62 lines
1.6 KiB
C
62 lines
1.6 KiB
C
/*
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This file is part of libcapwap.
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libcapwap 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 3 of the License, or
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(at your option) any later version.
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libcapwap is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU 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 libcapwap. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include "file.h"
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/**
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* @file
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*/
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/**
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* Load a file from disk to memory
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* @param filename name of file to load
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* @param size variable which receives the size of the file in bytes
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* @return a pointer to the memory where the file was loaded in \n
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* The memory allocated returned in data must be freed using free.
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*
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* Eexample:
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* \code
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#include "capwap/file.h"
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size_t bytes;
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char * data = cw_load_file("file.txt",&bytes);
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if (data){
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// Do something with data ...
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free (data);
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}
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\endcode
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*/
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char *cw_load_file(const char *filename, size_t * size)
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{
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FILE *infile = fopen(filename, "rb");
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if (!infile)
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return NULL;
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fseek(infile, 0, SEEK_END);
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*size = ftell(infile);
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char *buf = malloc(*size);
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if (!buf)
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goto errX;
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fseek(infile, 0, SEEK_SET);
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*size = fread(buf, 1, *size, infile);
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errX:
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fclose(infile);
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return buf;
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}
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