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(grow_descr): increment the size after we succeed to allocate the space

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git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@12617 ec53bebd-3082-4978-b11e-865c3cabbd6b
This commit is contained in:
Love Hörnquist Åstrand
2003-08-23 20:15:39 +00:00
parent b5c8e15bf2
commit 2a54d3bcb1
1 changed files with 7 additions and 5 deletions
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12
kdc/connect.c
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@@ -547,21 +547,23 @@ grow_descr (struct descr *d, size_t n)
{ {
if (d->size - d->len < n) { if (d->size - d->len < n) {
unsigned char *tmp; unsigned char *tmp;
size_t grow;
d->size += max(1024, d->len + n); grow = max(1024, d->len + n);
if (d->size >= max_request) { if (d->size + grow > max_request) {
kdc_log(0, "Request exceeds max request size (%lu bytes).", kdc_log(0, "Request exceeds max request size (%lu bytes).",
(unsigned long)d->size); (unsigned long)d->size + grow);
clear_descr(d); clear_descr(d);
return -1; return -1;
} }
tmp = realloc (d->buf, d->size); tmp = realloc (d->buf, d->size + grow);
if (tmp == NULL) { if (tmp == NULL) {
kdc_log(0, "Failed to re-allocate %lu bytes.", kdc_log(0, "Failed to re-allocate %lu bytes.",
(unsigned long)d->size); (unsigned long)d->size + grow);
clear_descr(d); clear_descr(d);
return -1; return -1;
} }
d->size += grow;
d->buf = tmp; d->buf = tmp;
} }
return 0; return 0;