* pbuf.c: Use s32_t in pbuf_realloc(), as an s16_t can't reliably hold

the difference between two u16_t's.
19 years ago · cd19d81411
2 changed files with 5 additions and 1 deletions
--- a/4
+++ b/4
@ -117,6 +117,10 @@ HISTORY

  ++ Bug fixes:

+  2007-04-17 Jonathan Larmour
+  * pbuf.c: Use s32_t in pbuf_realloc(), as an s16_t can't reliably hold
+  the difference between two u16_t's.
+
  2007-04-12 Jonathan Larmour
  * icmp.c: Reset IP header TTL in ICMP ECHO responses (bug #19580).

--- a/src/core/pbuf.c
+++ b/src/core/pbuf.c
@ -395,7 +395,7 @@ pbuf_realloc(struct pbuf *p, u16_t new_len)
 {
  struct pbuf *q;
  u16_t rem_len; /* remaining length */
-  s16_t grow;
+  s32_t grow;

  LWIP_ASSERT("pbuf_realloc: sane p->flags", p->flags == PBUF_FLAG_POOL ||
              p->flags == PBUF_FLAG_ROM ||