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Updates for write path..

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This commit is contained in:
Jaroslav Kysela 1999-01-30 17:28:44 +00:00
parent 20ead97821
commit 69f215efe9
2 changed files with 18 additions and 10 deletions
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20
amixer/amain.cpp
View file

@ -50,7 +50,7 @@ void usage()
printf("\n"
"Usage: amixer [-c card] [-d dev] device [vol|L:R] [mute|unmute] [rec|norec]\n\n"
" amixer [-p path] -r\tRead %s or <path> settings\n"
" amixer -w\t\tWrite %s settings\n"
" amixer [-p path] -w\tWrite %s or <path> settings\n"
" amixer -q ...\t\tQuiet mode\n"
" amixer -h\t\tHelp\n\n"
"Example: amixer line-out 80:50 unmute rec\n\n", rc_file(), rc_file());
@ -68,7 +68,9 @@ void read_config(Mixer * mix, const char *path)
int count = 0;
int flags;
if ((rc = fopen(path ? path : rc_file(), "r")) == NULL) {
if (path && strcmp(path, "-") == 0)
rc = stdin;
else if ((rc = fopen(path ? path : rc_file(), "r")) == NULL) {
printf("Mixer values not read\n");
return;
}
@ -93,16 +95,19 @@ void read_config(Mixer * mix, const char *path)
mix->Write(left, right, flags);
}
fclose(rc);
if (rc != stdin)
fclose(rc);
return;
}
void write_config(Mixer * mix)
void write_config(Mixer * mix, const char *path)
{
FILE *rc;
int32 left, right, flags;
if ((rc = fopen(rc_file(), "w+")) == NULL) {
if (path && strcmp(path, "-") == 0)
rc = stdout;
else if ((rc = fopen(path ? path : rc_file(), "w+")) == NULL) {
printf("Mixer values not written\n");
return;
}
@ -113,7 +118,8 @@ void write_config(Mixer * mix)
mix->Read(&left, &right, &flags);
fprintf(rc, "%d %d:%d %d %d\n", i, mix->Left(), mix->Right(), flags & E_MIXER_MUTE ? 1 : 0, flags & E_MIXER_RECORD ? 1 : 0);
}
fclose(rc);
if (rc != stdout)
fclose(rc);
return;
}
@ -165,7 +171,7 @@ int main(int argc, char **argv)
} else if (argv[add][1] == 'w') {
the_mixer = new Mixer(card, device);
if (the_mixer && the_mixer->Init())
write_config(the_mixer);
write_config(the_mixer, pathind ? argv[pathind] : (const char *) NULL);
delete the_mixer;
return 0;
} else if (argv[add][1] == 'q') {

8
amixer/amixer.1
View file

@ -48,10 +48,12 @@ than I do. :)
Help: show syntax.
.TP
[\fI-p\fP path] \fI-r\fP
Read settings from $HOME/.amixerrc or from optional <path>.
Read settings from $HOME/.amixerrc or from optional <path>. If <path>
is ``\-'', reads from the standard input.
.TP
\fI-w\fP
Write the current mixer settings into $HOME/.amixerrc
[\fI-p\fP path] \fI-w\fP
Write the current mixer settings into $HOME/.amixerrc or optional <path>.
If <path> is ``\-'', writes to the standard output.
.TP
\fI-q\fP
Quiet mode. Do not show results of changes.