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This commit is contained in:
Werner Koch 1998-09-11 05:47:32 +00:00
parent 1b368847f5
commit 48da5f940b
34 changed files with 650 additions and 377 deletions
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25
util/iobuf.c
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@ -34,6 +34,7 @@
typedef struct {
FILE *fp; /* open file handle */
int print_only_name; /* flags indicating that fname is not a real file*/
char fname[1]; /* name of the file */
} file_filter_ctx_t ;
@ -56,6 +57,7 @@ typedef struct {
static int underflow(IOBUF a);
static const char *get_real_fname( IOBUF a );
/****************
* Read data from a file into buf which has an allocated length of *LEN.
@ -451,7 +453,7 @@ iobuf_cancel( IOBUF a )
const char *s;
if( a && a->usage == 2 ) {
s = iobuf_get_fname(a);
s = get_real_fname(a);
if( s && *s )
remove(s); /* remove the file. Fixme: this will fail for MSDOZE*/
} /* because the file is still open */
@ -486,16 +488,19 @@ iobuf_open( const char *fname )
FILE *fp;
file_filter_ctx_t *fcx;
size_t len;
int print_only = 0;
if( !fname || (*fname=='-' && !fname[1]) ) {
fp = stdin; /* fixme: set binary mode for msdoze */
fname = "[stdin]";
print_only = 1;
}
else if( !(fp = fopen(fname, "rb")) )
return NULL;
a = iobuf_alloc(1, 8192 );
fcx = m_alloc( sizeof *fcx + strlen(fname) );
fcx->fp = fp;
fcx->print_only_name = print_only;
strcpy(fcx->fname, fname );
a->filter = file_filter;
a->filter_ov = fcx;
@ -517,16 +522,19 @@ iobuf_create( const char *fname )
FILE *fp;
file_filter_ctx_t *fcx;
size_t len;
int print_only = 0;
if( !fname || (*fname=='-' && !fname[1]) ) {
fp = stdout;
fname = "[stdout]";
print_only = 1;
}
else if( !(fp = fopen(fname, "wb")) )
return NULL;
a = iobuf_alloc(2, 8192 );
fcx = m_alloc( sizeof *fcx + strlen(fname) );
fcx->fp = fp;
fcx->print_only_name = print_only;
strcpy(fcx->fname, fname );
a->filter = file_filter;
a->filter_ov = fcx;
@ -1085,6 +1093,21 @@ iobuf_seek( IOBUF a, ulong newpos )
/****************
* Retrieve the real filename
*/
static const char *
get_real_fname( IOBUF a )
{
for( ; a; a = a->chain )
if( !a->chain && a->filter == file_filter ) {
file_filter_ctx_t *b = a->filter_ov;
return b->print_only_name? NULL : b->fname;
}
return NULL;
}
/****************
* Retrieve the filename
*/