restore property that fstat(AT_FDCWD) fails with EBADF · eeff60608c - Gogs

restore property that fstat(AT_FDCWD) fails with EBADF

AT_FDCWD is not a valid file descriptor, so POSIX requires fstat to
fail with EBADF. if passed to fstatat, the call would spuriously
succeed and return results for the working directory.

Rich Felker 5 years ago

parent

fa7d4218c7

commit

eeff60608c

1 changed files with 1 additions and 0 deletions

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							+ 1
							
							- 0
						
src/stat/fstat.c
							 
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				@@ -6,6 +6,7 @@
			
				 int fstat(int fd, struct stat *st)
			
				 {
			
				+	if (fd<0) return __syscall_ret(-EBADF);
			
				 	return fstatat(fd, "", st, AT_EMPTY_PATH);
			
				 }