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      1 /* libs/cutils/load_file.c
      2 **
      3 ** Copyright 2006, The Android Open Source Project
      4 **
      5 ** Licensed under the Apache License, Version 2.0 (the "License");
      6 ** you may not use this file except in compliance with the License.
      7 ** You may obtain a copy of the License at
      8 **
      9 **     http://www.apache.org/licenses/LICENSE-2.0
     10 **
     11 ** Unless required by applicable law or agreed to in writing, software
     12 ** distributed under the License is distributed on an "AS IS" BASIS,
     13 ** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     14 ** See the License for the specific language governing permissions and
     15 ** limitations under the License.
     16 */
     17 
     18 #include <stdlib.h>
     19 #include <unistd.h>
     20 #include <fcntl.h>
     21 
     22 void *load_file(const char *fn, unsigned *_sz)
     23 {
     24     char *data;
     25     int sz;
     26     int fd;
     27 
     28     data = 0;
     29     fd = open(fn, O_RDONLY);
     30     if(fd < 0) return 0;
     31 
     32     sz = lseek(fd, 0, SEEK_END);
     33     if(sz < 0) goto oops;
     34 
     35     if(lseek(fd, 0, SEEK_SET) != 0) goto oops;
     36 
     37     data = (char*) malloc(sz + 1);
     38     if(data == 0) goto oops;
     39 
     40     if(read(fd, data, sz) != sz) goto oops;
     41     close(fd);
     42     data[sz] = 0;
     43 
     44     if(_sz) *_sz = sz;
     45     return data;
     46 
     47 oops:
     48     close(fd);
     49     if(data != 0) free(data);
     50     return 0;
     51 }
     52