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-rw-r--r--lib/libalpm/add.c4
-rw-r--r--lib/libalpm/alpm.h2
-rw-r--r--lib/libalpm/package.c40
-rw-r--r--lib/libalpm/package.h2
4 files changed, 30 insertions, 18 deletions
diff --git a/lib/libalpm/add.c b/lib/libalpm/add.c
index 442b3180..47a885ec 100644
--- a/lib/libalpm/add.c
+++ b/lib/libalpm/add.c
@@ -65,7 +65,7 @@ int _alpm_add_loadtarget(pmtrans_t *trans, pmdb_t *db, char *name)
_alpm_log(PM_LOG_DEBUG, "loading target '%s'\n", name);
- if(alpm_pkg_load(name, &pkg) != 0) {
+ if(alpm_pkg_load(name, 1, &pkg) != 0) {
goto error;
}
pkgname = alpm_pkg_get_name(pkg);
@@ -97,7 +97,7 @@ int _alpm_add_loadtarget(pmtrans_t *trans, pmdb_t *db, char *name)
pmpkg_t *newpkg;
_alpm_log(PM_LOG_WARNING, _("replacing older version %s-%s by %s in target list\n"),
pkg->name, pkg->version, pkgver);
- if((newpkg = _alpm_pkg_load(name)) == NULL) {
+ if((newpkg = _alpm_pkg_load(name, 1)) == NULL) {
/* pm_errno is already set by pkg_load() */
goto error;
}
diff --git a/lib/libalpm/alpm.h b/lib/libalpm/alpm.h
index 53bbaaa0..f208398d 100644
--- a/lib/libalpm/alpm.h
+++ b/lib/libalpm/alpm.h
@@ -180,7 +180,7 @@ typedef enum _pmpkgreason_t {
PM_PKG_REASON_DEPEND = 1 /* installed as a dependency for another package */
} pmpkgreason_t;
-int alpm_pkg_load(const char *filename, pmpkg_t **pkg);
+int alpm_pkg_load(const char *filename, unsigned short full, pmpkg_t **pkg);
int alpm_pkg_free(pmpkg_t *pkg);
int alpm_pkg_checkmd5sum(pmpkg_t *pkg);
char *alpm_fetch_pkgurl(const char *url);
diff --git a/lib/libalpm/package.c b/lib/libalpm/package.c
index 30d77a74..96c264ac 100644
--- a/lib/libalpm/package.c
+++ b/lib/libalpm/package.c
@@ -57,10 +57,13 @@
/** Create a package from a file.
* @param filename location of the package tarball
+ * @param full whether to stop the load after metadata is read or continue
+ * through the full archive
* @param pkg address of the package pointer
* @return 0 on success, -1 on error (pm_errno is set accordingly)
*/
-int SYMEXPORT alpm_pkg_load(const char *filename, pmpkg_t **pkg)
+int SYMEXPORT alpm_pkg_load(const char *filename, unsigned short full,
+ pmpkg_t **pkg)
{
_alpm_log(PM_LOG_FUNCTION, "enter alpm_pkg_load\n");
@@ -69,7 +72,7 @@ int SYMEXPORT alpm_pkg_load(const char *filename, pmpkg_t **pkg)
RET_ERR(PM_ERR_WRONG_ARGS, -1));
ASSERT(pkg != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1));
- *pkg = _alpm_pkg_load(filename);
+ *pkg = _alpm_pkg_load(filename, full);
if(*pkg == NULL) {
/* pm_errno is set by pkg_load */
return(-1);
@@ -870,13 +873,19 @@ static int parse_descfile(const char *descfile, pmpkg_t *info)
return(0);
}
-pmpkg_t *_alpm_pkg_load(const char *pkgfile)
+
+/**
+ * Load a package and create the corresponding pmpkg_t struct.
+ * @param pkgfile path to the package file
+ * @param full whether to stop the load after metadata is read or continue
+ * through the full archive
+ * @return An information filled pmpkg_t struct
+ */
+pmpkg_t *_alpm_pkg_load(const char *pkgfile, unsigned short full)
{
- char *expath;
int ret = ARCHIVE_OK;
int config = 0;
int filelist = 0;
- int scriptcheck = 0;
struct archive *archive;
struct archive_entry *entry;
pmpkg_t *info = NULL;
@@ -920,9 +929,9 @@ pmpkg_t *_alpm_pkg_load(const char *pkgfile)
* requires changes 'parse_descfile' as well
* */
- /* Read through the entire archive for metadata. We will continue reading
- * even if all metadata is found, to verify the integrity of the archive in
- * full */
+ /* If full is false, only read through the archive until we find our needed
+ * metadata. If it is true, read through the entire archive, which serves
+ * as a verfication of integrity. */
while((ret = archive_read_next_header (archive, &entry)) == ARCHIVE_OK) {
const char *entry_name = archive_entry_pathname(entry);
@@ -951,7 +960,6 @@ pmpkg_t *_alpm_pkg_load(const char *pkgfile)
continue;
} else if(strcmp(entry_name, ".INSTALL") == 0) {
info->scriptlet = 1;
- scriptcheck = 1;
} else if(strcmp(entry_name, ".FILELIST") == 0) {
/* Build info->files from the filelist */
FILE *fp;
@@ -983,10 +991,9 @@ pmpkg_t *_alpm_pkg_load(const char *pkgfile)
filelist = 1;
continue;
} else if(*entry_name == '.') {
- /* for now, ignore all files starting with '.' that haven't
- * already been handled (for future possibilities) */
+ /* for now, ignore all files starting with '.' that haven't
+ * already been handled (for future possibilities) */
} else {
- scriptcheck = 1;
/* Keep track of all files so we can generate a filelist later if missing */
all_files = alpm_list_add(all_files, strdup(entry_name));
}
@@ -996,9 +1003,14 @@ pmpkg_t *_alpm_pkg_load(const char *pkgfile)
pm_errno = PM_ERR_LIBARCHIVE_ERROR;
goto error;
}
- expath = NULL;
+
+ /* if we are not doing a full read, see if we have all we need */
+ if(!full && config && filelist) {
+ break;
+ }
}
- if(ret != ARCHIVE_EOF) { /* An error occured */
+
+ if(ret != ARCHIVE_EOF && ret != ARCHIVE_OK) { /* An error occured */
_alpm_log(PM_LOG_ERROR, _("error while reading package: %s\n"), archive_error_string(archive));
pm_errno = PM_ERR_LIBARCHIVE_ERROR;
goto error;
diff --git a/lib/libalpm/package.h b/lib/libalpm/package.h
index 30dd3961..47d384b6 100644
--- a/lib/libalpm/package.h
+++ b/lib/libalpm/package.h
@@ -94,7 +94,7 @@ pmpkg_t *_alpm_pkg_dup(pmpkg_t *pkg);
void _alpm_pkg_free(pmpkg_t *pkg);
int _alpm_pkg_cmp(const void *p1, const void *p2);
int alpm_pkg_compare_versions(pmpkg_t *local_pkg, pmpkg_t *pkg);
-pmpkg_t *_alpm_pkg_load(const char *pkgfile);
+pmpkg_t *_alpm_pkg_load(const char *pkgfile, unsigned short full);
pmpkg_t *_alpm_pkg_find(const char *needle, alpm_list_t *haystack);
int _alpm_pkg_istoonew(pmpkg_t *pkg);
void _alpm_pkg_update_requiredby(pmpkg_t *pkg);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 00:44:57 +0000