mirror of
https://github.com/lwip-tcpip/lwip.git
synced 2024-12-25 00:14:02 +00:00
Fix bug #54327: V2.1.0rc1 pbuf.c misses stdint.h include
This commit is contained in:
Dirk Ziegelmeier
parent
cd1dd4f5b1
commit
4e74421dac
202
src/core/pbuf.c
202
src/core/pbuf.c
@ -70,13 +70,13 @@
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#include "lwip/opt.h"
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#include "lwip/pbuf.h"
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#include "lwip/stats.h"
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#include "lwip/def.h"
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#include "lwip/mem.h"
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#include "lwip/memp.h"
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#include "lwip/sys.h"
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#include "lwip/netif.h"
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#include "lwip/pbuf.h"
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#include "lwip/stats.h"
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#include "lwip/sys.h"
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#if LWIP_TCP && TCP_QUEUE_OOSEQ
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#include "lwip/priv/tcp_priv.h"
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#endif
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@ -86,7 +86,7 @@
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#include <string.h>
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#define SIZEOF_STRUCT_PBUF LWIP_MEM_ALIGN_SIZE(sizeof(struct pbuf))
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#define SIZEOF_STRUCT_PBUF LWIP_MEM_ALIGN_SIZE(sizeof(struct pbuf))
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/* Since the pool is created in memp, PBUF_POOL_BUFSIZE will be automatically
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aligned there. Therefore, PBUF_POOL_BUFSIZE_ALIGNED can be used here. */
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#define PBUF_POOL_BUFSIZE_ALIGNED LWIP_MEM_ALIGN_SIZE(PBUF_POOL_BUFSIZE)
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@ -101,12 +101,14 @@ pbuf_skip_const(const struct pbuf *in, u16_t in_offset, u16_t *out_offset);
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#if !NO_SYS
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#ifndef PBUF_POOL_FREE_OOSEQ_QUEUE_CALL
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#include "lwip/tcpip.h"
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#define PBUF_POOL_FREE_OOSEQ_QUEUE_CALL() do { \
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if (tcpip_try_callback(pbuf_free_ooseq_callback, NULL) != ERR_OK) { \
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SYS_ARCH_PROTECT(old_level); \
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pbuf_free_ooseq_pending = 0; \
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SYS_ARCH_UNPROTECT(old_level); \
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} } while(0)
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#define PBUF_POOL_FREE_OOSEQ_QUEUE_CALL() \
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do { \
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if (tcpip_try_callback(pbuf_free_ooseq_callback, NULL) != ERR_OK) { \
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SYS_ARCH_PROTECT(old_level); \
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pbuf_free_ooseq_pending = 0; \
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SYS_ARCH_UNPROTECT(old_level); \
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} \
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} while (0)
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#endif /* PBUF_POOL_FREE_OOSEQ_QUEUE_CALL */
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#endif /* !NO_SYS */
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@ -124,8 +126,8 @@ volatile u8_t pbuf_free_ooseq_pending;
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#if !NO_SYS
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static
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#endif /* !NO_SYS */
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void
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pbuf_free_ooseq(void)
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void
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pbuf_free_ooseq(void)
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{
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struct tcp_pcb *pcb;
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SYS_ARCH_SET(pbuf_free_ooseq_pending, 0);
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@ -158,11 +160,11 @@ pbuf_pool_is_empty(void)
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{
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#ifndef PBUF_POOL_FREE_OOSEQ_QUEUE_CALL
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SYS_ARCH_SET(pbuf_free_ooseq_pending, 1);
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#else /* PBUF_POOL_FREE_OOSEQ_QUEUE_CALL */
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#else /* PBUF_POOL_FREE_OOSEQ_QUEUE_CALL */
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u8_t queued;
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SYS_ARCH_DECL_PROTECT(old_level);
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SYS_ARCH_PROTECT(old_level);
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queued = pbuf_free_ooseq_pending;
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queued = pbuf_free_ooseq_pending;
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pbuf_free_ooseq_pending = 1;
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SYS_ARCH_UNPROTECT(old_level);
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@ -178,14 +180,14 @@ pbuf_pool_is_empty(void)
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static void
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pbuf_init_alloced_pbuf(struct pbuf *p, void *payload, u16_t tot_len, u16_t len, pbuf_type type, u8_t flags)
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{
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p->next = NULL;
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p->payload = payload;
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p->tot_len = tot_len;
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p->len = len;
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p->next = NULL;
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p->payload = payload;
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p->tot_len = tot_len;
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p->len = len;
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p->type_internal = (u8_t)type;
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p->flags = flags;
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p->ref = 1;
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p->if_idx = NETIF_NO_INDEX;
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p->flags = flags;
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p->ref = 1;
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p->if_idx = NETIF_NO_INDEX;
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}
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/**
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@ -225,7 +227,7 @@ pbuf_alloc(pbuf_layer layer, u16_t length, pbuf_type type)
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{
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struct pbuf *p;
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u16_t offset = (u16_t)layer;
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LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_alloc(length=%"U16_F")\n", length));
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LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_alloc(length=%" U16_F ")\n", length));
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switch (type) {
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case PBUF_REF: /* fall through */
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@ -235,8 +237,8 @@ pbuf_alloc(pbuf_layer layer, u16_t length, pbuf_type type)
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case PBUF_POOL: {
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struct pbuf *q, *last;
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u16_t rem_len; /* remaining length */
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p = NULL;
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last = NULL;
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p = NULL;
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last = NULL;
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rem_len = length;
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do {
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u16_t qlen;
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@ -251,12 +253,11 @@ pbuf_alloc(pbuf_layer layer, u16_t length, pbuf_type type)
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return NULL;
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}
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qlen = LWIP_MIN(rem_len, (u16_t)(PBUF_POOL_BUFSIZE_ALIGNED - LWIP_MEM_ALIGN_SIZE(offset)));
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pbuf_init_alloced_pbuf(q, LWIP_MEM_ALIGN((void *)((u8_t *)q + SIZEOF_STRUCT_PBUF + offset)),
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rem_len, qlen, type, 0);
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LWIP_ASSERT("pbuf_alloc: pbuf q->payload properly aligned",
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((mem_ptr_t)q->payload % MEM_ALIGNMENT) == 0);
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pbuf_init_alloced_pbuf(
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q, LWIP_MEM_ALIGN((void *)((u8_t *)q + SIZEOF_STRUCT_PBUF + offset)), rem_len, qlen, type, 0);
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LWIP_ASSERT("pbuf_alloc: pbuf q->payload properly aligned", ((mem_ptr_t)q->payload % MEM_ALIGNMENT) == 0);
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LWIP_ASSERT("PBUF_POOL_BUFSIZE must be bigger than MEM_ALIGNMENT",
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(PBUF_POOL_BUFSIZE_ALIGNED - LWIP_MEM_ALIGN_SIZE(offset)) > 0 );
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(PBUF_POOL_BUFSIZE_ALIGNED - LWIP_MEM_ALIGN_SIZE(offset)) > 0);
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if (p == NULL) {
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/* allocated head of pbuf chain (into p) */
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p = q;
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@ -264,19 +265,18 @@ pbuf_alloc(pbuf_layer layer, u16_t length, pbuf_type type)
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/* make previous pbuf point to this pbuf */
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last->next = q;
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}
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last = q;
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last = q;
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rem_len = (u16_t)(rem_len - qlen);
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offset = 0;
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offset = 0;
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} while (rem_len > 0);
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break;
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}
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case PBUF_RAM: {
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u16_t payload_len = (u16_t)(LWIP_MEM_ALIGN_SIZE(offset) + LWIP_MEM_ALIGN_SIZE(length));
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u16_t payload_len = (u16_t)(LWIP_MEM_ALIGN_SIZE(offset) + LWIP_MEM_ALIGN_SIZE(length));
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mem_size_t alloc_len = (mem_size_t)(LWIP_MEM_ALIGN_SIZE(SIZEOF_STRUCT_PBUF) + payload_len);
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/* bug #50040: Check for integer overflow when calculating alloc_len */
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if ((payload_len < LWIP_MEM_ALIGN_SIZE(length)) ||
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(alloc_len < LWIP_MEM_ALIGN_SIZE(length))) {
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if ((payload_len < LWIP_MEM_ALIGN_SIZE(length)) || (alloc_len < LWIP_MEM_ALIGN_SIZE(length))) {
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return NULL;
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}
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@ -285,17 +285,16 @@ pbuf_alloc(pbuf_layer layer, u16_t length, pbuf_type type)
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if (p == NULL) {
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return NULL;
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}
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pbuf_init_alloced_pbuf(p, LWIP_MEM_ALIGN((void *)((u8_t *)p + SIZEOF_STRUCT_PBUF + offset)),
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length, length, type, 0);
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LWIP_ASSERT("pbuf_alloc: pbuf->payload properly aligned",
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((mem_ptr_t)p->payload % MEM_ALIGNMENT) == 0);
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pbuf_init_alloced_pbuf(
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p, LWIP_MEM_ALIGN((void *)((u8_t *)p + SIZEOF_STRUCT_PBUF + offset)), length, length, type, 0);
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LWIP_ASSERT("pbuf_alloc: pbuf->payload properly aligned", ((mem_ptr_t)p->payload % MEM_ALIGNMENT) == 0);
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break;
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}
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default:
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LWIP_ASSERT("pbuf_alloc: erroneous type", 0);
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return NULL;
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}
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LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_alloc(length=%"U16_F") == %p\n", length, (void *)p));
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LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_alloc(length=%" U16_F ") == %p\n", length, (void *)p));
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return p;
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}
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@ -331,16 +330,15 @@ pbuf_alloc_reference(void *payload, u16_t length, pbuf_type type)
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/* only allocate memory for the pbuf structure */
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p = (struct pbuf *)memp_malloc(MEMP_PBUF);
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if (p == NULL) {
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LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_LEVEL_SERIOUS,
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("pbuf_alloc_reference: Could not allocate MEMP_PBUF for PBUF_%s.\n",
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(type == PBUF_ROM) ? "ROM" : "REF"));
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LWIP_DEBUGF(
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PBUF_DEBUG | LWIP_DBG_LEVEL_SERIOUS,
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("pbuf_alloc_reference: Could not allocate MEMP_PBUF for PBUF_%s.\n", (type == PBUF_ROM) ? "ROM" : "REF"));
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return NULL;
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}
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pbuf_init_alloced_pbuf(p, payload, length, length, type, 0);
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return p;
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}
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#if LWIP_SUPPORT_CUSTOM_PBUF
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/**
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* @ingroup pbuf
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@ -360,15 +358,20 @@ pbuf_alloc_reference(void *payload, u16_t length, pbuf_type type)
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* big enough to hold 'length' plus the header size
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*/
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struct pbuf *
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pbuf_alloced_custom(pbuf_layer l, u16_t length, pbuf_type type, struct pbuf_custom *p,
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void *payload_mem, u16_t payload_mem_len)
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pbuf_alloced_custom(pbuf_layer l,
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u16_t length,
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pbuf_type type,
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struct pbuf_custom *p,
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void *payload_mem,
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u16_t payload_mem_len)
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{
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u16_t offset = (u16_t)l;
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void *payload;
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LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_alloced_custom(length=%"U16_F")\n", length));
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LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_alloced_custom(length=%" U16_F ")\n", length));
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if (LWIP_MEM_ALIGN_SIZE(offset) + length > payload_mem_len) {
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LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_LEVEL_WARNING, ("pbuf_alloced_custom(length=%"U16_F") buffer too short\n", length));
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LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_LEVEL_WARNING,
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("pbuf_alloced_custom(length=%" U16_F ") buffer too short\n", length));
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return NULL;
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}
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@ -419,7 +422,7 @@ pbuf_realloc(struct pbuf *p, u16_t new_len)
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/* first, step over any pbufs that should remain in the chain */
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rem_len = new_len;
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q = p;
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q = p;
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/* should this pbuf be kept? */
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while (rem_len > q->len) {
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/* decrease remaining length by pbuf length */
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@ -439,13 +442,13 @@ pbuf_realloc(struct pbuf *p, u16_t new_len)
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#if LWIP_SUPPORT_CUSTOM_PBUF
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&& ((q->flags & PBUF_FLAG_IS_CUSTOM) == 0)
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#endif /* LWIP_SUPPORT_CUSTOM_PBUF */
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) {
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) {
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/* reallocate and adjust the length of the pbuf that will be split */
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q = (struct pbuf *)mem_trim(q, (mem_size_t)(((u8_t *)q->payload - (u8_t *)q) + rem_len));
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LWIP_ASSERT("mem_trim returned q == NULL", q != NULL);
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}
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/* adjust length fields for new last pbuf */
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q->len = rem_len;
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q->len = rem_len;
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q->tot_len = q->len;
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/* any remaining pbufs in chain? */
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@ -455,7 +458,6 @@ pbuf_realloc(struct pbuf *p, u16_t new_len)
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}
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/* q is last packet in chain */
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q->next = NULL;
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}
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/**
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@ -498,9 +500,10 @@ pbuf_add_header_impl(struct pbuf *p, size_t header_size_increment, u8_t force)
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payload = (u8_t *)p->payload - header_size_increment;
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/* boundary check fails? */
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if ((u8_t *)payload < (u8_t *)p + SIZEOF_STRUCT_PBUF) {
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LWIP_DEBUGF( PBUF_DEBUG | LWIP_DBG_TRACE,
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("pbuf_add_header: failed as %p < %p (not enough space for new header size)\n",
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(void *)payload, (void *)((u8_t *)p + SIZEOF_STRUCT_PBUF)));
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LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE,
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("pbuf_add_header: failed as %p < %p (not enough space for new header size)\n",
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(void *)payload,
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(void *)((u8_t *)p + SIZEOF_STRUCT_PBUF)));
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/* bail out unsuccessfully */
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return 1;
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}
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@ -515,15 +518,15 @@ pbuf_add_header_impl(struct pbuf *p, size_t header_size_increment, u8_t force)
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return 1;
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}
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}
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LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_add_header: old %p new %p (%"U16_F")\n",
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(void *)p->payload, (void *)payload, increment_magnitude));
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LWIP_DEBUGF(
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PBUF_DEBUG | LWIP_DBG_TRACE,
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("pbuf_add_header: old %p new %p (%" U16_F ")\n", (void *)p->payload, (void *)payload, increment_magnitude));
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/* modify pbuf fields */
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p->payload = payload;
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p->len = (u16_t)(p->len + increment_magnitude);
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p->len = (u16_t)(p->len + increment_magnitude);
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p->tot_len = (u16_t)(p->tot_len + increment_magnitude);
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return 0;
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}
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@ -603,11 +606,12 @@ pbuf_remove_header(struct pbuf *p, size_t header_size_decrement)
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/* increase payload pointer (guarded by length check above) */
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p->payload = (u8_t *)p->payload + header_size_decrement;
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/* modify pbuf length fields */
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p->len = (u16_t)(p->len - increment_magnitude);
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p->len = (u16_t)(p->len - increment_magnitude);
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p->tot_len = (u16_t)(p->tot_len - increment_magnitude);
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LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_remove_header: old %p new %p (%"U16_F")\n",
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(void *)payload, (void *)p->payload, increment_magnitude));
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LWIP_DEBUGF(
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PBUF_DEBUG | LWIP_DBG_TRACE,
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("pbuf_remove_header: old %p new %p (%" U16_F ")\n", (void *)payload, (void *)p->payload, increment_magnitude));
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return 0;
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}
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@ -616,7 +620,7 @@ static u8_t
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pbuf_header_impl(struct pbuf *p, s16_t header_size_increment, u8_t force)
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{
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if (header_size_increment < 0) {
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return pbuf_remove_header(p, (size_t) - header_size_increment);
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return pbuf_remove_header(p, (size_t)-header_size_increment);
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} else {
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return pbuf_add_header_impl(p, (size_t)header_size_increment, force);
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}
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@ -670,14 +674,14 @@ pbuf_header_force(struct pbuf *p, s16_t header_size_increment)
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struct pbuf *
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pbuf_free_header(struct pbuf *q, u16_t size)
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{
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struct pbuf *p = q;
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struct pbuf *p = q;
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u16_t free_left = size;
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while (free_left && p) {
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if (free_left >= p->len) {
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struct pbuf *f = p;
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free_left = (u16_t)(free_left - p->len);
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p = p->next;
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f->next = 0;
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free_left = (u16_t)(free_left - p->len);
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p = p->next;
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f->next = 0;
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pbuf_free(f);
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} else {
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pbuf_remove_header(p, free_left);
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@ -731,8 +735,7 @@ pbuf_free(struct pbuf *p)
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if (p == NULL) {
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LWIP_ASSERT("p != NULL", p != NULL);
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/* if assertions are disabled, proceed with debug output */
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LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_LEVEL_SERIOUS,
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("pbuf_free(p == NULL) was called.\n"));
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LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_LEVEL_SERIOUS, ("pbuf_free(p == NULL) was called.\n"));
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return 0;
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}
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LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_free(%p)\n", (void *)p));
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@ -758,7 +761,7 @@ pbuf_free(struct pbuf *p)
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if (ref == 0) {
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/* remember next pbuf in chain for next iteration */
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q = p->next;
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LWIP_DEBUGF( PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_free: deallocating %p\n", (void *)p));
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LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_free: deallocating %p\n", (void *)p));
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alloc_src = pbuf_get_allocsrc(p);
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#if LWIP_SUPPORT_CUSTOM_PBUF
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/* is this a custom pbuf? */
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@ -789,7 +792,8 @@ pbuf_free(struct pbuf *p)
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/* p->ref > 0, this pbuf is still referenced to */
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/* (and so the remaining pbufs in chain as well) */
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} else {
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LWIP_DEBUGF( PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_free: %p has ref %"U16_F", ending here.\n", (void *)p, (u16_t)ref));
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LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE,
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("pbuf_free: %p has ref %" U16_F ", ending here.\n", (void *)p, (u16_t)ref));
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/* stop walking through the chain */
|
||||
p = NULL;
|
||||
}
|
||||
@ -854,8 +858,7 @@ pbuf_cat(struct pbuf *h, struct pbuf *t)
|
||||
{
|
||||
struct pbuf *p;
|
||||
|
||||
LWIP_ERROR("(h != NULL) && (t != NULL) (programmer violates API)",
|
||||
((h != NULL) && (t != NULL)), return;);
|
||||
LWIP_ERROR("(h != NULL) && (t != NULL) (programmer violates API)", ((h != NULL) && (t != NULL)), return;);
|
||||
|
||||
/* proceed to last pbuf of chain */
|
||||
for (p = h; p->next != NULL; p = p->next) {
|
||||
@ -962,12 +965,12 @@ pbuf_copy(struct pbuf *p_to, const struct pbuf *p_from)
|
||||
{
|
||||
size_t offset_to = 0, offset_from = 0, len;
|
||||
|
||||
LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_copy(%p, %p)\n",
|
||||
(const void *)p_to, (const void *)p_from));
|
||||
LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_copy(%p, %p)\n", (const void *)p_to, (const void *)p_from));
|
||||
|
||||
/* is the target big enough to hold the source? */
|
||||
LWIP_ERROR("pbuf_copy: target not big enough to hold source", ((p_to != NULL) &&
|
||||
(p_from != NULL) && (p_to->tot_len >= p_from->tot_len)), return ERR_ARG;);
|
||||
LWIP_ERROR("pbuf_copy: target not big enough to hold source",
|
||||
((p_to != NULL) && (p_from != NULL) && (p_to->tot_len >= p_from->tot_len)),
|
||||
return ERR_ARG;);
|
||||
|
||||
/* iterate through pbuf chain */
|
||||
do {
|
||||
@ -987,24 +990,22 @@ pbuf_copy(struct pbuf *p_to, const struct pbuf *p_from)
|
||||
if (offset_from >= p_from->len) {
|
||||
/* on to next p_from (if any) */
|
||||
offset_from = 0;
|
||||
p_from = p_from->next;
|
||||
p_from = p_from->next;
|
||||
}
|
||||
if (offset_to == p_to->len) {
|
||||
/* on to next p_to (if any) */
|
||||
offset_to = 0;
|
||||
p_to = p_to->next;
|
||||
p_to = p_to->next;
|
||||
LWIP_ERROR("p_to != NULL", (p_to != NULL) || (p_from == NULL), return ERR_ARG;);
|
||||
}
|
||||
|
||||
if ((p_from != NULL) && (p_from->len == p_from->tot_len)) {
|
||||
/* don't copy more than one packet! */
|
||||
LWIP_ERROR("pbuf_copy() does not allow packet queues!",
|
||||
(p_from->next == NULL), return ERR_VAL;);
|
||||
LWIP_ERROR("pbuf_copy() does not allow packet queues!", (p_from->next == NULL), return ERR_VAL;);
|
||||
}
|
||||
if ((p_to != NULL) && (p_to->len == p_to->tot_len)) {
|
||||
/* don't copy more than one packet! */
|
||||
LWIP_ERROR("pbuf_copy() does not allow packet queues!",
|
||||
(p_to->next == NULL), return ERR_VAL;);
|
||||
LWIP_ERROR("pbuf_copy() does not allow packet queues!", (p_to->next == NULL), return ERR_VAL;);
|
||||
}
|
||||
} while (p_from);
|
||||
LWIP_DEBUGF(PBUF_DEBUG | LWIP_DBG_TRACE, ("pbuf_copy: end of chain reached.\n"));
|
||||
@ -1048,9 +1049,9 @@ pbuf_copy_partial(const struct pbuf *buf, void *dataptr, u16_t len, u16_t offset
|
||||
/* copy the necessary parts of the buffer */
|
||||
MEMCPY(&((char *)dataptr)[left], &((char *)p->payload)[offset], buf_copy_len);
|
||||
copied_total = (u16_t)(copied_total + buf_copy_len);
|
||||
left = (u16_t)(left + buf_copy_len);
|
||||
len = (u16_t)(len - buf_copy_len);
|
||||
offset = 0;
|
||||
left = (u16_t)(left + buf_copy_len);
|
||||
len = (u16_t)(len - buf_copy_len);
|
||||
offset = 0;
|
||||
}
|
||||
}
|
||||
return copied_total;
|
||||
@ -1074,7 +1075,7 @@ void *
|
||||
pbuf_get_contiguous(const struct pbuf *p, void *buffer, size_t bufsize, u16_t len, u16_t offset)
|
||||
{
|
||||
const struct pbuf *q;
|
||||
uint16_t out_offset;
|
||||
u16_t out_offset;
|
||||
|
||||
LWIP_ERROR("pbuf_get_contiguous: invalid buf", (p != NULL), return NULL;);
|
||||
LWIP_ERROR("pbuf_get_contiguous: invalid dataptr", (buffer != NULL), return NULL;);
|
||||
@ -1110,19 +1111,20 @@ pbuf_get_contiguous(const struct pbuf *p, void *buffer, size_t bufsize, u16_t le
|
||||
* @param p the pbuf queue to be split
|
||||
* @param rest pointer to store the remainder (after the first 64K)
|
||||
*/
|
||||
void pbuf_split_64k(struct pbuf *p, struct pbuf **rest)
|
||||
void
|
||||
pbuf_split_64k(struct pbuf *p, struct pbuf **rest)
|
||||
{
|
||||
*rest = NULL;
|
||||
if ((p != NULL) && (p->next != NULL)) {
|
||||
u16_t tot_len_front = p->len;
|
||||
struct pbuf *i = p;
|
||||
struct pbuf *r = p->next;
|
||||
struct pbuf *i = p;
|
||||
struct pbuf *r = p->next;
|
||||
|
||||
/* continue until the total length (summed up as u16_t) overflows */
|
||||
while ((r != NULL) && ((u16_t)(tot_len_front + r->len) >= tot_len_front)) {
|
||||
tot_len_front = (u16_t)(tot_len_front + r->len);
|
||||
i = r;
|
||||
r = r->next;
|
||||
i = r;
|
||||
r = r->next;
|
||||
}
|
||||
/* i now points to last packet of the first segment. Set next
|
||||
pointer to NULL */
|
||||
@ -1132,8 +1134,7 @@ void pbuf_split_64k(struct pbuf *p, struct pbuf **rest)
|
||||
/* Update the tot_len field in the first part */
|
||||
for (i = p; i != NULL; i = i->next) {
|
||||
i->tot_len = (u16_t)(i->tot_len - r->tot_len);
|
||||
LWIP_ASSERT("tot_len/len mismatch in last pbuf",
|
||||
(i->next != NULL) || (i->tot_len == i->len));
|
||||
LWIP_ASSERT("tot_len/len mismatch in last pbuf", (i->next != NULL) || (i->tot_len == i->len));
|
||||
}
|
||||
if (p->flags & PBUF_FLAG_TCP_FIN) {
|
||||
r->flags |= PBUF_FLAG_TCP_FIN;
|
||||
@ -1151,13 +1152,13 @@ void pbuf_split_64k(struct pbuf *p, struct pbuf **rest)
|
||||
static const struct pbuf *
|
||||
pbuf_skip_const(const struct pbuf *in, u16_t in_offset, u16_t *out_offset)
|
||||
{
|
||||
u16_t offset_left = in_offset;
|
||||
u16_t offset_left = in_offset;
|
||||
const struct pbuf *q = in;
|
||||
|
||||
/* get the correct pbuf */
|
||||
while ((q != NULL) && (q->len <= offset_left)) {
|
||||
offset_left = (u16_t)(offset_left - q->len);
|
||||
q = q->next;
|
||||
q = q->next;
|
||||
}
|
||||
if (out_offset != NULL) {
|
||||
*out_offset = offset_left;
|
||||
@ -1198,7 +1199,7 @@ pbuf_take(struct pbuf *buf, const void *dataptr, u16_t len)
|
||||
struct pbuf *p;
|
||||
size_t buf_copy_len;
|
||||
size_t total_copy_len = len;
|
||||
size_t copied_total = 0;
|
||||
size_t copied_total = 0;
|
||||
|
||||
LWIP_ERROR("pbuf_take: invalid buf", (buf != NULL), return ERR_ARG;);
|
||||
LWIP_ERROR("pbuf_take: invalid dataptr", (dataptr != NULL), return ERR_ARG;);
|
||||
@ -1331,8 +1332,7 @@ pbuf_clone(pbuf_layer layer, pbuf_type type, struct pbuf *p)
|
||||
* within the (first) pbuf (no pbuf queues!)
|
||||
*/
|
||||
err_t
|
||||
pbuf_fill_chksum(struct pbuf *p, u16_t start_offset, const void *dataptr,
|
||||
u16_t len, u16_t *chksum)
|
||||
pbuf_fill_chksum(struct pbuf *p, u16_t start_offset, const void *dataptr, u16_t len, u16_t *chksum)
|
||||
{
|
||||
u32_t acc;
|
||||
u16_t copy_chksum;
|
||||
@ -1346,7 +1346,7 @@ pbuf_fill_chksum(struct pbuf *p, u16_t start_offset, const void *dataptr,
|
||||
return ERR_ARG;
|
||||
}
|
||||
|
||||
dst_ptr = ((char *)p->payload) + start_offset;
|
||||
dst_ptr = ((char *)p->payload) + start_offset;
|
||||
copy_chksum = LWIP_CHKSUM_COPY(dst_ptr, dataptr, len);
|
||||
if ((start_offset & 1) != 0) {
|
||||
copy_chksum = SWAP_BYTES_IN_WORD(copy_chksum);
|
||||
@ -1433,7 +1433,7 @@ pbuf_put_at(struct pbuf *p, u16_t offset, u8_t data)
|
||||
u16_t
|
||||
pbuf_memcmp(const struct pbuf *p, u16_t offset, const void *s2, u16_t n)
|
||||
{
|
||||
u16_t start = offset;
|
||||
u16_t start = offset;
|
||||
const struct pbuf *q = p;
|
||||
u16_t i;
|
||||
|
||||
@ -1445,7 +1445,7 @@ pbuf_memcmp(const struct pbuf *p, u16_t offset, const void *s2, u16_t n)
|
||||
/* get the correct pbuf from chain. We know it succeeds because of p->tot_len check above. */
|
||||
while ((q != NULL) && (q->len <= start)) {
|
||||
start = (u16_t)(start - q->len);
|
||||
q = q->next;
|
||||
q = q->next;
|
||||
}
|
||||
|
||||
/* return requested data if pbuf is OK */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user