load_file.c revision 4f6e8d7a00cbeda1e70cc15be9c4af1018bdad53 
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
22void *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
47oops:
48    close(fd);
49    if(data != 0) free(data);
50    return 0;
51}
52