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
75
76
77
78
79
80
81
82
|
/************************************************************************/
/* */
/* sioPipe.[ch]: sio equivalents to popen/pclose. */
/* */
/************************************************************************/
# include "appUtilConfig.h"
# include <sioPipe.h>
# include <stdlib.h>
# include <stdarg.h>
# include <stdio.h>
# include <string.h>
# include <signal.h>
# include <errno.h>
# include <appDebugon.h>
/************************************************************************/
/* */
/* Open an output stream to a command using popen(). */
/* */
/************************************************************************/
static int sioOutPipeWriteBytes( void * voidf,
const unsigned char * buffer,
int count )
{
int rval;
void (*prevSigPipeHandler)( int );
prevSigPipeHandler= signal( SIGPIPE, SIG_IGN );
rval= fwrite( buffer, 1, count, (FILE *)voidf );
signal( SIGPIPE, prevSigPipeHandler );
return rval;
}
static int sioPipeClose( void * voidf )
{
int rval;
void (*prevSigPipeHandler)( int );
prevSigPipeHandler= signal( SIGPIPE, SIG_IGN );
rval= pclose( (FILE *)voidf );
signal( SIGPIPE, prevSigPipeHandler );
return rval;
}
SimpleOutputStream * sioOutPipeOpen( const char * command )
{
SimpleOutputStream * sos= (SimpleOutputStream *)0;
FILE * f;
void (*prevSigPipeHandler)( int );
prevSigPipeHandler= signal( SIGPIPE, SIG_IGN );
f= popen( command, "w" );
if ( ! f )
{ SXDEB(command,f); goto ready; }
sos= sioOutOpen( (void *)f, sioOutPipeWriteBytes,
(SIOoutSEEK)0, sioPipeClose );
if ( ! sos )
{ SXDEB(command,sos); pclose( f ); goto ready; }
ready:
signal( SIGPIPE, prevSigPipeHandler );
return sos;
}
|
