Don't use mmap when _MUDFLAP is defined.

1 files changed, 11 insertions, 3 deletions

diff --git a/src/strings.c b/src/strings.c
index 40774e46..d9434c92 100644
--- a/src/strings.c
+++ b/src/strings.c
@@ -448,15 +448,22 @@ process_chunk (const char *fname, const unsigned char *buf, off64_t to,
 static void *
 map_file (int fd, off64_t start_off, off64_t fdlen, size_t *map_sizep)
 {
+#if _MUDFLAP
+  (void) fd;
+  (void) start_off;
+  (void) fdlen;
+  (void) map_sizep;
+  return MAP_FAILED;
+#else
   /* Maximum size we mmap.  We use an #ifdef to avoid overflows on
      32-bit machines.  64-bit machines these days do not have usable
      address spaces larger than about 43 bits.  Not that any file
      should be that large.  */
-#if SIZE_MAX > 0xffffffff
+# if SIZE_MAX > 0xffffffff
   const size_t mmap_max = 0x4000000000lu;
-#else
+# else
   const size_t mmap_max = 0x40000000lu;
-#endif
+# endif
 
   /* Try to mmap the file.  */
   size_t map_size = MIN ((off64_t) mmap_max, fdlen);
@@ -489,6 +496,7 @@ map_file (int fd, off64_t start_off, off64_t fdlen, size_t *map_sizep)
 
   *map_sizep = map_size;
   return mem;
+#endif
 }