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      1 /* ----------------------------------------------------------------------- *
      2  *
      3  *   Copyright 2005-2008 H. Peter Anvin - All Rights Reserved
      4  *
      5  *   Permission is hereby granted, free of charge, to any person
      6  *   obtaining a copy of this software and associated documentation
      7  *   files (the "Software"), to deal in the Software without
      8  *   restriction, including without limitation the rights to use,
      9  *   copy, modify, merge, publish, distribute, sublicense, and/or
     10  *   sell copies of the Software, and to permit persons to whom
     11  *   the Software is furnished to do so, subject to the following
     12  *   conditions:
     13  *
     14  *   The above copyright notice and this permission notice shall
     15  *   be included in all copies or substantial portions of the Software.
     16  *
     17  *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     18  *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
     19  *   OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     20  *   NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
     21  *   HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
     22  *   WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     23  *   FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     24  *   OTHER DEALINGS IN THE SOFTWARE.
     25  *
     26  * ----------------------------------------------------------------------- */
     27 
     28 /*
     29  * zloadfile.c
     30  *
     31  * Read the contents of a possibly compressed data file into a malloc'd buffer
     32  */
     33 
     34 #include <stdio.h>
     35 #include <stdlib.h>
     36 #include <unistd.h>
     37 #include <string.h>
     38 #include <fcntl.h>
     39 #include <sys/stat.h>
     40 #include <syslinux/zio.h>
     41 
     42 #include <syslinux/loadfile.h>
     43 
     44 #define INCREMENTAL_CHUNK 1024*1024
     45 
     46 int zloadfile(const char *filename, void **ptr, size_t * len)
     47 {
     48     FILE *f;
     49     int rv;
     50 
     51     f = zfopen(filename, "r");
     52     if (!f)
     53 	return -1;
     54 
     55     rv = floadfile(f, ptr, len, NULL, 0);
     56     fclose(f);
     57 
     58     return rv;
     59 }
     60