1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
// $Id: filecfg-readentrystr.c,v 1.1 2004/07/02 23:34:52 ensc Exp $ --*- c -*--
// Copyright (C) 2004 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include "filecfg.h"
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
char *
FileCfg_readEntryStr (PathInfo const *base, char const *file,
bool allow_multiline, char const *dflt)
{
PathInfo filepath = { .d = file, .l = strlen(file) };
PathInfo path = *base;
char path_buf[ENSC_PI_APPSZ(path, filepath)];
int fd = -1;
off_t sz;
char * res = 0;
PathInfo_append(&path, &filepath, path_buf);
fd = open(path.d, O_RDONLY);
if (fd==-1) goto err;
sz = lseek(fd, 0, SEEK_END);
if (sz==-1 ||
lseek(fd, 0, SEEK_SET)==-1) goto err;
if (sz>0 && sz<FILECFG_MAX_FILESIZE) {
char buf[sz+1];
if (read(fd, buf, sz+1)!=sz) goto err;
if (!allow_multiline) {
char * pos;
buf[sz] = '\0';
pos = strchr(buf, '\n');
if (pos) *pos = '\0';
}
else {
while (sz>0 && buf[sz-1]=='\n') --sz;
buf[sz] = '\0';
}
res = strdup(buf);
}
err:
if (res==0 && dflt)
res = strdup(dflt);
if (fd!=-1) close(fd);
return res;
}
|
