39 lines
1.2 KiB
C
39 lines
1.2 KiB
C
/*
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* Copyright (c) 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/strsep.c
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* Extract a token from a string.
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*/
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#include <string.h>
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char* strsep(char** string_ptr, const char* delim)
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{
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char* token = *string_ptr;
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if ( !token )
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return NULL;
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size_t token_length = strcspn(token, delim);
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if ( token[token_length] )
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{
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token[token_length++] = '\0';
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*string_ptr = token + token_length;
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}
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else
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{
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*string_ptr = (char*) NULL;
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}
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return token;
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}
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