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cmd: Fix potential memory leak

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Signed-off-by: Pavel Borzenkov <pavel.borzenkov@gmail.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
This commit is contained in:
Pavel Borzenkov 2011-10-31 22:53:38 +04:00 committed by Stefan Hajnoczi
parent ba7806ad92
commit 47e8dd8fe9
1 changed files with 7 additions and 2 deletions
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9
cmd.c
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@ -329,16 +329,21 @@ char **breakline(char *input, int *count)
int c = 0; int c = 0;
char *p; char *p;
char **rval = calloc(sizeof(char *), 1); char **rval = calloc(sizeof(char *), 1);
char **tmp;
while (rval && (p = qemu_strsep(&input, " ")) != NULL) { while (rval && (p = qemu_strsep(&input, " ")) != NULL) {
if (!*p) { if (!*p) {
continue; continue;
} }
c++; c++;
rval = realloc(rval, sizeof(*rval) * (c + 1)); tmp = realloc(rval, sizeof(*rval) * (c + 1));
if (!rval) { if (!tmp) {
free(rval);
rval = NULL;
c = 0; c = 0;
break; break;
} else {
rval = tmp;
} }
rval[c - 1] = p; rval[c - 1] = p;
rval[c] = NULL; rval[c] = NULL;