Simplify errno handling

2 files changed, 12 insertions, 15 deletions

diff --git a/src/sem.c b/src/sem.c
index 066c592..a577b08 100644
--- a/src/sem.c
+++ b/src/sem.c
@@ -186,20 +186,17 @@ zix_sem_timed_wait(ZixSem*        sem,
 
   struct timespec ts = {0, 0};
 
-  if (clock_gettime(CLOCK_REALTIME, &ts)) {
-    return ZIX_STATUS_ERROR;
-  }
-
-  ts.tv_sec += (time_t)seconds;
-  ts.tv_nsec += (long)nanoseconds;
-
   int r = 0;
-  while ((r = sem_timedwait(&sem->sem, &ts)) && errno == EINTR) {
-    // Interrupted, try again
+  if (!(r = clock_gettime(CLOCK_REALTIME, &ts))) {
+    ts.tv_sec += (time_t)seconds;
+    ts.tv_nsec += (long)nanoseconds;
+
+    while ((r = sem_timedwait(&sem->sem, &ts)) && errno == EINTR) {
+      // Interrupted, try again
+    }
   }
 
-  return r ? (errno == ETIMEDOUT ? ZIX_STATUS_TIMEOUT : zix_errno_status(errno))
-           : ZIX_STATUS_SUCCESS;
+  return r ? zix_errno_status(errno) : ZIX_STATUS_SUCCESS;
 #  endif
 }
 
diff --git a/src/status.c b/src/status.c
index a0bb17e..ed48952 100644
--- a/src/status.c
+++ b/src/status.c
@@ -41,10 +41,6 @@ zix_errno_status(const int e)
   switch (e) {
   case 0:
     return ZIX_STATUS_SUCCESS;
-#ifdef EAGAIN
-  case EAGAIN:
-    return ZIX_STATUS_NO_MEM;
-#endif
 #ifdef EEXIST
   case EEXIST:
     return ZIX_STATUS_EXISTS;
@@ -57,6 +53,10 @@ zix_errno_status(const int e)
   case EPERM:
     return ZIX_STATUS_BAD_PERMS;
 #endif
+#ifdef ETIMEDOUT
+  case ETIMEDOUT:
+    return ZIX_STATUS_TIMEOUT;
+#endif
   default:
     break;
   }