1 /* -*- buffer-read-only: t -*- vi: set ro: */
2 /* DO NOT EDIT! GENERATED AUTOMATICALLY! */
3 /* Optimized string comparison.
4 Copyright (C) 2001-2002, 2007, 2009-2011 Free Software Foundation, Inc.
6 This program is free software: you can redistribute it and/or modify it
7 under the terms of the GNU General Public License as published
8 by the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>. */
19 /* Written by Bruno Haible <bruno@clisp.org>. */
26 /* STREQ allows to optimize string comparison with a small literal string.
27 STREQ (s, "EUC-KR", 'E', 'U', 'C', '-', 'K', 'R', 0, 0, 0)
28 is semantically equivalent to
29 strcmp (s, "EUC-KR") == 0
32 /* Help GCC to generate good code for string comparisons with
34 #if defined (__GNUC__) && defined (__OPTIMIZE__)
37 streq9 (const char *s1, const char *s2)
39 return strcmp (s1 + 9, s2 + 9) == 0;
43 streq8 (const char *s1, const char *s2, char s28)
50 return streq9 (s1, s2);
57 streq7 (const char *s1, const char *s2, char s27, char s28)
64 return streq8 (s1, s2, s28);
71 streq6 (const char *s1, const char *s2, char s26, char s27, char s28)
78 return streq7 (s1, s2, s27, s28);
85 streq5 (const char *s1, const char *s2, char s25, char s26, char s27, char s28)
92 return streq6 (s1, s2, s26, s27, s28);
99 streq4 (const char *s1, const char *s2, char s24, char s25, char s26, char s27, char s28)
106 return streq5 (s1, s2, s25, s26, s27, s28);
113 streq3 (const char *s1, const char *s2, char s23, char s24, char s25, char s26, char s27, char s28)
120 return streq4 (s1, s2, s24, s25, s26, s27, s28);
127 streq2 (const char *s1, const char *s2, char s22, char s23, char s24, char s25, char s26, char s27, char s28)
134 return streq3 (s1, s2, s23, s24, s25, s26, s27, s28);
141 streq1 (const char *s1, const char *s2, char s21, char s22, char s23, char s24, char s25, char s26, char s27, char s28)
148 return streq2 (s1, s2, s22, s23, s24, s25, s26, s27, s28);
155 streq0 (const char *s1, const char *s2, char s20, char s21, char s22, char s23, char s24, char s25, char s26, char s27, char s28)
162 return streq1 (s1, s2, s21, s22, s23, s24, s25, s26, s27, s28);
168 #define STREQ(s1,s2,s20,s21,s22,s23,s24,s25,s26,s27,s28) \
169 streq0 (s1, s2, s20, s21, s22, s23, s24, s25, s26, s27, s28)
173 #define STREQ(s1,s2,s20,s21,s22,s23,s24,s25,s26,s27,s28) \
174 (strcmp (s1, s2) == 0)
178 #endif /* _GL_STREQ_H */