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tab completion on show dialplan from -r asterisk with large extensions.conf will segfault (bug #2634)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/v1-0@4008 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2004-10-14 22:51:14 +00:00
parent f85277c7b3
commit 2423b41fd9
1 changed files with 12 additions and 6 deletions
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18
cli.c
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@@ -437,11 +437,11 @@ static char *__ast_cli_generator(char *text, char *word, int state, int lock);
static int handle_commandmatchesarray(int fd, int argc, char *argv[]) static int handle_commandmatchesarray(int fd, int argc, char *argv[])
{ {
char *buf; char *buf, *obuf;
int buflen = 2048; int buflen = 2048;
int len = 0; int len = 0;
char **matches; char **matches;
int x; int x, matchlen;
if (argc != 4) if (argc != 4)
return RESULT_SHOWUSAGE; return RESULT_SHOWUSAGE;
@@ -455,11 +455,17 @@ static int handle_commandmatchesarray(int fd, int argc, char *argv[])
#if 0 #if 0
printf("command matchesarray for '%s' %s got '%s'\n", argv[2], argv[3], matches[x]); printf("command matchesarray for '%s' %s got '%s'\n", argv[2], argv[3], matches[x]);
#endif #endif
if (len + strlen(matches[x]) >= buflen) { matchlen = strlen(matches[x]) + 1;
buflen += strlen(matches[x]) * 3; if (len + matchlen >= buflen) {
buf = realloc(buf, buflen); buflen += matchlen * 3;
obuf = buf;
buf = realloc(obuf, buflen);
if (!buf)
/* Out of memory... Just free old buffer and be done */
free(obuf);
} }
len += sprintf( buf + len, "%s ", matches[x]); if (buf)
len += sprintf( buf + len, "%s ", matches[x]);
free(matches[x]); free(matches[x]);
matches[x] = NULL; matches[x] = NULL;
} }