fixed a makefile thing and added the thingy that does things

Makefile

@@ -2,13 +2,16 @@ CC = gcc
 CFLAGS = -Wall -Wextra -O2 -pipe
 TARGET = timetolocal
 SRC = $(wildcard *.c)
+OBJ = $(SRC:.c=.o)
 PREFIX = /usr/local
 
 all: $(TARGET)
 
 $(TARGET): $(OBJ)
-	@mkdir -p $(@D)
-	$(CC) $(CFLAGS) -o $(TARGET) $(SRC)
+	$(CC) $(CFLAGS) -o $(TARGET) $(OBJ)
+
+%.o: %.c
+	$(CC) $(CFLAGS) -c $< -o $@
 
 install: $(TARGET)
 	install -D $(TARGET) $(DESTDIR)$(PREFIX)/bin/$(notdir $(TARGET))
@@ -17,4 +20,7 @@ uninstall:
 	rm -f $(DESTDIR)$(PREFIX)/bin/$(notdir $(TARGET))
 
 clean:
-	rm -rf $(TARGET)
+	rm -f $(TARGET) $(OBJ)
+
+.PHONY: all install uninstall clean
+

timetolocal.c

@@ -3,6 +3,7 @@
 #include <strings.h>
 #include <time.h>
 #include <stdlib.h>
+#include <ctype.h>
 #include "tztable.h"
 
 /*it's not case sensitive
@@ -37,6 +38,17 @@ davidtime strtimetoint(char *whattimeisit) {
     return timehoursandminutes;
 }
 
+char* gethhmm(char* buffer, size_t max_size) {
+    time_t raw_time;
+    struct tm* time_info;
+
+    time(&raw_time);
+    time_info = localtime(&raw_time);
+
+    strftime(buffer, max_size, "%H:%M", time_info);
+    return buffer;
+}
+
 int convert(char *timey, char *zone){
     time_t rawtime = time(NULL);
     struct tm *ptm = gmtime(&rawtime);
@@ -67,13 +79,28 @@ int convert(char *timey, char *zone){
     return 0;
 } 
 
+
 int main (int argc, char **argv){
 
-    if((argc <= 2) || (argc > 3)){
-        printf("%s: usage: %s [TIME (24hs)] [ZONE]\ne.g: %s 7:15 est\n", argv[0], argv[0], argv[0]);
+    if((argc <= 1) || (argc > 3)){
+        printf("%s: usage: %s [TIME (24hs)] [ZONE]\ne.g: %s 7:15 est\n\nalso get relative times like %s [ZONE]\ne.g: %s est\n", argv[0], argv[0], argv[0], argv[0], argv[0]);
         exit(0);
     }
 
+    char timestr[16];
+    gethhmm(timestr, sizeof(timestr));
+    if (argc == 2) {
+        if (isdigit((unsigned char)argv[1][0])) {
+            printf("timezones don't have numbers in them\n");
+            return 1;
+        }
+        if (convert(timestr, argv[1]) == -1) {
+            printf("%s: time zone not found, did you write it correctly?\n", argv[0]);
+            return 1;
+        }
+        return 0;
+    }
+
    if(convert(argv [1], argv[2]) == -1){
         printf("%s: time zone not found, did you write it correctly?\n", argv[0]);
         return 1;