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authorAurelien Foret <aurelien@archlinux.org>2006-01-21 19:29:10 +0000
committerAurelien Foret <aurelien@archlinux.org>2006-01-21 19:29:10 +0000
commita10584aec48617b4152b7e0653eb8b43f062839a (patch)
treea663e391edb8d4d2aa0d11954b760b9ecb49434a /lib
parentc57d069abbbc65b3eb81f62b2318841fcd869637 (diff)
document package, group, sync and transaction functions (patch from VMiklos <vmiklos@frugalware.org>)
Diffstat (limited to 'lib')
-rw-r--r--lib/libalpm/alpm.c63
1 files changed, 62 insertions, 1 deletions
diff --git a/lib/libalpm/alpm.c b/lib/libalpm/alpm.c
index 4d21ebdc..da3eaae0 100644
--- a/lib/libalpm/alpm.c
+++ b/lib/libalpm/alpm.c
@@ -412,6 +412,11 @@ PMList *alpm_db_getgrpcache(pmdb_t *db)
* @{
*/
+/** Get informations about a package.
+ * @param pkg package pointer
+ * @param parm name of the info to get
+ * @return a void* on success (the value), NULL on error
+ */
void *alpm_pkg_getinfo(pmpkg_t *pkg, unsigned char parm)
{
void *data = NULL;
@@ -507,6 +512,11 @@ void *alpm_pkg_getinfo(pmpkg_t *pkg, unsigned char parm)
return(data);
}
+/** Create a package from a file.
+ * @param filename location of the package tarball
+ * @param pkg address of the package pointer
+ * @return 0 on success, -1 on error (pm_errno is set accordingly)
+ */
int alpm_pkg_load(char *filename, pmpkg_t **pkg)
{
/* Sanity checks */
@@ -522,6 +532,10 @@ int alpm_pkg_load(char *filename, pmpkg_t **pkg)
return(0);
}
+/** Free a package.
+ * @param pkg package pointer to free
+ * @return 0 on success, -1 on error (pm_errno is set accordingly)
+ */
int alpm_pkg_free(pmpkg_t *pkg)
{
ASSERT(pkg != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1));
@@ -532,6 +546,12 @@ int alpm_pkg_free(pmpkg_t *pkg)
return(0);
}
+/** Compare versions.
+ * @param ver1 first version
+ * @param ver2 secont version
+ * @return postive, 0 or negative if ver1 is less, equal or more
+ * than ver2, respectively.
+ */
int alpm_pkg_vercmp(const char *ver1, const char *ver2)
{
return(versioncmp(ver1, ver2));
@@ -542,6 +562,11 @@ int alpm_pkg_vercmp(const char *ver1, const char *ver2)
* @{
*/
+/** Get informations about a group.
+ * @param grp group pointer
+ * @param parm name of the info to get
+ * @return a void* on success (the value), NULL on error
+ */
void *alpm_grp_getinfo(pmgrp_t *grp, unsigned char parm)
{
void *data = NULL;
@@ -565,6 +590,11 @@ void *alpm_grp_getinfo(pmgrp_t *grp, unsigned char parm)
* @{
*/
+/** Get informations about a sync.
+ * @param sync package pointer
+ * @param parm name of the info to get
+ * @return a void* on success (the value), NULL on error
+ */
void *alpm_sync_getinfo(pmsyncpkg_t *sync, unsigned char parm)
{
void *data;
@@ -589,6 +619,10 @@ void *alpm_sync_getinfo(pmsyncpkg_t *sync, unsigned char parm)
* @{
*/
+/** Get informations about the transaction.
+ * @param parm name of the info to get
+ * @return a void* on success (the value), NULL on error
+ */
void *alpm_trans_getinfo(unsigned char parm)
{
pmtrans_t *trans;
@@ -613,6 +647,13 @@ void *alpm_trans_getinfo(unsigned char parm)
return(data);
}
+/** Initialize the transaction.
+ * @param type type of the transaction
+ * @param flags flags of the transaction (like nodeps, etc)
+ * @param event event callback function pointer
+ * @param conv conversation callback function pointer
+ * @return 0 on success, -1 on error (pm_errno is set accordingly)
+ */
int alpm_trans_init(unsigned char type, unsigned char flags, alpm_trans_cb_event event, alpm_trans_cb_conv conv)
{
/* Sanity checks */
@@ -621,7 +662,7 @@ int alpm_trans_init(unsigned char type, unsigned char flags, alpm_trans_cb_event
/* ORE
* perform sanity checks on type and flags:
- * for instance, we can't set UPGRADE and FRESHEN at the same time */
+ * for instance, we can't set UPGRADE and FRESHEN at the same time */
handle->trans = trans_new();
if(handle->trans == NULL) {
@@ -631,6 +672,9 @@ int alpm_trans_init(unsigned char type, unsigned char flags, alpm_trans_cb_event
return(trans_init(handle->trans, type, flags, event, conv));
}
+/** Search for packages to upgrade and add them to the transaction.
+ * @return 0 on success, -1 on error (pm_errno is set accordingly)
+ */
int alpm_trans_sysupgrade()
{
pmtrans_t *trans;
@@ -645,6 +689,10 @@ int alpm_trans_sysupgrade()
return(trans_sysupgrade(trans));
}
+/** Add a target to the transaction.
+ * @param target the name of the target to add
+ * @return 0 on success, -1 on error (pm_errno is set accordingly)
+ */
int alpm_trans_addtarget(char *target)
{
pmtrans_t *trans;
@@ -660,6 +708,11 @@ int alpm_trans_addtarget(char *target)
return(trans_addtarget(trans, target));
}
+/** Prepare a transaction.
+ * @param data the address of a PM_LIST where detailed description
+ * of an error can be dumped (ie. list of conflicting files)
+ * @return 0 on success, -1 on error (pm_errno is set accordingly)
+ */
int alpm_trans_prepare(PMList **data)
{
pmtrans_t *trans;
@@ -674,6 +727,11 @@ int alpm_trans_prepare(PMList **data)
return(trans_prepare(handle->trans, data));
}
+/** Commit a transaction.
+ * @param data the address of a PM_LIST where detailed description
+ * of an error can be dumped (ie. list of conflicting files)
+ * @return 0 on success, -1 on error (pm_errno is set accordingly)
+ */
int alpm_trans_commit(PMList **data)
{
pmtrans_t *trans;
@@ -691,6 +749,9 @@ int alpm_trans_commit(PMList **data)
return(trans_commit(handle->trans, data));
}
+/** Release a transaction.
+ * @return 0 on success, -1 on error (pm_errno is set accordingly)
+ */
int alpm_trans_release()
{
pmtrans_t *trans;