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changeset 131:372169fedbc0

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GNU text utilities
author Jim Meyering <jim@meyering.net>
date Thu, 21 Oct 1993 17:08:57 +0000
parents 09e15f152c13
children 49882d60eccf
files lib/memchr.c
diffstat 1 files changed, 6 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/lib/memchr.c
+++ b/lib/memchr.c
@@ -56,10 +56,11 @@
 
      The 1-bits make sure that carries propagate to the next 0-bit.
      The 0-bits provide holes for carries to fall into.  */
-  magic_bits = 0x7efefeff;
 #ifdef LONG_64_BITS
   /* 64-bit version of the magic.  */
-  magic_bits = (0x7efefefe << 32) | 0xfefefeff;
+  magic_bits = ((unsigned long int) 0x7efefefe << 32) | 0xfefefeff;
+#else
+  magic_bits = 0x7efefeff;
 #endif /* LONG_64_BITS */
 
   /* Set up a longword, each of whose bytes is C.  */
@@ -68,6 +69,9 @@
 #ifdef LONG_64_BITS
   charmask |= charmask << 32;
 #endif /* LONG_64_BITS */
+  if (sizeof (longword) > 8)
+    abort ();
+
 
   /* Instead of the traditional loop which tests each character,
      we will test a longword at a time.  The tricky part is testing