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70 lines
1.7 KiB
C
70 lines
1.7 KiB
C
/*
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Looking Glass - KVM FrameRelay (KVMFR) Client
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Copyright (C) 2017-2019 Geoffrey McRae <geoff@hostfission.com>
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https://looking-glass.hostfission.com
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This program is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free Software
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Foundation; either version 2 of the License, or (at your option) any later
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version.
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This program is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
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PARTICULAR PURPOSE. See the GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along with
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this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "utils.h"
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#include "debug.h"
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#include <stdlib.h>
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#include <stdio.h>
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bool file_get_contents(const char * filename, char ** buffer, size_t * length)
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{
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FILE * fh = fopen(filename, "r");
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if (!fh)
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{
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DEBUG_ERROR("Failed to open the file: %s", filename);
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return false;
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}
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if (fseek(fh, 0, SEEK_END) != 0)
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{
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DEBUG_ERROR("Failed to seek");
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fclose(fh);
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return false;
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}
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long fsize = ftell(fh);
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if (fseek(fh, 0, SEEK_SET) != 0)
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{
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DEBUG_ERROR("Failed to seek");
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fclose(fh);
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return false;
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}
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*buffer = malloc(fsize + 1);
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if (!*buffer)
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{
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DEBUG_ERROR("Failed to allocate buffer of %lu bytes", fsize + 1);
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fclose(fh);
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return false;
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}
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if (fread(*buffer, 1, fsize, fh) != fsize)
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{
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DEBUG_ERROR("Failed to read the entire file");
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fclose(fh);
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free(*buffer);
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return false;
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}
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fclose(fh);
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buffer[fsize] = 0;
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*length = fsize;
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return true;
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} |