lam: fail on I/O errors

I/O errors should be reported; however lam currently does not
disambiguate between EOF because end-of-file was reached and EOF because
an I/O error occurred.
This commit changes lam to exit with EX_IOERR when an I/O error occurs.

Reviewed by:	imp, allanjude
Sponsored by:	Apple Inc.
Differential Revision:	https://reviews.freebsd.org/D45437

This commit is contained in:

Cosimo Cecchi

2024-06-06 17:24:07 +00:00

committed by

Allan Jude

parent 60107d23d8

commit 4472fd66d0

1 changed files with 4 additions and 0 deletions

									
										usr.bin/lam/lam.c
									
		+4
		
												View File
												
				@@ -43,6 +43,7 @@

				#include <stdio.h>

				#include <stdlib.h>

				#include <string.h>

				#include <sysexits.h>

				#include <unistd.h>

				#define	MAXOFILES	20

				@@ -212,6 +213,9 @@ gatherline(struct openfile *ip)

					*p = '\0';

					if (c == EOF) {

						ip->eof = 1;

						if (ferror(ip->fp)) {

							err(EX_IOERR, NULL);

						}

						if (ip->fp == stdin)

							fclose(stdin);

						morefiles--;