If we fell through to the ALPM_DEP_MOD_ANY case, ptr would be NULL, and
we would pass (0 - <str>), which is a rather large negative number or
bogus positive number, depending on signed/unsigned. Just use strdup in
the case where we don't have a ptr available.

Signed-off-by: Dan McGee <[email protected]>
---
 lib/libalpm/deps.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

diff --git a/lib/libalpm/deps.c b/lib/libalpm/deps.c
index 47b7637..e268157 100644
--- a/lib/libalpm/deps.c
+++ b/lib/libalpm/deps.c
@@ -441,7 +441,11 @@ alpm_depend_t *_alpm_splitdep(const char *depstring)
        }
 
        /* copy the right parts to the right places */
-       STRNDUP(depend->name, depstring, ptr - depstring, return NULL);
+       if(ptr) {
+               STRNDUP(depend->name, depstring, ptr - depstring, return NULL);
+       } else {
+               STRDUP(depend->name, depstring, return NULL);
+       }
        depend->name_hash = _alpm_hash_sdbm(depend->name);
        if(version) {
                STRDUP(depend->version, version, return NULL);
-- 
1.7.6


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