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Missed a common case for needing to extend the buffer.

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(closes issue #14716)
 Reported by: sum
 Patches: 
       20090402__bug14716.diff.txt uploaded by tilghman (license 14)
 Tested by: sum


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@186021 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Tilghman Lesher
2009-04-02 15:14:22 +00:00
parent d99d2f22cd
commit 78aa171d6f
1 changed files with 2 additions and 1 deletions
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3
main/strings.c
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@@ -143,7 +143,8 @@ char *__ast_str_helper2(struct ast_str **buf, size_t maxlen, const char *src, si
maxlen--;
(*buf)->__AST_STR_USED++;
if (dynamic && (!maxlen || (escapecommas && !(maxlen - 1)))) {
if ((ptr >= (*buf)->__AST_STR_STR + (*buf)->__AST_STR_LEN - 3) ||
(dynamic && (!maxlen || (escapecommas && !(maxlen - 1))))) {
char *oldbase = (*buf)->__AST_STR_STR;
size_t old = (*buf)->__AST_STR_LEN;
if (ast_str_make_space(buf, (*buf)->__AST_STR_LEN * 2)) {