diff options
| -rw-r--r-- | lib/libalpm/alpm.h | 44 |
1 files changed, 39 insertions, 5 deletions
diff --git a/lib/libalpm/alpm.h b/lib/libalpm/alpm.h index 5d6fdac0..13d55c16 100644 --- a/lib/libalpm/alpm.h +++ b/lib/libalpm/alpm.h @@ -172,13 +172,14 @@ void alpm_option_set_checkspace(int checkspace); /** @} */ -/* - * Install reasons -- ie, why the package was installed +/** Install reasons + * Why the package was installed. */ - typedef enum _pmpkgreason_t { - PM_PKG_REASON_EXPLICIT = 0, /* explicitly requested by the user */ - PM_PKG_REASON_DEPEND = 1 /* installed as a dependency for another package */ + /** Explicitly requested by the user. */ + PM_PKG_REASON_EXPLICIT = 0, + /** Installed as a dependency for another package. */ + PM_PKG_REASON_DEPEND = 1 } pmpkgreason_t; /** @addtogroup alpm_api_databases Database Functions @@ -745,12 +746,19 @@ int alpm_remove_pkg(pmpkg_t *pkg); * @{ */ +/** Types of version constraints in dependency specs. */ typedef enum _pmdepmod_t { + /** No version constraint */ PM_DEP_MOD_ANY = 1, + /** Test version equality (package=x.y.z) */ PM_DEP_MOD_EQ, + /** Test for at least a version (package>=x.y.z) */ PM_DEP_MOD_GE, + /** Test for at most a version (package<=x.y.z) */ PM_DEP_MOD_LE, + /** Test for greater than some version (package>x.y.z) */ PM_DEP_MOD_GT, + /** Test for less than some version (package<x.y.z) */ PM_DEP_MOD_LT } pmdepmod_t; @@ -769,9 +777,31 @@ const char *alpm_conflict_get_package1(pmconflict_t *conflict); const char *alpm_conflict_get_package2(pmconflict_t *conflict); const char *alpm_conflict_get_reason(pmconflict_t *conflict); +/** Returns the type of version constraint. + * @param dep a dependency info structure + * @return the type of version constraint (PM_DEP_MOD_ANY if no version + * is specified). + */ pmdepmod_t alpm_dep_get_mod(const pmdepend_t *dep); + +/** Returns the package name of a dependency constraint. + * @param dep a dependency info structure + * @return a pointer to an internal string. + */ const char *alpm_dep_get_name(const pmdepend_t *dep); + +/** Returns the version specified by a dependency constraint. + * The version information is returned as a string in the same format + * as given by alpm_pkg_get_version(). + * @param dep a dependency info structure + * @return a pointer to an internal string. + */ const char *alpm_dep_get_version(const pmdepend_t *dep); + +/** Returns a newly allocated string representing the dependency information. + * @param dep a dependency info structure + * @return a formatted string, e.g. "glibc>=2.12" + */ char *alpm_dep_compute_string(const pmdepend_t *dep); /** @} */ @@ -862,9 +892,13 @@ enum _pmerrno_t { PM_ERR_EXTERNAL_DOWNLOAD }; +/** The number of the last error that occurred. */ extern enum _pmerrno_t pm_errno; +/** Returns the string corresponding to an error number. */ const char *alpm_strerror(int err); + +/** Returns the string corresponding to pm_errno. */ const char *alpm_strerrorlast(void); /* End of alpm_api_errors */ |