1 /* Measure strpbrk functions.
2 Copyright (C) 2013-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
19 #define BIG_CHAR MAX_CHAR
22 # define SMALL_CHAR 127
24 # define SMALL_CHAR 1273
27 #ifndef STRPBRK_RESULT
28 # define STRPBRK_RESULT(s, pos) ((s)[(pos)] ? (s) + (pos) : NULL)
29 # define RES_TYPE CHAR *
32 # define TEST_NAME "strpbrk"
34 # define TEST_NAME "wcspbrk"
36 # include "bench-string.h"
39 # define SIMPLE_STRPBRK simple_strpbrk
41 # define SIMPLE_STRPBRK simple_wcspbrk
44 typedef CHAR *(*proto_t) (const CHAR *, const CHAR *);
45 CHAR *SIMPLE_STRPBRK (const CHAR *, const CHAR *);
47 IMPL (SIMPLE_STRPBRK, 0)
51 SIMPLE_STRPBRK (const CHAR *s, const CHAR *rej)
56 while ((c = *s++) != '\0')
57 for (r = rej; *r != '\0'; ++r)
59 return (CHAR *) s - 1;
63 #endif /* !STRPBRK_RESULT */
66 do_one_test (impl_t *impl, const CHAR *s, const CHAR *rej, RES_TYPE exp_res)
68 RES_TYPE res = CALL (impl, s, rej);
69 size_t i, iters = INNER_LOOP_ITERS_MEDIUM;
70 timing_t start, stop, cur;
74 error (0, 0, "Wrong result in function %s %p %p", impl->name,
75 (void *) res, (void *) exp_res);
81 for (i = 0; i < iters; ++i)
87 TIMING_DIFF (cur, start, stop);
89 TIMING_PRINT_MEAN ((double) cur, (double) iters);
93 do_test (size_t align, size_t pos, size_t len)
101 if ((align + pos + 10) * sizeof (CHAR) >= page_size || len > 240)
104 rej = (CHAR *) (buf2) + (random () & 255);
105 s = (CHAR *) (buf1) + align;
107 for (i = 0; i < len; ++i)
109 rej[i] = random () & BIG_CHAR;
111 rej[i] = random () & BIG_CHAR;
113 rej[i] = 1 + (random () & SMALL_CHAR);
116 for (c = 1; c <= BIG_CHAR; ++c)
117 if (STRCHR (rej, c) == NULL)
120 for (i = 0; i < pos; ++i)
122 s[i] = random () & BIG_CHAR;
123 if (STRCHR (rej, s[i]))
125 s[i] = random () & BIG_CHAR;
126 if (STRCHR (rej, s[i]))
130 s[pos] = rej[random () % (len + 1)];
133 for (i = pos + 1; i < pos + 10; ++i)
134 s[i] = random () & BIG_CHAR;
137 result = STRPBRK_RESULT (s, pos);
139 printf ("Length %4zd, alignment %2zd, rej len %2zd:", pos, align, len);
141 FOR_EACH_IMPL (impl, 0)
142 do_one_test (impl, s, rej, result);
155 FOR_EACH_IMPL (impl, 0)
156 printf ("\t%s", impl->name);
159 for (i = 0; i < 32; ++i)
165 for (i = 1; i < 8; ++i)
167 do_test (0, 16 << i, 4);
168 do_test (i, 16 << i, 4);
171 for (i = 1; i < 8; ++i)
174 for (i = 0; i < 64; ++i)
180 #include <support/test-driver.c>