GRASS Programmer's Manual
6.4.2(2012)
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getl.c
Go to the documentation of this file.
1
#include <stdio.h>
2
#include <grass/gis.h>
3
17
int
G_getl
(
char
*buf,
int
n, FILE * fd)
18
{
19
if
(!fgets(buf, n, fd))
20
return
0;
21
22
for
(; *buf && *buf !=
'\n'
; buf++) ;
23
*buf = 0;
24
25
return
1;
26
}
27
28
29
52
int
G_getl2
(
char
*buf,
int
n, FILE * fd)
53
{
54
int
i = 0;
55
int
c;
56
int
ret = 1;
57
58
while
(i < n - 1) {
59
c = fgetc(fd);
60
61
if
(c == EOF) {
62
if
(i == 0) {
/* Read correctly (return 1) last line in file without '\n' */
63
ret = 0;
64
}
65
break
;
66
}
67
68
if
(c ==
'\n'
)
69
break
;
/* UNIX */
70
71
if
(c ==
'\r'
) {
/* DOS or MacOS9 */
72
if
((c = fgetc(fd)) != EOF) {
73
if
(c !=
'\n'
) {
/* MacOS9 - we have to return the char to stream */
74
ungetc(c, fd);
75
}
76
}
77
break
;
78
}
79
80
buf[i] = c;
81
82
i++;
83
}
84
buf[i] =
'\0'
;
85
86
return
ret;
87
}
lib
gis
getl.c
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