36 lines
1.2 KiB
C
36 lines
1.2 KiB
C
/*
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* Copyright (c) 2011, 2012, 2013, 2014 Jonas 'Sortie' Termansen.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* string/strrchr.c
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* Searches a string for a specific character.
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*/
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#include <stdbool.h>
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#include <string.h>
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char* strrchr(const char* str, int uc)
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{
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const unsigned char* ustr = (const unsigned char*) str;
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const char* last = NULL;
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for ( size_t i = 0; true; i++ )
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{
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if ( ustr[i] == (unsigned char) uc )
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last = str + i;
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if ( !ustr[i] )
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break;
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}
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return (char*) last;
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}
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