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| author | Benny Prijono <bennylp@teluu.com> | 2009-06-25 13:29:52 +0000 |
|---|---|---|
| committer | Benny Prijono <bennylp@teluu.com> | 2009-06-25 13:29:52 +0000 |
| commit | 3c973d3f99b2b4e458b8b95dc9aff90e934d06e5 (patch) | |
| tree | eca20dda37920d97d0a651cb8e9ffd23e58758f4 | |
| parent | 1028a42bfdd13453b39c3a19ebc59959df565bec (diff) | |
Ticket #773 (misc fixes): backported changes from #838:
- from r2749: protect pj_strdup() for case when source and destination string are the same pointer. Without this, destination string will contain garbage value.
git-svn-id: http://svn.pjsip.org/repos/pjproject/branches/1.0@2819 74dad513-b988-da41-8d7b-12977e46ad98
| -rw-r--r-- | pjlib/include/pj/string_i.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/pjlib/include/pj/string_i.h b/pjlib/include/pj/string_i.h index 1dcce8d6..f7e72eb9 100644 --- a/pjlib/include/pj/string_i.h +++ b/pjlib/include/pj/string_i.h @@ -32,6 +32,10 @@ PJ_IDEF(pj_str_t*) pj_strdup(pj_pool_t *pool, pj_str_t *dst, const pj_str_t *src) { + /* Without this, destination will be corrupted */ + if (dst == src) + return dst; + if (src->slen) { dst->ptr = (char*)pj_pool_alloc(pool, src->slen); pj_memcpy(dst->ptr, src->ptr, src->slen); |