svn commit: r317709 - head/usr.bin/csplit

[Jilles Tjoelker]

Author: jilles
Date: Tue May  2 21:56:20 2017
New Revision: 317709
URL: https://svnweb.freebsd.org/changeset/base/317709

Log:
  csplit: Fix check of fputs() return value, making csplit work again.
  
  As of r295638, fputs() returns the number of bytes written (if not more than
  INT_MAX). This broke csplit completely, since csplit assumed only success
  only for the return value 0.
  
  PR:		213510
  Submitted by:	J.R. Oldroyd
  MFC after:	1 week
  Relnotes:	yes

Modified:
  head/usr.bin/csplit/csplit.c

Modified: head/usr.bin/csplit/csplit.c
==============================================================================
--- head/usr.bin/csplit/csplit.c	Tue May  2 21:33:27 2017	(r317708)
+++ head/usr.bin/csplit/csplit.c	Tue May  2 21:56:20 2017	(r317709)
@@ -195,7 +195,7 @@ main(int argc, char *argv[])
 	/* Copy the rest into a new file. */
 	if (!feof(infile)) {
 		ofp = newfile();
-		while ((p = get_line()) != NULL && fputs(p, ofp) == 0)
+		while ((p = get_line()) != NULL && fputs(p, ofp) != EOF)
 			;
 		if (!sflag)
 			printf("%jd\n", (intmax_t)ftello(ofp));
@@ -392,7 +392,7 @@ do_rexp(const char *expr)
 	/* Read and output lines until we get a match. */
 	first = 1;
 	while ((p = get_line()) != NULL) {
-		if (fputs(p, ofp) != 0)
+		if (fputs(p, ofp) == EOF)
 			break;
 		if (!first && regexec(&cre, p, 0, NULL, 0) == 0)
 			break;
@@ -453,7 +453,7 @@ do_lineno(const char *expr)
 		while (lineno + 1 != lastline) {
 			if ((p = get_line()) == NULL)
 				errx(1, "%ld: out of range", lastline);
-			if (fputs(p, ofp) != 0)
+			if (fputs(p, ofp) == EOF)
 				break;
 		}
 		if (!sflag)