| /* Optimized string comparison. |
| Copyright (C) 2001-2002 Free Software Foundation, Inc. |
| |
| This program is free software; you can redistribute it and/or modify it |
| under the terms of the GNU Library General Public License as published |
| by the Free Software Foundation; either version 2, 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 |
| Library General Public License for more details. |
| |
| You should have received a copy of the GNU Library General Public |
| License along with this program; if not, write to the Free Software |
| Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, |
| USA. */ |
| |
| /* Written by Bruno Haible <bruno@clisp.org>. */ |
| |
| #include <string.h> |
| |
| /* Help GCC to generate good code for string comparisons with |
| immediate strings. */ |
| #if defined (__GNUC__) && defined (__OPTIMIZE__) |
| |
| static inline int |
| streq9 (const char *s1, const char *s2) |
| { |
| return strcmp (s1 + 9, s2 + 9) == 0; |
| } |
| |
| static inline int |
| streq8 (const char *s1, const char *s2, char s28) |
| { |
| if (s1[8] == s28) |
| { |
| if (s28 == 0) |
| return 1; |
| else |
| return streq9 (s1, s2); |
| } |
| else |
| return 0; |
| } |
| |
| static inline int |
| streq7 (const char *s1, const char *s2, char s27, char s28) |
| { |
| if (s1[7] == s27) |
| { |
| if (s27 == 0) |
| return 1; |
| else |
| return streq8 (s1, s2, s28); |
| } |
| else |
| return 0; |
| } |
| |
| static inline int |
| streq6 (const char *s1, const char *s2, char s26, char s27, char s28) |
| { |
| if (s1[6] == s26) |
| { |
| if (s26 == 0) |
| return 1; |
| else |
| return streq7 (s1, s2, s27, s28); |
| } |
| else |
| return 0; |
| } |
| |
| static inline int |
| streq5 (const char *s1, const char *s2, char s25, char s26, char s27, char s28) |
| { |
| if (s1[5] == s25) |
| { |
| if (s25 == 0) |
| return 1; |
| else |
| return streq6 (s1, s2, s26, s27, s28); |
| } |
| else |
| return 0; |
| } |
| |
| static inline int |
| streq4 (const char *s1, const char *s2, char s24, char s25, char s26, char s27, char s28) |
| { |
| if (s1[4] == s24) |
| { |
| if (s24 == 0) |
| return 1; |
| else |
| return streq5 (s1, s2, s25, s26, s27, s28); |
| } |
| else |
| return 0; |
| } |
| |
| static inline int |
| streq3 (const char *s1, const char *s2, char s23, char s24, char s25, char s26, char s27, char s28) |
| { |
| if (s1[3] == s23) |
| { |
| if (s23 == 0) |
| return 1; |
| else |
| return streq4 (s1, s2, s24, s25, s26, s27, s28); |
| } |
| else |
| return 0; |
| } |
| |
| static inline int |
| streq2 (const char *s1, const char *s2, char s22, char s23, char s24, char s25, char s26, char s27, char s28) |
| { |
| if (s1[2] == s22) |
| { |
| if (s22 == 0) |
| return 1; |
| else |
| return streq3 (s1, s2, s23, s24, s25, s26, s27, s28); |
| } |
| else |
| return 0; |
| } |
| |
| static inline int |
| streq1 (const char *s1, const char *s2, char s21, char s22, char s23, char s24, char s25, char s26, char s27, char s28) |
| { |
| if (s1[1] == s21) |
| { |
| if (s21 == 0) |
| return 1; |
| else |
| return streq2 (s1, s2, s22, s23, s24, s25, s26, s27, s28); |
| } |
| else |
| return 0; |
| } |
| |
| static inline int |
| 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) |
| { |
| if (s1[0] == s20) |
| { |
| if (s20 == 0) |
| return 1; |
| else |
| return streq1 (s1, s2, s21, s22, s23, s24, s25, s26, s27, s28); |
| } |
| else |
| return 0; |
| } |
| |
| #define STREQ(s1,s2,s20,s21,s22,s23,s24,s25,s26,s27,s28) \ |
| streq0 (s1, s2, s20, s21, s22, s23, s24, s25, s26, s27, s28) |
| |
| #else |
| |
| #define STREQ(s1,s2,s20,s21,s22,s23,s24,s25,s26,s27,s28) \ |
| (strcmp (s1, s2) == 0) |
| |
| #endif |