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-rw-r--r--libc/benchtests/bench-strcspn.c59
1 files changed, 59 insertions, 0 deletions
diff --git a/libc/benchtests/bench-strcspn.c b/libc/benchtests/bench-strcspn.c
new file mode 100644
index 000000000..22b3b8495
--- /dev/null
+++ b/libc/benchtests/bench-strcspn.c
@@ -0,0 +1,59 @@
+/* Measure strcspn functions.
+ Copyright (C) 2013 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#define STRPBRK_RESULT(s, pos) (pos)
+#define RES_TYPE size_t
+#define TEST_MAIN
+#define TEST_NAME "strcspn"
+#include "bench-string.h"
+
+typedef size_t (*proto_t) (const char *, const char *);
+size_t simple_strcspn (const char *, const char *);
+size_t stupid_strcspn (const char *, const char *);
+
+IMPL (stupid_strcspn, 0)
+IMPL (simple_strcspn, 0)
+IMPL (strcspn, 1)
+
+size_t
+simple_strcspn (const char *s, const char *rej)
+{
+ const char *r, *str = s;
+ char c;
+
+ while ((c = *s++) != '\0')
+ for (r = rej; *r != '\0'; ++r)
+ if (*r == c)
+ return s - str - 1;
+ return s - str - 1;
+}
+
+size_t
+stupid_strcspn (const char *s, const char *rej)
+{
+ size_t ns = strlen (s), nrej = strlen (rej);
+ size_t i, j;
+
+ for (i = 0; i < ns; ++i)
+ for (j = 0; j < nrej; ++j)
+ if (s[i] == rej[j])
+ return i;
+ return i;
+}
+
+#include "bench-strpbrk.c"