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setterm: use libc error printing facilities 

Signed-off-by: Sami Kerola <kerolasa@iki.fi>
Signed-off-by: Karel Zak <kzak@redhat.com>
This commit is contained in:
Sami Kerola 2011-04-02 22:56:52 +02:00 committed by Karel Zak
parent faa0548de4
commit 261f1423fb
1 changed files with 27 additions and 21 deletions
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48
term-utils/setterm.c
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@ -135,6 +135,9 @@ extern int klogctl(int type, char *buf, int len);
/* Constants. */
/* Non-standard return values. */
#define EXIT_DUMPFILE -1
/* Keyboard types. */
#define PC 0
#define OLIVETTI 1
@ -1066,17 +1069,17 @@ perform_sequence(int vcterm) {
else if (opt_bl_min == BLANKSCREEN) {
char ioctlarg = TIOCL_BLANKSCREEN;
if (ioctl(0,TIOCLINUX,&ioctlarg))
fprintf(stderr,_("cannot force blank\n"));
warn(_("cannot force blank"));
} else if (opt_bl_min == UNBLANKSCREEN) {
char ioctlarg = TIOCL_UNBLANKSCREEN;
if (ioctl(0,TIOCLINUX,&ioctlarg))
fprintf(stderr,_("cannot force unblank\n"));
warn(_("cannot force unblank"));
} else if (opt_bl_min == BLANKEDSCREEN) {
char ioctlarg = TIOCL_BLANKEDSCREEN;
int ret;
ret = ioctl(0,TIOCLINUX,&ioctlarg);
if (ret < 0)
fprintf(stderr,_("cannot get blank status\n"));
warn(_("cannot get blank status"));
else
printf("%d\n",ret);
}
@ -1088,7 +1091,7 @@ perform_sequence(int vcterm) {
ioctlarg[0] = TIOCL_SETVESABLANK;
ioctlarg[1] = opt_ps_mode;
if (ioctl(0,TIOCLINUX,ioctlarg))
fprintf(stderr,_("cannot (un)set powersave mode\n"));
warn(_("cannot (un)set powersave mode"));
}
/* -powerdown [0-60]. */
@ -1107,12 +1110,9 @@ perform_sequence(int vcterm) {
FILE *F;
F = fopen(opt_sn_name, opt_snap ? "w" : "a");
if (!F) {
perror(opt_sn_name);
fprintf(stderr,("setterm: can not open dump file %s for output\n"),
if (!F)
err(EXIT_DUMPFILE, _("can not open dump file %s for output"),
opt_sn_name);
exit(-1);
}
screendump(opt_sn_num, F);
fclose(F);
}
@ -1127,7 +1127,7 @@ perform_sequence(int vcterm) {
result = klogctl(6, NULL, 0);
if (result != 0)
printf(_("klogctl error: %s\n"), strerror(errno));
warn(_("klogctl error"));
}
/* -msglevel [0-8] */
@ -1135,7 +1135,7 @@ perform_sequence(int vcterm) {
/* 8 -- Set level of messages printed to console */
result = klogctl(8, NULL, opt_msglevel_num);
if (result != 0)
printf(_("klogctl error: %s\n"), strerror(errno));
warn(_("klogctl error"));
}
/* -blength [0-2000] */
@ -1201,18 +1201,18 @@ screendump(int vcnum, FILE *F) {
*q++ = '\n';
}
if (fwrite(outbuf, 1, q-outbuf, F) != q-outbuf) {
fprintf(stderr, _("Error writing screendump\n"));
warnx(_("Error writing screendump"));
goto error;
}
close(fd);
return;
read_error:
fprintf(stderr, _("Couldn't read %s\n"), infile);
warnx(_("Couldn't read %s"), infile);
error:
if (fd >= 0)
close(fd);
exit(1);
exit(EXIT_FAILURE);
}
int
@ -1221,6 +1221,7 @@ main(int argc, char **argv) {
int arg, modifier;
char *term; /* Terminal type. */
int vcterm; /* Set if terminal is a virtual console. */
int errret;
setlocale(LC_ALL, "");
bindtextdomain(PACKAGE, LOCALEDIR);
@ -1259,16 +1260,21 @@ main(int argc, char **argv) {
term = opt_te_terminal_name;
} else {
term = getenv("TERM");
if (term == NULL) {
fprintf(stderr, _("%s: $TERM is not defined.\n"),
argv[0]);
exit(1);
}
if (term == NULL)
errx(EXIT_FAILURE, _("$TERM is not defined."));
}
/* Find terminfo entry. */
setupterm(term, 1, (int *)0);
if (setupterm(term, 1, &errret))
switch(errret) {
case -1:
errx(EXIT_FAILURE, _("terminfo database cannot be found"));
case 0:
errx(EXIT_FAILURE, _("%s: unknown terminal type"), term);
case 1:
errx(EXIT_FAILURE, _("terminal is hardcopy"));
}
/* See if the terminal is a virtual console terminal. */
@ -1278,5 +1284,5 @@ main(int argc, char **argv) {
perform_sequence(vcterm);
return 0;
return EXIT_SUCCESS;
}