common/common.c: Just say fases && extras/errno: Refactor (use strerrno and print_usage() )

Signed-off-by: Ferass El Hafidi <vitali64pmemail@protonmail.com>

3 files changed, 8 insertions, 255 deletions

diff --git a/common/common.c b/common/common.c
index f9f8f52..4426f46 100644
--- a/common/common.c
+++ b/common/common.c
@@ -31,7 +31,7 @@
 #include "common.h"
 
 int print_usage(char *name, char *desc, char *params, char *version) {
-	printf("fases core. (%s)\n"
+	printf("fases (%s)\n"
 	"Usage: %s %s\n"
 	"%s\n", version, name, params, desc);
 	return 1; /* This function is mostly called on error so return 1 */
diff --git a/extras/Makefile b/extras/Makefile
index faa6868..eeb8226 100644
--- a/extras/Makefile
+++ b/extras/Makefile
@@ -38,7 +38,7 @@ $(EXTRA): $(@:=.o)
 $(OBJ): config
 
 .o:
-	$(CC) $(CFLAGS) $< -o $@
+	$(CC) $(CFLAGS) $< ../common/common.c -o $@
 
 .c.o:
 	@[ -e $< ] || echo "$@ is not implemented." ;
diff --git a/extras/errno.c b/extras/errno.c
index 5fb80f1..6e58792 100644
--- a/extras/errno.c
+++ b/extras/errno.c
@@ -20,265 +20,18 @@
 #include <stdio.h>
 #include <stdlib.h>
 
-void printUsage() {
-	printf("fases extra.\n"
-	"Usage: errno [STRING]\n"
-	"Give information about error codes.\n");
-}
+#define REQ_PRINT_USAGE /* Require print_usage() from ../common/common.h */
+#define DESCRIPTION "Give information about error codes."
+#define OPERANDS    "code"
+#include "../common/common.h"
 
 int main(int argc, char *argv[]) {
 	long int error_code = 0;
 	setvbuf(stdout, NULL, _IONBF, 0);
 	if (argc == 2) {
 		error_code = strtol(argv[1], NULL, 10);
-		printf("errno %ld: ", error_code);
-		switch (error_code) {
-			case E2BIG:
-				printf("Argument list too long.");
-				break;
-			case EACCES:
-				printf("Permission denied.");
-				break;
-			case EADDRINUSE:
-				printf("Address in use.");
-				break;
-			case EADDRNOTAVAIL:
-				printf("Address not available.");
-				break;
-			case EAFNOSUPPORT:
-				printf("Address family not supported.");
-				break;
-			case EAGAIN:
-				printf("Resource unavailable, try again.");
-				break;
-			case EALREADY:
-				printf("Connection already in progress.");
-				break;
-			case EBADF:
-				printf("Bad file descriptor.");
-				break;
-			case EBADMSG:
-				printf("Bad message.");
-				break;
-			case EBUSY:
-				printf("Device or resource busy.");
-				break;
-			case ECANCELED:
-				printf("Operation canceled.");
-				break;
-			case ECHILD:
-				printf("No child processes.");
-				break;
-			case ECONNABORTED:
-				printf("Connection aborted.");
-				break;
-			case ECONNREFUSED:
-				printf("Connection refused.");
-				break;
-			case ECONNRESET:
-				printf("Connection reset.");
-				break;
-			case EDEADLK:
-				printf("Resource deadlock would occur.");
-				break;
-			case EDESTADDRREQ:
-				printf("Destination address required.");
-				break;
-			case EDOM:
-				printf("Mathematics argument out of domain of function.");
-				break;
-			case EDQUOT:
-				printf("Reserved.");
-				break;
-			case EEXIST:
-				printf("File exists.");
-				break;
-			case EFAULT:
-				printf("Bad address.");
-				break;
-			case EFBIG:
-				printf("File too large.");
-				break;
-			case EHOSTUNREACH:
-				printf("Host is unreachable.");
-				break;
-			case EIDRM:
-				printf("Identifier removed.");
-				break;
-			case EILSEQ:
-				printf("Illegal byte sequence.");
-				break;
-			case EINPROGRESS:
-				printf("Operation in progress.");
-				break;
-			case EINTR:
-				printf("Interrupted function.");
-				break;
-			case EINVAL:
-				printf("Invalid argument.");
-				break;
-			case EIO:
-				printf("I/O error.");
-				break;
-			case EISCONN:
-				printf("Socket is connected.");
-				break;
-			case EISDIR:
-				printf("Is a directory.");
-				break;
-			case ELOOP:
-				printf("Too many levels of symbolic links.");
-				break;
-			case EMFILE:
-				printf("File descriptor value too large.");
-				break;
-			case EMLINK:
-				printf("Too many links.");
-				break;
-			case EMSGSIZE:
-				printf("Message too large.");
-				break;
-			case EMULTIHOP:
-				printf("Reserved.");
-				break;
-			case ENAMETOOLONG:
-				printf("Filename too long.");
-				break;
-			case ENETDOWN:
-				printf("Network is down.");
-				break;
-			case ENETRESET:
-				printf("Connection aborted by network.");
-				break;
-			case ENETUNREACH:
-				printf("Network unreachable.");
-				break;
-			case ENFILE:
-				printf("Too many files open in system.");
-				break;
-			case ENOBUFS:
-				printf("No buffer space available.");
-				break;
-			case ENODATA:
-				printf("No message is available on the STREAM head read queue.");
-				break;
-			case ENODEV:
-				printf("No such device.");
-				break;
-			case ENOENT:
-				printf("No such file or directory.");
-				break;
-			case ENOEXEC:
-				printf("Executable file format error.");
-				break;
-			case ENOLCK:
-				printf("No locks available.");
-				break;
-			case ENOLINK:
-				printf("Reserved.");
-				break;
-			case ENOMEM:
-				printf("Not enough space.");
-				break;
-			case ENOMSG:
-				printf("No message of the desired type.");
-				break;
-			case ENOPROTOOPT:
-				printf("Protocol not available.");
-				break;
-			case ENOSPC:
-				printf("No space left on device.");
-				break;
-			case ENOSR:
-				printf("No STREAM resources.");
-				break;
-			case ENOSTR:
-				printf("Not a STREAM.");
-				break;
-			case ENOSYS:
-				printf("Functionality not supported.");
-				break;
-			case ENOTCONN:
-				printf("The socket is not connected.");
-				break;
-			case ENOTDIR:
-				printf("Not a directory or a symbolic link to a directory.");
-				break;
-			case ENOTEMPTY:
-				printf("Directory not empty.");
-				break;
-			case ENOTRECOVERABLE:
-				printf("State not recoverable.");
-				break;
-			case ENOTSOCK:
-				printf("Not a socket.");
-				break;
-			case ENOTSUP:
-				printf("Not supported (may be the same value as EOPNOTSUPP).");
-				break;
-			case ENOTTY:
-				printf("Inappropriate I/O control operation.");
-				break;
-			case ENXIO:
-				printf("No such device or address.");
-				break;
-			case EOVERFLOW:
-				printf("Value too large to be stored in data type.");
-				break;
-			case EOWNERDEAD:
-				printf("Previous owner died.");
-				break;
-			case EPERM:
-				printf("Operation not permitted.");
-				break;
-			case EPIPE:
-				printf("Broken pipe.");
-				break;
-			case EPROTO:
-				printf("Protocol error.");
-				break;
-			case EPROTONOSUPPORT:
-				printf("Protocol not supported.");
-				break;
-			case EPROTOTYPE:
-				printf("Protocol wrong type for socket.");
-				break;
-			case ERANGE:
-				printf("Result too large.");
-				break;
-			case EROFS:
-				printf("Read-only file system.");
-				break;
-			case ESPIPE:
-				printf("Invalid seek.");
-				break;
-			case ESRCH:
-				printf("No such process.");
-				break;
-			case ESTALE:
-				printf("Reserved.");
-				break;
-			case ETIME:
-				printf("Stream ioctl() timeout.");
-				break;
-			case ETIMEDOUT:
-				printf("Connection timed out.");
-				break;
-			case ETXTBSY:
-				printf("Text file busy.");
-				break;
-			case EXDEV:
-				printf("Cross-device link.");
-				break;
-			case 0:
-				printf("No error occured.");
-				break;
-			default:
-				printf("Unknown.");
-				break;
-		}
-		printf("\n");
+		printf("errno %ld: %s\n", error_code, strerror(error_code));
 	}
-
+	else return print_usage(argv[0], DESCRIPTION, OPERANDS, VERSION);
 	return 0;
 }