razor.c
author Kristian H?gsberg <krh@redhat.com>
Tue Sep 18 15:02:04 2007 -0400 (2007-09-18)
changeset 27 5dbd81809d26
parent 25 09278d69f386
child 28 c8958f67afd8
permissions -rw-r--r--
Split importers to import.c.
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#define _GNU_SOURCE
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#include <stdlib.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/mman.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#include "razor.h"
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static void
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array_init(struct array *array)
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{
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	memset(array, 0, sizeof *array);
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}
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static void
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array_release(struct array *array)
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{
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	free(array->data);
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}
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static void *
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array_add(struct array *array, int size)
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{
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	int alloc;
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	void *data, *p;
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	if (array->alloc > 0)
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		alloc = array->alloc;
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	else
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		alloc = 16;
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	while (alloc < array->size + size)
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		alloc *= 2;
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	if (array->alloc < alloc) {
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		data = realloc(array->data, alloc);
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		if (data == NULL)
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			return 0;
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		array->data = data;
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		array->alloc = alloc;
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	}
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	p = array->data + array->size;
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	array->size += size;
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	return p;
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}
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static int
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write_to_fd(int fd, void *p, size_t size)
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{
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	int rest, len;
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	rest = size;
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	while (rest > 0) {
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		len = write(fd, p, rest);
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		if (len < 0)
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			return -1;
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		rest -= len;
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	}
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	return 0;
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}
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static void *
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zalloc(size_t size)
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{
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	void *p;
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	p = malloc(size);
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	memset(p, 0, size);
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	return p;
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}
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struct razor_set_section razor_sections[] = {
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	{ RAZOR_PACKAGES,	offsetof(struct razor_set, packages) },
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	{ RAZOR_REQUIRES,	offsetof(struct razor_set, requires) },
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	{ RAZOR_PROVIDES,	offsetof(struct razor_set, provides) },
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	{ RAZOR_STRING_POOL,	offsetof(struct razor_set, string_pool) },
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	{ RAZOR_PROPERTY_POOL,	offsetof(struct razor_set, property_pool) },
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};
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struct razor_set *
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razor_set_create(void)
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{
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	return zalloc(sizeof(struct razor_set));
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}
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struct razor_set *
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razor_set_open(const char *filename)
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{
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	struct razor_set *set;
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	struct razor_set_section *s;
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	struct stat stat;
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	struct array *array;
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	int fd;
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	set = zalloc(sizeof *set);
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	fd = open(filename, O_RDONLY);
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	if (fstat(fd, &stat) < 0)
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		return NULL;
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	set->header = mmap(NULL, stat.st_size, PROT_READ, MAP_PRIVATE, fd, 0);
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	if (set->header == MAP_FAILED) {
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		free(set);
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		return NULL;
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	}
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	for (s = set->header->sections; ~s->type; s++) {
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		if (s->type >= ARRAY_SIZE(razor_sections))
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			continue;
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		if (s->type != razor_sections[s->type].type)
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			continue;
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		array = (void *) set + razor_sections[s->type].offset;
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		array->data = (void *) set->header + s->offset;
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		array->size = s->size;
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		array->alloc = s->size;
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	}
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	close(fd);
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	return set;
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}
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void
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razor_set_destroy(struct razor_set *set)
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{
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	unsigned int size;
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	struct array *a;
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	int i;
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	if (set->header) {
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		for (i = 0; set->header->sections[i].type; i++)
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			;
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		size = set->header->sections[i].type;
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		munmap(set->header, size);
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		free(set->buckets.data);
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	} else {
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		for (i = 0; i < ARRAY_SIZE(razor_sections); i++) {
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			a = (void *) set + razor_sections[i].offset;
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			free(a->data);
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		}
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		free(set->buckets.data);
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	}
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	free(set);
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}
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static int
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razor_set_write(struct razor_set *set, const char *filename)
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{
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	char data[4096];
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	struct razor_set_header *header = (struct razor_set_header *) data;
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	struct array *a;
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	unsigned long offset;
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	int i, fd;
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	memset(data, 0, sizeof data);
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	header->magic = RAZOR_MAGIC;
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	header->version = RAZOR_VERSION;
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	offset = sizeof data;
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	for (i = 0; i < ARRAY_SIZE(razor_sections); i++) {
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		if (razor_sections[i].type != i)
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			continue;
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		a = (void *) set + razor_sections[i].offset;
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		header->sections[i].type = i;
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		header->sections[i].offset = offset;
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		header->sections[i].size = a->size;
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		offset += (a->size + 4095) & ~4095;
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	}
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	header->sections[i].type = ~0;
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	header->sections[i].offset = 0;
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	header->sections[i].size = 0;
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	fd = open(filename, O_CREAT | O_WRONLY | O_TRUNC, 0666);
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	if (fd < 0)
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		return -1;
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	write_to_fd(fd, data, sizeof data);
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	for (i = 0; i < ARRAY_SIZE(razor_sections); i++) {
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		if (razor_sections[i].type != i)
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			continue;
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		a = (void *) set + razor_sections[i].offset;
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		write_to_fd(fd, a->data, (a->size + 4095) & ~4095);
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	}
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	close(fd);
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	return 0;
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}
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static unsigned int
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hash_string(const char *key)
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{
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	const char *p;
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	unsigned int hash = 0;
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	for (p = key; *p; p++)
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		hash = (hash * 617) ^ *p;
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	return hash;
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}
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unsigned long
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razor_set_lookup(struct razor_set *set, const char *key)
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{
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	unsigned int mask, start, i;
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	unsigned long *b;
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	char *pool;
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	pool = set->string_pool.data;
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	mask = set->buckets.alloc - 1;
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	start = hash_string(key) * sizeof(unsigned long);
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	for (i = 0; i < set->buckets.alloc; i += sizeof *b) {
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		b = set->buckets.data + ((start + i) & mask);
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		if (*b == 0)
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			return 0;
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		if (strcmp(key, &pool[*b]) == 0)
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			return *b;
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	}
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	return 0;
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}
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static unsigned long
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add_to_string_pool(struct razor_set *set, const char *key)
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{
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	int len;
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	char *p;
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	len = strlen(key) + 1;
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	p = array_add(&set->string_pool, len);
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	memcpy(p, key, len);
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	return p - (char *) set->string_pool.data;
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}
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static unsigned long
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add_to_property_pool(struct razor_set *set, struct array *properties)
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{
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	unsigned long  *p;
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	p = array_add(properties, sizeof *p);
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	*p = ~0ul;
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	p = array_add(&set->property_pool, properties->size);
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	memcpy(p, properties->data, properties->size);
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	return p - (unsigned long *) set->property_pool.data;
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}
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static void
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do_insert(struct razor_set *set, unsigned long value)
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{
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	unsigned int mask, start, i;
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	unsigned long *b;
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	const char *key;
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	key = (char *) set->string_pool.data + value;
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	mask = set->buckets.alloc - 1;
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	start = hash_string(key) * sizeof(unsigned long);
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	for (i = 0; i < set->buckets.alloc; i += sizeof *b) {
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		b = set->buckets.data + ((start + i) & mask);
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		if (*b == 0) {
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			*b = value;
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			break;
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		}
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	}
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}
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unsigned long
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razor_set_insert(struct razor_set *set, const char *key)
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{
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	unsigned long value, *buckets, *b, *end;
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	int alloc;
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	alloc = set->buckets.alloc;
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	array_add(&set->buckets, 4 * sizeof *buckets);
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	if (alloc != set->buckets.alloc) {
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		end = set->buckets.data + alloc;
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		memset(end, 0, set->buckets.alloc - alloc);
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		for (b = set->buckets.data; b < end; b++) {
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			value = *b;
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			if (value != 0) {
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				*b = 0;
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				do_insert(set, value);
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			}
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		}
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	}
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	value = add_to_string_pool(set, key);
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	do_insert (set, value);
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	return value;
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}
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unsigned long
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razor_set_tokenize(struct razor_set *set, const char *string)
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{
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	unsigned long token;
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	if (string == NULL)
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		return razor_set_tokenize(set, "");
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	token = razor_set_lookup(set, string);
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	if (token != 0)
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		return token;
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	return razor_set_insert(set, string);
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}
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void
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import_context_add_package(struct import_context *ctx,
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			   const char *name, const char *version)
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{
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	struct razor_package *p;
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	p = array_add(&ctx->set->packages, sizeof *p);
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	p->name = razor_set_tokenize(ctx->set, name);
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	p->version = razor_set_tokenize(ctx->set, version);
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	ctx->package = p;
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	array_init(&ctx->requires.package);
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	array_init(&ctx->provides.package);
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}
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void
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import_context_finish_package(struct import_context *ctx)
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{
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	struct razor_package *p;
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	p = ctx->package;
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	p->requires = add_to_property_pool(ctx->set, &ctx->requires.package);
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	p->provides = add_to_property_pool(ctx->set, &ctx->provides.package);
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	array_release(&ctx->requires.package);
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	array_release(&ctx->provides.package);
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}
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void
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import_context_add_property(struct import_context *ctx,
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			    struct import_property_context *pctx,
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			    const char *name, const char *version)
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{
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	struct razor_property *p;
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	unsigned long *r;
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	p = array_add(pctx->all, sizeof *p);
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	p->name = razor_set_tokenize(ctx->set, name);
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	p->version = razor_set_tokenize(ctx->set, version);
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	p->packages = ctx->package -
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		(struct razor_package *) ctx->set->packages.data;
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	r = array_add(&pctx->package, sizeof *r);
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	*r = p - (struct razor_property *) pctx->all->data;
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}
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void
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razor_prepare_import(struct import_context *ctx)
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{
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	memset(ctx, 0, sizeof *ctx);
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	ctx->set = razor_set_create();
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	ctx->requires.all = &ctx->set->requires;
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	ctx->provides.all = &ctx->set->provides;
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}
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typedef int (*compare_with_data_func_t)(const void *p1,
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					const void *p,
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					void *data);
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struct qsort_context {
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	size_t size;
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	compare_with_data_func_t compare;
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	void *data;
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};
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static void
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qsort_swap(void *p1, void *p2, size_t size)
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{
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	char buffer[size];
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	memcpy(buffer, p1, size);
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	memcpy(p1, p2, size);
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	memcpy(p2, buffer, size);
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}
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static void
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__qsort_with_data(void *base, size_t nelem, unsigned long *map,
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		  struct qsort_context *ctx)
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{
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	void *p, *start, *end, *pivot;
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	unsigned long *mp, *mstart, *mend, tmp;
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	int left, right, result;
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	size_t size = ctx->size;
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	p = base;
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	start = base;
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	end = base + nelem * size;
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	mp = map;
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	mstart = map;
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	mend = map + nelem;
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	pivot = base + (random() % nelem) * size;
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	while (p < end) {
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		result = ctx->compare(p, pivot, ctx->data);
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		if (result < 0) {
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			qsort_swap(p, start, size);
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			tmp = *mp;
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			*mp = *mstart;
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			*mstart = tmp;
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			if (start == pivot)
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				pivot = p;
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			start += size;
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			mstart++;
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			p += size;
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		} else if (result == 0) {
krh@22
   428
			p += size;
krh@25
   429
			mp++;
krh@22
   430
		} else {
krh@22
   431
 			end -= size;
krh@25
   432
			mend--;
krh@22
   433
			qsort_swap(p, end, size);
krh@25
   434
			tmp = *mp;
krh@25
   435
			*mp = *mstart;
krh@25
   436
			*mstart = tmp;
krh@22
   437
			if (end == pivot)
krh@22
   438
				pivot = p;
krh@22
   439
		}
krh@22
   440
	}
krh@22
   441
krh@22
   442
	left = (start - base) / size;
krh@22
   443
	right = (base + nelem * size - end) / size;
krh@22
   444
	if (left > 1)
krh@25
   445
		__qsort_with_data(base, left, map, ctx);
krh@22
   446
	if (right > 1)
krh@25
   447
		__qsort_with_data(end, right, mend, ctx);
krh@25
   448
}
krh@25
   449
krh@25
   450
unsigned long *
krh@25
   451
qsort_with_data(void *base, size_t nelem, size_t size,
krh@25
   452
		compare_with_data_func_t compare, void *data)
krh@25
   453
{
krh@25
   454
	struct qsort_context ctx;
krh@25
   455
	unsigned long *map;
krh@25
   456
	int i;
krh@25
   457
krh@25
   458
	ctx.size = size;
krh@25
   459
	ctx.compare = compare;
krh@25
   460
	ctx.data = data;
krh@25
   461
krh@25
   462
	map = malloc(nelem * sizeof (unsigned long));
krh@25
   463
	for (i = 0; i < nelem; i++)
krh@25
   464
		map[i] = i;
krh@25
   465
krh@25
   466
	__qsort_with_data(base, nelem, map, &ctx);
krh@25
   467
krh@25
   468
	return map;
krh@22
   469
}
krh@9
   470
krh@9
   471
static int
krh@22
   472
compare_packages(const void *p1, const void *p2, void *data)
krh@9
   473
{
krh@25
   474
	const struct razor_package *pkg1 = p1, *pkg2 = p2;
krh@22
   475
	struct razor_set *set = data;
krh@22
   476
	char *pool = set->string_pool.data;
krh@9
   477
krh@23
   478
	if (pkg1->name == pkg2->name)
krh@23
   479
		return 0;
krh@23
   480
	else
krh@23
   481
		return strcmp(&pool[pkg1->name], &pool[pkg2->name]);
krh@9
   482
}
krh@9
   483
krh@9
   484
static int
krh@22
   485
compare_properties(const void *p1, const void *p2, void *data)
krh@9
   486
{
krh@25
   487
	const struct razor_property *prop1 = p1, *prop2 = p2;
krh@22
   488
	struct razor_set *set = data;
krh@22
   489
	char *pool = set->string_pool.data;
krh@9
   490
krh@23
   491
	if (prop1->name == prop2->name)
krh@12
   492
		return strcmp(&pool[prop1->version], &pool[prop2->version]);
krh@12
   493
	else
krh@23
   494
		return strcmp(&pool[prop1->name], &pool[prop2->name]);
krh@9
   495
}
krh@9
   496
krh@10
   497
static unsigned long *
krh@25
   498
uniqueify_properties(struct razor_set *set, struct array *properties)
krh@9
   499
{
krh@25
   500
	struct razor_property *rp, *up, *rp_end;
krh@18
   501
	struct array *pkgs, *p;
krh@25
   502
	unsigned long *map, *rmap, *r;
krh@18
   503
	int i, count, unique;
krh@9
   504
krh@25
   505
	count = properties->size / sizeof(struct razor_property);
krh@25
   506
	map = qsort_with_data(properties->data,
krh@25
   507
			      count,
krh@25
   508
			      sizeof(struct razor_property),
krh@25
   509
			      compare_properties,
krh@25
   510
			      set);
krh@9
   511
krh@25
   512
	rp_end = properties->data + properties->size;
krh@25
   513
	rmap = malloc(count * sizeof *map);
krh@25
   514
	pkgs = zalloc(count * sizeof *pkgs);
krh@25
   515
	for (rp = properties->data, up = rp, i = 0; rp < rp_end; rp++, i++) {
krh@25
   516
		if (rp->name != up->name || rp->version != up->version) {
krh@25
   517
			up++;
krh@25
   518
			up->name = rp->name;
krh@25
   519
			up->version = rp->version;
krh@10
   520
		}
krh@25
   521
krh@25
   522
		unique = up - (struct razor_property *) properties->data;
krh@25
   523
		rmap[map[i]] = unique;
krh@25
   524
		r = array_add(&pkgs[unique], sizeof *r);
krh@25
   525
		*r = rp->packages;
krh@10
   526
	}
krh@25
   527
	free(map);
krh@9
   528
krh@25
   529
	up++;
krh@25
   530
	properties->size = (void *) up - properties->data;
krh@25
   531
	rp_end = up;
krh@25
   532
	for (rp = properties->data, p = pkgs; rp < rp_end; rp++, p++) {
krh@25
   533
		rp->packages = add_to_property_pool(set, p);
krh@25
   534
		array_release(p);
krh@18
   535
	}
krh@18
   536
krh@18
   537
	free(pkgs);
krh@18
   538
krh@25
   539
	return rmap;
krh@10
   540
}
krh@10
   541
krh@10
   542
static void
krh@18
   543
remap_package_links(struct import_context *ctx)
krh@10
   544
{
krh@25
   545
	struct razor_package *p, *end;
krh@10
   546
	unsigned long *pool, *r;
krh@10
   547
krh@10
   548
	pool = ctx->set->property_pool.data;
krh@25
   549
	end = ctx->set->packages.data + ctx->set->packages.size;
krh@25
   550
	for (p = ctx->set->packages.data; p < end; p++) {
krh@18
   551
		for (r = &pool[p->requires]; ~*r; r++)
krh@10
   552
			*r = ctx->requires_map[*r];
krh@18
   553
		for (r = &pool[p->provides]; ~*r; r++)
krh@10
   554
			*r = ctx->provides_map[*r];
krh@9
   555
	}
krh@18
   556
}
krh@10
   557
krh@18
   558
static void
krh@25
   559
remap_property_links(struct import_context *ctx, unsigned long *map)
krh@18
   560
{
krh@18
   561
	struct razor_property *p, *end;
krh@25
   562
	struct razor_package *rp;
krh@25
   563
	unsigned long *pool, *r, *rmap;
krh@18
   564
	int i, count;
krh@18
   565
krh@18
   566
	pool = ctx->set->property_pool.data;
krh@25
   567
	count = ctx->set->packages.size / sizeof(struct razor_package);
krh@25
   568
	rmap = malloc(count * sizeof *map);
krh@25
   569
	rp = ctx->set->packages.data;
krh@18
   570
	for (i = 0; i < count; i++)
krh@25
   571
		rmap[map[i]] = i;
krh@18
   572
krh@18
   573
	/* FIXME: This will break if we implement package list sharing
krh@18
   574
	 * for all properties, since we'll remap those lists more than
krh@18
   575
	 * once. We should just have a separate pool for property
krh@18
   576
	 * lists and a separate pool for package lists and remap it as
krh@18
   577
	 * a flat pool.  Right now, as property lists and package
krh@18
   578
	 * lists are mixed, we can't do that. */
krh@18
   579
krh@18
   580
	end = ctx->set->requires.data + ctx->set->requires.size;
krh@18
   581
	for (p = ctx->set->requires.data; p < end; p++)
krh@18
   582
		for (r = &pool[p->packages]; ~*r; r++)
krh@25
   583
			*r = rmap[*r];
krh@18
   584
krh@18
   585
	end = ctx->set->provides.data + ctx->set->provides.size;
krh@18
   586
	for (p = ctx->set->provides.data; p < end; p++)
krh@18
   587
		for (r = &pool[p->packages]; ~*r; r++)
krh@25
   588
			*r = rmap[*r];
krh@18
   589
krh@25
   590
	free(rmap);
krh@9
   591
}
krh@9
   592
krh@27
   593
struct razor_set *
krh@13
   594
razor_finish_import(struct import_context *ctx)
krh@9
   595
{
krh@25
   596
	unsigned long *map;
krh@25
   597
	int count;
krh@18
   598
krh@25
   599
	ctx->requires_map = uniqueify_properties(ctx->set, ctx->requires.all);
krh@25
   600
	ctx->provides_map = uniqueify_properties(ctx->set, ctx->provides.all);
krh@18
   601
	remap_package_links(ctx);
krh@10
   602
	free(ctx->requires_map);
krh@10
   603
	free(ctx->provides_map);
krh@25
   604
krh@25
   605
	count = ctx->set->packages.size / sizeof(struct razor_package);
krh@25
   606
	map = qsort_with_data(ctx->set->packages.data,
krh@25
   607
			      count,
krh@25
   608
			      sizeof(struct razor_package),
krh@25
   609
			      compare_packages,
krh@25
   610
			      ctx->set);
krh@25
   611
	remap_property_links(ctx, map);
krh@25
   612
	free(map);
krh@13
   613
krh@13
   614
	return ctx->set; 
krh@9
   615
}
krh@9
   616
krh@0
   617
void
krh@4
   618
razor_set_list(struct razor_set *set)
krh@3
   619
{
krh@6
   620
	struct razor_package *p, *end;
krh@6
   621
	char *pool;
krh@3
   622
krh@6
   623
	pool = set->string_pool.data;
krh@6
   624
	end = set->packages.data + set->packages.size;
krh@14
   625
	for (p = set->packages.data; p < end; p++)
krh@6
   626
		printf("%s %s\n", &pool[p->name], &pool[p->version]);
krh@3
   627
}
krh@3
   628
krh@16
   629
struct razor_set *bsearch_set;
krh@16
   630
krh@16
   631
static int
krh@16
   632
compare_package_name(const void *key, const void *data)
krh@16
   633
{
krh@16
   634
	const struct razor_package *p = data;
krh@16
   635
	char *pool;
krh@16
   636
krh@16
   637
	pool = bsearch_set->string_pool.data;
krh@16
   638
krh@16
   639
	return strcmp(key, &pool[p->name]);
krh@16
   640
}
krh@16
   641
krh@10
   642
struct razor_package *
krh@10
   643
razor_set_get_package(struct razor_set *set, const char *package)
krh@10
   644
{
krh@16
   645
	bsearch_set = set;
krh@16
   646
	return bsearch(package, set->packages.data,
krh@16
   647
		       set->packages.size / sizeof(struct razor_package),
krh@16
   648
		       sizeof(struct razor_package), compare_package_name);
krh@10
   649
}
krh@10
   650
krh@18
   651
static int
krh@18
   652
compare_property_name(const void *key, const void *data)
krh@18
   653
{
krh@18
   654
	const struct razor_property *p = data;
krh@18
   655
	char *pool;
krh@18
   656
krh@18
   657
	pool = bsearch_set->string_pool.data;
krh@18
   658
krh@18
   659
	return strcmp(key, &pool[p->name]);
krh@18
   660
}
krh@18
   661
krh@18
   662
struct razor_property *
krh@18
   663
razor_set_get_property(struct razor_set *set,
krh@18
   664
		       struct array *properties,
krh@18
   665
		       const char *property)
krh@18
   666
{
krh@18
   667
	struct razor_property *p, *start;
krh@18
   668
krh@18
   669
	bsearch_set = set;
krh@18
   670
	p = bsearch(property, properties->data,
krh@18
   671
		    properties->size / sizeof(struct razor_property),
krh@18
   672
		    sizeof(struct razor_property), compare_property_name);
krh@18
   673
krh@18
   674
	start = properties->data;
krh@18
   675
	while (p > start && (p - 1)->name == p->name)
krh@18
   676
		p--;
krh@18
   677
krh@18
   678
	return p;
krh@18
   679
}
krh@18
   680
krh@10
   681
static void
krh@10
   682
razor_set_list_all_properties(struct razor_set *set, struct array *properties)
krh@8
   683
{
krh@8
   684
	struct razor_property *p, *end;
krh@8
   685
	char *pool;
krh@8
   686
krh@8
   687
	pool = set->string_pool.data;
krh@10
   688
	end = properties->data + properties->size;
krh@14
   689
	for (p = properties->data; p < end; p++)
krh@8
   690
		printf("%s %s\n", &pool[p->name], &pool[p->version]);
krh@8
   691
}
krh@8
   692
krh@8
   693
void
krh@10
   694
razor_set_list_requires(struct razor_set *set, const char *name)
krh@7
   695
{
krh@10
   696
	struct razor_property *p, *requires;
krh@10
   697
	struct razor_package *package;
krh@10
   698
	unsigned long *r;
krh@7
   699
	char *pool;
krh@7
   700
krh@10
   701
	if (name) {
krh@10
   702
		package = razor_set_get_package(set, name);
krh@10
   703
		r = (unsigned long *) set->property_pool.data +
krh@10
   704
			package->requires;
krh@10
   705
		requires = set->requires.data;
krh@10
   706
		pool = set->string_pool.data;
krh@18
   707
		while (~*r) {
krh@10
   708
			p = &requires[*r++];
krh@10
   709
			printf("%s %s\n", &pool[p->name], &pool[p->version]);
krh@10
   710
		}
krh@10
   711
	} else
krh@10
   712
		razor_set_list_all_properties(set, &set->requires);
krh@10
   713
}
krh@10
   714
krh@10
   715
void
krh@10
   716
razor_set_list_provides(struct razor_set *set, const char *name)
krh@10
   717
{
krh@10
   718
	struct razor_property *p, *provides;
krh@10
   719
	struct razor_package *package;
krh@10
   720
	unsigned long *r;
krh@10
   721
	char *pool;
krh@10
   722
krh@10
   723
	if (name) {
krh@10
   724
		package = razor_set_get_package(set, name);
krh@10
   725
		r = (unsigned long *) set->property_pool.data +
krh@10
   726
			package->provides;
krh@10
   727
		provides = set->provides.data;
krh@10
   728
		pool = set->string_pool.data;
krh@18
   729
		while (~*r) {
krh@10
   730
			p = &provides[*r++];
krh@10
   731
			printf("%s %s\n", &pool[p->name], &pool[p->version]);
krh@10
   732
		}
krh@10
   733
	} else 
krh@10
   734
		razor_set_list_all_properties(set, &set->provides);
krh@7
   735
}
krh@7
   736
krh@7
   737
void
krh@18
   738
razor_set_list_property_packages(struct razor_set *set,
krh@18
   739
				 struct array *properties,
krh@20
   740
				 const char *name,
krh@20
   741
				 const char *version)
krh@18
   742
{
krh@18
   743
	struct razor_property *property, *end;
krh@18
   744
	struct razor_package *p, *packages;
krh@18
   745
	unsigned long *r;
krh@18
   746
	char *pool;
krh@18
   747
krh@18
   748
	if (name == NULL)
krh@18
   749
		return;
krh@18
   750
krh@18
   751
	property = razor_set_get_property(set, properties, name);
krh@18
   752
	packages = set->packages.data;
krh@18
   753
	pool = set->string_pool.data;
krh@18
   754
	end = properties->data + properties->size;
krh@18
   755
	while (property < end && strcmp(name, &pool[property->name]) == 0) {
krh@20
   756
		if (version && strcmp(version, &pool[property->version]) != 0)
krh@20
   757
			goto next;
krh@18
   758
		r = (unsigned long *)
krh@18
   759
			set->property_pool.data + property->packages;
krh@18
   760
		while (~*r) {
krh@18
   761
			p = &packages[*r++];
krh@18
   762
			printf("%s %s\n",
krh@18
   763
			       &pool[p->name], &pool[p->version]);
krh@18
   764
		}
krh@20
   765
	next:
krh@18
   766
		property++;
krh@18
   767
	}
krh@18
   768
}
krh@18
   769
krh@18
   770
void
krh@21
   771
razor_set_validate(struct razor_set *set, struct array *unsatisfied)
krh@21
   772
{
krh@21
   773
	struct razor_property *r, *p, *rend, *pend;
krh@21
   774
	unsigned long *u;
krh@21
   775
	char *pool;
krh@21
   776
krh@21
   777
	r = set->requires.data;
krh@21
   778
	p = set->provides.data;
krh@21
   779
	rend = set->requires.data + set->requires.size;
krh@21
   780
	pend = set->provides.data + set->provides.size;
krh@21
   781
	pool = set->string_pool.data;
krh@21
   782
	
krh@21
   783
	while (r < rend) {
krh@21
   784
		while (p < pend && strcmp(&pool[r->name], &pool[p->name]) > 0)
krh@21
   785
			p++;
krh@21
   786
		if (p == pend || strcmp(&pool[r->name], &pool[p->name]) != 0) {
krh@21
   787
			u = array_add(unsatisfied, sizeof *u);
krh@21
   788
			*u = r - (struct razor_property *) set->requires.data;
krh@21
   789
		}
krh@21
   790
		r++;
krh@21
   791
	}
krh@21
   792
}
krh@21
   793
krh@21
   794
void
krh@21
   795
razor_set_list_unsatisfied(struct razor_set *set)
krh@21
   796
{
krh@21
   797
	struct array unsatisfied;
krh@21
   798
	struct razor_property *requires, *r;
krh@21
   799
	unsigned long *u, *end;
krh@21
   800
	char *pool;
krh@21
   801
krh@21
   802
	array_init(&unsatisfied);
krh@21
   803
	razor_set_validate(set, &unsatisfied);
krh@21
   804
krh@21
   805
	end = unsatisfied.data + unsatisfied.size;
krh@21
   806
	requires = set->requires.data;
krh@21
   807
	pool = set->string_pool.data;
krh@21
   808
krh@21
   809
	for (u = unsatisfied.data; u < end; u++) {
krh@21
   810
		r = requires + *u;
krh@21
   811
		printf("%s %s not satisfied\n",
krh@21
   812
		       &pool[r->name], &pool[r->version]);
krh@21
   813
	}
krh@21
   814
krh@21
   815
	array_release(&unsatisfied);
krh@21
   816
}
krh@21
   817
krh@21
   818
void
krh@4
   819
razor_set_info(struct razor_set *set)
krh@3
   820
{
krh@3
   821
	unsigned int offset, size;
krh@3
   822
	int i;
krh@3
   823
krh@4
   824
	for (i = 0; i < set->header->sections[i].type; i++) {
krh@4
   825
		offset = set->header->sections[i].offset;
krh@18
   826
		size = set->header->sections[i].size;
krh@3
   827
krh@4
   828
		switch (set->header->sections[i].type) {
krh@4
   829
		case RAZOR_PACKAGES:
krh@3
   830
			printf("package section:\t%dkb\n", size / 1024);
krh@3
   831
			break;
krh@8
   832
		case RAZOR_REQUIRES:
krh@8
   833
			printf("requires section:\t%dkb\n", size / 1024);
krh@8
   834
			break;
krh@7
   835
		case RAZOR_PROVIDES:
krh@7
   836
			printf("provides section:\t%dkb\n", size / 1024);
krh@7
   837
			break;
krh@19
   838
		case RAZOR_STRING_POOL:
krh@19
   839
			printf("string pool:\t\t%dkb\n", size / 1024);
krh@19
   840
			break;
krh@19
   841
		case RAZOR_PROPERTY_POOL:
krh@18
   842
			printf("properties section:\t%dkb\n", size / 1024);
krh@18
   843
			break;
krh@3
   844
		}
krh@3
   845
	}
krh@0
   846
}
krh@0
   847
krh@0
   848
static int
krh@0
   849
usage(void)
krh@0
   850
{
krh@7
   851
	printf("usage: razor [ import FILES | lookup <key> | "
krh@15
   852
	       "list | list-requires | list-provides | eat-yum | info ]\n");
krh@0
   853
	exit(1);
krh@0
   854
}
krh@0
   855
krh@15
   856
static const char *repo_filename = "system.repo";
krh@15
   857
static const char rawhide_repo_filename[] = "rawhide.repo";
krh@0
   858
krh@0
   859
int
krh@27
   860
main(int argc, const char *argv[])
krh@0
   861
{
krh@4
   862
	struct razor_set *set;
krh@0
   863
	struct stat statbuf;
krh@15
   864
	char *repo;
krh@15
   865
krh@15
   866
	repo = getenv("RAZOR_REPO");
krh@15
   867
	if (repo != NULL)
krh@15
   868
		repo_filename = repo;
krh@0
   869
krh@3
   870
	if (argc < 2) {
krh@0
   871
		usage();
krh@0
   872
	} else if (strcmp(argv[1], "import") == 0) {
krh@0
   873
		if (stat("set", &statbuf) && mkdir("set", 0777)) {
krh@0
   874
			fprintf(stderr, "could not create directory 'set'\n");
krh@0
   875
			exit(-1);
krh@0
   876
		}
krh@0
   877
			
krh@27
   878
		set = razor_import_rzr_files(argc - 2, argv + 2);
krh@6
   879
krh@6
   880
		printf("bucket allocation: %d\n", set->buckets.alloc);
krh@6
   881
		printf("pool size: %d\n", set->string_pool.size);
krh@6
   882
		printf("pool allocation: %d\n", set->string_pool.alloc);
krh@7
   883
		printf("packages: %d\n",
krh@7
   884
		       set->packages.size / sizeof(struct razor_package));
krh@8
   885
		printf("requires: %d\n",
krh@8
   886
		       set->requires.size / sizeof(struct razor_property));
krh@7
   887
		printf("provides: %d\n",
krh@8
   888
		       set->provides.size / sizeof(struct razor_property));
krh@0
   889
krh@4
   890
		razor_set_write(set, repo_filename);
krh@0
   891
krh@4
   892
		razor_set_destroy(set);
krh@0
   893
	} else if (strcmp(argv[1], "lookup") == 0) {
krh@4
   894
		set = razor_set_open(repo_filename);
krh@0
   895
		printf("%s is %lu\n", argv[2],
krh@4
   896
		       razor_set_lookup(set, argv[2]));
krh@4
   897
		razor_set_destroy(set);
krh@3
   898
	} else if (strcmp(argv[1], "list") == 0) {
krh@4
   899
		set = razor_set_open(repo_filename);
krh@4
   900
		razor_set_list(set);
krh@4
   901
		razor_set_destroy(set);
krh@8
   902
	} else if (strcmp(argv[1], "list-requires") == 0) {
krh@8
   903
		set = razor_set_open(repo_filename);
krh@10
   904
		razor_set_list_requires(set, argv[2]);
krh@8
   905
		razor_set_destroy(set);
krh@7
   906
	} else if (strcmp(argv[1], "list-provides") == 0) {
krh@7
   907
		set = razor_set_open(repo_filename);
krh@10
   908
		razor_set_list_provides(set, argv[2]);
krh@7
   909
		razor_set_destroy(set);
krh@18
   910
	} else if (strcmp(argv[1], "what-requires") == 0) {
krh@18
   911
		set = razor_set_open(repo_filename);
krh@20
   912
		razor_set_list_property_packages(set, &set->requires,
krh@20
   913
						 argv[2], argv[3]);
krh@18
   914
		razor_set_destroy(set);
krh@18
   915
	} else if (strcmp(argv[1], "what-provides") == 0) {
krh@18
   916
		set = razor_set_open(repo_filename);
krh@20
   917
		razor_set_list_property_packages(set, &set->provides,
krh@20
   918
						 argv[2], argv[3]);
krh@18
   919
		razor_set_destroy(set);
krh@3
   920
	} else if (strcmp(argv[1], "info") == 0) {
krh@4
   921
		set = razor_set_open(repo_filename);
krh@4
   922
		razor_set_info(set);
krh@4
   923
		razor_set_destroy(set);
krh@15
   924
	} else if (strcmp(argv[1], "eat-yum") == 0) {
krh@15
   925
		set = razor_set_create_from_yum_filelist(STDIN_FILENO);
krh@15
   926
		if (set == NULL)
krh@15
   927
			return 1;
krh@15
   928
		razor_set_write(set, rawhide_repo_filename);
krh@15
   929
		razor_set_destroy(set);
krh@18
   930
		printf("wrote %s\n", rawhide_repo_filename);
krh@21
   931
	} else if (strcmp(argv[1], "validate") == 0) {
krh@21
   932
		set = razor_set_open(repo_filename);
krh@21
   933
		if (set == NULL)
krh@21
   934
			return 1;
krh@21
   935
		razor_set_list_unsatisfied(set);
krh@21
   936
		razor_set_destroy(set);
krh@0
   937
	} else {
krh@0
   938
		usage();
krh@0
   939
	}
krh@0
   940
krh@0
   941
	return 0;
krh@0
   942
}