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authorUlrich Drepper <drepper@redhat.com>2006-08-29 01:44:27 +0000
committerUlrich Drepper <drepper@redhat.com>2006-08-29 01:44:27 +0000
commit950398e1320255572f4228db94344dcd5f613455 (patch)
treee7aad239a0d2810fbd4aa70930b2e6fe94e97a47 /elf/dl-load.c
parent4004a0a552ec2257d69d7bc1e1b6df7ad83c627d (diff)
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* elf/dl-load.c (_dl_init_paths): Expand DSTs.
Diffstat (limited to 'elf/dl-load.c')
-rw-r--r--elf/dl-load.c20
1 files changed, 19 insertions, 1 deletions
diff --git a/elf/dl-load.c b/elf/dl-load.c
index 902ffc4..36dc123 100644
--- a/elf/dl-load.c
+++ b/elf/dl-load.c
@@ -749,7 +749,25 @@ _dl_init_paths (const char *llp)
{
size_t nllp;
const char *cp = llp;
- char *llp_tmp = strdupa (llp);
+ char *llp_tmp;
+
+#ifdef SHARED
+ /* Expand DSTs. */
+ size_t cnt = DL_DST_COUNT (llp, 1);
+ if (__builtin_expect (cnt == 0, 1))
+ llp_tmp = strdupa (llp);
+ else
+ {
+ /* Determine the length of the substituted string. */
+ size_t total = DL_DST_REQUIRED (l, llp, strlen (llp), cnt);
+
+ /* Allocate the necessary memory. */
+ llp_tmp = (char *) alloca (total + 1);
+ llp_tmp = _dl_dst_substitute (l, llp, llp_tmp, 1);
+ }
+#else
+ llp_tmp = strdupa (llp);
+#endif
/* Decompose the LD_LIBRARY_PATH contents. First determine how many
elements it has. */