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38 lines
760 B
C
38 lines
760 B
C
/*
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* vstring.c - Variable-length strings
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*
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* Copyright 2012 by Werner Almesberger
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <stdlib.h>
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#include <string.h>
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#include "vstring.h"
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void append_n(char **res, int *res_len, const char *s, int len)
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{
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if (!len)
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return;
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if (!*res)
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*res_len = 0;
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*res = realloc(*res, *res_len+len+1);
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if (!*res)
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abort();
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memcpy(*res+*res_len, s, len);
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*res_len += len;
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(*res)[*res_len] = 0;
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}
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void append(char **res, int *res_len, const char *s)
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{
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append_n(res, res_len, s, strlen(s));
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}
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