From e00e4b169975eafdab7479e30c1773c00ec29943 Mon Sep 17 00:00:00 2001
From: tomsmeding <tom.smeding@gmail.com>
Date: Fri, 16 Sep 2016 16:51:45 +0200
Subject: Fix negative number parsing

---
 number.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/number.c b/number.c
index 4c1f9b2..24bcc33 100644
--- a/number.c
+++ b/number.c
@@ -3,6 +3,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <stdbool.h>
+#include <ctype.h>
 #include <inttypes.h>
 
 __attribute__((noreturn)) void usage(int argc,char **argv){
@@ -145,6 +146,14 @@ int main(int argc,char **argv){
 			usage(argc,argv);
 		}
 		if(argv[i][0]=='-'){
+			if(isdigit(argv[i][1])){
+				if(numstr==NULL)numstr=argv[i];
+				else {
+					fprintf(stderr,"Unexpected second number '%s'\n",argv[i]);
+					usage(argc,argv);
+				}
+				continue;
+			}
 			for(int j=1;argv[i][j];j++){
 				switch(argv[i][j]){
 					case 'c': capfirst=true; break;
@@ -157,7 +166,7 @@ int main(int argc,char **argv){
 		} else {
 			if(numstr==NULL)numstr=argv[i];
 			else {
-				fprintf(stderr,"Unexpected second bare argument '%s'\n",argv[i]);
+				fprintf(stderr,"Unexpected second number '%s'\n",argv[i]);
 				usage(argc,argv);
 			}
 		}
-- 
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