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Use SUN_LEN macro

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This commit is contained in:
E. Westbrook 2019-02-19 09:59:35 -07:00
parent 531012df1a
commit 024646de54
1 changed files with 8 additions and 2 deletions
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10
src/unixdgram.c
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@ -17,6 +17,12 @@
#define UNIXDGRAM_DATAGRAMSIZE 8192 #define UNIXDGRAM_DATAGRAMSIZE 8192
// provide a SUN_LEN macro if sys/un.h doesn't (e.g. Android)
#ifndef SUN_LEN
#define SUN_LEN(ptr) \
((size_t) (((struct sockaddr_un *) 0)->sun_path) \
+ strlen ((ptr)->sun_path))
#endif
/*=========================================================================*\ /*=========================================================================*\
* Internal function prototypes * Internal function prototypes
\*=========================================================================*/ \*=========================================================================*/
@ -265,7 +271,7 @@ static const char *unixdgram_trybind(p_unix un, const char *path) {
memset(&local, 0, sizeof(local)); memset(&local, 0, sizeof(local));
strcpy(local.sun_path, path); strcpy(local.sun_path, path);
local.sun_family = AF_UNIX; local.sun_family = AF_UNIX;
size_t addrlen = sizeof(local) - sizeof(local.sun_path) + len; size_t addrlen = SUN_LEN(&local);
#ifdef UNIX_HAS_SUN_LEN #ifdef UNIX_HAS_SUN_LEN
local.sun_len = addrlen + 1; local.sun_len = addrlen + 1;
#endif #endif
@ -316,7 +322,7 @@ static const char *unixdgram_tryconnect(p_unix un, const char *path)
strcpy(remote.sun_path, path); strcpy(remote.sun_path, path);
remote.sun_family = AF_UNIX; remote.sun_family = AF_UNIX;
timeout_markstart(&un->tm); timeout_markstart(&un->tm);
size_t addrlen = sizeof(remote) - sizeof(remote.sun_path) + len; size_t addrlen = SUN_LEN(&remote);
#ifdef UNIX_HAS_SUN_LEN #ifdef UNIX_HAS_SUN_LEN
remote.sun_len = addrlen + 1; remote.sun_len = addrlen + 1;
#endif #endif