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-rw-r--r--AuRead.c55
1 files changed, 28 insertions, 27 deletions
diff --git a/AuRead.c b/AuRead.c
index 65cabde..93774b0 100644
--- a/AuRead.c
+++ b/AuRead.c
@@ -73,43 +73,44 @@ read_counted_string (unsigned short *countp, char **stringp, FILE *file)
Xauth *
XauReadAuth (FILE *auth_file)
{
- Xauth local;
+ Xauth local = { 0, 0, NULL, 0, NULL, 0, NULL, 0, NULL };
Xauth *ret;
- if (read_short (&local.family, auth_file) == 0)
- return NULL;
- if (read_counted_string (&local.address_length, &local.address, auth_file) == 0)
- return NULL;
- if (read_counted_string (&local.number_length, &local.number, auth_file) == 0) {
- free (local.address);
- return NULL;
+ if (read_short (&local.family, auth_file) == 0) {
+ goto fail;
+ }
+ if (read_counted_string (&local.address_length, &local.address, auth_file)
+ == 0) {
+ goto fail;
+ }
+ if (read_counted_string (&local.number_length, &local.number, auth_file)
+ == 0) {
+ goto fail;
}
if (read_counted_string (&local.name_length, &local.name, auth_file) == 0) {
- free (local.address);
- free (local.number);
- return NULL;
+ goto fail;
}
if (read_counted_string (&local.data_length, &local.data, auth_file) == 0) {
- free (local.address);
- free (local.number);
- free (local.name);
- return NULL;
+ goto fail;
}
ret = malloc (sizeof (Xauth));
- if (!ret) {
- free (local.address);
- free (local.number);
- free (local.name);
- if (local.data) {
+ if (ret == NULL) {
+ goto fail;
+ }
+ *ret = local;
+ return ret;
+
+ fail:
+ free (local.address);
+ free (local.number);
+ free (local.name);
+ if (local.data) {
#ifdef HAVE_EXPLICIT_BZERO
- explicit_bzero (local.data, local.data_length);
+ explicit_bzero (local.data, local.data_length);
#else
- bzero (local.data, local.data_length);
+ bzero (local.data, local.data_length);
#endif
- free (local.data);
- }
- return NULL;
+ free (local.data);
}
- *ret = local;
- return ret;
+ return NULL;
}