razor: razor.c@27aada326858 (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@27	414	void
krh@30	415	razor_importer_begin_package(struct razor_importer *importer,
krh@30	416	const char name, const char version)
krh@13	417	{
krh@25	418	struct razor_package *p;
krh@13	419
krh@30	420	p = array_add(&importer->set->packages, sizeof *p);
krh@95	421	p->name = hashtable_tokenize(&importer->table, name);
krh@95	422	p->version = hashtable_tokenize(&importer->table, version);
krh@13	423
krh@30	424	importer->package = p;
krh@66	425	array_init(&importer->properties);
krh@13	426	}
krh@13	427
krh@13	428	void
krh@30	429	razor_importer_finish_package(struct razor_importer *importer)
krh@13	430	{
krh@25	431	struct razor_package *p;
krh@13	432
krh@30	433	p = importer->package;
krh@66	434	p->properties = add_to_property_pool(&importer->set->property_pool,
krh@66	435	&importer->properties);
krh@13	436
krh@66	437	array_release(&importer->properties);
krh@13	438	}
krh@13	439
krh@66	440	void
krh@30	441	razor_importer_add_property(struct razor_importer *importer,
krh@66	442	const char name, const char version,
krh@66	443	enum razor_property_type type)
krh@13	444	{
krh@25	445	struct razor_property *p;
krh@13	446	unsigned long *r;
krh@13	447
krh@66	448	p = array_add(&importer->set->properties, sizeof *p);
krh@95	449	p->name = hashtable_tokenize(&importer->table, name) \| (type << 30);
krh@95	450	p->version = hashtable_tokenize(&importer->table, version);
krh@30	451	p->packages = importer->package -
krh@30	452	(struct razor_package *) importer->set->packages.data;
krh@13	453
krh@66	454	r = array_add(&importer->properties, sizeof *r);
krh@66	455	r = p - (struct razor_property ) importer->set->properties.data;
krh@30	456	}
krh@30	457
krh@46	458	void
krh@46	459	razor_importer_add_file(struct razor_importer importer, const char name)
krh@46	460	{
krh@52	461	struct import_entry *e;
krh@48	462
krh@52	463	e = array_add(&importer->files, sizeof *e);
krh@52	464
krh@52	465	e->package = importer->package -
krh@52	466	(struct razor_package *) importer->set->packages.data;
krh@52	467	e->name = strdup(name);
krh@46	468	}
krh@46	469
krh@30	470	struct razor_importer *
krh@30	471	razor_importer_new(void)
krh@30	472	{
krh@30	473	struct razor_importer *importer;
krh@30	474
krh@30	475	importer = zalloc(sizeof *importer);
krh@30	476	importer->set = razor_set_create();
krh@78	477	hashtable_init(&importer->table, &importer->set->string_pool);
krh@30	478
krh@30	479	return importer;
krh@9	480	}
krh@9	481
krh@75	482	/* Destroy an importer without creating the set. */
krh@75	483	void
krh@75	484	razor_importer_destroy(struct razor_importer *importer)
krh@75	485	{
krh@75	486	/* FIXME: write this */
krh@75	487	}
krh@75	488
krh@75	489
krh@22	490	typedef int (compare_with_data_func_t)(const void p1,
krh@22	491	const void *p,
krh@22	492	void *data);
krh@22	493
krh@25	494	struct qsort_context {
krh@25	495	size_t size;
krh@25	496	compare_with_data_func_t compare;
krh@25	497	void *data;
krh@25	498	};
krh@25	499
krh@22	500	static void
krh@22	501	qsort_swap(void p1, void p2, size_t size)
krh@22	502	{
krh@22	503	char buffer[size];
krh@22	504
krh@22	505	memcpy(buffer, p1, size);
krh@22	506	memcpy(p1, p2, size);
krh@22	507	memcpy(p2, buffer, size);
krh@22	508	}
krh@22	509
krh@25	510	static void
krh@25	511	__qsort_with_data(void base, size_t nelem, unsigned long map,
krh@25	512	struct qsort_context *ctx)
krh@22	513	{
krh@22	514	void p, start, end, pivot;
krh@25	515	unsigned long mp, mstart, *mend, tmp;
krh@22	516	int left, right, result;
krh@25	517	size_t size = ctx->size;
krh@22	518
krh@22	519	p = base;
krh@22	520	start = base;
krh@22	521	end = base + nelem * size;
krh@25	522	mp = map;
krh@25	523	mstart = map;
krh@25	524	mend = map + nelem;
krh@22	525	pivot = base + (random() % nelem) * size;
krh@25	526
krh@22	527	while (p < end) {
krh@25	528	result = ctx->compare(p, pivot, ctx->data);
krh@22	529	if (result < 0) {
krh@22	530	qsort_swap(p, start, size);
krh@25	531	tmp = *mp;
krh@25	532	mp = mstart;
krh@25	533	*mstart = tmp;
krh@22	534	if (start == pivot)
krh@22	535	pivot = p;
krh@22	536	start += size;
krh@25	537	mstart++;
krh@22	538	p += size;
krh@29	539	mp++;
krh@22	540	} else if (result == 0) {
krh@22	541	p += size;
krh@25	542	mp++;
krh@22	543	} else {
krh@22	544	end -= size;
krh@25	545	mend--;
krh@22	546	qsort_swap(p, end, size);
krh@25	547	tmp = *mp;
krh@29	548	mp = mend;
krh@29	549	*mend = tmp;
krh@22	550	if (end == pivot)
krh@22	551	pivot = p;
krh@22	552	}
krh@22	553	}
krh@22	554
krh@22	555	left = (start - base) / size;
krh@22	556	right = (base + nelem * size - end) / size;
krh@22	557	if (left > 1)
krh@25	558	__qsort_with_data(base, left, map, ctx);
krh@22	559	if (right > 1)
krh@25	560	__qsort_with_data(end, right, mend, ctx);
krh@25	561	}
krh@25	562
krh@25	563	unsigned long *
krh@25	564	qsort_with_data(void *base, size_t nelem, size_t size,
krh@25	565	compare_with_data_func_t compare, void *data)
krh@25	566	{
krh@25	567	struct qsort_context ctx;
krh@25	568	unsigned long *map;
krh@25	569	int i;
krh@25	570
krh@75	571	if (nelem == 0)
krh@75	572	return NULL;
krh@75	573
krh@25	574	ctx.size = size;
krh@25	575	ctx.compare = compare;
krh@25	576	ctx.data = data;
krh@25	577
krh@25	578	map = malloc(nelem * sizeof (unsigned long));
krh@25	579	for (i = 0; i < nelem; i++)
krh@25	580	map[i] = i;
krh@25	581
krh@25	582	__qsort_with_data(base, nelem, map, &ctx);
krh@25	583
krh@25	584	return map;
krh@22	585	}
krh@9	586
krh@9	587	static int
krh@35	588	versioncmp(const char s1, const char s2)
krh@35	589	{
krh@35	590	const char p1, p2;
krh@35	591	long n1, n2;
krh@35	592	int res;
krh@35	593
krh@35	594	n1 = strtol(s1, (char **) &p1, 0);
krh@35	595	n2 = strtol(s2, (char **) &p2, 0);
krh@35	596
krh@35	597	/* Epoch; if one but not the other has an epoch set, default
krh@35	598	* the epoch-less version to 0. */
krh@35	599	res = (p1 == ':') - (p2 == ':');
krh@35	600	if (res < 0) {
krh@35	601	n1 = 0;
krh@35	602	p1 = s1;
krh@35	603	p2++;
krh@35	604	} else if (res > 0) {
krh@35	605	p1++;
krh@35	606	n2 = 0;
krh@35	607	p2 = s2;
krh@35	608	}
krh@35	609
krh@35	610	if (n1 != n2)
krh@35	611	return n1 - n2;
krh@35	612	while (p1 && p2) {
krh@35	613	if (p1 != p2)
krh@35	614	return p1 - p2;
krh@35	615	p1++;
krh@35	616	p2++;
krh@35	617	if (isdigit(p1) && isdigit(p2))
krh@35	618	return versioncmp(p1, p2);
krh@35	619	}
krh@35	620
krh@35	621	return p1 - p2;
krh@35	622	}
krh@35	623
krh@35	624	static int
krh@22	625	compare_packages(const void p1, const void p2, void *data)
krh@9	626	{
krh@25	627	const struct razor_package pkg1 = p1, pkg2 = p2;
krh@22	628	struct razor_set *set = data;
krh@22	629	char *pool = set->string_pool.data;
krh@9	630
krh@23	631	if (pkg1->name == pkg2->name)
krh@35	632	return versioncmp(&pool[pkg1->version], &pool[pkg2->version]);
krh@23	633	else
krh@23	634	return strcmp(&pool[pkg1->name], &pool[pkg2->name]);
krh@9	635	}
krh@9	636
krh@9	637	static int
krh@22	638	compare_properties(const void p1, const void p2, void *data)
krh@9	639	{
krh@25	640	const struct razor_property prop1 = p1, prop2 = p2;
krh@22	641	struct razor_set *set = data;
krh@22	642	char *pool = set->string_pool.data;
krh@9	643
krh@23	644	if (prop1->name == prop2->name)
krh@66	645	return versioncmp(&pool[prop1->version],
krh@66	646	&pool[prop2->version]);
krh@66	647	else if ((prop1->name & RAZOR_ENTRY_MASK) == (prop2->name & RAZOR_ENTRY_MASK))
krh@66	648	return (prop1->name >> 30) - (prop2->name >> 30);
krh@12	649	else
krh@66	650	return strcmp(&pool[prop1->name & RAZOR_ENTRY_MASK],
krh@66	651	&pool[prop2->name & RAZOR_ENTRY_MASK]);
krh@9	652	}
krh@9	653
krh@10	654	static unsigned long *
krh@66	655	uniqueify_properties(struct razor_set *set)
krh@9	656	{
krh@25	657	struct razor_property rp, up, *rp_end;
krh@18	658	struct array pkgs, p;
krh@25	659	unsigned long map, rmap, *r;
krh@18	660	int i, count, unique;
krh@9	661
krh@66	662	count = set->properties.size / sizeof(struct razor_property);
krh@66	663	map = qsort_with_data(set->properties.data,
krh@25	664	count,
krh@25	665	sizeof(struct razor_property),
krh@25	666	compare_properties,
krh@25	667	set);
krh@9	668
krh@66	669	rp_end = set->properties.data + set->properties.size;
krh@25	670	rmap = malloc(count * sizeof *map);
krh@25	671	pkgs = zalloc(count * sizeof *pkgs);
krh@66	672	for (rp = set->properties.data, up = rp, i = 0; rp < rp_end; rp++, i++) {
krh@25	673	if (rp->name != up->name \|\| rp->version != up->version) {
krh@25	674	up++;
krh@25	675	up->name = rp->name;
krh@25	676	up->version = rp->version;
krh@10	677	}
krh@25	678
krh@66	679	unique = up - (struct razor_property *) set->properties.data;
krh@25	680	rmap[map[i]] = unique;
krh@25	681	r = array_add(&pkgs[unique], sizeof *r);
krh@25	682	*r = rp->packages;
krh@10	683	}
krh@25	684	free(map);
krh@9	685
krh@25	686	up++;
krh@66	687	set->properties.size = (void *) up - set->properties.data;
krh@25	688	rp_end = up;
krh@66	689	for (rp = set->properties.data, p = pkgs; rp < rp_end; rp++, p++) {
krh@61	690	if (p->size / sizeof *r == 1) {
krh@61	691	r = p->data;
krh@61	692	rp->packages = *r \| RAZOR_IMMEDIATE;
krh@61	693	} else {
krh@61	694	rp->packages =
krh@61	695	add_to_property_pool(&set->package_pool, p);
krh@61	696	}
krh@25	697	array_release(p);
krh@18	698	}
krh@18	699
krh@18	700	free(pkgs);
krh@18	701
krh@25	702	return rmap;
krh@10	703	}
krh@10	704
krh@10	705	static void
krh@39	706	remap_links(struct array links, unsigned long map)
krh@10	707	{
krh@39	708	unsigned long p, end;
krh@10	709
krh@39	710	end = links->data + links->size;
krh@39	711	for (p = links->data; p < end; p++)
krh@64	712	p = map[p & RAZOR_ENTRY_MASK] \| (*p & ~RAZOR_ENTRY_MASK);
krh@9	713	}
krh@9	714
krh@48	715	static int
krh@48	716	compare_filenames(const void p1, const void p2, void *data)
krh@48	717	{
krh@52	718	const struct import_entry *e1 = p1;
krh@52	719	const struct import_entry *e2 = p2;
krh@48	720
krh@52	721	return strcmp(e1->name, e2->name);
krh@48	722	}
krh@48	723
krh@48	724	static void
krh@52	725	count_entries(struct import_directory *d)
krh@48	726	{
krh@52	727	struct import_directory p, end;
krh@48	728
krh@48	729	p = d->files.data;
krh@48	730	end = d->files.data + d->files.size;
krh@48	731	d->count = 0;
krh@48	732	while (p < end) {
krh@48	733	count_entries(p);
krh@48	734	d->count += p->count + 1;
krh@48	735	p++;
krh@48	736	}
krh@48	737	}
krh@48	738
krh@48	739	static void
krh@52	740	serialize_files(struct razor_set *set,
krh@52	741	struct import_directory d, struct array array)
krh@48	742	{
krh@52	743	struct import_directory p, end;
krh@56	744	struct razor_entry *e = NULL;
krh@60	745	unsigned long s, *r;
krh@48	746
krh@48	747	p = d->files.data;
krh@48	748	end = d->files.data + d->files.size;
krh@48	749	s = array->size / sizeof e + d->files.size / sizeof p;
krh@48	750	while (p < end) {
krh@48	751	e = array_add(array, sizeof *e);
krh@48	752	e->name = p->name;
krh@56	753	e->start = p->count > 0 ? s : 0;
krh@48	754	s += p->count;
krh@60	755
krh@64	756	if (p->packages.size == 0) {
krh@92	757	e->packages = ~0;
krh@64	758	} else if (p->packages.size / sizeof *r == 1) {
krh@60	759	r = p->packages.data;
krh@60	760	e->packages = *r \| RAZOR_IMMEDIATE;
krh@60	761	} else {
krh@60	762	e->packages = add_to_property_pool(&set->package_pool,
krh@60	763	&p->packages);
krh@60	764	}
krh@52	765	array_release(&p->packages);
krh@48	766	p++;
krh@48	767	}
krh@56	768	if (e != NULL)
krh@56	769	e->name \|= RAZOR_ENTRY_LAST;
krh@48	770
krh@48	771	p = d->files.data;
krh@48	772	end = d->files.data + d->files.size;
krh@48	773	while (p < end) {
krh@52	774	serialize_files(set, p, array);
krh@48	775	p++;
krh@48	776	}
krh@48	777	}
krh@48	778
krh@48	779	static void
krh@61	780	remap_property_package_links(struct array properties, unsigned long rmap)
krh@61	781	{
krh@61	782	struct razor_property p, end;
krh@61	783
krh@61	784	end = properties->data + properties->size;
krh@61	785	for (p = properties->data; p < end; p++)
krh@61	786	if (p->packages & RAZOR_IMMEDIATE)
krh@61	787	p->packages = rmap[p->packages & RAZOR_ENTRY_MASK] \|
krh@61	788	RAZOR_IMMEDIATE;
krh@61	789	}
krh@61	790
krh@61	791	static void
krh@48	792	build_file_tree(struct razor_importer *importer)
krh@48	793	{
krh@48	794	int count, i, length;
krh@52	795	struct import_entry *filenames;
krh@52	796	char f, end;
krh@52	797	unsigned long name, *r;
krh@48	798	char dirname[256];
krh@52	799	struct import_directory *d, root;
krh@48	800	struct razor_entry *e;
krh@48	801
krh@52	802	count = importer->files.size / sizeof (struct import_entry);
krh@48	803	qsort_with_data(importer->files.data,
krh@48	804	count,
krh@52	805	sizeof (struct import_entry),
krh@48	806	compare_filenames,
krh@48	807	NULL);
krh@48	808
krh@95	809	root.name = hashtable_tokenize(&importer->table, "");
krh@48	810	array_init(&root.files);
krh@52	811	array_init(&root.packages);
krh@48	812	root.last = NULL;
krh@48	813
krh@48	814	filenames = importer->files.data;
krh@48	815	for (i = 0; i < count; i++) {
krh@52	816	f = filenames[i].name;
krh@48	817	if (*f != '/')
krh@48	818	continue;
krh@57	819	f++;
krh@48	820
krh@48	821	d = &root;
krh@48	822	while (*f) {
krh@57	823	end = strchr(f, '/');
krh@48	824	if (end == NULL)
krh@48	825	end = f + strlen(f);
krh@57	826	length = end - f;
krh@57	827	memcpy(dirname, f, length);
krh@48	828	dirname[length] ='\0';
krh@95	829	name = hashtable_tokenize(&importer->table, dirname);
krh@48	830	if (d->last == NULL \|\| d->last->name != name) {
krh@48	831	d->last = array_add(&d->files, sizeof *d);
krh@48	832	d->last->name = name;
krh@48	833	d->last->last = NULL;
krh@48	834	array_init(&d->last->files);
krh@52	835	array_init(&d->last->packages);
krh@48	836	}
krh@48	837	d = d->last;
krh@57	838	f = end + 1;
krh@57	839	if (*end == '\0')
krh@57	840	break;
krh@48	841	}
krh@48	842
krh@52	843	r = array_add(&d->packages, sizeof *r);
krh@52	844	*r = filenames[i].package;
krh@52	845	free(filenames[i].name);
krh@48	846	}
krh@48	847
krh@48	848	count_entries(&root);
krh@56	849	array_init(&importer->set->files);
krh@48	850
krh@56	851	e = array_add(&importer->set->files, sizeof *e);
krh@56	852	e->name = root.name \| RAZOR_ENTRY_LAST;
krh@48	853	e->start = 1;
krh@92	854	e->packages = ~0;
krh@48	855
krh@56	856	serialize_files(importer->set, &root, &importer->set->files);
krh@48	857
krh@48	858	array_release(&importer->files);
krh@48	859	}
krh@48	860
krh@56	861	static void
krh@60	862	build_package_file_lists(struct razor_set set, unsigned long rmap)
krh@54	863	{
krh@56	864	struct razor_package p, packages;
krh@56	865	struct array *pkgs;
krh@54	866	struct razor_entry e, end;
krh@56	867	unsigned long r, q;
krh@56	868	int i, count;
krh@54	869
krh@56	870	count = set->packages.size / sizeof *p;
krh@56	871	pkgs = zalloc(count * sizeof *pkgs);
krh@54	872
krh@56	873	end = set->files.data + set->files.size;
krh@92	874	for (e = set->files.data; e < end; e++) {
krh@92	875	if (e->packages == ~0) {
krh@92	876	continue;
krh@92	877	} else if (e->packages & RAZOR_IMMEDIATE) {
krh@60	878	e->packages = rmap[e->packages & RAZOR_ENTRY_MASK] \|
krh@60	879	RAZOR_IMMEDIATE;
krh@60	880	r = &e->packages;
krh@60	881	} else {
krh@60	882	r = (unsigned long *) set->package_pool.data + e->packages;
krh@60	883	}
krh@60	884
krh@64	885	while (1) {
krh@60	886	q = array_add(&pkgs[r & RAZOR_ENTRY_MASK], sizeof q);
krh@56	887	q = e - (struct razor_entry ) set->files.data;
krh@60	888	if (*r++ & RAZOR_IMMEDIATE)
krh@60	889	break;
krh@54	890	}
krh@54	891	}
krh@54	892
krh@56	893	packages = set->packages.data;
krh@56	894	for (i = 0; i < count; i++) {
krh@56	895	packages[i].files =
krh@56	896	add_to_property_pool(&set->file_pool, &pkgs[i]);
krh@56	897	array_release(&pkgs[i]);
krh@48	898	}
krh@56	899	free(pkgs);
krh@52	900	}
krh@52	901
krh@27	902	struct razor_set *
krh@30	903	razor_importer_finish(struct razor_importer *importer)
krh@9	904	{
krh@30	905	struct razor_set *set;
krh@39	906	unsigned long map, rmap;
krh@39	907	int i, count;
krh@18	908
krh@66	909	map = uniqueify_properties(importer->set);
krh@66	910	remap_links(&importer->set->property_pool, map);
krh@39	911	free(map);
krh@25	912
krh@30	913	count = importer->set->packages.size / sizeof(struct razor_package);
krh@30	914	map = qsort_with_data(importer->set->packages.data,
krh@25	915	count,
krh@25	916	sizeof(struct razor_package),
krh@25	917	compare_packages,
krh@30	918	importer->set);
krh@39	919
krh@39	920	rmap = malloc(count * sizeof *rmap);
krh@39	921	for (i = 0; i < count; i++)
krh@39	922	rmap[map[i]] = i;
krh@25	923	free(map);
krh@13	924
krh@48	925	build_file_tree(importer);
krh@52	926	remap_links(&importer->set->package_pool, rmap);
krh@60	927	build_package_file_lists(importer->set, rmap);
krh@66	928	remap_property_package_links(&importer->set->properties, rmap);
krh@52	929	free(rmap);
krh@48	930
krh@30	931	set = importer->set;
krh@78	932	hashtable_release(&importer->table);
krh@30	933	free(importer);
krh@30	934
krh@30	935	return set;
krh@9	936	}
krh@9	937
krh@92	938	struct razor_package_iterator {
krh@92	939	struct razor_set *set;
krh@92	940	struct razor_package package, end;
krh@92	941	};
krh@92	942
krh@92	943	struct razor_package_iterator *
krh@92	944	razor_package_iterator_create(struct razor_set *set)
krh@3	945	{
krh@92	946	struct razor_package_iterator *pi;
krh@92	947
krh@92	948	pi = zalloc(sizeof *pi);
krh@92	949	pi->set = set;
krh@92	950	pi->package = set->packages.data;
krh@92	951	pi->end = set->packages.data + set->packages.size;
krh@92	952
krh@92	953	return pi;
krh@92	954	}
krh@92	955
krh@92	956	int
krh@92	957	razor_package_iterator_next(struct razor_package_iterator *pi,
krh@92	958	struct razor_package **package,
krh@92	959	const char name, const char version)
krh@92	960	{
krh@6	961	char *pool;
krh@3	962
krh@92	963	pool = pi->set->string_pool.data;
krh@92	964	*package = pi->package;
krh@92	965	*name = &pool[pi->package->name];
krh@92	966	*version = &pool[pi->package->version];
krh@92	967
krh@92	968	return pi->package++ < pi->end;
krh@92	969	}
krh@92	970
krh@92	971	void
krh@92	972	razor_package_iterator_destroy(struct razor_package_iterator *pi)
krh@92	973	{
krh@92	974	free(pi);
krh@3	975	}
krh@3	976
krh@10	977	struct razor_package *
krh@10	978	razor_set_get_package(struct razor_set set, const char package)
krh@10	979	{
krh@97	980	struct razor_package_iterator *pi;
krh@97	981	struct razor_package *p;
krh@97	982	const char name, version;
krh@97	983
krh@97	984	pi = razor_package_iterator_create(set);
krh@97	985	while (razor_package_iterator_next(pi, &p, &name, &version)) {
krh@97	986	if (strcmp(package, name) == 0)
krh@97	987	break;
krh@97	988	}
krh@97	989	razor_package_iterator_destroy(pi);
krh@97	990
krh@97	991	return p;
krh@10	992	}
krh@10	993
krh@92	994	struct razor_property_iterator {
krh@92	995	struct razor_set *set;
krh@92	996	struct razor_property property, end;
krh@92	997	unsigned long *index;
krh@92	998	int last;
krh@92	999	};
krh@92	1000
krh@92	1001	struct razor_property_iterator *
krh@92	1002	razor_property_iterator_create(struct razor_set *set,
krh@92	1003	struct razor_package *package)
krh@92	1004	{
krh@92	1005	struct razor_property_iterator *pi;
krh@92	1006
krh@92	1007	pi = zalloc(sizeof *pi);
krh@92	1008	pi->set = set;
krh@92	1009	pi->end = set->properties.data + set->properties.size;
krh@98	1010
krh@98	1011	if (package)
krh@92	1012	pi->index = (unsigned long *)
krh@92	1013	set->property_pool.data + package->properties;
krh@98	1014	else
krh@98	1015	pi->property = set->properties.data;
krh@92	1016
krh@92	1017	return pi;
krh@92	1018	}
krh@92	1019
krh@92	1020	int
krh@92	1021	razor_property_iterator_next(struct razor_property_iterator *pi,
krh@92	1022	struct razor_property **property,
krh@92	1023	const char name, const char version,
krh@92	1024	enum razor_property_type *type)
krh@92	1025	{
krh@92	1026	char *pool;
krh@92	1027	int valid;
krh@92	1028	struct razor_property p, properties;
krh@92	1029
krh@92	1030	if (pi->index) {
krh@92	1031	properties = pi->set->properties.data;
krh@92	1032	p = &properties[*pi->index & RAZOR_ENTRY_MASK];
krh@92	1033	valid = !pi->last;
krh@92	1034	pi->last = (*pi->index++ & RAZOR_IMMEDIATE) != 0;
krh@92	1035	} else {
krh@92	1036	p = pi->property++;
krh@92	1037	valid = p < pi->end;
krh@92	1038	}
krh@92	1039
krh@96	1040	if (valid) {
krh@96	1041	pool = pi->set->string_pool.data;
krh@96	1042	*property = p;
krh@96	1043	*name = &pool[p->name & RAZOR_ENTRY_MASK];
krh@96	1044	*version = &pool[p->version];
krh@96	1045	*type = p->name >> 30;
krh@96	1046	} else {
krh@96	1047	*property = NULL;
krh@96	1048	}
krh@92	1049
krh@92	1050	return valid;
krh@92	1051	}
krh@92	1052
krh@66	1053	void
krh@92	1054	razor_property_iterator_destroy(struct razor_property_iterator *pi)
krh@8	1055	{
krh@92	1056	free(pi);
krh@10	1057	}
krh@10	1058
krh@99	1059	void
krh@99	1060	razor_set_list_property_packages(struct razor_set *set,
krh@100	1061	struct razor_property *property)
krh@96	1062	{
krh@99	1063	struct razor_package p, packages;
krh@100	1064	const char *pool;
krh@99	1065	unsigned long *r;
krh@99	1066
krh@99	1067	packages = set->packages.data;
krh@99	1068	pool = set->string_pool.data;
krh@96	1069
krh@100	1070	if (property->packages & RAZOR_IMMEDIATE)
krh@100	1071	r = &property->packages;
krh@100	1072	else
krh@100	1073	r = (unsigned long *)
krh@100	1074	set->package_pool.data + property->packages;
krh@100	1075	while (1) {
krh@100	1076	p = &packages[*r & RAZOR_ENTRY_MASK];
krh@100	1077	printf("%s-%s\n",
krh@100	1078	&pool[p->name & RAZOR_ENTRY_MASK],
krh@100	1079	&pool[p->version]);
krh@100	1080	if (*r++ & RAZOR_IMMEDIATE)
krh@100	1081	break;
krh@18	1082	}
krh@18	1083	}
krh@18	1084
krh@56	1085	static struct razor_entry *
krh@56	1086	find_entry(struct razor_set set, struct razor_entry dir, const char *pattern)
krh@56	1087	{
krh@56	1088	struct razor_entry *e;
krh@56	1089	const char n, pool = set->string_pool.data;
krh@56	1090	int len;
krh@56	1091
krh@56	1092	e = (struct razor_entry *) set->files.data + dir->start;
krh@56	1093	do {
krh@56	1094	n = pool + (e->name & RAZOR_ENTRY_MASK);
krh@56	1095	if (strcmp(pattern + 1, n) == 0)
krh@56	1096	return e;
krh@57	1097	len = strlen(n);
krh@56	1098	if (e->start != 0 && strncmp(pattern + 1, n, len) == 0 &&
krh@56	1099	pattern[len + 1] == '/') {
krh@56	1100	return find_entry(set, e, pattern + len + 1);
krh@56	1101	}
krh@56	1102	} while (((e++)->name & RAZOR_ENTRY_LAST) == 0);
krh@56	1103
krh@56	1104	return NULL;
krh@56	1105	}
krh@56	1106
krh@56	1107	static void
krh@56	1108	list_dir(struct razor_set set, struct razor_entry dir,
krh@56	1109	const char prefix, const char pattern)
krh@56	1110	{
krh@56	1111	struct razor_entry *e;
krh@56	1112	const char n, pool = set->string_pool.data;
krh@56	1113
krh@56	1114	e = (struct razor_entry *) set->files.data + dir->start;
krh@56	1115	do {
krh@56	1116	n = pool + (e->name & RAZOR_ENTRY_MASK);
krh@56	1117	if (pattern && pattern[0] && fnmatch(pattern, n, 0) != 0)
krh@56	1118	continue;
krh@56	1119	printf("%s/%s%s\n", prefix, n, e->start > 0 ? "/" : "");
krh@56	1120	} while (((e++)->name & RAZOR_ENTRY_LAST) == 0);
krh@56	1121	}
krh@56	1122
krh@56	1123	void
krh@56	1124	razor_set_list_files(struct razor_set set, const char pattern)
krh@56	1125	{
krh@56	1126	struct razor_entry *e;
krh@56	1127	char buffer[512], p, base;
krh@56	1128
krh@56	1129	if (pattern == NULL)
krh@56	1130	pattern = "/";
krh@56	1131
krh@56	1132	strcpy(buffer, pattern);
krh@56	1133	e = find_entry(set, set->files.data, buffer);
krh@56	1134	if (e && e->start > 0) {
krh@56	1135	base = NULL;
krh@56	1136	} else {
krh@56	1137	p = strrchr(buffer, '/');
krh@56	1138	if (p) {
krh@56	1139	*p = '\0';
krh@56	1140	base = p + 1;
krh@56	1141	} else {
krh@56	1142	base = NULL;
krh@56	1143	}
krh@56	1144	}
krh@56	1145	e = find_entry(set, set->files.data, buffer);
krh@56	1146	if (e->start != 0)
krh@56	1147	list_dir(set, e, buffer, base);
krh@56	1148	}
krh@56	1149
krh@56	1150	void
krh@56	1151	razor_set_list_file_packages(struct razor_set set, const char filename)
krh@56	1152	{
krh@56	1153	struct razor_entry *e;
krh@56	1154	struct razor_package packages, p;
krh@56	1155	const char *pool;
krh@56	1156	unsigned long *r;
krh@56	1157
krh@56	1158	e = find_entry(set, set->files.data, filename);
krh@56	1159	if (e == NULL)
krh@56	1160	return;
krh@56	1161
krh@60	1162	if (e->packages & RAZOR_IMMEDIATE)
krh@60	1163	r = &e->packages;
krh@60	1164	else
krh@60	1165	r = (unsigned long *) set->package_pool.data + e->packages;
krh@60	1166
krh@56	1167	packages = set->packages.data;
krh@56	1168	pool = set->string_pool.data;
krh@64	1169	while (1) {
krh@60	1170	p = &packages[*r & RAZOR_ENTRY_MASK];
krh@59	1171	printf("%s-%s\n", &pool[p->name], &pool[p->version]);
krh@60	1172	if (*r++ & RAZOR_IMMEDIATE)
krh@60	1173	break;
krh@56	1174	}
krh@56	1175	}
krh@56	1176
krh@56	1177	static unsigned long *
krh@56	1178	list_package_files(struct razor_set set, unsigned long r,
krh@56	1179	struct razor_entry *dir, unsigned long end,
krh@56	1180	char *prefix)
krh@56	1181	{
krh@56	1182	struct razor_entry e, f, *entries;
krh@83	1183	unsigned long next, file;
krh@56	1184	char *pool;
krh@56	1185	int len;
krh@56	1186
krh@56	1187	entries = (struct razor_entry *) set->files.data;
krh@56	1188	pool = set->string_pool.data;
krh@56	1189
krh@56	1190	e = entries + dir->start;
krh@56	1191	do {
krh@83	1192	if (entries + (*r & RAZOR_ENTRY_MASK) == e) {
krh@56	1193	printf("%s/%s\n", prefix,
krh@56	1194	pool + (e->name & RAZOR_ENTRY_MASK));
krh@83	1195	if (*r & RAZOR_ENTRY_LAST)
krh@83	1196	return NULL;
krh@56	1197	r++;
krh@83	1198	if ((*r & RAZOR_ENTRY_MASK) >= end)
krh@83	1199	return r;
krh@56	1200	}
krh@83	1201	} while (!((e++)->name & RAZOR_ENTRY_LAST));
krh@56	1202
krh@56	1203	e = entries + dir->start;
krh@56	1204	do {
krh@56	1205	if (e->start == 0)
krh@56	1206	continue;
krh@56	1207
krh@56	1208	if (e->name & RAZOR_ENTRY_LAST)
krh@56	1209	next = end;
krh@56	1210	else {
krh@56	1211	f = e + 1;
krh@56	1212	while (f->start == 0 && !(f->name & RAZOR_ENTRY_LAST))
krh@56	1213	f++;
krh@56	1214	if (f->start == 0)
krh@56	1215	next = end;
krh@56	1216	else
krh@56	1217	next = f->start;
krh@56	1218	}
krh@56	1219
krh@83	1220	file = *r & RAZOR_ENTRY_MASK;
krh@83	1221	if (e->start <= file && file < next) {
krh@56	1222	len = strlen(prefix);
krh@56	1223	prefix[len] = '/';
krh@56	1224	strcpy(prefix + len + 1,
krh@56	1225	pool + (e->name & RAZOR_ENTRY_MASK));
krh@56	1226	r = list_package_files(set, r, e, next, prefix);
krh@56	1227	prefix[len] = '\0';
krh@56	1228	}
krh@83	1229	} while (!((e++)->name & RAZOR_ENTRY_LAST) && r != NULL);
krh@56	1230
krh@56	1231	return r;
krh@56	1232	}
krh@56	1233
krh@56	1234	void
krh@56	1235	razor_set_list_package_files(struct razor_set set, const char name)
krh@56	1236	{
krh@56	1237	struct razor_package *package;
krh@56	1238	unsigned long *r, end;
krh@56	1239	char buffer[512];
krh@56	1240
krh@56	1241	package = razor_set_get_package(set, name);
krh@56	1242
krh@56	1243	r = (unsigned long *) set->file_pool.data + package->files;
krh@56	1244	end = set->files.size / sizeof (struct razor_entry);
krh@56	1245	buffer[0] = '\0';
krh@56	1246	list_package_files(set, r, set->files.data, end, buffer);
krh@56	1247	}
krh@56	1248
krh@43	1249	static void
krh@21	1250	razor_set_validate(struct razor_set set, struct array unsatisfied)
krh@21	1251	{
krh@66	1252	struct razor_property r, p, *end;
krh@21	1253	unsigned long *u;
krh@21	1254	char *pool;
krh@21	1255
krh@66	1256	end = set->properties.data + set->properties.size;
krh@21	1257	pool = set->string_pool.data;
krh@21	1258
krh@66	1259	for (r = set->properties.data, p = r; r < end; r++) {
krh@66	1260	if (r->name >> 30 != RAZOR_PROPERTY_REQUIRES)
krh@66	1261	continue;
krh@66	1262
krh@66	1263	if ((r->name & RAZOR_ENTRY_MASK) != (p->name & RAZOR_ENTRY_MASK)) {
krh@66	1264	p = r;
krh@66	1265	while (p < end && p->name == r->name)
krh@66	1266	p++;
krh@66	1267	}
krh@37	1268
krh@35	1269	/* If there is more than one version of a provides,
krh@35	1270	* seek to the end for the highest version. */
krh@66	1271	/* FIXME: This doesn't work if we have a series of
krh@66	1272	* requires a = 1, provides a = 1, requires a = 2,
krh@66	1273	* provides a = 2, as the kernel and kernel-devel
krh@66	1274	* does.*/
krh@66	1275	while (p + 1 < end && p->name == (p + 1)->name)
krh@35	1276	p++;
krh@37	1277
krh@37	1278	/* FIXME: We need to track property flags (<, <=, =
krh@37	1279	* etc) to properly determine if a requires is
krh@37	1280	* satisfied. The current code doesn't track that the
krh@37	1281	* requires a = 1 isn't satisfied by a = 2 provides. */
krh@37	1282
krh@66	1283	if (p == end \|\|
krh@66	1284	(p->name >> 30) != RAZOR_PROPERTY_PROVIDES \|\|
krh@66	1285	(r->name & RAZOR_ENTRY_MASK) != (p->name & RAZOR_ENTRY_MASK) \|\|
krh@35	1286	versioncmp(&pool[r->version], &pool[p->version]) > 0) {
krh@35	1287	/* FIXME: We ignore file requires for now. */
krh@66	1288	if (pool[r->name & RAZOR_ENTRY_MASK] == '/')
krh@35	1289	continue;
krh@21	1290	u = array_add(unsatisfied, sizeof *u);
krh@66	1291	u = r - (struct razor_property ) set->properties.data;
krh@21	1292	}
krh@21	1293	}
krh@21	1294	}
krh@21	1295
krh@21	1296	void
krh@21	1297	razor_set_list_unsatisfied(struct razor_set *set)
krh@21	1298	{
krh@21	1299	struct array unsatisfied;
krh@66	1300	struct razor_property properties, r;
krh@21	1301	unsigned long u, end;
krh@21	1302	char *pool;
krh@21	1303
krh@21	1304	array_init(&unsatisfied);
krh@21	1305	razor_set_validate(set, &unsatisfied);
krh@21	1306
krh@21	1307	end = unsatisfied.data + unsatisfied.size;
krh@66	1308	properties = set->properties.data;
krh@21	1309	pool = set->string_pool.data;
krh@21	1310
krh@21	1311	for (u = unsatisfied.data; u < end; u++) {
krh@66	1312	r = properties + *u;
krh@66	1313	if (pool[r->version] == '\0')
krh@66	1314	printf("%ss not satisfied\n",
krh@66	1315	&pool[r->name & RAZOR_ENTRY_MASK]);
krh@66	1316	else
krh@66	1317	printf("%s-%s not satisfied\n",
krh@66	1318	&pool[r->name & RAZOR_ENTRY_MASK],
krh@66	1319	&pool[r->version]);
krh@21	1320	}
krh@21	1321
krh@21	1322	array_release(&unsatisfied);
krh@21	1323	}
krh@21	1324
krh@41	1325	#define UPSTREAM_SOURCE 0x80000000ul
krh@41	1326	#define INDEX_MASK 0x00fffffful
krh@41	1327
krh@41	1328	struct source {
krh@41	1329	struct razor_set *set;
krh@66	1330	unsigned long *property_map;
krh@41	1331	};
krh@41	1332
krh@79	1333	struct razor_merger {
krh@79	1334	struct razor_set *set;
krh@79	1335	struct hashtable table;
krh@79	1336	struct source source1;
krh@79	1337	struct source source2;
krh@79	1338	};
krh@79	1339
krh@79	1340	static struct razor_merger *
krh@79	1341	razor_merger_create(struct razor_set set1, struct razor_set set2)
krh@41	1342	{
krh@79	1343	struct razor_merger *merger;
krh@41	1344	int count;
krh@41	1345	size_t size;
krh@41	1346
krh@79	1347	merger = zalloc(sizeof *merger);
krh@79	1348	merger->set = razor_set_create();
krh@79	1349	hashtable_init(&merger->table, &merger->set->string_pool);
krh@41	1350
krh@79	1351	count = set1->properties.size / sizeof (struct razor_property);
krh@79	1352	size = count * sizeof merger->source1.property_map[0];
krh@79	1353	merger->source1.property_map = zalloc(size);
krh@79	1354	merger->source1.set = set1;
krh@79	1355
krh@79	1356	count = set2->properties.size / sizeof (struct razor_property);
krh@79	1357	size = count * sizeof merger->source2.property_map[0];
krh@79	1358	merger->source2.property_map = zalloc(size);
krh@79	1359	merger->source2.set = set2;
krh@79	1360
krh@79	1361	return merger;
krh@41	1362	}
krh@41	1363
krh@33	1364	static void
krh@79	1365	add_package(struct razor_merger *merger,
krh@41	1366	struct razor_package package, struct source source,
krh@41	1367	unsigned long flags)
krh@33	1368	{
krh@33	1369	char *pool;
krh@33	1370	unsigned long *r;
krh@41	1371	struct razor_package *p;
krh@33	1372
krh@41	1373	pool = source->set->string_pool.data;
krh@79	1374	p = array_add(&merger->set->packages, sizeof *p);
krh@79	1375	p->name = hashtable_tokenize(&merger->table, &pool[package->name]);
krh@41	1376	p->name \|= flags;
krh@79	1377	p->version = hashtable_tokenize(&merger->table,
krh@79	1378	&pool[package->version]);
krh@66	1379	p->properties = package->properties;
krh@33	1380
krh@66	1381	if (package->properties & RAZOR_IMMEDIATE)
krh@66	1382	r = &package->properties;
krh@64	1383	else
krh@64	1384	r = (unsigned long *)
krh@66	1385	source->set->property_pool.data + package->properties;
krh@64	1386	while (1) {
krh@66	1387	source->property_map[*r & RAZOR_ENTRY_MASK] = 1;
krh@64	1388	if (*r++ & RAZOR_IMMEDIATE)
krh@64	1389	break;
krh@64	1390	}
krh@41	1391	}
krh@41	1392
krh@41	1393
krh@41	1394	/* Build the new package list sorted by merging the two package lists.
krh@79	1395	* Build new string pool as we go. */
krh@41	1396	static void
krh@79	1397	merge_packages(struct razor_merger merger, struct array packages)
krh@41	1398	{
krh@41	1399	struct razor_package upstream_packages, p, s, send;
krh@79	1400	struct source source1, source2;
krh@41	1401	char spool, upool;
krh@41	1402	unsigned long u, uend;
krh@41	1403	int cmp;
krh@41	1404
krh@79	1405	source1 = &merger->source1;
krh@79	1406	source2 = &merger->source2;
krh@41	1407	upstream_packages = source2->set->packages.data;
krh@41	1408
krh@41	1409	u = packages->data;
krh@41	1410	uend = packages->data + packages->size;
krh@41	1411	upool = source2->set->string_pool.data;
krh@41	1412
krh@41	1413	s = source1->set->packages.data;
krh@41	1414	send = source1->set->packages.data + source1->set->packages.size;
krh@41	1415	spool = source1->set->string_pool.data;
krh@41	1416
krh@41	1417	while (s < send) {
krh@41	1418	p = upstream_packages + *u;
krh@41	1419
krh@41	1420	if (u < uend)
krh@41	1421	cmp = strcmp(&spool[s->name], &upool[p->name]);
krh@41	1422	if (u >= uend \|\| cmp < 0) {
krh@79	1423	add_package(merger, s, source1, 0);
krh@41	1424	s++;
krh@41	1425	} else if (cmp == 0) {
krh@79	1426	add_package(merger, p, source2, UPSTREAM_SOURCE);
krh@41	1427	s++;
krh@41	1428	u++;
krh@41	1429	} else {
krh@79	1430	add_package(merger, p, source2, UPSTREAM_SOURCE);
krh@41	1431	u++;
krh@41	1432	}
krh@41	1433	}
krh@41	1434	}
krh@41	1435
krh@41	1436	static unsigned long
krh@79	1437	add_property(struct razor_merger *merger,
krh@69	1438	const char name, const char version, int type)
krh@41	1439	{
krh@41	1440	struct razor_property *p;
krh@41	1441
krh@79	1442	p = array_add(&merger->set->properties, sizeof *p);
krh@79	1443	p->name = hashtable_tokenize(&merger->table, name) \| (type << 30);
krh@79	1444	p->version = hashtable_tokenize(&merger->table, version);
krh@41	1445
krh@79	1446	return p - (struct razor_property *) merger->set->properties.data;
krh@41	1447	}
krh@41	1448
krh@41	1449	static void
krh@79	1450	merge_properties(struct razor_merger *merger)
krh@41	1451	{
krh@41	1452	struct razor_property p1, p2;
krh@79	1453	struct razor_set set1, set2;
krh@79	1454	unsigned long map1, map2;
krh@41	1455	int i, j, cmp, count1, count2;
krh@41	1456	char pool1, pool2;
krh@41	1457
krh@79	1458	set1 = merger->source1.set;
krh@79	1459	set2 = merger->source2.set;
krh@79	1460	map1 = merger->source1.property_map;
krh@79	1461	map2 = merger->source2.property_map;
krh@79	1462
krh@41	1463	i = 0;
krh@41	1464	j = 0;
krh@41	1465	pool1 = set1->string_pool.data;
krh@41	1466	pool2 = set2->string_pool.data;
krh@41	1467
krh@66	1468	count1 = set1->properties.size / sizeof *p1;
krh@66	1469	count2 = set2->properties.size / sizeof *p2;
krh@41	1470	while (i < count1 \|\| j < count2) {
krh@41	1471	if (i < count1 && map1[i] == 0) {
krh@41	1472	i++;
krh@41	1473	continue;
krh@41	1474	}
krh@41	1475	if (j < count2 && map2[j] == 0) {
krh@41	1476	j++;
krh@41	1477	continue;
krh@41	1478	}
krh@66	1479	p1 = (struct razor_property *) set1->properties.data + i;
krh@66	1480	p2 = (struct razor_property *) set2->properties.data + j;
krh@41	1481	if (i < count1 && j < count2)
krh@66	1482	cmp = strcmp(&pool1[p1->name & RAZOR_ENTRY_MASK],
krh@66	1483	&pool2[p2->name & RAZOR_ENTRY_MASK]);
krh@41	1484	else if (i < count1)
krh@41	1485	cmp = -1;
krh@41	1486	else
krh@41	1487	cmp = 1;
krh@41	1488	if (cmp == 0)
krh@41	1489	cmp = versioncmp(&pool1[p1->version],
krh@41	1490	&pool2[p2->version]);
krh@41	1491	if (cmp < 0) {
krh@79	1492	map1[i++] = add_property(merger,
krh@66	1493	&pool1[p1->name & RAZOR_ENTRY_MASK],
krh@69	1494	&pool1[p1->version],
krh@69	1495	(p1->name >> 30));
krh@41	1496	} else if (cmp > 0) {
krh@79	1497	map2[j++] = add_property(merger,
krh@66	1498	&pool2[p2->name & RAZOR_ENTRY_MASK],
krh@69	1499	&pool2[p2->version],
krh@69	1500	(p2->name >> 30));
krh@41	1501	} else {
krh@79	1502	map1[i++] = map2[j++] = add_property(merger,
krh@66	1503	&pool1[p1->name & RAZOR_ENTRY_MASK],
krh@69	1504	&pool1[p1->version],
krh@69	1505	(p1->name >> 30));
krh@41	1506	}
krh@41	1507	}
krh@41	1508	}
krh@41	1509
krh@41	1510	static unsigned long
krh@41	1511	emit_properties(struct array *source_pool, unsigned long index,
krh@41	1512	unsigned long map, struct array pool)
krh@41	1513	{
krh@41	1514	unsigned long r, p, q;
krh@41	1515
krh@41	1516	r = pool->size / sizeof *q;
krh@41	1517	p = (unsigned long *) source_pool->data + index;
krh@64	1518	while (1) {
krh@41	1519	q = array_add(pool, sizeof *q);
krh@64	1520	q = map[p & RAZOR_ENTRY_MASK] \| (*p & ~RAZOR_ENTRY_MASK);
krh@64	1521	if (*p++ & RAZOR_ENTRY_LAST)
krh@64	1522	break;
krh@33	1523	}
krh@33	1524
krh@41	1525	return r;
krh@41	1526	}
krh@41	1527
krh@41	1528	/* Rebuild property->packages maps. We can't just remap these, as a
krh@41	1529	* property may have lost or gained a number of packages. Allocate an
krh@41	1530	* array per property and loop through the packages and add them to
krh@41	1531	* the arrays for their properties. */
krh@41	1532	static void
krh@41	1533	rebuild_package_lists(struct razor_set *set)
krh@41	1534	{
krh@66	1535	struct array pkgs, a;
krh@41	1536	struct razor_package pkg, pkg_end;
krh@41	1537	struct razor_property prop, prop_end;
krh@66	1538	unsigned long r, q, *pool;
krh@66	1539	int count;
krh@41	1540
krh@66	1541	count = set->properties.size / sizeof (struct razor_property);
krh@66	1542	pkgs = zalloc(count * sizeof *pkgs);
krh@41	1543	pkg_end = set->packages.data + set->packages.size;
krh@66	1544	pool = set->property_pool.data;
krh@41	1545
krh@41	1546	for (pkg = set->packages.data; pkg < pkg_end; pkg++) {
krh@66	1547	for (r = &pool[pkg->properties]; ; r++) {
krh@66	1548	q = array_add(&pkgs[r & RAZOR_ENTRY_MASK], sizeof q);
krh@41	1549	q = pkg - (struct razor_package ) set->packages.data;
krh@64	1550	if (*r & RAZOR_IMMEDIATE)
krh@64	1551	break;
krh@41	1552	}
krh@33	1553	}
krh@33	1554
krh@66	1555	prop_end = set->properties.data + set->properties.size;
krh@66	1556	a = pkgs;
krh@66	1557	for (prop = set->properties.data; prop < prop_end; prop++, a++) {
krh@61	1558	if (a->size / sizeof *r == 1) {
krh@61	1559	r = a->data;
krh@61	1560	prop->packages = *r \| RAZOR_IMMEDIATE;
krh@61	1561	} else {
krh@61	1562	prop->packages =
krh@66	1563	add_to_property_pool(&set->property_pool, a);
krh@61	1564	}
krh@41	1565	array_release(a);
krh@41	1566	}
krh@66	1567	free(pkgs);
krh@33	1568	}
krh@33	1569
krh@79	1570	struct razor_set *
krh@79	1571	razor_merger_finish(struct razor_merger *merger)
krh@79	1572	{
krh@79	1573	struct razor_set *result;
krh@79	1574
krh@79	1575	result = merger->set;
krh@79	1576	hashtable_release(&merger->table);
krh@79	1577	free(merger);
krh@79	1578
krh@79	1579	return result;
krh@79	1580	}
krh@79	1581
krh@33	1582	/* Add packages from 'upstream' to 'set'. The packages to add are
krh@33	1583	* specified by the 'packages' array, which is a sorted list of
krh@33	1584	* package indexes. Returns a newly allocated package set. Does not
krh@41	1585	* enforce validity of the resulting package set.
krh@41	1586	*
krh@41	1587	* This looks more complicated than it is. An easy way to merge two
krh@41	1588	* package sets would be to just use a razor_importer, but that
krh@41	1589	* requires resorting, and is thus O(n log n). We can do this in a
krh@41	1590	* linear sweep, but it gets a little more complicated.
krh@41	1591	*/
krh@33	1592	struct razor_set *
krh@33	1593	razor_set_add(struct razor_set set, struct razor_set upstream,
krh@33	1594	struct array *packages)
krh@33	1595	{
krh@79	1596	struct razor_merger *merger;
krh@41	1597	struct razor_package p, pend;
krh@33	1598
krh@79	1599	merger = razor_merger_create(set, upstream);
krh@33	1600
krh@79	1601	merge_packages(merger, packages);
krh@41	1602
krh@41	1603	/* As we built the package list, we filled out a bitvector of
krh@41	1604	* the properties that are referenced by the packages in the
krh@41	1605	* new set. Now we do a parallel loop through the properties
krh@41	1606	* and emit those marked in the bit vector to the new set. In
krh@41	1607	* the process, we update the bit vector to actually map from
krh@41	1608	* indices in the old property list to indices in the new
krh@41	1609	* property list for both sets. */
krh@41	1610
krh@79	1611	merge_properties(merger);
krh@41	1612
krh@41	1613	/* Now we loop through the packages again and emit the
krh@41	1614	* property lists, remapped to point to the new properties. */
krh@41	1615
krh@79	1616	pend = merger->set->packages.data + merger->set->packages.size;
krh@79	1617	for (p = merger->set->packages.data; p < pend; p++) {
krh@41	1618	struct source *src;
krh@41	1619
krh@41	1620	if (p->name & UPSTREAM_SOURCE)
krh@79	1621	src = &merger->source2;
krh@41	1622	else
krh@79	1623	src = &merger->source1;
krh@41	1624
krh@66	1625	p->properties = emit_properties(&src->set->property_pool,
krh@66	1626	p->properties,
krh@66	1627	src->property_map,
krh@79	1628	&merger->set->property_pool);
krh@41	1629	p->name &= INDEX_MASK;
krh@33	1630	}
krh@33	1631
krh@79	1632	rebuild_package_lists(merger->set);
krh@41	1633
krh@79	1634	return razor_merger_finish(merger);
krh@33	1635	}
krh@33	1636
krh@37	1637	void
krh@37	1638	razor_set_satisfy(struct razor_set set, struct array unsatisfied,
krh@37	1639	struct razor_set upstream, struct array list)
krh@37	1640	{
krh@37	1641	struct razor_property requires, r;
krh@37	1642	struct razor_property p, pend;
krh@39	1643	unsigned long u, end, pkg, package_pool;
krh@37	1644	char pool, upool;
krh@37	1645
krh@37	1646	end = unsatisfied->data + unsatisfied->size;
krh@66	1647	requires = set->properties.data;
krh@37	1648	pool = set->string_pool.data;
krh@37	1649
krh@66	1650	p = upstream->properties.data;
krh@66	1651	pend = upstream->properties.data + upstream->properties.size;
krh@37	1652	upool = upstream->string_pool.data;
krh@39	1653	package_pool = upstream->package_pool.data;
krh@37	1654
krh@37	1655	for (u = unsatisfied->data; u < end; u++) {
krh@37	1656	r = requires + *u;
krh@37	1657
krh@66	1658	while (p < pend &&
krh@66	1659	strcmp(&pool[r->name & RAZOR_ENTRY_MASK],
krh@66	1660	&upool[p->name & RAZOR_ENTRY_MASK]) > 0 &&
krh@66	1661	(p->name >> 30) != RAZOR_PROPERTY_PROVIDES)
krh@37	1662	p++;
krh@37	1663	/* If there is more than one version of a provides,
krh@37	1664	* seek to the end for the highest version. */
krh@37	1665	while (p + 1 < pend && p->name == (p + 1)->name)
krh@37	1666	p++;
krh@37	1667
krh@37	1668	if (p == pend \|\|
krh@66	1669	strcmp(&pool[r->name & RAZOR_ENTRY_MASK],
krh@66	1670	&upool[p->name & RAZOR_ENTRY_MASK]) != 0 \|\|
krh@37	1671	versioncmp(&pool[r->version], &upool[p->version]) > 0) {
krh@37	1672	/* Do we need to track unsatisfiable requires
krh@37	1673	* as we go, or should we just do a
krh@37	1674	* razor_set_validate() at the end? */
krh@37	1675	} else {
krh@37	1676	pkg = array_add(list, sizeof *pkg);
krh@37	1677	/* We just pull in the first package that provides */
krh@61	1678	if (p->packages & RAZOR_IMMEDIATE)
krh@61	1679	*pkg = p->packages & RAZOR_ENTRY_MASK;
krh@61	1680	else
krh@61	1681	*pkg = package_pool[p->packages];
krh@37	1682	}
krh@37	1683	}
krh@37	1684	}
krh@37	1685
krh@38	1686	static void
krh@38	1687	find_packages(struct razor_set *set,
krh@38	1688	int count, const char *packages, struct array list)
krh@38	1689	{
krh@38	1690	struct razor_package *p;
krh@38	1691	unsigned long *r;
krh@38	1692	int i;
krh@38	1693
krh@38	1694	/* FIXME: Sort the packages. */
krh@38	1695	for (i = 0; i < count; i++) {
krh@38	1696	p = razor_set_get_package(set, packages[i]);
krh@38	1697	r = array_add(list, sizeof *r);
krh@38	1698	r = p - (struct razor_package ) set->packages.data;
krh@38	1699	}
krh@38	1700	}
krh@38	1701
krh@38	1702	static void
krh@38	1703	find_all_packages(struct razor_set *set,
krh@38	1704	struct razor_set upstream, struct array list)
krh@38	1705	{
krh@38	1706	struct razor_package p, u, pend, uend;
krh@38	1707	unsigned long *r;
krh@38	1708	char pool, upool;
krh@38	1709
krh@38	1710	pend = set->packages.data + set->packages.size;
krh@38	1711	pool = set->string_pool.data;
krh@38	1712	u = upstream->packages.data;
krh@38	1713	uend = upstream->packages.data + upstream->packages.size;
krh@38	1714	upool = upstream->string_pool.data;
krh@38	1715
krh@38	1716	for (p = set->packages.data; p < pend; p++) {
krh@38	1717	while (u < uend && strcmp(&pool[p->name], &upool[u->name]) > 0)
krh@38	1718	u++;
krh@38	1719	if (strcmp(&pool[p->name], &upool[u->name]) == 0) {
krh@38	1720	r = array_add(list, sizeof *r);
krh@38	1721	r = u - (struct razor_package ) upstream->packages.data;
krh@38	1722	}
krh@38	1723	}
krh@38	1724	}
krh@38	1725
krh@33	1726	struct razor_set *
krh@33	1727	razor_set_update(struct razor_set set, struct razor_set upstream,
krh@33	1728	int count, const char **packages)
krh@33	1729	{
krh@37	1730	struct razor_set *new;
krh@43	1731	struct razor_package *upackages;
krh@37	1732	struct array list, unsatisfied;
krh@37	1733	char *pool;
krh@38	1734	unsigned long u, end;
krh@38	1735	int total = 0;
krh@33	1736
krh@33	1737	array_init(&list);
krh@38	1738	if (count > 0)
krh@38	1739	find_packages(upstream, count, packages, &list);
krh@38	1740	else
krh@38	1741	find_all_packages(set, upstream, &list);
krh@33	1742
krh@37	1743	end = list.data + list.size;
krh@37	1744	upackages = upstream->packages.data;
krh@37	1745	pool = upstream->string_pool.data;
krh@38	1746	total += list.size / sizeof *u;
krh@37	1747
krh@37	1748	while (list.size > 0) {
krh@37	1749	new = razor_set_add(set, upstream, &list);
krh@37	1750	array_release(&list);
krh@37	1751	razor_set_destroy(set);
krh@37	1752	set = new;
krh@37	1753
krh@37	1754	array_init(&unsatisfied);
krh@37	1755	razor_set_validate(new, &unsatisfied);
krh@37	1756	array_init(&list);
krh@37	1757	razor_set_satisfy(new, &unsatisfied, upstream, &list);
krh@37	1758	array_release(&unsatisfied);
krh@37	1759
krh@37	1760	end = list.data + list.size;
krh@37	1761	upackages = upstream->packages.data;
krh@37	1762	pool = upstream->string_pool.data;
krh@38	1763	total += list.size / sizeof *u;
krh@37	1764	}
krh@37	1765
krh@37	1766	array_release(&list);
krh@37	1767
krh@37	1768	return set;
krh@33	1769	}
krh@33	1770
krh@44	1771	/* The diff order matters. We should sort the packages so that a
krh@44	1772	* REMOVE of a package comes before the INSTALL, and so that all
krh@44	1773	* requires for a package have been installed before the package.
krh@44	1774	**/
krh@44	1775
krh@44	1776	void
krh@44	1777	razor_set_diff(struct razor_set set, struct razor_set upstream,
krh@44	1778	razor_package_callback_t callback, void *data)
krh@44	1779	{
krh@44	1780	struct razor_package p, pend, u, uend;
krh@44	1781	char ppool, upool;
krh@44	1782	int res = 0;
krh@44	1783
krh@44	1784	p = set->packages.data;
krh@44	1785	pend = set->packages.data + set->packages.size;
krh@44	1786	ppool = set->string_pool.data;
krh@44	1787
krh@44	1788	u = upstream->packages.data;
krh@44	1789	uend = upstream->packages.data + upstream->packages.size;
krh@44	1790	upool = upstream->string_pool.data;
krh@44	1791
krh@44	1792	while (p < pend \|\| u < uend) {
krh@44	1793	if (p < pend && u < uend) {
krh@44	1794	res = strcmp(&ppool[p->name], &upool[u->name]);
krh@44	1795	if (res == 0)
krh@44	1796	res = versioncmp(&ppool[p->version],
krh@44	1797	&upool[u->version]);
krh@44	1798	}
krh@44	1799
krh@44	1800	if (u == uend \|\| res < 0) {
krh@44	1801	callback(&ppool[p->name], &ppool[p->version],
krh@44	1802	NULL, data);
krh@44	1803	p++;
krh@44	1804	continue;
krh@44	1805	} else if (p == pend \|\| res > 0) {
krh@44	1806	callback(&upool[u->name], NULL, &upool[u->version],
krh@44	1807	data);
krh@44	1808	u++;
krh@44	1809	continue;
krh@44	1810	} else {
krh@44	1811	p++;
krh@44	1812	u++;
krh@44	1813	}
krh@44	1814	}
krh@44	1815	}

author	Kristian H?gsberg <krh@redhat.com>
	Thu Jan 10 23:42:42 2008 -0500 (2008-01-10)
changeset 100	27aada326858
parent 99	7e5f2050db0e
child 101	9708f6d5db8c
permissions	-rw-r--r--