Files
discount/notspecial.c
T
Orc db1d037afa Merge pull request #229 from oridb/master
notspecial: do a positive check. (fixes plan9, improves others)
2020-10-26 09:10:15 -07:00

45 lines
675 B
C

/*
* check a filename to see if it's a (fifo|character special|socket) object
* (if a stat() function doesn't exist, we can't stat so we'll just return
* true no matter what.)
*/
#include "config.h"
#if HAVE_STAT && HAS_ISCHR && HAS_ISFIFO && HAS_ISSOCK
#include <sys/stat.h>
int
notspecial(char *file)
{
struct stat info;
if ( stat(file, &info) != 0 )
return 1;
return S_ISREG(info.st_mode);
}
#else
int
notspecial(char *file)
{
return 1;
}
#endif
#if DEBUG
#include <stdio.h>
int
main(argc, argv)
char **argv;
{
int i;
for ( i=1; i < argc; i++ )
printf("%s is %sspecial\n", argv[i], notspecial(argv[i]) ? "not " : "");
}
#endif