entropy: Port to OpenBSD

[slstatus.git] / components / volume.c

diff --git a/components/volume.c b/components/volume.c
index 22fa02f..b2ffb40 100644 (file)
--- a/components/volume.c
+++ b/components/volume.c
@@ -1,8 +1,11 @@
 /* See LICENSE file for copyright and license details. */
 /* See LICENSE file for copyright and license details. */

-#if defined(__linux__)
-#include <err.h>
+#include <errno.h>

 #include <fcntl.h>
 #include <fcntl.h>

-#include <sys/soundcard.h>
+#if defined(__OpenBSD__)
+# include <soundcard.h>
+#else
+# include <sys/soundcard.h>
+#endif

 #include <sys/ioctl.h>
 #include <stdio.h>
 #include <string.h>
 #include <sys/ioctl.h>
 #include <stdio.h>
 #include <string.h>


@@ -17,21 +20,22 @@ vol_perc(const char *card)
        int v, afd, devmask;
        char *vnames[] = SOUND_DEVICE_NAMES;
 
        int v, afd, devmask;
        char *vnames[] = SOUND_DEVICE_NAMES;
 

-       afd = open(card, O_RDONLY | O_NONBLOCK);
-       if (afd == -1) {
-               warn("Cannot open %s", card);
+       if ((afd = open(card, O_RDONLY | O_NONBLOCK)) < 0) {
+               fprintf(stderr, "open '%s': %s\n", card, strerror(errno));

                return NULL;
        }
 
                return NULL;
        }
 

-       if (ioctl(afd, SOUND_MIXER_READ_DEVMASK, &devmask) == -1) {
-               warn("Cannot get volume for %s", card);
+       if (ioctl(afd, (int)SOUND_MIXER_READ_DEVMASK, &devmask) < 0) {
+               fprintf(stderr, "ioctl 'SOUND_MIXER_READ_DEVMASK': %s\n",
+                       strerror(errno));

                close(afd);
                return NULL;
        }
        for (i = 0; i < LEN(vnames); i++) {
                if (devmask & (1 << i) && !strcmp("vol", vnames[i])) {
                close(afd);
                return NULL;
        }
        for (i = 0; i < LEN(vnames); i++) {
                if (devmask & (1 << i) && !strcmp("vol", vnames[i])) {

-                       if (ioctl(afd, MIXER_READ(i), &v) == -1) {
-                               warn("vol_perc: ioctl");
+                       if (ioctl(afd, MIXER_READ(i), &v) < 0) {
+                               fprintf(stderr, "ioctl 'MIXER_READ(%d)': %s\n", i,
+                                       strerror(errno));

                                close(afd);
                                return NULL;
                        }
                                close(afd);
                                return NULL;
                        }


@@ -42,4 +46,3 @@ vol_perc(const char *card)
 
        return bprintf("%d", v & 0xff);
 }
 
        return bprintf("%d", v & 0xff);
 }

-#endif