GRASS Programmer's Manual
6.4.2(2012)
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yes.c
Go to the documentation of this file.
1
17
#include <stdio.h>
18
#include <grass/gis.h>
19
20
39
int
G_yes
(
const
char
*question,
int
dflt)
40
{
41
fflush(stdout);
42
43
while
(1) {
44
char
answer[100];
45
46
fprintf(stderr,
"%s"
, question);
47
48
while
(1) {
49
fprintf(stderr,
"(y/n) "
);
50
if
(dflt >= 0)
51
fprintf(stderr, dflt == 0 ?
"[n] "
:
"[y] "
);
52
53
fflush(stderr);
54
if
(!
G_gets
(answer))
55
break
;
56
G_strip
(answer);
57
58
switch
(*answer) {
59
case
'y'
:
60
case
'Y'
:
61
return
(1);
62
case
'n'
:
63
case
'N'
:
64
return
(0);
65
case
0:
66
if
(dflt >= 0)
67
return
(dflt);
68
}
69
}
70
}
71
}
lib
gis
yes.c
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