trying to read license from file instead

Makefile

@@ -5,7 +5,7 @@ include config.mk
 SRC = uirc.c
 
 uirc: ${SRC}
-	${CC} -o uirc -O ${SRC}
+	${CC} -DLICENSE_DIR='"./"' -o uirc -O ${SRC}
 
 install: uirc
 	mkdir -p ${PREFIX}
@@ -21,7 +21,7 @@ uninstall:
 
 stb:
 	@echo "It is best to download the stb library from your system's package manager."
-	@echo "Press ENTER to manually install the stb headers needed. Otherwise, quit with ^C"
+	@echo "Press ENTER to manually install the stb headers needed instead. Otherwise, quit with ^C"
 	@read
 	mkdir -p ${INCLUDE_PREFIX}/stb
 	wget https://raw.githubusercontent.com/nothings/stb/master/stb_image.h -P /usr/include/stb/stb_image.h

uirc.c

@@ -1,3 +1,37 @@
+/*
+
+uirc: an unnecessary image ratio calculator
+Created by Bryson Steck (@brysonsteck on GitHub)
+Free and Open Source Software under the BSD 2-Clause License
+
+BSD 2-Clause License
+
+Copyright (c) 2022, Bryson Steck
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+
+2. Redistributions in binary form must reproduce the above copyright notice,
+   this list of conditions and the following disclaimer in the documentation
+   and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+*/
+
 #include <stdio.h>
 #include <stdint.h>
 #include <stdlib.h>
@@ -11,9 +45,9 @@ int handleArg(arg) char *arg; {
   char flag, *longFlag, first, firstTwo[3];
   const char *help;
 
-  help =  "usage: uirc [-hl] [-r] IMAGE1 [IMAGE2] [...]\n\n"
+  help =  "usage: uirc [OPTIONS] IMAGE1 [IMAGE2] [...]\n\n"
 
-          "options:\n"
+          "OPTIONS:\n"
           "\t-h\t> Display this message\n"
           "\t-l\t> Display the license disclaimer for uirc (BSD 2-Clause)\n\n"
 
@@ -33,23 +67,11 @@ int handleArg(arg) char *arg; {
   firstTwo[2] = '\0';
   size = sizeof arg;
 
-  //if (strcmp(longFlag, firstTwo) == 0) {
-    //printf("it has two dashes\n");
-  //  switch (arg) {
-  //    case "--okay":
-  //      printf("success");
-  //      break;
-  //    default:
-  //      printf("failure");
-  //      break;
-  //  }
-  //  return 0;
-  //} else if (flag == first) {
-  //  printf("it has a dash\n");
-  //  return 0;
-  //}
-
-  if (flag == first) {
+  // determine if any arguments are flags 
+  if (strcmp(longFlag, firstTwo) == 0) {
+    printf("ok");
+    return 0;
+  } else if (flag == first) {
     for (int i = 1; i < size; i++) {
       switch (arg[i]) {
         case 'h':
@@ -58,16 +80,15 @@ int handleArg(arg) char *arg; {
           printf("%s\n", help);
           break;
         case 'l':
-          printf("%s\n", license);
+          readLicense();
           break;
         case '\0':
           break;
-        //default:
-        //  printf("uirc: invalid argument \"%s\"\n", arg);
-        //  return 1;
       }
     }
+    return 0;
   }
+  // if no more flags, run ratio calculations
 
   return 0;
   
@@ -77,6 +98,26 @@ int readFile() {
   
 }
 
+void readLicense() {
+  FILE *license;
+  char ch;
+
+  license = fopen(LICENSE_DIR "LICENSE", "r");
+  if (license == NULL) {
+    printf("uirc: cannot find LICENSE in %s\n", LICENSE_DIR);
+    printf("uirc: if you changed the location of the file, recompile uirc with the correct location or move the file back\n");
+    exit(2);
+  } else {
+    printf("uirc is Free and Open Source Software under the BSD 2-Clause License:\n\n");
+    do {
+      ch = fgetc(license);
+      printf("%c", ch);
+    } while (ch != EOF);
+  }
+  fclose(license);
+  return;
+}
+
 int main(argc, argv) int argc; char *argv[]; {
   //int i;
   char *i;
@@ -86,9 +127,12 @@ int main(argc, argv) int argc; char *argv[]; {
     return 1;
   }
 
-  char *a = argv[1];
-  return handleArg(a);
-
+  for (int i = 1; i < argc; i++) {
+    char *a = argv[1];
+    int returned = handleArg(a);
+    if (returned != 0)
+      return returned;
+  }
 }