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Clean up and ensure proper usage of alloca()

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This replaces all calls to alloca() with ast_alloca() which calls gcc's
__builtin_alloca() to avoid BSD semantics and removes all NULL checks
on memory allocated via ast_alloca() and ast_strdupa().

(closes issue ASTERISK-20125)
Review: https://reviewboard.asterisk.org/r/2032/
Patch-by: Walter Doekes (wdoekes)
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Merged revisions 370642 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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Merged revisions 370643 from http://svn.asterisk.org/svn/asterisk/branches/10


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@370655 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Kinsey Moore
2012-07-31 20:21:43 +00:00
parent 6c23a60f80
commit 9b16c8b0f6
64 changed files with 317 additions and 399 deletions
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4
cdr/cdr_pgsql.c
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@@ -617,7 +617,7 @@ static int config_module(int reload)
if (strchr(schemaname, '\\') || strchr(schemaname, '\'')) {
char *tmp = schemaname, *ptr;
ptr = schemaname = alloca(strlen(tmp) * 2 + 1);
ptr = schemaname = ast_alloca(strlen(tmp) * 2 + 1);
for (; *tmp; tmp++) {
if (strchr("\\'", *tmp)) {
*ptr++ = *tmp;
@@ -630,7 +630,7 @@ static int config_module(int reload)
if (strchr(tablename, '\\') || strchr(tablename, '\'')) {
char *tmp = tablename, *ptr;
ptr = tablename = alloca(strlen(tmp) * 2 + 1);
ptr = tablename = ast_alloca(strlen(tmp) * 2 + 1);
for (; *tmp; tmp++) {
if (strchr("\\'", *tmp)) {
*ptr++ = *tmp;