Initial commit

src/cd_check_capabilities.c

@@ -0,0 +1,40 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <linux/cdrom.h>
+
+static inline void die(int code, const char* message){
+    fprintf(stderr, "%s\n", message);
+    exit(code);
+}
+
+int main(){
+    register int fd, caps;
+
+    if((fd = open("/dev/cdrom", O_RDONLY | O_NONBLOCK)) == -1)
+        die(127, "cd_check_capabilities: Cannot open /dev/cdrom");
+
+    if((caps = ioctl(fd, CDROM_GET_CAPABILITY)) == -1)
+        die(127, "cd_check_capabilities: ioctl failed");
+
+    printf("This drive is capable of playing CD-R: %s\n\t\t\t"
+           "CD-RW: %s\n\t\t\tDVD: %s\n\t\t\tDVD-R: %s\n",
+           (caps & CDC_CD_R) ? "yes" : "no",
+           (caps & CDC_CD_RW) ? "yes" : "no",
+           (caps & CDC_DVD) ? "yes" : "no",
+           (caps & CDC_DVD_R) ? "yes" : "no");
+
+    printf("It can open the tray: %s\n\t\tclose the tray: %s\n\t\t"
+           "lock the tray: %s\n\t\tplay audio: %s\n\t\t"
+           "select discs:%s\n",
+           (caps & CDC_OPEN_TRAY) ? "yes" : "no",
+           (caps & CDC_CLOSE_TRAY) ? "yes" : "no",
+           (caps & CDC_LOCK) ? "yes" : "no",
+           (caps & CDC_PLAY_AUDIO) ? "yes" : "no",
+           (caps & CDC_SELECT_DISK) ? "yes" : "no");
+
+    close(fd);
+    return 0;
+}