From: Jaroslav Kysela <perex@perex.cz>
Date: Sat, 11 Dec 1999 10:50:39 +0000 (+0000)
Subject: Added 'snd_card_get_name' & 'snd_card_get_longname'.
X-Git-Tag: v1.0.3~1387
X-Git-Url: https://git.alsa-project.org/?a=commitdiff_plain;h=0f0ce095098ec345329527fa9c3af197dc134baf;p=alsa-lib.git

Added 'snd_card_get_name' & 'snd_card_get_longname'.
---

diff --git a/include/control.h b/include/control.h
index 719b455b..e89fc7f7 100644
--- a/include/control.h
+++ b/include/control.h
@@ -22,6 +22,8 @@ int snd_card_load(int card);
 int snd_cards(void);
 unsigned int snd_cards_mask(void);
 int snd_card_name(const char *name);
+int snd_card_get_name(int card, char **name);
+int snd_card_get_longname(int card, char **name);
 
 int snd_defaults_card(void);
 int snd_defaults_mixer_card(void);
diff --git a/src/control/cards.c b/src/control/cards.c
index 94d96767..da6b93f3 100644
--- a/src/control/cards.c
+++ b/src/control/cards.c
@@ -22,6 +22,7 @@
 #include <stdio.h>
 #include <stdlib.h>
 #include <unistd.h>
+#include <string.h>
 #include <errno.h>
 #include <ctype.h>
 #include <fcntl.h>
@@ -126,3 +127,45 @@ int snd_card_name(const char *string)
 	}
 	return -ENODEV;
 }
+
+int snd_card_get_name(int card, char **name)
+{
+	snd_ctl_t *handle;
+	struct snd_ctl_hw_info info;
+	int err;
+	
+	if (name == NULL)
+		return -EINVAL;
+	if ((err = snd_ctl_open(&handle, card)) < 0)
+		return err;
+	if ((err = snd_ctl_hw_info(handle, &info)) < 0) {
+		snd_ctl_close(handle);
+		return err;
+	}
+	snd_ctl_close(handle);
+	*name = strdup(info.name);
+	if (*name == NULL)
+		return -ENOMEM;
+	return 0;
+}
+
+int snd_card_get_longname(int card, char **name)
+{
+	snd_ctl_t *handle;
+	struct snd_ctl_hw_info info;
+	int err;
+	
+	if (name == NULL)
+		return -EINVAL;
+	if ((err = snd_ctl_open(&handle, card)) < 0)
+		return err;
+	if ((err = snd_ctl_hw_info(handle, &info)) < 0) {
+		snd_ctl_close(handle);
+		return err;
+	}
+	snd_ctl_close(handle);
+	*name = strdup(info.longname);
+	if (*name == NULL)
+		return -ENOMEM;
+	return 0;
+}