term-utils: verify writing to streams was successful

Signed-off-by: Sami Kerola <kerolasa@iki.fi>

term-utils/mesg.c

@@ -54,6 +54,8 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <getopt.h>
+
+#include "closestream.h"
 #include "nls.h"
 #include "c.h"
 
@@ -88,6 +90,7 @@ int main(int argc, char *argv[])
 	setlocale(LC_ALL, "");
 	bindtextdomain(PACKAGE, LOCALEDIR);
 	textdomain(PACKAGE);
+	atexit(close_stdout);
 
 	static const struct option longopts[] = {
 		{ "verbose",    no_argument,       0, 'v' },

term-utils/script.c

@@ -59,6 +59,7 @@
 #include <locale.h>
 #include <stddef.h>
 
+#include "closestream.h"
 #include "nls.h"
 #include "c.h"
 
@@ -180,6 +181,7 @@ main(int argc, char **argv) {
 	setlocale(LC_NUMERIC, "C");	/* see comment above */
 	bindtextdomain(PACKAGE, LOCALEDIR);
 	textdomain(PACKAGE);
+	atexit(close_stdout);
 
 	while ((ch = getopt_long(argc, argv, "ac:efqt::Vh", longopts, NULL)) != -1)
 		switch(ch) {
@@ -283,7 +285,8 @@ main(int argc, char **argv) {
 	}
 	doinput();
 
-	fclose(timingfd);
+	if (close_stream(timingfd) != 0)
+		errx(EXIT_FAILURE, _("write error"));
 	return EXIT_SUCCESS;
 }
 
@@ -292,7 +295,8 @@ doinput(void) {
 	ssize_t cc;
 	char ibuf[BUFSIZ];
 
-	fclose(fscript);
+	if (close_stream(fscript) != 0)
+		errx(EXIT_FAILURE, _("write error"));
 
 	while (die == 0) {
 		if ((cc = read(STDIN_FILENO, ibuf, BUFSIZ)) > 0) {
@@ -404,6 +408,8 @@ dooutput(FILE *timingfd) {
 
 	if (flgs)
 		fcntl(master, F_SETFL, flgs);
+	if (close_stream(timingfd) != 0)
+		errx(EXIT_FAILURE, _("write error"));
 	done();
 }
 
@@ -423,7 +429,8 @@ doshell(void) {
 
 	getslave();
 	close(master);
-	fclose(fscript);
+	if (close_stream(fscript) != 0)
+		errx(EXIT_FAILURE, _("write error"));
 	dup2(slave, STDIN_FILENO);
 	dup2(slave, STDOUT_FILENO);
 	dup2(slave, STDERR_FILENO);
@@ -484,7 +491,8 @@ done(void) {
 			my_strftime(buf, sizeof buf, "%c\n", localtime(&tvec));
 			fprintf(fscript, _("\nScript done on %s"), buf);
 		}
-		fclose(fscript);
+		if (close_stream(fscript) != 0)
+			errx(EXIT_FAILURE, _("write error"));
 		close(master);
 
 		master = -1;

term-utils/scriptreplay.c

@@ -28,6 +28,7 @@
 #include <unistd.h>
 #include <getopt.h>
 
+#include "closestream.h"
 #include "nls.h"
 #include "c.h"
 
@@ -153,6 +154,7 @@ main(int argc, char *argv[])
 
 	bindtextdomain(PACKAGE, LOCALEDIR);
 	textdomain(PACKAGE);
+	atexit(close_stdout);
 
 	while ((ch = getopt_long(argc, argv, "t:s:d:Vh", longopts, NULL)) != -1)
 		switch(ch) {

term-utils/setterm.c

@@ -121,6 +121,7 @@
 #include "c.h"
 #include "xalloc.h"
 #include "nls.h"
+#include "closestream.h"
 
 #if __GNU_LIBRARY__ < 5
 #ifndef __alpha__
@@ -1113,7 +1114,8 @@ perform_sequence(int vcterm) {
 			err(EXIT_DUMPFILE, _("can not open dump file %s for output"),
 				opt_sn_name); 
 		screendump(opt_sn_num, F);
-		fclose(F);
+		if (close_stream(F) != 0)
+			errx(EXIT_FAILURE, _("write error"));
 	}
 
 	/* -msg [on|off]. */
@@ -1225,6 +1227,7 @@ main(int argc, char **argv) {
 	setlocale(LC_ALL, "");
 	bindtextdomain(PACKAGE, LOCALEDIR);
 	textdomain(PACKAGE);
+	atexit(close_stdout);
 
 	if (argc < 2)
 		bad_arg = TRUE;

term-utils/ttymsg.c

@@ -51,8 +51,9 @@
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
-#include "nls.h"
 
+#include "nls.h"
+#include "closestream.h"
 #include "pathnames.h"
 #include "ttymsg.h"
 

term-utils/wall.c

@@ -67,6 +67,7 @@
 #include "carefulputc.h"
 #include "c.h"
 #include "fileutils.h"
+#include "closestream.h"
 
 #define	IGNOREUSER	"sleeper"
 #define WRITE_TIME_OUT	300		/* in seconds */
@@ -114,6 +115,7 @@ main(int argc, char **argv) {
 	setlocale(LC_ALL, "");
 	bindtextdomain(PACKAGE, LOCALEDIR);
 	textdomain(PACKAGE);
+	atexit(close_stdout);
 
 	static const struct option longopts[] = {
 		{ "nobanner",	no_argument,		0, 'n' },
@@ -281,6 +283,7 @@ makemsg(char *fname, size_t *mbufsize, int print_banner)
 	if (fread(mbuf, 1, *mbufsize, fp) != *mbufsize)
 		err(EXIT_FAILURE, _("fread failed"));
 
-	fclose(fp);
+	if (close_stream(fp) != 0)
+		errx(EXIT_FAILURE, _("write error"));
 	return mbuf;
 }

term-utils/write.c

@@ -59,8 +59,10 @@
 #include <paths.h>
 #include <asm/param.h>
 #include <getopt.h>
+
 #include "c.h"
 #include "carefulputc.h"
+#include "closestream.h"
 #include "nls.h"
 
 static void __attribute__ ((__noreturn__)) usage(FILE * out);
@@ -103,6 +105,7 @@ int main(int argc, char **argv)
 	setlocale(LC_ALL, "");
 	bindtextdomain(PACKAGE, LOCALEDIR);
 	textdomain(PACKAGE);
+	atexit(close_stdout);
 
 	while ((c = getopt_long(argc, argv, "Vh", longopts, NULL)) != -1)
 		switch (c) {