From: Karel Zak <kzak@redhat.com>
Date: Wed, 4 Mar 2020 12:20:56 +0000 (+0100)
Subject: rev: report line on error
X-Git-Tag: v2.36-rc1~197
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e0e29759981430e572087dfc27334939ec47fd24;p=thirdparty%2Futil-linux.git

rev: report line on error

Signed-off-by: Karel Zak <kzak@redhat.com>
---

diff --git a/text-utils/rev.c b/text-utils/rev.c
index ae9cae5dcd..133d813931 100644
--- a/text-utils/rev.c
+++ b/text-utils/rev.c
@@ -103,6 +103,7 @@ int main(int argc, char *argv[])
 	size_t len, bufsiz = BUFSIZ;
 	FILE *fp = stdin;
 	int ch, rval = EXIT_SUCCESS;
+	uintmax_t line;
 
 	static const struct option longopts[] = {
 		{ "version",    no_argument,       NULL, 'V' },
@@ -144,6 +145,7 @@ int main(int argc, char *argv[])
 			filename = *argv++;
 		}
 
+		line = 0;
 		while (fgetws(buf, bufsiz, fp)) {
 			len = wcslen(buf);
 
@@ -168,9 +170,10 @@ int main(int argc, char *argv[])
 				buf[len--] = '\0';
 			reverse_str(buf, len);
 			fputws(buf, stdout);
+			line++;
 		}
 		if (ferror(fp)) {
-			warn("%s", filename);
+			warn("%s: %ju", filename, line);
 			rval = EXIT_FAILURE;
 		}
 		if (fp != stdin)