More documentation. Added mode argument to i/o_stdio_open.

diff --git a/alsactl/alsactl.c b/alsactl/alsactl.c
index 3c29428b50d38ec79b0a8a2c8ee67141fdcf715e..29ed44eadbacd17ebfcb715c42775b4f604d6ad7 100644 (file)
--- a/alsactl/alsactl.c
+++ b/alsactl/alsactl.c
@@ -926,7 +926,7 @@ static int save_state(char *file, const char *cardname)
                return err;
        }
        stdio = !strcmp(file, "-");
-       if (!stdio && (err = snd_input_stdio_open(&in, file)) >= 0) {
+       if (!stdio && (err = snd_input_stdio_open(&in, file, "r")) >= 0) {
                err = snd_config_load(config, in);
                snd_input_close(in);
 #if 0
@@ -972,7 +972,7 @@ static int save_state(char *file, const char *cardname)
        if (stdio)
                err = snd_output_stdio_attach(&out, stdout, 0);
        else
-               err = snd_output_stdio_open(&out, file);
+               err = snd_output_stdio_open(&out, file, "w");
        if (err < 0) {
                error("Cannot open %s for writing", file);
                return -errno;
@@ -1001,7 +1001,7 @@ static int load_state(char *file, const char *cardname)
        if (stdio)
                err = snd_input_stdio_attach(&in, stdin, 0);
        else
-               err = snd_input_stdio_open(&in, file);
+               err = snd_input_stdio_open(&in, file, "r");
        if (err >= 0) {
                err = snd_config_load(config, in);
                snd_input_close(in);