end = unsatisfied.data + unsatisfied.size;
krh@66	1370	properties = set->properties.data;
krh@21	1371	pool = set->string_pool.data;
krh@21	1372
krh@21	1373	for (u = unsatisfied.data; u < end; u++) {
krh@66	1374	r = properties + *u;
krh@66	1375	if (pool[r->version] == '\0')
krh@66	1376	printf("%ss not satisfied\n",
krh@66	1377	&pool[r->name & RAZOR_ENTRY_MASK]);
krh@66	1378	else
krh@66	1379	printf("%s-%s not satisfied\n",
krh@66	1380	&pool[r->name & RAZOR_ENTRY_MASK],
krh@66	1381	&pool[r->version]);
krh@21	1382	}
krh@21	1383
krh@21	1384	array_release(&unsatisfied);
krh@21	1385	}
krh@21	1386
krh@41	1387	#define UPSTREAM_SOURCE 0x80000000ul
krh@41	1388	#define INDEX_MASK 0x00fffffful
krh@41	1389
krh@41	1390	struct source {
krh@41	1391	struct razor_set *set;
krh@66	1392	unsigned long *property_map;
krh@41	1393	};
krh@41	1394
krh@79	1395	struct razor_merger {
krh@79	1396	struct razor_set *set;
krh@79	1397	struct hashtable table;
krh@79	1398	struct source source1;
krh@79	1399	struct source source2;
krh@79	1400	};
krh@79	1401
krh@79	1402	static struct razor_merger *
krh@79	1403	razor_merger_create(struct razor_set set1, struct razor_set set2)
krh@41	1404	{
krh@79	1405	struct razor_merger *merger;
krh@41	1406	int count;
krh@41	1407	size_t size;
krh@41	1408
krh@79	1409	merger = zalloc(sizeof *merger);
krh@79	1410	merger->set = razor_set_create();
krh@79	1411	hashtable_init(&merger->table, &merger->set->string_pool);
krh@41	1412
krh@79	1413	count = set1->properties.size / sizeof (struct razor_property);
krh@79	1414	size = count * sizeof merger->source1.property_map[0];
krh@79	1415	merger->source1.property_map = zalloc(size);
krh@79	1416	merger->source1.set = set1;
krh@79	1417
krh@79	1418	count = set2->properties.size / sizeof (struct razor_property);
krh@79	1419	size = count * sizeof merger->source2.property_map[0];
krh@79	1420	merger->source2.property_map = zalloc(size);
krh@79	1421	merger->source2.set = set2;
krh@79	1422
krh@79	1423	return merger;
krh@41	1424	}
krh@41	1425
krh@33	1426	static void
krh@79	1427	add_package(struct razor_merger *merger,
krh@41	1428	struct razor_package package, struct source source,
krh@41	1429	unsigned long flags)
krh@33	1430	{
krh@33	1431	char *pool;
krh@33	1432	unsigned long *r;
krh@41	1433	struct razor_package *p;
krh@33	1434
krh@41	1435	pool = source->set->string_pool.data;
krh@79	1436	p = array_add(&merger->set->packages, sizeof *p);
krh@79	1437	p->name = hashtable_tokenize(&merger->table, &pool[package->name]);
krh@41	1438	p->name \|= flags;
krh@79	1439	p->version = hashtable_tokenize(&merger->table,
krh@79	1440	&pool[package->version]);
krh@66	1441	p->properties = package->properties;
krh@33	1442
krh@66	1443	if (package->properties & RAZOR_IMMEDIATE)
krh@66	1444	r = &package->properties;
krh@64	1445	else
krh@64	1446	r = (unsigned long *)
krh@66	1447	source->set->property_pool.data + package->properties;
krh@64	1448	while (1) {
krh@66	1449	source->property_map[*r & RAZOR_ENTRY_MASK] = 1;
krh@64	1450	if (*r++ & RAZOR_IMMEDIATE)
krh@64	1451	break;
krh@64	1452	}
krh@41	1453	}
krh@41	1454
krh@41	1455
krh@41	1456	/* Build the new package list sorted by merging the two package lists.
krh@79	1457	* Build new string pool as we go. */
krh@41	1458	static void
krh@79	1459	merge_packages(struct razor_merger merger, struct array packages)
krh@41	1460	{
krh@41	1461	struct razor_package upstream_packages, p, s, send;
krh@79	1462	struct source source1, source2;
krh@41	1463	char spool, upool;
krh@41	1464	unsigned long u, uend;
krh@41	1465	int cmp;
krh@41	1466
krh@79	1467	source1 = &merger->source1;
krh@79	1468	source2 = &merger->source2;
krh@41	1469	upstream_packages = source2->set->packages.data;
krh@41	1470
krh@41	1471	u = packages->data;
krh@41	1472	uend = packages->data + packages->size;
krh@41	1473	upool = source2->set->string_pool.data;
krh@41	1474
krh@41	1475	s = source1->set->packages.data;
krh@41	1476	send = source1->set->packages.data + source1->set->packages.size;
krh@41	1477	spool = source1->set->string_pool.data;
krh@41	1478
krh@41	1479	while (s < send) {
krh@41	1480	p = upstream_packages + *u;
krh@41	1481
krh@41	1482	if (u < uend)
krh@41	1483	cmp = strcmp(&spool[s->name], &upool[p->name]);
krh@41	1484	if (u >= uend \|\| cmp < 0) {
krh@79	1485	add_package(merger, s, source1, 0);
krh@41	1486	s++;
krh@41	1487	} else if (cmp == 0) {
krh@79	1488	add_package(merger, p, source2, UPSTREAM_SOURCE);
krh@41	1489	s++;
krh@41	1490	u++;
krh@41	1491	} else {
krh@79	1492	add_package(merger, p, source2, UPSTREAM_SOURCE);
krh@41	1493	u++;
krh@41	1494	}
krh@41	1495	}
krh@41	1496	}
krh@41	1497
krh@41	1498	static unsigned long
krh@79	1499	add_property(struct razor_merger *merger,
krh@69	1500	const char name, const char version, int type)
krh@41	1501	{
krh@41	1502	struct razor_property *p;
krh@41	1503
krh@79	1504	p = array_add(&merger->set->properties, sizeof *p);
krh@79	1505	p->name = hashtable_tokenize(&merger->table, name) \| (type << 30);
krh@79	1506	p->version = hashtable_tokenize(&merger->table, version);
krh@41	1507
krh@79	1508	return p - (struct razor_property *) merger->set->properties.data;
krh@41	1509	}
krh@41	1510
krh@41	1511	static void
krh@79	1512	merge_properties(struct razor_merger *merger)
krh@41	1513	{
krh@41	1514	struct razor_property p1, p2;
krh@79	1515	struct razor_set set1, set2;
krh@79	1516	unsigned long map1, map2;
krh@41	1517	int i, j, cmp, count1, count2;
krh@41	1518	char pool1, pool2;
krh@41	1519
krh@79	1520	set1 = merger->source1.set;
krh@79	1521	set2 = merger->source2.set;
krh@79	1522	map1 = merger->source1.property_map;
krh@79	1523	map2 = merger->source2.property_map;
krh@79	1524
krh@41	1525	i = 0;
krh@41	1526	j = 0;
krh@41	1527	pool1 = set1->string_pool.data;
krh@41	1528	pool2 = set2->string_pool.data;
krh@41	1529
krh@66	1530	count1 = set1->properties.size / sizeof *p1;
krh@66	1531	count2 = set2->properties.size / sizeof *p2;
krh@41	1532	while (i < count1 \|\| j < count2) {
krh@41	1533	if (i < count1 && map1[i] == 0) {
krh@41	1534	i++;
krh@41	1535	continue;
krh@41	1536	}
krh@41	1537	if (j < count2 && map2[j] == 0) {
krh@41	1538	j++;
krh@41	1539	continue;
krh@41	1540	}
krh@66	1541	p1 = (struct razor_property *) set1->properties.data + i;
krh@66	1542	p2 = (struct razor_property *) set2->properties.data + j;
krh@41	1543	if (i < count1 && j < count2)
krh@66	1544	cmp = strcmp(&pool1[p1->name & RAZOR_ENTRY_MASK],
krh@66	1545	&pool2[p2->name & RAZOR_ENTRY_MASK]);
krh@41	1546	else if (i < count1)
krh@41	1547	cmp = -1;
krh@41	1548	else
krh@41	1549	cmp = 1;
krh@41	1550	if (cmp == 0)
krh@41	1551	cmp = versioncmp(&pool1[p1->version],
krh@41	1552	&pool2[p2->version]);
krh@41	1553	if (cmp < 0) {
krh@79	1554	map1[i++] = add_property(merger,
krh@66	1555	&pool1[p1->name & RAZOR_ENTRY_MASK],
krh@69	1556	&pool1[p1->version],
krh@69	1557	(p1->name >> 30));
krh@41	1558	} else if (cmp > 0) {
krh@79	1559	map2[j++] = add_property(merger,
krh@66	1560	&pool2[p2->name & RAZOR_ENTRY_MASK],
krh@69	1561	&pool2[p2->version],
krh@69	1562	(p2->name >> 30));
krh@41	1563	} else {
krh@79	1564	map1[i++] = map2[j++] = add_property(merger,
krh@66	1565	&pool1[p1->name & RAZOR_ENTRY_MASK],
krh@69	1566	&pool1[p1->version],
krh@69	1567	(p1->name >> 30));
krh@41	1568	}
krh@41	1569	}
krh@41	1570	}
krh@41	1571
krh@41	1572	static unsigned long
krh@41	1573	emit_properties(struct array *source_pool, unsigned long index,
krh@41	1574	unsigned long map, struct array pool)
krh@41	1575	{
krh@41	1576	unsigned long r, p, q;
krh@41	1577
krh@41	1578	r = pool->size / sizeof *q;
krh@41	1579	p = (unsigned long *) source_pool->data + index;
krh@64	1580	while (1) {
krh@41	1581	q = array_add(pool, sizeof *q);
krh@64	1582	q = map[p & RAZOR_ENTRY_MASK] \| (*p & ~RAZOR_ENTRY_MASK);
krh@64	1583	if (*p++ & RAZOR_ENTRY_LAST)
krh@64	1584	break;
krh@33	1585	}
krh@33	1586
krh@41	1587	return r;
krh@41	1588	}
krh@41	1589
krh@41	1590	/* Rebuild property->packages maps. We can't just remap these, as a
krh@41	1591	* property may have lost or gained a number of packages. Allocate an
krh@41	1592	* array per property and loop through the packages and add them to
krh@41	1593	* the arrays for their properties. */
krh@41	1594	static void
krh@41	1595	rebuild_package_lists(struct razor_set *set)
krh@41	1596	{
krh@66	1597	struct array pkgs, a;
krh@41	1598	struct razor_package pkg, pkg_end;
krh@41	1599	struct razor_property prop, prop_end;
krh@66	1600	unsigned long r, q, *pool;
krh@66	1601	int count;
krh@41	1602
krh@66	1603	count = set->properties.size / sizeof (struct razor_property);
krh@66	1604	pkgs = zalloc(count * sizeof *pkgs);
krh@41	1605	pkg_end = set->packages.data + set->packages.size;
krh@66	1606	pool = set->property_pool.data;
krh@41	1607
krh@41	1608	for (pkg = set->packages.data; pkg < pkg_end; pkg++) {
krh@66	1609	for (r = &pool[pkg->properties]; ; r++) {
krh@66	1610	q = array_add(&pkgs[r & RAZOR_ENTRY_MASK], sizeof q);
krh@41	1611	q = pkg - (struct razor_package ) set->packages.data;
krh@64	1612	if (*r & RAZOR_IMMEDIATE)
krh@64	1613	break;
krh@41	1614	}
krh@33	1615	}
krh@33	1616
krh@66	1617	prop_end = set->properties.data + set->properties.size;
krh@66	1618	a = pkgs;
krh@66	1619	for (prop = set->properties.data; prop < prop_end; prop++, a++) {
krh@61	1620	if (a->size / sizeof *r == 1) {
krh@61	1621	r = a->data;
krh@61	1622	prop->packages = *r \| RAZOR_IMMEDIATE;
krh@61	1623	} else {
krh@61	1624	prop->packages =
krh@66	1625	add_to_property_pool(&set->property_pool, a);
krh@61	1626	}
krh@41	1627	array_release(a);
krh@41	1628	}
krh@66	1629	free(pkgs);
krh@33	1630	}
krh@33	1631
krh@79	1632	struct razor_set *
krh@79	1633	razor_merger_finish(struct razor_merger *merger)
krh@79	1634	{
krh@79	1635	struct razor_set *result;
krh@79	1636
krh@79	1637	result = merger->set;
krh@79	1638	hashtable_release(&merger->table);
krh@79	1639	free(merger);
krh@79	1640
krh@79	1641	return result;
krh@79	1642	}
krh@79	1643
krh@33	1644	/* Add packages from 'upstream' to 'set'. The packages to add are
krh@33	1645	* specified by the 'packages' array, which is a sorted list of
krh@33	1646	* package indexes. Returns a newly allocated package set. Does not
krh@41	1647	* enforce validity of the resulting package set.
krh@41	1648	*
krh@41	1649	* This looks more complicated than it is. An easy way to merge two
krh@41	1650	* package sets would be to just use a razor_importer, but that
krh@41	1651	* requires resorting, and is thus O(n log n). We can do this in a
krh@41	1652	* linear sweep, but it gets a little more complicated.
krh@41	1653	*/
krh@33	1654	struct razor_set *
krh@33	1655	razor_set_add(struct razor_set set, struct razor_set upstream,
krh@33	1656	struct array *packages)
krh@33	1657	{
krh@79	1658	struct razor_merger *merger;
krh@41	1659	struct razor_package p, pend;
krh@33	1660
krh@79	1661	merger = razor_merger_create(set, upstream);
krh@33	1662
krh@79	1663	merge_packages(merger, packages);
krh@41	1664
krh@41	1665	/* As we built the package list, we filled out a bitvector of
krh@41	1666	* the properties that are referenced by the packages in the
krh@41	1667	* new set. Now we do a parallel loop through the properties
krh@41	1668	* and emit those marked in the bit vector to the new set. In
krh@41	1669	* the process, we update the bit vector to actually map from
krh@41	1670	* indices in the old property list to indices in the new
krh@41	1671	* property list for both sets. */
krh@41	1672
krh@79	1673	merge_properties(merger);
krh@41	1674
krh@41	1675	/* Now we loop through the packages again and emit the
krh@41	1676	* property lists, remapped to point to the new properties. */
krh@41	1677
krh@79	1678	pend = merger->set->packages.data + merger->set->packages.size;
krh@79	1679	for (p = merger->set->packages.data; p < pend; p++) {
krh@41	1680	struct source *src;
krh@41	1681
krh@41	1682	if (p->name & UPSTREAM_SOURCE)
krh@79	1683	src = &merger->source2;
krh@41	1684	else
krh@79	1685	src = &merger->source1;
krh@41	1686
krh@66	1687	p->properties = emit_properties(&src->set->property_pool,
krh@66	1688	p->properties,
krh@66	1689	src->property_map,
krh@79	1690	&merger->set->property_pool);
krh@41	1691	p->name &= INDEX_MASK;
krh@33	1692	}
krh@33	1693
krh@79	1694	rebuild_package_lists(merger->set);
krh@41	1695
krh@79	1696	return razor_merger_finish(merger);
krh@33	1697	}
krh@33	1698
krh@37	1699	void
krh@37	1700	razor_set_satisfy(struct razor_set set, struct array unsatisfied,
krh@37	1701	struct razor_set upstream, struct array list)
krh@37	1702	{
krh@37	1703	struct razor_property requires, r;
krh@37	1704	struct razor_property p, pend;
krh@39	1705	unsigned long u, end, pkg, package_pool;
krh@37	1706	char pool, upool;
krh@37	1707
krh@37	1708	end = unsatisfied->data + unsatisfied->size;
krh@66	1709	requires = set->properties.data;
krh@37	1710	pool = set->string_pool.data;
krh@37	1711
krh@66	1712	p = upstream->properties.data;
krh@66	1713	pend = upstream->properties.data + upstream->properties.size;
krh@37	1714	upool = upstream->string_pool.data;
krh@39	1715	package_pool = upstream->package_pool.data;
krh@37	1716
krh@37	1717	for (u = unsatisfied->data; u < end; u++) {
krh@37	1718	r = requires + *u;
krh@37	1719
krh@66	1720	while (p < pend &&
krh@66	1721	strcmp(&pool[r->name & RAZOR_ENTRY_MASK],
krh@66	1722	&upool[p->name & RAZOR_ENTRY_MASK]) > 0 &&
krh@66	1723	(p->name >> 30) != RAZOR_PROPERTY_PROVIDES)
krh@37	1724	p++;
krh@37	1725	/* If there is more than one version of a provides,
krh@37	1726	* seek to the end for the highest version. */
krh@37	1727	while (p + 1 < pend && p->name == (p + 1)->name)
krh@37	1728	p++;
krh@37	1729
krh@37	1730	if (p == pend \|\|
krh@66	1731	strcmp(&pool[r->name & RAZOR_ENTRY_MASK],
krh@66	1732	&upool[p->name & RAZOR_ENTRY_MASK]) != 0 \|\|
krh@37	1733	versioncmp(&pool[r->version], &upool[p->version]) > 0) {
krh@37	1734	/* Do we need to track unsatisfiable requires
krh@37	1735	* as we go, or should we just do a
krh@37	1736	* razor_set_validate() at the end? */
krh@37	1737	} else {
krh@37	1738	pkg = array_add(list, sizeof *pkg);
krh@37	1739	/* We just pull in the first package that provides */
krh@61	1740	if (p->packages & RAZOR_IMMEDIATE)
krh@61	1741	*pkg = p->packages & RAZOR_ENTRY_MASK;
krh@61	1742	else
krh@61	1743	*pkg = package_pool[p->packages];
krh@37	1744	}
krh@37	1745	}
krh@37	1746	}
krh@37	1747
krh@38	1748	static void
krh@38	1749	find_packages(struct razor_set *set,
krh@38	1750	int count, const char *packages, struct array list)
krh@38	1751	{
krh@38	1752	struct razor_package *p;
krh@38	1753	unsigned long *r;
krh@38	1754	int i;
krh@38	1755
krh@38	1756	/* FIXME: Sort the packages. */
krh@38	1757	for (i = 0; i < count; i++) {
krh@38	1758	p = razor_set_get_package(set, packages[i]);
krh@38	1759	r = array_add(list, sizeof *r);
krh@38	1760	r = p - (struct razor_package ) set->packages.data;
krh@38	1761	}
krh@38	1762	}
krh@38	1763
krh@38	1764	static void
krh@38	1765	find_all_packages(struct razor_set *set,
krh@38	1766	struct razor_set upstream, struct array list)
krh@38	1767	{
krh@38	1768	struct razor_package p, u, pend, uend;
krh@38	1769	unsigned long *r;
krh@38	1770	char pool, upool;
krh@38	1771
krh@38	1772	pend = set->packages.data + set->packages.size;
krh@38	1773	pool = set->string_pool.data;
krh@38	1774	u = upstream->packages.data;
krh@38	1775	uend = upstream->packages.data + upstream->packages.size;
krh@38	1776	upool = upstream->string_pool.data;
krh@38	1777
krh@38	1778	for (p = set->packages.data; p < pend; p++) {
krh@38	1779	while (u < uend && strcmp(&pool[p->name], &upool[u->name]) > 0)
krh@38	1780	u++;
krh@38	1781	if (strcmp(&pool[p->name], &upool[u->name]) == 0) {
krh@38	1782	r = array_add(list, sizeof *r);
krh@38	1783	r = u - (struct razor_package ) upstream->packages.data;
krh@38	1784	}
krh@38	1785	}
krh@38	1786	}
krh@38	1787
krh@33	1788	struct razor_set *
krh@33	1789	razor_set_update(struct razor_set set, struct razor_set upstream,
krh@33	1790	int count, const char **packages)
krh@33	1791	{
krh@37	1792	struct razor_set *new;
krh@43	1793	struct razor_package *upackages;
krh@37	1794	struct array list, unsatisfied;
krh@37	1795	char *pool;
krh@38	1796	unsigned long u, end;
krh@38	1797	int total = 0;
krh@33	1798
krh@33	1799	array_init(&list);
krh@38	1800	if (count > 0)
krh@38	1801	find_packages(upstream, count, packages, &list);
krh@38	1802	else
krh@38	1803	find_all_packages(set, upstream, &list);
krh@33	1804
krh@37	1805	end = list.data + list.size;
krh@37	1806	upackages = upstream->packages.data;
krh@37	1807	pool = upstream->string_pool.data;
krh@38	1808	total += list.size / sizeof *u;
krh@37	1809
krh@37	1810	while (list.size > 0) {
krh@37	1811	new = razor_set_add(set, upstream, &list);
krh@37	1812	array_release(&list);
krh@37	1813	razor_set_destroy(set);
krh@37	1814	set = new;
krh@37	1815
krh@37	1816	array_init(&unsatisfied);
krh@37	1817	razor_set_validate(new, &unsatisfied);
krh@37	1818	array_init(&list);
krh@37	1819	razor_set_satisfy(new, &unsatisfied, upstream, &list);
krh@37	1820	array_release(&unsatisfied);
krh@37	1821
krh@37	1822	end = list.data + list.size;
krh@37	1823	upackages = upstream->packages.data;
krh@37	1824	pool = upstream->string_pool.data;
krh@38	1825	total += list.size / sizeof *u;
krh@37	1826	}
krh@37	1827
krh@37	1828	array_release(&list);
krh@37	1829
krh@37	1830	return set;
krh@33	1831	}
krh@33	1832
krh@44	1833	/* The diff order matters. We should sort the packages so that a
krh@44	1834	* REMOVE of a package comes before the INSTALL, and so that all
krh@44	1835	* requires for a package have been installed before the package.
krh@44	1836	**/
krh@44	1837
krh@44	1838	void
krh@44	1839	razor_set_diff(struct razor_set set, struct razor_set upstream,
krh@44	1840	razor_package_callback_t callback, void *data)
krh@44	1841	{
krh@44	1842	struct razor_package p, pend, u, uend;
krh@44	1843	char ppool, upool;
krh@44	1844	int res = 0;
krh@44	1845
krh@44	1846	p = set->packages.data;
krh@44	1847	pend = set->packages.data + set->packages.size;
krh@44	1848	ppool = set->string_pool.data;
krh@44	1849
krh@44	1850	u = upstream->packages.data;
krh@44	1851	uend = upstream->packages.data + upstream->packages.size;
krh@44	1852	upool = upstream->string_pool.data;
krh@44	1853
krh@44	1854	while (p < pend \|\| u < uend) {
krh@44	1855	if (p < pend && u < uend) {
krh@44	1856	res = strcmp(&ppool[p->name], &upool[u->name]);
krh@44	1857	if (res == 0)
krh@44	1858	res = versioncmp(&ppool[p->version],
krh@44	1859	&upool[u->version]);
krh@44	1860	}
krh@44	1861
krh@44	1862	if (u == uend \|\| res < 0) {
krh@44	1863	callback(&ppool[p->name], &ppool[p->version],
krh@44	1864	NULL, data);
krh@44	1865	p++;
krh@44	1866	continue;
krh@44	1867	} else if (p == pend \|\| res > 0) {
krh@44	1868	callback(&upool[u->name], NULL, &upool[u->version],
krh@44	1869	data);
krh@44	1870	u++;
krh@44	1871	continue;
krh@44	1872	} else {
krh@44	1873	p++;
krh@44	1874	u++;
krh@44	1875	}
krh@44	1876	}
krh@44	1877	}

author	Kristian H?gsberg <krh@redhat.com>
	Tue Jan 08 12:55:34 2008 -0500 (2008-01-08)
changeset 93	f173765f7623
parent 91	6884cefd1b8c
child 94	0aa93cfbcb3f
permissions	-rw-r--r--