su: using isize_t, usize_t, issize_t in API.

Internally using size_t.

darcs-hash:20060906225539-65a35-5ef913b376cf87ae25f10de387ad20fe77b89503.gz

libsofia-sip-ua/su/sofia-sip/su.h

@@ -251,12 +251,12 @@ SOFIAPUBFUN int su_getmsgsize(su_socket_t s);
 
 /** Scatter-gather send. */
 SOFIAPUBFUN
-int su_vsend(su_socket_t s, su_iovec_t const iov[], int iovlen, int flags, 
-             su_sockaddr_t const *su, socklen_t sulen);
+issize_t su_vsend(su_socket_t, su_iovec_t const iov[], isize_t len, int flags,
+		  su_sockaddr_t const *su, socklen_t sulen);
 /** Scatter-gather receive. */
 SOFIAPUBFUN
-int su_vrecv(su_socket_t s, su_iovec_t iov[], int iovlen, int flags, 
-             su_sockaddr_t *su, socklen_t *sulen);
+issize_t su_vrecv(su_socket_t, su_iovec_t iov[], isize_t len, int flags,
+		  su_sockaddr_t *su, socklen_t *sulen);
 /** Return local IP address */
 SOFIAPUBFUN int su_getlocalip(su_sockaddr_t *sin);
 

libsofia-sip-ua/su/sofia-sip/su_alloc.h

@@ -34,8 +34,8 @@
  * @date Created: Thu Aug 19 01:12:25 1999 ppessi
  */
 
-#ifndef SU_CONFIG_H
-#include <sofia-sip/su_config.h>
+#ifndef SU_TYPES_H
+#include <sofia-sip/su_types.h>
 #endif
 
 #include <stdarg.h>
@@ -55,30 +55,30 @@ typedef struct su_alock su_alock_t;
 
 /** Memory home structure */
 struct su_home_s { 
-  int  suh_size;
+  int         suh_size;
   su_block_t *suh_blocks;
   su_alock_t *suh_lock;
 };
 
 #define SU_HOME_INIT(obj) { 0 }
 
-SU_DLL void *su_home_new(int size)
+SU_DLL void *su_home_new(isize_t size)
      __attribute__((__malloc__));
 SU_DLL void *su_home_ref(su_home_t const *);
 SU_DLL int su_home_unref(su_home_t *);
 
 SU_DLL int su_home_desctructor(su_home_t *, void (*)(void *));
 
-SU_DLL void *su_home_clone(su_home_t *parent, int size)
+SU_DLL void *su_home_clone(su_home_t *parent, isize_t size)
      __attribute__((__malloc__));
 
 SU_DLL int  su_home_init(su_home_t *h);
 
 SU_DLL void su_home_deinit(su_home_t *h);
 
-SU_DLL void su_home_preload(su_home_t *h, int n, int size);
+SU_DLL void su_home_preload(su_home_t *h, isize_t n, isize_t size);
 
-SU_DLL su_home_t *su_home_auto(void *area, int size);
+SU_DLL su_home_t *su_home_auto(void *area, isize_t size);
 
 #define SU_HOME_AUTO_SIZE(n)				\
   (((n) + ((sizeof(su_home_t) + 7) & ~8) +		\
@@ -98,20 +98,20 @@ SU_DLL int su_home_mutex_lock(su_home_t *home);
 
 SU_DLL int su_home_mutex_unlock(su_home_t *home);
 
-SU_DLL void *su_alloc(su_home_t *h, int size)
+SU_DLL void *su_alloc(su_home_t *h, isize_t size)
      __attribute__((__malloc__));
-SU_DLL void *su_zalloc(su_home_t *h, int size)
+SU_DLL void *su_zalloc(su_home_t *h, isize_t size)
      __attribute__((__malloc__));
-SU_DLL void *su_salloc(su_home_t *h, int size)
+SU_DLL void *su_salloc(su_home_t *h, isize_t size)
      __attribute__((__malloc__));
-SU_DLL void *su_realloc(su_home_t *h, void *data, int size)
+SU_DLL void *su_realloc(su_home_t *h, void *data, isize_t size)
      __attribute__((__malloc__));
 
 SU_DLL char *su_strdup(su_home_t *home, char const *s)
      __attribute__((__malloc__));
 SU_DLL char *su_strcat(su_home_t *home, char const *s1, char const *s2)
      __attribute__((__malloc__));
-SU_DLL char *su_strndup(su_home_t *home, char const *s, int n)
+SU_DLL char *su_strndup(su_home_t *home, char const *s, isize_t n)
      __attribute__((__malloc__));
 
 SU_DLL char *su_strcat_all(su_home_t *home, ...)

libsofia-sip-ua/su/sofia-sip/su_md5.h

@@ -60,12 +60,12 @@ typedef struct su_md5_t {
 SOFIAPUBFUN void su_md5_init(su_md5_t *context);
 SOFIAPUBFUN void su_md5_deinit(su_md5_t *context);
 SOFIAPUBFUN void su_md5_update(su_md5_t *context,
-			       void const *buf, unsigned len);
+			       void const *buf, usize_t len);
 SOFIAPUBFUN void su_md5_strupdate(su_md5_t *ctx, char const *s);
 SOFIAPUBFUN void su_md5_str0update(su_md5_t *ctx, char const *s);
 
 SOFIAPUBFUN void su_md5_iupdate(su_md5_t *context,
-				void const *buf, unsigned len);
+				void const *buf, usize_t len);
 SOFIAPUBFUN void su_md5_striupdate(su_md5_t *ctx, char const *s);
 SOFIAPUBFUN void su_md5_stri0update(su_md5_t *ctx, char const *s);
 

libsofia-sip-ua/su/sofia-sip/su_uniqueid.h

@@ -87,7 +87,7 @@ SOFIAPUBFUN void su_guid_generate(su_guid_t *guid);
  * The function guid_sprintf() returns length of the formatted
  * globally unique identifier excluding the final NUL.
  */
-SOFIAPUBFUN int su_guid_sprintf(char* buf, size_t len, su_guid_t const *guid);
+SOFIAPUBFUN isize_t su_guid_sprintf(char* buf, size_t len, su_guid_t const *guid);
 
 enum { 
   /** Length of guid in hex format */ 

libsofia-sip-ua/su/sofia-sip/su_wait.h

@@ -81,7 +81,7 @@ SOFIA_BEGIN_DECLS
 
 #elif SU_HAVE_WINSOCK
 
-#define SU_WAIT_CMP(x, y) ((long)(x) - (long)(y))
+#define SU_WAIT_CMP(x, y) ((intptr_t)(x) - (intptr_t)(y))
 
 #define SU_WAIT_IN      (FD_READ)
 #define SU_WAIT_OUT     (FD_WRITE)
@@ -112,7 +112,13 @@ SOFIA_BEGIN_DECLS
 /* ---------------------------------------------------------------------- */
 /* Types */
 
-#if SU_HAVE_BSDSOCK
+#if 0
+typedef struct _pollfd {
+  su_socket_t fd;           /* file descriptor */
+  short events;     /* requested events */
+  short revents;    /* returned events */
+} su_wait_t;
+#elif SU_HAVE_BSDSOCK
 typedef struct pollfd su_wait_t;
 #elif SU_HAVE_WINSOCK
 typedef HANDLE su_wait_t;
@@ -421,15 +427,15 @@ SOFIAPUBFUN int su_task_execute(su_task_r const task,
 /* Messages */
 SOFIAPUBFUN int su_msg_create(su_msg_r msg,
 			      su_task_r const to, su_task_r const from, 
-			      su_msg_f wakeup, int size);
+			      su_msg_f wakeup, isize_t size);
 SOFIAPUBFUN int su_msg_report(su_msg_r msg, su_msg_f report);
 SOFIAPUBFUN int su_msg_reply(su_msg_r reply, su_msg_r const msg,
-			     su_msg_f wakeup, int size);
+			     su_msg_f wakeup, isize_t size);
 SOFIAPUBFUN void su_msg_destroy(su_msg_r msg);
 SOFIAPUBFUN void su_msg_save(su_msg_r msg, su_msg_r msg0);
 SOFIAPUBFUN void su_msg_remove_refs(su_msg_cr msg);
 SOFIAPUBFUN su_msg_arg_t *su_msg_data(su_msg_cr msg);
-SOFIAPUBFUN int su_msg_size(su_msg_cr msg);
+SOFIAPUBFUN isize_t su_msg_size(su_msg_cr msg);
 SOFIAPUBFUN _su_task_r su_msg_from(su_msg_cr msg);
 SOFIAPUBFUN _su_task_r su_msg_to(su_msg_cr msg);
 SOFIAPUBFUN int su_msg_send(su_msg_r msg);

libsofia-sip-ua/su/su.c

@@ -167,7 +167,7 @@ int su_soerror(su_socket_t s)
 int su_setreuseaddr(su_socket_t s, int reuse)
 {
   return setsockopt(s, SOL_SOCKET, SO_REUSEADDR, 
-		    (void *)&reuse, sizeof(reuse));
+		    (void *)&reuse, (socklen_t)sizeof(reuse));
 }
 
 
@@ -202,15 +202,16 @@ struct in_addr6 const *su_in6addr_loopback(void)
 #if SU_HAVE_WINSOCK
 
 /** Scatter/gather send */
-int su_vsend(su_socket_t s, su_iovec_t const iov[], int iovlen, int flags, 
-             su_sockaddr_t const *su, socklen_t sulen)
+issize_t su_vsend(su_socket_t s,
+		  su_iovec_t const iov[], isize_t iovlen, int flags,
+		  su_sockaddr_t const *su, socklen_t sulen)
 {
   int ret;
   DWORD bytes_sent = -1;
   
   ret =  WSASendTo(s,
 		   (LPWSABUF)iov,
-		   iovlen,
+		   (DWORD)iovlen,
 		   &bytes_sent,
 		   flags,
 		   &su->su_sa,
@@ -218,40 +219,45 @@ int su_vsend(su_socket_t s, su_iovec_t const iov[], int iovlen, int flags,
 		   NULL,
 		   NULL);
   if (ret < 0)
-    return ret;
+    return (issize_t)ret;
   else
-    return bytes_sent;
+    return (issize_t)bytes_sent;
 }
 
 
 /** Scatter/gather recv */
-int su_vrecv(su_socket_t s, su_iovec_t iov[], int iovlen, int flags, 
-             su_sockaddr_t *su, socklen_t *sulen)
+issize_t su_vrecv(su_socket_t s, su_iovec_t iov[], isize_t iovlen, int flags,
+		  su_sockaddr_t *su, socklen_t *sulen)
 {
   int ret;
   DWORD bytes_recv = -1;
   DWORD dflags = flags;
+  int fromlen = sulen ? *sulen : 0;
 
   ret =  WSARecvFrom(s,
 		     (LPWSABUF)iov,
-		     iovlen,
+		     (DWORD)iovlen,
 		     &bytes_recv,
 		     &dflags,
 		     &su->su_sa,
-		     sulen,
+		     sulen ? &fromlen : NULL,
 		     NULL,
 		     NULL);
+
+  if (sulen) *sulen = fromlen;
+
   if (ret < 0)
-    return ret;
+    return (issize_t)ret;
   else
-    return bytes_recv;
+    return (issize_t)bytes_recv;
 }
 
 
 #else
 
-int su_vsend(su_socket_t s, su_iovec_t const iov[], int iovlen, int flags, 
-             su_sockaddr_t const *su, socklen_t sulen)
+issize_t su_vsend(su_socket_t s,
+		  su_iovec_t const iov[], isize_t iovlen, int flags,
+		  su_sockaddr_t const *su, socklen_t sulen)
 {
   struct msghdr hdr[1] = {{0}};
 
@@ -263,11 +269,11 @@ int su_vsend(su_socket_t s, su_iovec_t const iov[], int iovlen, int flags,
   return sendmsg(s, hdr, flags);
 }
 
-int su_vrecv(su_socket_t s, su_iovec_t iov[], int iovlen, int flags, 
-             su_sockaddr_t *su, socklen_t *sulen)
+issize_t su_vrecv(su_socket_t s, su_iovec_t iov[], isize_t iovlen, int flags,
+		  su_sockaddr_t *su, socklen_t *sulen)
 {
   struct msghdr hdr[1] = {{0}};
-  int retval;
+  issize_t retval;
 
   hdr->msg_name = (void *)su;
   if (su && sulen)

libsofia-sip-ua/su/su_alloc.c

@@ -205,7 +205,7 @@ void (*su_home_mutex_unlocker)(void *mutex);
 #define MEMCHECK 1
 #define MEMCHECK_EXTRA 0
 #elif !defined(MEMCHECK_EXTRA)
-#define MEMCHECK_EXTRA sizeof (unsigned)
+#define MEMCHECK_EXTRA sizeof (size_t)
 #endif
 
 enum { 
@@ -217,12 +217,13 @@ enum {
 };		
 
 #define ALIGNMENT (8)
-#define ALIGN(n)  (((n) + (ALIGNMENT - 1)) & ~(ALIGNMENT - 1))
-#define SIZEBITS (sizeof (unsigned) * 8 - 1)
+#define ALIGN(n) (size_t)(((n) + (ALIGNMENT - 1)) & ~(ALIGNMENT - 1))
+#define SIZEBITS (sizeof (size_t) * 8 - 1)
 
 typedef struct {
-  unsigned long sua_size:SIZEBITS; /**< Size of the block */
+  size_t   sua_size:SIZEBITS;	/**< Size of the block */
   unsigned sua_home:1;		/**< Is this another home? */
+  unsigned :0;
   void    *sua_data;		/**< Data pointer */
 } su_alloc_t;
 
@@ -248,9 +249,9 @@ struct su_block_s {
 static void su_home_check_blocks(su_block_t const *b);
 
 static void su_home_stats_alloc(su_block_t *, void *p, void *preload,
-				unsigned size, int zero);
+				size_t size, int zero);
 static void su_home_stats_free(su_block_t *sub, void *p, void *preload,
-			       unsigned size);
+			       size_t size);
 
 static void _su_home_deinit(su_home_t *home);
 
@@ -282,7 +283,7 @@ static inline su_alloc_t *su_block_find(su_block_t *b, void *p)
 
   assert(p != NULL);
 
-  h = h0 = ((unsigned long)p) % b->sub_n;
+  h = h0 = (unsigned)(uintptr_t)p % b->sub_n;
 
   probe = (b->sub_n > SUB_P) ? SUB_P : 1;
 
@@ -310,7 +311,7 @@ static inline su_alloc_t *su_block_add(su_block_t *b, void *p)
 
   assert(p != NULL);
 
-  h = ((unsigned long)p) % b->sub_n;
+  h = (unsigned)(uintptr_t)p % b->sub_n;
 
   probe = (b->sub_n > SUB_P) ? SUB_P : 1;
 
@@ -337,13 +338,13 @@ static inline int su_is_preloaded(su_block_t const *sub, char *data)
 static inline int su_alloc_check(su_block_t const *sub, su_alloc_t const *sua)
 {
 #if MEMCHECK_EXTRA
-  int size, term;
+  size_t size, term;
   assert(sua);
   if (sua) {
     size = sua->sua_size;
     memcpy(&term, (char *)sua->sua_data + size, sizeof (term));
-    assert(-term == size);
-    return -term == size;
+    assert(size - term == 0);
+    return size - term == 0;
   }
   else
     return 0;
@@ -389,12 +390,12 @@ enum sub_zero { do_malloc, do_calloc, do_clone };
 static 
 void *sub_alloc(su_home_t *home, 
 		su_block_t *sub,
-		long size, 
+		size_t size,
 		enum sub_zero zero)
 {
   void *data, *preload = NULL;
   
-  assert (size >= 0);
+  assert (size >= 0 && size < (1 << 31));
 
   if (sub == NULL || 3 * sub->sub_used > 2 * sub->sub_n) {
     /* Resize the hash table */
@@ -414,7 +415,7 @@ void *sub_alloc(su_home_t *home,
       return NULL;
 
     for (i = 0; i < n; i++) {
-      if (sub->sub_nodes[i].sua_data) 
+      if (sub->sub_nodes[i].sua_data)
 	su_block_add(b2, sub->sub_nodes[i].sua_data)[0] = sub->sub_nodes[i];
     }
 
@@ -461,7 +462,7 @@ void *sub_alloc(su_home_t *home,
     su_alloc_t *sua;
 
 #if MEMCHECK_EXTRA
-    int term = -size;
+    int term = -(int)size;
     memcpy((char *)data + size, &term, sizeof (term));
 #endif
 
@@ -478,7 +479,7 @@ void *sub_alloc(su_home_t *home,
       if (!subhome->suh_blocks) 
 	return (void)free(data), NULL;
 
-      subhome->suh_size = size;
+      subhome->suh_size = (unsigned)size;
       subhome->suh_blocks->sub_parent = home;
       subhome->suh_blocks->sub_ref = 1;
     }
@@ -511,14 +512,16 @@ void *sub_alloc(su_home_t *home,
  * This function returns a pointer to an su_home_t object, or NULL upon
  * an error.
  */
-void *su_home_new(int size)
+void *su_home_new(isize_t size)
 {
   su_home_t *home;
 
   assert(size >= sizeof (*home));
 
   if (size < sizeof (*home))
-    return NULL;
+    return (errno = EINVAL), NULL;
+  else if (size > INT_MAX)
+    return (errno = ENOMEM), NULL;
 
   home = calloc(1, size);
   if (home) {
@@ -642,14 +645,16 @@ int su_home_unref(su_home_t *home)
  * This function returns a pointer to an su_home_t object, or NULL upon
  * an error.
  */
-void *su_home_clone(su_home_t *parent, int size)
+void *su_home_clone(su_home_t *parent, isize_t size)
 {
   su_home_t *home;
 
   assert(size >= sizeof (*home));
 
   if (size < sizeof (*home))
-    return NULL;
+    return (void)(errno = EINVAL), NULL;
+  else if (size > INT_MAX)
+    return (void)(errno = ENOMEM), NULL;
 
   if (parent) {
     su_block_t *sub = MEMLOCK(parent);
@@ -683,7 +688,7 @@ int su_home_has_parent(su_home_t const *home)
  * This function returns a pointer to the allocated memory block or
  * NULL if an error occurred.
  */
-void *su_alloc(su_home_t *home, int size)
+void *su_alloc(su_home_t *home, isize_t size)
 {
   void *data;
 
@@ -1032,7 +1037,7 @@ int su_home_move(su_home_t *dst, su_home_t *src)
  *
  * The function su_home_preload() preloads a memory home.
  */
-void su_home_preload(su_home_t *home, int n, int isize)
+void su_home_preload(su_home_t *home, isize_t n, isize_t isize)
 {
   su_block_t *sub;
 
@@ -1044,17 +1049,17 @@ void su_home_preload(su_home_t *home, int n, int isize)
 
   sub = MEMLOCK(home);
   if (!sub->sub_preload) {
-    int size;
+    size_t size;
     void *preload;
 
     size = n * ALIGN(isize);
-    if (size > USHRT_MAX)
-      size = USHRT_MAX & (ALIGNMENT - 1);
+    if (size > 65535)		/* We have 16 bits... */
+      size = 65535 & (ALIGNMENT - 1);
 
     preload = malloc(size);
 
     home->suh_blocks->sub_preload = preload;
-    home->suh_blocks->sub_prsize = size;
+    home->suh_blocks->sub_prsize = (unsigned short)size;
   }
   UNLOCK(home);
 }
@@ -1064,7 +1069,7 @@ void su_home_preload(su_home_t *home, int n, int isize)
  * The function su_home_auto() initalizes a memory home using an area
  * allocated from stack. Poor mans alloca().
  */
-su_home_t *su_home_auto(void *area, int size)
+su_home_t *su_home_auto(void *area, isize_t size)
 {
   su_home_t *home;
   su_block_t *sub;
@@ -1085,9 +1090,12 @@ su_home_t *su_home_auto(void *area, int size)
   sub = memset(p + homesize, 0, subsize);
   home->suh_blocks = sub;
 
+  if (size > prepsize + 65535)
+    size = prepsize + 65535;
+
   sub->sub_n = SUB_N_AUTO;
   sub->sub_preload = p + prepsize;
-  sub->sub_prsize = size - prepsize;
+  sub->sub_prsize = (unsigned short)(size - prepsize);
   sub->sub_preauto = 1;
   sub->sub_auto = 1;
   sub->sub_auto_all = 1;
@@ -1112,12 +1120,12 @@ su_home_t *su_home_auto(void *area, int size)
  *   This function returns a pointer to the allocated memory block or
  *   NULL if an error occurred.
  */
-void *su_realloc(su_home_t *home, void *data, int size)
+void *su_realloc(su_home_t *home, void *data, isize_t size)
 {
   void *ndata;
   su_alloc_t *sua;
   su_block_t *sub;
-  int p;
+  size_t p;
   int term = -size;
 
   if (!home) 
@@ -1250,7 +1258,7 @@ void *su_realloc(su_home_t *home, void *data, int size)
  * The function su_zalloc() returns a pointer to the allocated memory block,
  * or NULL upon an error.
  */
-void *su_zalloc(su_home_t *home, int  size)
+void *su_zalloc(su_home_t *home, isize_t size)
 {
   void *data;
 
@@ -1270,7 +1278,7 @@ void *su_zalloc(su_home_t *home, int  size)
  *
  * The function su_salloc() allocates a structure with a given size, zeros
  * it, and initializes the size field to the given size.  The size field
- * is the first in the structure.
+ * is the first in the structure. It has type of int. 
  *
  * @param home  pointer to memory pool object
  * @param size  size of the structure
@@ -1288,23 +1296,23 @@ void *su_zalloc(su_home_t *home, int  size)
  *   ...
  *   t = su_salloc(home, sizeof (*t)); 
  *   assert(t && t->t_size == sizeof (*t));
- *   t->name
+ *   
  * @endcode
  * After calling su_salloc() we get a pointer t to a struct test,
- * initialized to zero except the 
- *
+ * initialized to zero except the tst_size field, which is initialized to
+ * sizeof (*t).
  *
- * @return This function returns a pointer to the allocated structure, or
- * NULL upon an error.
+ * @return A pointer to the allocated structure, or NULL upon an error.
  */
-void *su_salloc(su_home_t *home, int size)
+void *su_salloc(su_home_t *home, isize_t size)
 {
   struct { int size; } *retval;
 
   if (size < sizeof (*retval))
     size = sizeof (*retval);
 
-  assert (size >= 0);
+  if (size > INT_MAX)
+    return (void)(errno = ENOMEM), NULL;
 
   if (home) {
     retval = sub_alloc(home, MEMLOCK(home), size, 1);
@@ -1360,6 +1368,7 @@ int su_home_mutex_unlock(su_home_t *home)
   return 0;
 }
 
+
 /** Initialize statistics structure */
 void su_home_init_stats(su_home_t *home)
 {
@@ -1420,11 +1429,11 @@ void su_home_get_stats(su_home_t *home, int include_clones,
 
 static 
 void su_home_stats_alloc(su_block_t *sub, void *p, void *preload,
-			 unsigned size, int zero)
+			 size_t size, int zero)
 {
   su_home_stat_t *hs = sub->sub_stats;
 
-  unsigned rsize = ALIGN(size);
+  size_t rsize = ALIGN(size);
 
   hs->hs_rehash += (sub->sub_n != hs->hs_blocksize);
   hs->hs_blocksize = sub->sub_n;
@@ -1448,11 +1457,11 @@ void su_home_stats_alloc(su_block_t *sub, void *p, void *preload,
 }
 
 static 
-void su_home_stats_free(su_block_t *sub, void *p, void *preload, unsigned size)
+void su_home_stats_free(su_block_t *sub, void *p, void *preload, size_t size)
 {
   su_home_stat_t *hs = sub->sub_stats;
 
-  unsigned rsize = ALIGN(size);
+  size_t rsize = ALIGN(size);
 
   if (preload) {
     hs->hs_frees.hsf_preload++;

libsofia-sip-ua/su/su_localinfo.c

@@ -285,7 +285,7 @@ char const *su_gli_strerror(int error)
  */
 su_localinfo_t *su_copylocalinfo(su_localinfo_t const *li0)
 {
-  int n;
+  size_t n;
   su_localinfo_t *li, *retval = NULL, **lli = &retval;
 
 # define SLEN(s) ((s) ? strlen(s) + 1 : 0)

libsofia-sip-ua/su/su_md5.c

@@ -131,7 +131,7 @@ void su_md5_deinit(su_md5_t *context)
 void
 su_md5_update(su_md5_t *ctx,
 	      void const *b,
-	      unsigned len)
+	      usize_t len)
 {
   unsigned char const *buf = (unsigned char const *)b;
   uint32_t t;
@@ -200,7 +200,7 @@ void mem_i_cpy(unsigned char *d, unsigned char const *s, int len)
 void
 su_md5_iupdate(su_md5_t *ctx,
 	       void const *b,
-	       unsigned len)
+	       usize_t len)
 {
   unsigned char const *buf = (unsigned char const *)b;
   uint32_t t;

libsofia-sip-ua/su/su_port.h

@@ -69,7 +69,7 @@ SOFIA_BEGIN_DECLS
 
 /** Message */
 struct su_msg_s {
-  int            sum_size;
+  isize_t        sum_size;
   su_msg_t      *sum_next;