Properly output JSON with libyajl

[i3/i3status] / src / print_volume.c

diff --git a/src/print_volume.c b/src/print_volume.c
index 2945b1ec060314f8cc257d91a28219fafd9b5f40..5c34c3e6d16e0e5ef72b5bc7c5e91ec9381550a3 100644 (file)
--- a/src/print_volume.c
+++ b/src/print_volume.c
@@ -9,6 +9,12 @@
 #include <alloca.h>
 #endif
 
+#ifdef __FreeBSD__
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/soundcard.h>
+#endif
+
 #include "i3status.h"
 #include "queue.h"
 
@@ -35,8 +41,16 @@ static void free_hdl(struct mixer_hdl *hdl) {
 }
 #endif
 
-void print_volume(const char *fmt, const char *device, const char *mixer, int mixer_idx) {
-/* Printing volume only works with ALSA at the moment */
+void print_volume(yajl_gen json_gen, char *buffer, const char *fmt, const char *device, const char *mixer, int mixer_idx) {
+        char *outwalk = buffer;
+
+        /* Printing volume only works with ALSA at the moment */
+        if (output_format == O_I3BAR) {
+                char *instance;
+                asprintf(&instance, "%s.%s.%d", device, mixer, mixer_idx);
+                INSTANCE(instance);
+                free(instance);
+        }
 #ifdef LINUX
        /* Check if we already opened the mixer and get the handle
         * from cache if so */
@@ -141,13 +155,40 @@ void print_volume(const char *fmt, const char *device, const char *mixer, int mi
        const char *walk = fmt;
        for (; *walk != '\0'; walk++) {
                if (*walk != '%') {
-                       putchar(*walk);
+                        *(outwalk++) = *walk;
                        continue;
                }
                if (BEGINS_WITH(walk+1, "volume")) {
-                       printf("%d%%", avg);
+                       outwalk += sprintf(outwalk, "%d%%", avg);
                        walk += strlen("volume");
                }
        }
 #endif
+#ifdef __FreeBSD__
+        char mixerpath[] = "/dev/mixer";
+        int mixfd, vol, devmask = 0;
+
+        if ((mixfd = open(mixerpath, O_RDWR)) < 0)
+                return;
+        if (ioctl(mixfd, SOUND_MIXER_READ_DEVMASK, &devmask) == -1)
+                return;
+        if (ioctl(mixfd, MIXER_READ(0),&vol) == -1)
+                return;
+
+        const char *walk = fmt;
+        for (; *walk != '\0'; walk++) {
+                if (*walk != '%') {
+                        *(outwalk++) = *walk;
+                        continue;
+                }
+                if (BEGINS_WITH(walk+1, "volume")) {
+                        outwalk += sprintf(outwalk, "%d%%", vol & 0x7f);
+                        walk += strlen("volume");
+                }
+        }
+        close(mixfd);
+#endif
+
+        *outwalk = '\0';
+        OUTPUT_FULL_TEXT(buffer);
 }