discount/notspecial.c
2025-12-13 00:40:57 +04:00

44 lines
673 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(int argc, char **argv)
{
int i;
for ( i=1; i < argc; i++ )
printf("%s is %sspecial\n", argv[i], notspecial(argv[i]) ? "not " : "");
}
#endif