mirror/lwip
1
0
Fork 0
mirror of https://github.com/lwip-tcpip/lwip.git synced 2024-07-07 13:29:19 +00:00
Code Issues Packages Projects Releases Wiki Activity

pbuf_alloc() / pbuf_realloc(): added LWIP_DEBUG_ASSERT() and cast operator when assigning s32_t to u16_t to get rid of compiler warnings

Browse Source
This commit is contained in:
goldsimon 2007-04-30 11:56:48 +00:00
parent b462cb4575
commit cde6d0deed
1 changed files with 5 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/core/pbuf.c
View File

@ -290,9 +290,10 @@ pbuf_alloc(pbuf_layer l, u16_t length, pbuf_flag flag)
/* make previous pbuf point to this pbuf */
r->next = q;
/* set total length of this pbuf and next in chain */
q->tot_len = rem_len;
LWIP_DEBUG_ASSERT("rem_len < max_u16_t",rem_len < 0xffff);
q->tot_len = (u16_t)rem_len;
/* this pbuf length is pool size, unless smaller sized tail */
q->len = rem_len > PBUF_POOL_BUFSIZE? PBUF_POOL_BUFSIZE: rem_len;
q->len = rem_len > PBUF_POOL_BUFSIZE? PBUF_POOL_BUFSIZE: (u16_t)rem_len;
q->payload = (void *)((u8_t *)q + sizeof(struct pbuf));
LWIP_ASSERT("pbuf_alloc: pbuf q->payload properly aligned",
((mem_ptr_t)q->payload % MEM_ALIGNMENT) == 0);
@ -420,7 +421,8 @@ pbuf_realloc(struct pbuf *p, u16_t new_len)
/* decrease remaining length by pbuf length */
rem_len -= q->len;
/* decrease total length indicator */
q->tot_len += grow;
LWIP_DEBUG_ASSERT("grow < max_u16_t",grow < 0xffff);
q->tot_len += (u16_t)grow;
/* proceed to next pbuf in chain */
q = q->next;
}