Files
discount/notspecial.c
T
David Seifert 7afa5c6242 Make C99 clean
* Clang 16 (and likely GCC 14) will enforce strict C99 semantics
  and break old K&R C declarations and require correct C89
  function prototypes.

Bug: https://bugs.gentoo.org/870952
Clang: https://discourse.llvm.org/t/configure-script-breakage-with-the-new-werror-implicit-function-declaration/65213/9
2022-10-27 11:08:49 -07:00

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