wc(1): account for possibility of file == NULL

file could reasonably be NULL here if we we're using stdin. Albeit less
likely in normal usage, one could actually hit either of these warnings on
stdin.

ubmitted by:	sigsys@gmail.com
MFC after:	3 days

This commit is contained in:

Kyle Evans

2020-02-05 14:00:27 +00:00

parent 380977d557

commit fbdf47586e

1 changed files with 2 additions and 2 deletions

									
										usr.bin/wc/wc.c
									
		+2
		-2
	
												View File
												
				@@ -246,7 +246,7 @@ cnt(const char *file)

					 */

					if (doline == 0 && dolongline == 0) {

						if (fstat(fd, &sb)) {

							xo_warn("%s: fstat", file);

							xo_warn("%s: fstat", file != NULL ? file : "stdin");

							(void)close(fd);

							return (1);

						}

				@@ -267,7 +267,7 @@ cnt(const char *file)

					 */

					while ((len = read(fd, buf, MAXBSIZE))) {

						if (len == -1) {

							xo_warn("%s: read", file);

							xo_warn("%s: read", file != NULL ? file : "stdin");

							(void)close(fd);

							return (1);

						}