intprops: add safe, portable integer overflow checking

[pspp] / ChangeLog

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+2011-05-13  Paul Eggert  <eggert@cs.ucla.edu>
+
+       intprops: add safe, portable integer overflow checking
+       * lib/intprops.h (_GL_INT_CONVERT, _GL_INT_TWOS_COMPLEMENT):
+       (_GL_INT_SIGNED, _GL_INT_MINIMUM, _GL_INT_MAXIMUM):
+       (_GL_SIGNED_INT_MINIMUM, INT_ADD_RANGE_OVERFLOW):
+       (INT__SUBTRACT__RANGE_OVERFLOW, INT_NEGATE_RANGE_OVERFLOW):
+       (INT_MULTIPLY_RANGE_OVERFLOW, INT_REMAINDER_RANGE_OVERFLOW):
+       (INT_LEFT_SHIFT_RANGE_OVERFLOW, _GL_ADD_OVERFLOW):
+       (_GL__SUBTRACT__OVERFLOW, _GL_MULTIPLY_OVERFLOW, _GL_DIVIDE_OVERFLOW):
+       (_GL_REMAINDER_OVERFLOW, _GL_UNSIGNED_NEG_MULTIPLE, INT_ADD_OVERFLOW):
+       (INT__SUBTRACT__OVERFLOW, INT_NEGATE_OVERFLOW, INT_MULTIPLY_OVERFLOW):
+       (INT_DIVIDE_OVERFLOW, INT_REMAINDER_OVERFLOW):
+       (INT_LEFT_SHIFT_OVERFLOW, _GL_BINARY_OP_OVERFLOW): New macros.
+
+2011-05-12  James Youngman  <jay@gnu.org>
+
+       Add a test for glibc's Bugzilla bug #12378.
+       * m4/fnmatch.m4: Use gnulib's fnmatch if the system fnmatch
+       doesn't allow the literal matching of a lone "[" (which is
+       required by POSIX).
+       * tests/test-fnmatch.c (main): Check that "[/b" matches itself.
+
+2011-05-11  Ulrich Drepper  <drepper@gmail.com>
+
+       Sync glibc change fixing Bugzilla bug #12378.
+       * lib/fnmatch_loop.c (FCT): When matching '[' keep track of
+       beginning and fall back to matching as normal character if the
+       string ends before the matching ']' is found.  This is what POSIX
+       requires.
+
 2011-05-13  Eric Blake  <eblake@redhat.com>
 
        getcwd-lgpl: relax test for FreeBSD