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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
main/config.c
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@@ -118,7 +118,7 @@ static void CB_ADD(struct ast_str **cb, const char *str)
static void CB_ADD_LEN(struct ast_str **cb, const char *str, int len)
{
char *s = alloca(len + 1);
char *s = ast_alloca(len + 1);
ast_copy_string(s, str, len);
ast_str_append(cb, 0, "%s", str);
}
@@ -3099,7 +3099,7 @@ static char *handle_cli_config_reload(struct ast_cli_entry *e, int cmd, struct a
AST_LIST_LOCK(&cfmtime_head);
AST_LIST_TRAVERSE(&cfmtime_head, cfmtime, list) {
if (!strcmp(cfmtime->filename, a->argv[2])) {
char *buf = alloca(strlen("module reload ") + strlen(cfmtime->who_asked) + 1);
char *buf = ast_alloca(strlen("module reload ") + strlen(cfmtime->who_asked) + 1);
sprintf(buf, "module reload %s", cfmtime->who_asked);
ast_cli_command(a->fd, buf);
}