[ViewVC] Diff of: cvs/libev/ev.c

Comparing libev/ev.c (file contents):
Revision 1.221 by root, Sun Apr 6 12:44:49 2008 UTC vs.
Revision 1.224 by root, Wed Apr 9 22:07:50 2008 UTC

 #endif
 #if EV_USE_EVENTFD
 /* our minimum requirement is glibc 2.7 which has the stub, but not the header */
 # include <stdint.h>
+# ifdef __cplusplus
+extern "C" {
+# endif
 int eventfd (unsigned int initval, int flags);
+# ifdef __cplusplus
+}
+# endif
 #endif
 /**/
 /*
 # define expect(expr,value)         __builtin_expect ((expr),(value))
 # define noinline                   __attribute__ ((noinline))
 #else
 # define expect(expr,value)         (expr)
 # define noinline
-# if __STDC_VERSION__ < 199901L
+# if __STDC_VERSION__ < 199901L && __GNUC__ < 2
 #  define inline
 # endif
 #endif
 #define expect_false(expr) expect ((expr) != 0, 0)
       perror (msg);
       abort ();
     }
 }
+static void *
+ev_realloc_emul (void *ptr, long size)
+{
+  /* some systems, notably openbsd and darwin, fail to properly
+   * implement realloc (x, 0) (as required by both ansi c-98 and
+   * the single unix specification, so work around them here.
+   */
+  if (size)
+    return realloc (ptr, size);
+  free (ptr);
+  return 0;
+}
-static void *(*alloc)(void *ptr, long size);
+static void *(*alloc)(void *ptr, long size) = ev_realloc_emul;
 void
 ev_set_allocator (void *(*cb)(void *ptr, long size))
 {
   alloc = cb;
 }
 inline_speed void *
 ev_realloc (void *ptr, long size)
 {
-  ptr = alloc ? alloc (ptr, size) : realloc (ptr, size);
+  ptr = alloc (ptr, size);
   if (!ptr && size)
     {
       fprintf (stderr, "libev: cannot allocate %ld bytes, aborting.", size);
       abort ();

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