diff options
Diffstat (limited to 'src/db.c')
| -rw-r--r-- | src/db.c | 112 |
1 files changed, 100 insertions, 12 deletions
@@ -1,5 +1,5 @@ /* - * pacman + * db.c * * Copyright (c) 2002 by Judd Vinet <jvinet@zeroflux.org> * @@ -29,13 +29,7 @@ #include "util.h" #include "db.h" -/* Verify database integrity and build a list of - * installed packages - * - * returns: 0 on success - * 1 if db is not initialized - * 2 if db is corrupt - */ +/* Open a database and return a pacdb_t handle */ pacdb_t* db_open(char *root, char *pkgdir, char *treename) { pacdb_t *db = NULL; @@ -111,7 +105,7 @@ PMList* db_loadpkgs(pacdb_t *db, PMList *pkgcache) cache = list_add(cache, arr[i]); } - free(arr); + FREE(arr); return(cache); } @@ -216,6 +210,11 @@ pkginfo_t* db_read(pacdb_t *db, struct dirent *ent, unsigned int inforeq) return(NULL); } trim(info->desc); + } else if(!strcmp(line, "%GROUPS%")) { + while(fgets(line, 512, fp) && strlen(trim(line))) { + char *s = strdup(line); + info->groups = list_add(info->groups, s); + } } else if(!strcmp(line, "%URL%")) { if(fgets(info->url, sizeof(info->url), fp) == NULL) { return(NULL); @@ -243,6 +242,14 @@ pkginfo_t* db_read(pacdb_t *db, struct dirent *ent, unsigned int inforeq) } trim(tmp); info->size = atol(tmp); + } else if(!strcmp(line, "%REPLACES%")) { + /* the REPLACES tag is special -- it only appears in sync repositories, + * not the local one. + */ + while(fgets(line, 512, fp) && strlen(trim(line))) { + char *s = strdup(line); + info->replaces = list_add(info->replaces, s); + } } } fclose(fp); @@ -303,6 +310,12 @@ pkginfo_t* db_read(pacdb_t *db, struct dirent *ent, unsigned int inforeq) info->conflicts = list_add(info->conflicts, s); } } + if(!strcmp(line, "%PROVIDES%")) { + while(fgets(line, 512, fp) && strlen(trim(line))) { + char *s = strdup(line); + info->provides = list_add(info->provides, s); + } + } } fclose(fp); } @@ -347,6 +360,11 @@ int db_write(pacdb_t *db, pkginfo_t *info) fprintf(fp, "%s\n\n", info->version); fputs("%DESC%\n", fp); fprintf(fp, "%s\n\n", info->desc); + fputs("%GROUPS%\n", fp); + for(lp = info->groups; lp; lp = lp->next) { + fprintf(fp, "%s\n", (char*)lp->data); + } + fprintf(fp, "\n"); fputs("%URL%\n", fp); fprintf(fp, "%s\n\n", info->url); fputs("%BUILDDATE%\n", fp); @@ -400,6 +418,11 @@ int db_write(pacdb_t *db, pkginfo_t *info) fprintf(fp, "%s\n", (char*)lp->data); } fprintf(fp, "\n"); + fputs("%PROVIDES%\n", fp); + for(lp = info->provides; lp; lp = lp->next) { + fprintf(fp, "%s\n", (char*)lp->data); + } + fprintf(fp, "\n"); fclose(fp); /* INSTALL */ @@ -426,7 +449,6 @@ PMList* db_find_conflicts(pacdb_t *db, PMList *targets, char *root) * pkginfo_t *info = NULL; char *dbstr = NULL; - vprint("Checking database against targets...\n"); rewinddir(db->dir); while((info = db_scan(db, NULL, INFRQ_DESC | INFRQ_FILES)) != NULL) { for(i = info->files; i; i = i->next) { @@ -453,7 +475,6 @@ PMList* db_find_conflicts(pacdb_t *db, PMList *targets, char *root) }*/ /* CHECK 2: check every target against every target */ - /* orelien - vprint("Checking targets against targets...\n"); */ for(i = targets; i; i = i->next) { pkginfo_t *p1 = (pkginfo_t*)i->data; for(j = i; j; j = j->next) { @@ -480,7 +501,6 @@ PMList* db_find_conflicts(pacdb_t *db, PMList *targets, char *root) } /* CHECK 3: check every target against the filesystem */ - /* orelien - vprint("Checking targets against filesystem...\n"); */ for(i = targets; i; i = i->next) { pkginfo_t *p = (pkginfo_t*)i->data; pkginfo_t *dbpkg = NULL; @@ -509,4 +529,72 @@ PMList* db_find_conflicts(pacdb_t *db, PMList *targets, char *root) return(conflicts); } +PMList *whatprovides(pacdb_t *db, char* package) +{ + PMList *pkgs, *i = NULL; + pkginfo_t *info; + + rewinddir(db->dir); + while((info = db_scan(db, NULL, INFRQ_DESC | INFRQ_DEPENDS)) != NULL) { + if(is_in(package, info->provides)) { + i = list_add(i, strdup(info->name)); + } + freepkg(info); + } + pkgs = list_sort(i); + list_free(i); + + return(pkgs); +} + +/* + * return a list of all groups present in *db + * + */ +PMList *find_groups(pacdb_t *db) +{ + PMList *groups, *i = NULL; + PMList *lp = NULL; + pkginfo_t *info; + + rewinddir(db->dir); + while((info = db_scan(db, NULL, INFRQ_DESC)) != NULL) { + for(lp = info->groups; lp; lp = lp->next) { + if(!is_in((char*)lp->data, i)) { + i = list_add(i, strdup((char*)lp->data)); + } + } + freepkg(info); + } + groups = list_sort(i); + list_free(i); + + return(groups); +} + +/* + * return a list of all members of the specified group + * + */ +PMList *pkg_ingroup(pacdb_t *db, char *group) +{ + PMList *pkg, *i = NULL; + PMList *lp = NULL; + pkginfo_t *info; + + rewinddir(db->dir); + while((info = db_scan(db, NULL, INFRQ_DESC)) != NULL) { + for(lp = info->groups; lp; lp = lp->next) { + if(!strcmp((char*)lp->data, group)) { + i = list_add(i, strdup(info->name)); + } + } + freepkg(info); + } + pkg = list_sort(i); + list_free(i); + + return(pkg); +} + /* vim: set ts=2 sw=2 noet: */ |