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all: check stdout and stderr status at exit

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If stream status is not checked at the end of execution below problem
would not report error, or non-zero exit code.  The uptime is just an
example same was true with all commands of the project.

$ uptime >&- ; echo $?
uptime: write error: Bad file descriptor
1
$ uptime >/dev/full ; echo $?
uptime: write error: No space left on device
1

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
This commit is contained in:
Sami Kerola 2012-03-23 13:32:24 +01:00
parent c7cf98b0e0
commit 52269d22f3
17 changed files with 47 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
Makefile.am
View File

@ -46,6 +46,7 @@ dist_man_MANS = \
if BUILD_KILL
bin_PROGRAMS = kill
dist_man_MANS += kill.1
kill_SOURCES = skill.c $(top_srcdir)/lib/strutils.c $(top_srcdir)/lib/fileutils.c
endif
if WITH_NCURSES
@ -55,9 +56,9 @@ usrbin_exec_PROGRAMS += \
dist_man_MANS += \
slabtop.1 \
watch.1
slabtop_SOURCES = slabtop.c $(top_srcdir)/lib/strutils.c
slabtop_SOURCES = slabtop.c $(top_srcdir)/lib/strutils.c $(top_srcdir)/lib/fileutils.c
slabtop_LDADD = @NCURSES_LIBS@
watch_SOURCES = watch.c $(top_srcdir)/lib/strutils.c
watch_SOURCES = watch.c $(top_srcdir)/lib/strutils.c $(top_srcdir)/lib/fileutils.c
watch_LDADD = @WATCH_NCURSES_LIBS@
endif
@ -65,18 +66,23 @@ if BUILD_SKILL
usrbin_exec_PROGRAMS += \
skill \
snice
skill_SOURCES = skill.c $(top_srcdir)/lib/strutils.c
snice_SOURCES = skill.c $(top_srcdir)/lib/strutils.c
skill_SOURCES = skill.c $(top_srcdir)/lib/strutils.c $(top_srcdir)/lib/fileutils.c
snice_SOURCES = skill.c $(top_srcdir)/lib/strutils.c $(top_srcdir)/lib/fileutils.c
dist_man_MANS += \
skill.1 \
snice.1
endif
kill_SOURCES = skill.c $(top_srcdir)/lib/strutils.c
tload_SOURCES = tload.c $(top_srcdir)/lib/strutils.c
pkill_SOURCES = pgrep.c
free_SOURCES = free.c $(top_srcdir)/lib/strutils.c
vmstat_SOURCES = vmstat.c $(top_srcdir)/lib/strutils.c
free_SOURCES = free.c $(top_srcdir)/lib/strutils.c $(top_srcdir)/lib/fileutils.c
pgrep_SOURCES = pgrep.c $(top_srcdir)/lib/fileutils.c
pkill_SOURCES = pgrep.c $(top_srcdir)/lib/fileutils.c
pmap_SOURCES = pmap.c $(top_srcdir)/lib/fileutils.c
pwdx_SOURCES = pwdx.c $(top_srcdir)/lib/fileutils.c
sysctl_SOURCES = sysctl.c $(top_srcdir)/lib/fileutils.c
tload_SOURCES = tload.c $(top_srcdir)/lib/strutils.c $(top_srcdir)/lib/fileutils.c
uptime_SOURCES = uptime.c $(top_srcdir)/lib/fileutils.c
vmstat_SOURCES = vmstat.c $(top_srcdir)/lib/strutils.c $(top_srcdir)/lib/fileutils.c
w_SOURCES = w.c $(top_srcdir)/lib/fileutils.c
sysconf_DATA = sysctl.conf

2
free.c
View File

@ -32,6 +32,7 @@
#include "c.h"
#include "nls.h"
#include "strutils.h"
#include "fileutils.h"
#include <locale.h>
#include <errno.h>
@ -226,6 +227,7 @@ int main(int argc, char **argv)
setlocale (LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
atexit(close_stdout);
while ((c = getopt_long(argc, argv, "bkmghlotc:s:V", longopts, NULL)) != -1)
switch (c) {

2
pgrep.c
View File

@ -42,6 +42,7 @@
#define XALLOC_EXIT_CODE EXIT_FATAL
#include "c.h"
#include "fileutils.h"
#include "nls.h"
#include "xalloc.h"
#include "proc/readproc.h"
@ -791,6 +792,7 @@ int main (int argc, char **argv)
setlocale (LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
atexit(close_stdout);
parse_opts (argc, argv);

2
pmap.c
View File

@ -31,6 +31,7 @@
#include <unistd.h>
#include "c.h"
#include "fileutils.h"
#include "nls.h"
#include "proc/escape.h"
#include "xalloc.h"
@ -426,6 +427,7 @@ int main(int argc, char **argv)
setlocale (LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
atexit(close_stdout);
x_option = d_option = q_option = 0;

3
ps/Makefile.am
View File

@ -21,7 +21,8 @@ pscommand_SOURCES = \
parser.c \
select.c \
sortformat.c \
stacktrace.c
stacktrace.c \
$(top_srcdir)/lib/fileutils.c
EXTRA_DIST = \
HACKING \

2
ps/display.c
View File

@ -36,6 +36,7 @@
#include "../proc/version.h"
#include "../proc/wchan.h"
#include "../include/fileutils.h"
#include "common.h"
#ifndef SIGCHLD
@ -531,6 +532,7 @@ static void fancy_spew(void){
/***** no comment */
int main(int argc, char *argv[]){
atexit(close_stdout);
myname = strrchr(*argv, '/');
if (myname) ++myname; else myname = *argv;

2
pwdx.c
View File

@ -30,6 +30,7 @@
#include "c.h"
#include "nls.h"
#include "xalloc.h"
#include "fileutils.h"
static void __attribute__ ((__noreturn__)) usage(FILE * out)
{
@ -77,6 +78,7 @@ int main(int argc, char *argv[])
setlocale (LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
atexit(close_stdout);
while ((ch = getopt_long(argc, argv, "Vh", longopts, NULL)) != -1)
switch (ch) {

2
skill.c
View File

@ -35,6 +35,7 @@
#include <unistd.h>
#include "c.h"
#include "fileutils.h"
#include "strutils.h"
#include "nls.h"
#include "xalloc.h"
@ -375,6 +376,7 @@ static void __attribute__ ((__noreturn__))
setlocale (LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
atexit(close_stdout);
if (argc < 2)
kill_usage(stderr);

2
slabtop.c
View File

@ -39,6 +39,7 @@
#include <unistd.h>
#include "c.h"
#include "fileutils.h"
#include "nls.h"
#include "strutils.h"
#include "proc/slab.h"
@ -303,6 +304,7 @@ int main(int argc, char *argv[])
setlocale (LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
atexit(close_stdout);
sort_func = DEF_SORT_FUNC;

2
sysctl.c
View File

@ -40,6 +40,7 @@
#include <unistd.h>
#include "c.h"
#include "fileutils.h"
#include "nls.h"
#include "xalloc.h"
#include "proc/procps.h"
@ -675,6 +676,7 @@ int main(int argc, char *argv[])
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
atexit(close_stdout);
PrintName = true;
PrintNewline = true;

2
tload.c
View File

@ -27,6 +27,7 @@
#include "proc/version.h"
#include "proc/sysinfo.h"
#include "c.h"
#include "fileutils.h"
#include "nls.h"
#include "strutils.h"
#include "xalloc.h"
@ -117,6 +118,7 @@ int main(int argc, char **argv)
setlocale (LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
atexit(close_stdout);
while ((opt =
getopt_long(argc, argv, "s:d:Vh", longopts, NULL)) != -1)

3
top/Makefile.am
View File

@ -13,7 +13,8 @@ top_SOURCES = \
top.h \
top.c \
top_nls.h \
top_nls.c
top_nls.c \
$(top_srcdir)/lib/fileutils.c
dist_man_MANS = \
top.1

2
top/top.c
View File

@ -41,6 +41,7 @@
#include <unistd.h>
#include <values.h>
#include "../include/fileutils.h"
#include "../include/nls.h"
#include "../proc/devname.h"
@ -3902,6 +3903,7 @@ static void frame_make (void) {
* duh... */
int main (int dont_care_argc, char **argv) {
(void)dont_care_argc;
atexit(close_stdout);
before(*argv);
// +-------------+
wins_stage_1(); // top (sic) slice

2
uptime.c
View File

@ -23,6 +23,7 @@
#include <stdio.h>
#include "c.h"
#include "fileutils.h"
#include "nls.h"
#include "proc/whattime.h"
#include "proc/version.h"
@ -53,6 +54,7 @@ int main(int argc, char **argv)
setlocale (LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
atexit(close_stdout);
while ((c = getopt_long(argc, argv, "hV", longopts, NULL)) != -1)
switch (c) {

2
vmstat.c
View File

@ -45,6 +45,7 @@
#include <unistd.h>
#include "c.h"
#include "fileutils.h"
#include "nls.h"
#include "strutils.h"
#include "proc/sysinfo.h"
@ -725,6 +726,7 @@ int main(int argc, char *argv[])
setlocale (LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
atexit(close_stdout);
while ((c =
getopt_long(argc, argv, "afmnsdDp:S:hV", longopts,

2
w.c
View File

@ -24,6 +24,7 @@
*/
#include "c.h"
#include "fileutils.h"
#include "nls.h"
#include "proc/devname.h"
#include "proc/escape.h"
@ -356,6 +357,7 @@ int main(int argc, char **argv)
setlocale (LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
atexit(close_stdout);
#ifndef W_SHOWFROM
from = 0;

2
watch.c
View File

@ -29,6 +29,7 @@
#include "c.h"
#include "config.h"
#include "fileutils.h"
#include "nls.h"
#include "proc/procps.h"
#include "strutils.h"
@ -588,6 +589,7 @@ int main(int argc, char *argv[])
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
textdomain(PACKAGE);
atexit(close_stdout);
while ((optc =
getopt_long(argc, argv, "+bced::ghn:pvtx", longopts, (int *)0))