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authorLennart Poettering <lennart@poettering.net>2004-07-12 21:28:11 +0000
committerLennart Poettering <lennart@poettering.net>2004-07-12 21:28:11 +0000
commitb69178b067d4151de08bdcdaa9922d2838134c3c (patch)
treee588ed124761545f3b88bc1b3e52abf36f49a9d7
parentd4e0d51c157dea740d35089f077451b6ec7b11a5 (diff)
add preliminary command line parsing
git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@64 fefdeb5f-60dc-0310-8127-8f9354f1896f
-rw-r--r--src/Makefile.am3
-rw-r--r--src/cmdline.c102
-rw-r--r--src/cmdline.h19
-rw-r--r--src/main.c15
4 files changed, 138 insertions, 1 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
index e8704f78..bdd621ab 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -84,7 +84,8 @@ polypaudio_SOURCES = idxset.c idxset.h \
sconv-s16le.c sconv-s16le.h \
sconv-s16be.c sconv-s16be.h \
sioman.c sioman.h \
- modargs.c modargs.h
+ modargs.c modargs.h \
+ cmdline.c cmdline.h
polypaudio_CFLAGS = $(AM_CFLAGS) $(LIBSAMPLERATE_CFLAGS)
polypaudio_INCLUDES = $(INCLTDL)
diff --git a/src/cmdline.c b/src/cmdline.c
new file mode 100644
index 00000000..36fe3e61
--- /dev/null
+++ b/src/cmdline.c
@@ -0,0 +1,102 @@
+#include <string.h>
+#include <assert.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <getopt.h>
+
+#include "cmdline.h"
+#include "util.h"
+
+void pa_cmdline_help(const char *argv0) {
+ const char *e;
+
+ if ((e = strrchr(argv0, '/')))
+ e++;
+ else
+ e = argv0;
+
+ printf("%s [options]\n"
+ " -L MODULE Load the specified plugin module with the specified argument\n"
+ " -F FILE A shortcut for '-L module-cli file=FILE', i.e. run the specified script after startup\n"
+ " -C A shortcut for '-L module-cli', i.e. open a command line on the running TTY\n"
+ " -D Daemonize after loading the modules\n"
+ " -h Show this help\n", e);
+}
+
+static void add_module(struct pa_cmdline *cmdline, char *name, char *arguments) {
+ struct pa_cmdline_module *m;
+ assert(cmdline && name);
+
+ m = malloc(sizeof(struct pa_cmdline_module));
+ assert(m);
+ m->name = name;
+ m->arguments = name;
+ m->next = NULL;
+
+ if (cmdline->last_module)
+ cmdline->last_module->next = m;
+ else {
+ assert(!cmdline->first_module);
+ cmdline->first_module = m;
+ }
+ cmdline->last_module = m;
+}
+
+struct pa_cmdline* pa_cmdline_parse(int argc, char * const argv []) {
+ char c;
+ struct pa_cmdline *cmdline = NULL;
+ assert(argc && argv);
+
+ cmdline = malloc(sizeof(struct pa_cmdline));
+ assert(cmdline);
+ cmdline->daemonize = cmdline->help = 0;
+ cmdline->first_module = cmdline->last_module = NULL;
+
+ while ((c = getopt(argc, argv, "L:F:CDh")) != -1) {
+ switch (c) {
+ case 'L': {
+ char *space;
+ if ((space = strchr(optarg, ' ')))
+ add_module(cmdline, strndup(optarg, space-optarg), space+1);
+ else
+ add_module(cmdline, strdup(optarg), NULL);
+ break;
+ }
+ case 'F':
+ add_module(cmdline, strdup("module-cli"), pa_sprintf_malloc("file='%s'", optarg));
+ break;
+ case 'C':
+ add_module(cmdline, strdup("module-cli"), NULL);
+ break;
+ case 'D':
+ cmdline->daemonize = 1;
+ break;
+ case 'h':
+ cmdline->help = 1;
+ break;
+ default:
+ goto fail;
+ }
+ }
+
+ return cmdline;
+
+fail:
+ if (cmdline)
+ pa_cmdline_free(cmdline);
+ return NULL;
+}
+
+void pa_cmdline_free(struct pa_cmdline *cmd) {
+ struct pa_cmdline_module *m;
+ assert(cmd);
+
+ while ((m = cmd->first_module)) {
+ cmd->first_module = m->next;
+ free(m->name);
+ free(m->arguments);
+ free(m);
+ }
+
+ free(cmd);
+}
diff --git a/src/cmdline.h b/src/cmdline.h
new file mode 100644
index 00000000..9a647706
--- /dev/null
+++ b/src/cmdline.h
@@ -0,0 +1,19 @@
+#ifndef foocmdlinehfoo
+#define foocmdlinehfoo
+
+struct pa_cmdline_module {
+ char *name, *arguments;
+ struct pa_cmdline_module *next;
+};
+
+struct pa_cmdline {
+ int daemonize, help;
+ struct pa_cmdline_module *first_module, *last_module;
+};
+
+struct pa_cmdline* pa_cmdline_parse(int argc, char * const argv []);
+void pa_cmdline_free(struct pa_cmdline *cmd);
+
+void pa_cmdline_help(const char *argv0);
+
+#endif
diff --git a/src/main.c b/src/main.c
index 8ba554c8..e2c8eb63 100644
--- a/src/main.c
+++ b/src/main.c
@@ -9,6 +9,7 @@
#include "mainloop.h"
#include "module.h"
#include "mainloop-signal.h"
+#include "cmdline.h"
static struct pa_mainloop *mainloop;
@@ -26,8 +27,20 @@ static void aux_signal_callback(void *id, int sig, void *userdata) {
int main(int argc, char *argv[]) {
struct pa_core *c;
+ struct pa_cmdline *cmdline = NULL;
int r, retval = 0;
+ if (!(cmdline = pa_cmdline_parse(argc, argv))) {
+ fprintf(stderr, "Failed to parse command line.\n");
+ return 1;
+ }
+
+ if (cmdline->help) {
+ pa_cmdline_help(argv[0]);
+ pa_cmdline_free(cmdline);
+ return 0;
+ }
+
r = lt_dlinit();
assert(r == 0);
@@ -67,6 +80,8 @@ int main(int argc, char *argv[]) {
pa_signal_done();
pa_mainloop_free(mainloop);
+
+
lt_dlexit();
return retval;