diff options
Diffstat (limited to 'src/string/memcasecmp.c')
| -rw-r--r-- | src/string/memcasecmp.c | 50 |
1 files changed, 0 insertions, 50 deletions
diff --git a/src/string/memcasecmp.c b/src/string/memcasecmp.c deleted file mode 100644 index d8ea014..0000000 --- a/src/string/memcasecmp.c +++ /dev/null @@ -1,50 +0,0 @@ -/** - * slibc — Yet another C library - * Copyright © 2015 Mattias Andrée (maandree@member.fsf.org) - * - * 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 <http://www.gnu.org/licenses/>. - */ -#include <string.h> -#include <ctype.h> - - - -/** - * Compare two memory segments alphabetically in a case insensitive manner. - * - * This is a slibc extension added because it was useful - * in implementing slibc itself. - * - * @param a A negative value is returned if this is the lesser. - * @param b A positive value is returned if this is the lesser. - * @param size The size of the segments. - * @return Zero is returned if `a` and `b` are equal, otherwise, - * see the specifications for `a` and `b`. - */ -int memcasecmp(const void* a, const void* b, size_t size) -{ - const signed char* s1 = a; - const signed char* s2 = b; - int c1, c2; - for (; size--; s1++, s2++) - if (*s1 != *s2) - { - c1 = isalpha(*s1) ? tolower(*s1) : (int)*s1; - c2 = isalpha(*s2) ? tolower(*s2) : (int)*s2; - if ((c1 -= c2)) - return c1; - } - return 0; -} - |