[sr-dev] git:4.0: mem: malloc(0) should return a valid pointer for free according to specs

Module: sip-router Branch: 4.0 Commit: e605174dab9b86ce06689d184b4b9d81288f1193 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=e605174… Author: Daniel-Constantin Mierla <miconda(a)gmail.com> Committer: Daniel-Constantin Mierla <miconda(a)gmail.com> Date: Mon Dec 2 20:42:12 2013 +0100 mem: malloc(0) should return a valid pointer for free according to specs (cherry picked from commit f61ff34aac7c7bae3a96fb698a899c8a0e692a9f) --- mem/f_malloc.c | 2 ++ mem/q_malloc.c | 2 ++ 2 files changed, 4 insertions(+), 0 deletions(-) diff --git a/mem/f_malloc.c b/mem/f_malloc.c index 008874b..7a0e115 100644 --- a/mem/f_malloc.c +++ b/mem/f_malloc.c @@ -361,6 +361,8 @@ void* fm_malloc(struct fm_block* qm, unsigned long size) MDBG("fm_malloc(%p, %lu) called from %s: %s(%d)\n", qm, size, file, func, line); #endif + /*malloc(0) should return a valid pointer according to specs*/ + if(unlikely(size==0)) size=4; /*size must be a multiple of 8*/ size=ROUNDUP(size); /* if (size>(qm->size-qm->real_used)) return 0; */ diff --git a/mem/q_malloc.c b/mem/q_malloc.c index bfa46fd..50acab9 100644 --- a/mem/q_malloc.c +++ b/mem/q_malloc.c @@ -368,6 +368,8 @@ void* qm_malloc(struct qm_block* qm, unsigned long size) MDBG("qm_malloc(%p, %lu) called from %s: %s(%d)\n", qm, size, file, func, line); #endif + /*malloc(0) should return a valid pointer according to specs*/ + if(unlikely(size==0)) size=4; /*size must be a multiple of 8*/ size=ROUNDUP(size); if (size>(qm->size-qm->real_used)) return 0;