mirror of
https://git.notmuchmail.org/git/notmuch
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40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
/*
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* slow simplistic reimplementation of strcasestr for systems that
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* don't include it in their library
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*
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* based on a GPL implementation in OpenTTD found under GPL v2
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation, version 2.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301, USA. */
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/* Imported into notmuch by Dirk Hohndel - original author unknown. */
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#include <string.h>
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#include "compat.h"
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char *strcasestr(const char *haystack, const char *needle)
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{
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size_t hay_len = strlen(haystack);
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size_t needle_len = strlen(needle);
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while (hay_len >= needle_len) {
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if (strncasecmp(haystack, needle, needle_len) == 0)
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return (char *) haystack;
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haystack++;
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hay_len--;
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}
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return NULL;
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}
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