Fix format-truncation warnings.

There is no real bugs reported in last couple of years, so it is time to
mark this little software stable.

README.rst

@@ -53,9 +53,13 @@ which will output several lines of information and options:
      user@linux ~ $ wmamixer -l red -b '#ffff00'  # red led on yellow background
      user@linux ~ $ wmamixer -b darkslateblue  # Dark Slate Blue background
 
-* ``-d`` selects desired ALSA device. By default, first device is taken which
-  usually is `default` and nowadays is taken by pulseaudio. To list ALSA
-  devices you might use ``aplay`` program from ``alsa-utils`` package:
+* ``-d`` selects desired ALSA device. By default, first device, which is called
+  ``default`` is selected. That device is taken by pulseaudio nowadays, so
+  you'll see only two controls: one for master volume and the other for capture
+  volume. To be able to change all supported by soundcard controls, you need to
+  pass right PCM device to this option. First, you need to know which device
+  need to be passed as an argument to ``-d`` option. To list ALSA devices you
+  might use ``aplay`` program from ``alsa-utils`` package:
 
   .. code:: shell-session
 

wmamixer.c

@@ -302,14 +302,14 @@ void Mixer_set_selem_props(struct Selem *selem, const char *name) {
     }
 }
 
-void Selem_set_name(struct Selem *selem, const char *name, short int *count) {
-    char new_name[5], buf[5];
+void Selem_set_name(struct Selem *selem, const char *name, short unsigned int *count) {
+    char new_name[5], buf[4];
 
     if (*count > 10) {
         snprintf(new_name, sizeof(new_name), "%s", name);
     } else {
-        snprintf(buf, sizeof(buf) - 1, "%s", name);
-        snprintf(new_name, sizeof(new_name), "%s%d", buf, *count);
+        snprintf(buf, sizeof(buf), "%s", name);
+        snprintf(new_name, sizeof(new_name), "%s%hu", buf, *count);
     }
 
     selem->name = strdup(new_name);

wmamixer.h

@@ -38,7 +38,7 @@
 #define CLASS "Wmamixer"
 
 
-#define VERSION "0.1"
+#define VERSION "1.1"
 
 // User defines - custom
 #define BACKCOLOR "#202020"
@@ -142,7 +142,7 @@ typedef struct {
 } slideCaptureMono;
 
 struct NamesCount {
-    short int pcm, line, lineb, mic, micb, capt, vol, aux;
+    short unsigned int pcm, line, lineb, mic, micb, capt, vol, aux;
 } namesCount = {1, 1, 1, 1, 1, 1, 1, 1};
 
 struct Selem *selems[32] = {NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
@@ -194,7 +194,7 @@ void Mixer_set_right(int current, int value);
 void Mixer_set_limits(snd_mixer_elem_t *elem, struct Selem *selem);
 void Mixer_set_volume(int current, int channelIndex, int value);
 
-void Selem_set_name(struct Selem *selem, const char *name, short int *count);
+void Selem_set_name(struct Selem *selem, const char *name, short unsigned int *count);
 void Selem_destroy();
 
 #endif  // WMAMIXER_H_