fix ranges with ending -

Reinhard Urban · Reinhard Urban · commit 89f513f4e8fb · 2022-06-20T08:56:38.000+02:00
Fixes GH kokke#79 and the exreg failures with [1-5-]+[-1-2]-[-]
diff --git a/re.c b/re.c
@@ -373,7 +373,9 @@ static int matchcharclass(char c, const char* str)
     {
       if (c == '-')
       {
-        return ((str[-1] == '\0') || (str[1] == '\0'));
+        if ((str[-1] == '\0') || (str[1] == '\0'))
+            return 1;
+        // else continue
       }
       else
       {

Original file line number	Diff line number	Diff line change
`@@ -373,7 +373,9 @@ static int matchcharclass(char c, const char* str)`
`373`	`373`	`{`
`374`	`374`	`if (c == '-')`
`375`	`375`	`{`
`376`		`- return ((str[-1] == '\0') \|\| (str[1] == '\0'));`
	`376`	`+ if ((str[-1] == '\0') \|\| (str[1] == '\0'))`
	`377`	`+ return 1;`
	`378`	`+ // else continue`
`377`	`379`	`}`
`378`	`380`	`else`
`379`	`381`	`{`