mirror of
https://github.com/tesseract-ocr/tesseract.git
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74 lines
2.8 KiB
C++
74 lines
2.8 KiB
C++
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/*
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to
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deal in the Software without restriction, including without limitation the
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rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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sell copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies of the Software and its Copyright notices. In addition publicly
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documented acknowledgment must be given that this software has been used if no
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source code of this software is made available publicly. Making the source
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available publicly means including the source for this software with the
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distribution, or a method to get this software via some reasonable mechanism
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(electronic transfer via a network or media) as well as making an offer to
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supply the source on request. This Copyright notice serves as an offer to
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supply the source on on request as well. Instead of this, supplying
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acknowledgments of use of this software in either Copyright notices, Manuals,
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Publicity and Marketing documents or any documentation provided with any
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product containing this software. This License does not apply to any software
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that links to the libraries provided by this software (statically or
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dynamically), but only to the software provided.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Source:
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Evil 1.7.4
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The Evil library tried to port some convenient Unix functions
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to the Windows (XP or CE) platform. They are planned to be used
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http://git.enlightenment.org/legacy/evil.git/tree/src/lib/evil_string.c?id=eeaddf80d0d547d4c216974038c0599b34359695
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*/
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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char *strcasestr(const char *haystack, const char *needle) {
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size_t length_needle;
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size_t length_haystack;
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size_t i;
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if (!haystack || !needle)
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return NULL;
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length_needle = strlen(needle);
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length_haystack = strlen(haystack) - length_needle + 1;
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for (i = 0; i < length_haystack; i++)
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{
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size_t j;
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for (j = 0; j < length_needle; j++)
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{
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unsigned char c1;
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unsigned char c2;
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c1 = haystack[i+j];
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c2 = needle[j];
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if (toupper(c1) != toupper(c2))
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goto next;
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}
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return (char *) haystack + i;
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next:
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;
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}
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return NULL;
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}
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