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