1
0
Fork 0
mirror of https://github.com/pygos/pkg-utils.git synced 2024-11-14 17:37:11 +01:00
pkg-utils/main/cmd/buildstrategy/provider.c
David Oberhollenzer b7e81c081b cleanup: split package provider code out of buildstrategy.c
Signed-off-by: David Oberhollenzer <goliath@infraroot.at>
2019-03-30 18:20:33 +01:00

110 lines
2.4 KiB
C

/* SPDX-License-Identifier: ISC */
#include "buildstrategy.h"
static hash_table_t tbl_provides;
static hash_table_t tbl_preferes;
int provider_init(void)
{
if (hash_table_init(&tbl_provides, 1024))
return -1;
if (hash_table_init(&tbl_preferes, 1024)) {
hash_table_cleanup(&tbl_provides);
return -1;
}
return 0;
}
void provider_cleanup(void)
{
hash_table_cleanup(&tbl_provides);
hash_table_cleanup(&tbl_preferes);
}
int provider_add(const char *sourcepkg, const char *binpkg)
{
source_pkg_t *head = hash_table_lookup(&tbl_provides, binpkg), *src;
for (src = head; src != NULL; src = src->next) {
if (strcmp(src->name, sourcepkg) == 0)
return 0;
}
src = src_pkg_get(sourcepkg);
if (src == NULL)
return -1;
src->next = head;
return hash_table_set(&tbl_provides, binpkg, src);
}
int provider_add_prefered(const char *binpkg, const char *sourcepkg)
{
source_pkg_t *src = src_pkg_get(sourcepkg);
if (src == NULL)
return -1;
return hash_table_set(&tbl_preferes, binpkg, src);
}
source_pkg_t *provider_get(const char *parent, const char *binpkg)
{
source_pkg_t *spkg, *pref;
spkg = hash_table_lookup(&tbl_provides, binpkg);
if (spkg == NULL)
goto fail_none;
pref = hash_table_lookup(&tbl_preferes, binpkg);
if (spkg->next != NULL) {
if (pref == NULL)
goto fail_no_pref;
while (spkg != NULL && strcmp(spkg->name, pref->name) != 0) {
spkg = spkg->next;
}
if (spkg == NULL) {
spkg = hash_table_lookup(&tbl_provides, binpkg);
goto fail_provider;
}
} else {
if (pref != NULL && strcmp(spkg->name, pref->name) != 0)
goto fail_provider;
}
return spkg;
fail_none:
fprintf(stderr, "No source package provides binary package '%s'.\n\n",
binpkg);
goto fail;
fail_provider:
fprintf(stderr,
"Preferred provider for binary package '%s' is set to\n"
"source package '%s', which does not provide '%s'.\n\n",
binpkg, pref->name, binpkg);
goto fail_list_providers;
fail_no_pref:
fprintf(stderr, "No preferred provider set for "
"binary package '%s'.\n\n", binpkg);
goto fail_list_providers;
fail_list_providers:
fprintf(stderr, "The following source packages provide the "
"binary package '%s':\n\n", binpkg);
while (spkg != NULL) {
fprintf(stderr, "\t%s\n", spkg->name);
spkg = spkg->next;
}
fputc('\n', stderr);
goto fail;
fail:
if (parent != NULL) {
fprintf(stderr, "Binary package '%s' is required to "
"build source package '%s'\n", binpkg, parent);
}
return NULL;
}