---
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 df874bf..40a4476 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 */
--
1.7.4.1