summaryrefslogtreecommitdiff
path: root/src/print_volume.c
diff options
context:
space:
mode:
authorIngo Bürk <admin@airblader.de>2020-05-01 09:42:49 +0200
committerGitHub <noreply@github.com>2020-05-01 09:42:49 +0200
commit675c423647864837e1261a01202cd932d548e1cd (patch)
tree9e5834b479194571f41748e6934bcaaf06d8cfbc /src/print_volume.c
parenteb6c840c38ebd2d7797ea599b9e8207a2e8e5033 (diff)
parent269c06c4bb49a22ebe132029ea7fd9f11722be16 (diff)
Merge pull request #409 from Stunkymonkey/format_placeholder-volume
Format placeholder volume
Diffstat (limited to 'src/print_volume.c')
-rw-r--r--src/print_volume.c66
1 files changed, 33 insertions, 33 deletions
diff --git a/src/print_volume.c b/src/print_volume.c
index 89955a8..0331ed5 100644
--- a/src/print_volume.c
+++ b/src/print_volume.c
@@ -31,6 +31,8 @@
#include "i3status.h"
#include "queue.h"
+#define STRING_SIZE 10
+
#define ALSA_VOLUME(channel) \
err = snd_mixer_selem_get_##channel##_dB_range(elem, &min, &max) || \
snd_mixer_selem_get_##channel##_dB(elem, 0, &val); \
@@ -48,30 +50,20 @@
fmt = fmt_muted; \
}
-static char *apply_volume_format(const char *fmt, char *outwalk, int ivolume, const char *devicename) {
- const char *walk = fmt;
-
- for (; *walk != '\0'; walk++) {
- if (*walk != '%') {
- *(outwalk++) = *walk;
+static char *apply_volume_format(const char *fmt, char *buffer, int ivolume, const char *devicename) {
+ char string_volume[STRING_SIZE];
- } else if (BEGINS_WITH(walk + 1, "%")) {
- outwalk += sprintf(outwalk, "%s", pct_mark);
- walk += strlen("%");
+ snprintf(string_volume, STRING_SIZE, "%d%s", ivolume, pct_mark);
- } else if (BEGINS_WITH(walk + 1, "volume")) {
- outwalk += sprintf(outwalk, "%d%s", ivolume, pct_mark);
- walk += strlen("volume");
+ placeholder_t placeholders[] = {
+ {.name = "%%", .value = pct_mark},
+ {.name = "%volume", .value = string_volume},
+ {.name = "%devicename", .value = devicename}};
- } else if (BEGINS_WITH(walk + 1, "devicename")) {
- outwalk += sprintf(outwalk, "%s", devicename);
- walk += strlen("devicename");
+ const size_t num = sizeof(placeholders) / sizeof(placeholder_t);
+ buffer = format_placeholders(fmt, &placeholders[0], num);
- } else {
- *(outwalk++) = '%';
- }
- }
- return outwalk;
+ return buffer;
}
void print_volume(yajl_gen json_gen, char *buffer, const char *fmt, const char *fmt_muted, const char *device, const char *mixer, int mixer_idx) {
@@ -119,11 +111,11 @@ void print_volume(yajl_gen json_gen, char *buffer, const char *fmt, const char *
/* negative result means error, stick to 0 */
if (ivolume < 0)
ivolume = 0;
- outwalk = apply_volume_format(muted ? fmt_muted : fmt,
- outwalk,
- ivolume,
- description);
- goto out;
+ buffer = apply_volume_format(muted ? fmt_muted : fmt,
+ buffer,
+ ivolume,
+ description);
+ goto out_with_format;
} else if (!strcasecmp(device, "default") && pulse_initialize()) {
/* no device specified or "default" set */
char description[MAX_SINK_DESCRIPTION_LEN];
@@ -136,11 +128,11 @@ void print_volume(yajl_gen json_gen, char *buffer, const char *fmt, const char *
START_COLOR("color_degraded");
pbval = 0;
}
- outwalk = apply_volume_format(muted ? fmt_muted : fmt,
- outwalk,
- ivolume,
- description);
- goto out;
+ buffer = apply_volume_format(muted ? fmt_muted : fmt,
+ buffer,
+ ivolume,
+ description);
+ goto out_with_format;
}
/* negative result or NULL description means error, fail PulseAudio attempt */
}
@@ -242,10 +234,11 @@ void print_volume(yajl_gen json_gen, char *buffer, const char *fmt, const char *
ALSA_MUTE_SWITCH(capture)
}
- outwalk = apply_volume_format(fmt, outwalk, avg, mixer_name);
+ buffer = apply_volume_format(fmt, buffer, avg, mixer_name);
snd_mixer_close(m);
snd_mixer_selem_id_free(sid);
+ goto out_with_format;
#endif
#if defined(__FreeBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) || defined(__DragonFly__)
@@ -356,13 +349,20 @@ void print_volume(yajl_gen json_gen, char *buffer, const char *fmt, const char *
}
#endif
- outwalk = apply_volume_format(fmt, outwalk, vol & 0x7f, devicename);
+ buffer = apply_volume_format(fmt, buffer, vol & 0x7f, devicename);
close(mixfd);
+ goto out_with_format;
#endif
out:
- *outwalk = '\0';
if (!pbval)
END_COLOR;
OUTPUT_FULL_TEXT(buffer);
+ return;
+
+out_with_format:
+ if (!pbval)
+ END_COLOR;
+ OUTPUT_FULL_TEXT(buffer);
+ free(buffer);
}