add readme

.gitignore

@@ -0,0 +1 @@
+build

README.md

@@ -0,0 +1,2 @@
+# addtax
+This application allows the calculation of a price by adding the 10% taxes for boletas in Chile.

po/addtax.pot

@@ -8,7 +8,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: addtax\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2018-09-13 10:09-0300\n"
+"POT-Creation-Date: 2018-09-13 17:11-0300\n"
 "PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
 "Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
 "Language-Team: LANGUAGE <LL@li.org>\n"
@@ -17,7 +17,7 @@ msgstr ""
 "Content-Type: text/plain; charset=CHARSET\n"
 "Content-Transfer-Encoding: 8bit\n"
 
-#: src/addtax.c:58 src/addtax.c:71
+#: src/addtax.c:51 src/addtax.c:65
 #, c-format
 msgid "Usage: %s [prices...]\n"
 msgstr ""

po/es.po

@@ -7,7 +7,7 @@ msgid ""
 msgstr ""
 "Project-Id-Version: addtax\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2018-09-13 10:09-0300\n"
+"POT-Creation-Date: 2018-09-13 17:11-0300\n"
 "PO-Revision-Date: 2018-09-13 10:10-0300\n"
 "Last-Translator: Chris Cromer <chris@cromer.cl>\n"
 "Language-Team: none\n"
@@ -18,7 +18,7 @@ msgstr ""
 "Plural-Forms: nplurals=2; plural=(n != 1);\n"
 "X-Generator: Poedit 2.0.6\n"
 
-#: src/addtax.c:58 src/addtax.c:71
+#: src/addtax.c:51 src/addtax.c:65
 #, c-format
 msgid "Usage: %s [prices...]\n"
 msgstr "Uso: %s [precios...]\n"

src/addtax.c

@@ -3,10 +3,12 @@
 #include <libintl.h>
 #include <locale.h>
 #include <stdbool.h>
+#include <getopt.h>
 #include "misc.h"
 
 #define _(STRING) gettext(STRING)
 #define TAX 1.111111111
+#define VERSION "1.0.0"
 
 GtkLabel *calculated_value = NULL;
 
@@ -27,25 +29,34 @@ void calculate_tax(GtkWidget *entry) {
 
 int main(int argc, char *argv[]) {
 	int opt;
-	
 	float money;
+	int long_index = 0;
+	static struct option long_options[] = {
+		{"version",		no_argument,	0,	'v'},
+		{0,				0,				0,	0}
+	};
 	
 	setlocale(LC_ALL, "");
 	bindtextdomain("addtax", "/usr/share/locale/");
 	textdomain("addtax");
 	
 	if (argc > 1) {
-		while ((opt = getopt(argc, argv, "")) != -1) {
+		// Process options
+		while ((opt = getopt_long(argc, argv,"v", long_options, &long_index)) != -1) {
 			switch (opt) {
+				case 'v':
+					printf("%s %s\n", argv[0], VERSION);
+					break;
 				default:
 					fprintf(stderr, _("Usage: %s [prices...]\n"), argv[0]);
 					return 1;
 			}
 		}
 		
-		for (opt = 1; opt < argc; opt++) {
+		// Process arguments that are not options
-			money = atof(argv[opt]);
+		while (optind < argc) {
-			if (is_float(argv[opt], money)) {
+			money = atof(argv[optind]);
+			if (is_float(argv[optind++], money)) {
 				printf("$%d * %f = ", (int) round(money), TAX);
 				money = money * TAX;
 				printf("$%d\n", (int) round(money));