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tools: cleanup up printf

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Make all tools output to stdout (pw-mon mostly) so that we can pipe the
output around.
Send errors to stderr.
fprintf(stdout, ...)  -> printf(...)
setlinebuf for stdout so that pipe works better.

See #2110
This commit is contained in:
Wim Taymans 2022-02-07 17:03:46 +01:00
parent a16cd95593
commit afc88a12e5
12 changed files with 349 additions and 334 deletions
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12
src/tools/pw-top.c
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@ -374,7 +374,7 @@ static void registry_event_global(void *data, uint32_t id,
}
} else if (spa_streq(type, PW_TYPE_INTERFACE_Profiler)) {
if (d->profiler != NULL) {
fprintf(stderr, "Ignoring profiler %d: already attached\n", id);
printf("Ignoring profiler %d: already attached\n", id);
return;
}
@ -443,9 +443,9 @@ static void do_quit(void *data, int signal_number)
pw_main_loop_quit(d->loop);
}
static void show_help(const char *name)
static void show_help(const char *name, bool error)
{
fprintf(stdout, "%s [options]\n"
fprintf(error ? stderr : stdout, "%s [options]\n"
" -h, --help Show this help\n"
" --version Show version\n"
" -r, --remote Remote daemon name\n",
@ -506,10 +506,10 @@ int main(int argc, char *argv[])
while ((c = getopt_long(argc, argv, "hVr:o:", long_options, NULL)) != -1) {
switch (c) {
case 'h':
show_help(argv[0]);
show_help(argv[0], false);
return 0;
case 'V':
fprintf(stdout, "%s\n"
printf("%s\n"
"Compiled with libpipewire %s\n"
"Linked with libpipewire %s\n",
argv[0],
@ -520,7 +520,7 @@ int main(int argc, char *argv[])
opt_remote = optarg;
break;
default:
show_help(argv[0]);
show_help(argv[0], true);
return -1;
}
}