summaryrefslogtreecommitdiffstats
path: root/lib/strintcmp.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/strintcmp.c')
-rw-r--r--lib/strintcmp.c34
1 files changed, 34 insertions, 0 deletions
diff --git a/lib/strintcmp.c b/lib/strintcmp.c
new file mode 100644
index 0000000..acb6c4e
--- /dev/null
+++ b/lib/strintcmp.c
@@ -0,0 +1,34 @@
+/* Compare integer strings.
+
+ Copyright (C) 2005-2022 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
+
+/* Written by Paul Eggert. */
+
+#include <config.h>
+
+#include "strnumcmp-in.h"
+
+#include <limits.h>
+
+/* Compare strings A and B as integers without explicitly converting
+ them to machine numbers, to avoid overflow problems and perhaps
+ improve performance. */
+
+int
+strintcmp (char const *a, char const *b)
+{
+ return numcompare (a, b, CHAR_MAX + 1, CHAR_MAX + 1);
+}