diff options
Diffstat (limited to 'lib/libalpm/util.c')
| -rw-r--r-- | lib/libalpm/util.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/lib/libalpm/util.c b/lib/libalpm/util.c index 5bf4ef12..26612418 100644 --- a/lib/libalpm/util.c +++ b/lib/libalpm/util.c @@ -800,4 +800,49 @@ char *_alpm_archive_fgets(char *line, size_t size, struct archive *a) return(line); } +int _alpm_splitname(const char *target, pmpkg_t *pkg) +{ + /* the format of a db entry is as follows: + * package-version-rel/ + * package name can contain hyphens, so parse from the back- go back + * two hyphens and we have split the version from the name. + */ + char *tmp, *p, *q; + + if(target == NULL || pkg == NULL) { + return(-1); + } + STRDUP(tmp, target, RET_ERR(PM_ERR_MEMORY, -1)); + p = tmp + strlen(tmp); + + /* remove any trailing '/' */ + while (*(p - 1) == '/') { + --p; + *p = '\0'; + } + + /* do the magic parsing- find the beginning of the version string + * by doing two iterations of same loop to lop off two hyphens */ + for(q = --p; *q && *q != '-'; q--); + for(p = --q; *p && *p != '-'; p--); + if(*p != '-' || p == tmp) { + return(-1); + } + + /* copy into fields and return */ + if(pkg->version) { + FREE(pkg->version); + } + STRDUP(pkg->version, p+1, RET_ERR(PM_ERR_MEMORY, -1)); + /* insert a terminator at the end of the name (on hyphen)- then copy it */ + *p = '\0'; + if(pkg->name) { + FREE(pkg->name); + } + STRDUP(pkg->name, tmp, RET_ERR(PM_ERR_MEMORY, -1)); + + free(tmp); + return(0); +} + /* vim: set ts=2 sw=2 noet: */ |