From: Szabolcs Nagy <nsz@port70.net>
Date: Thu, 18 Jun 2015 21:46:13 +0000 (+0000)
Subject: add regex REG_ICASE test for austingroupbug #872
X-Git-Url: http://nsz.repo.hu/git/?p=libc-test;a=commitdiff_plain;h=05b75aa5eb2a9908495c341300a2acc19e9eaf4b

add regex REG_ICASE test for austingroupbug #872
---

diff --git a/src/regression/regex-bracket-icase.c b/src/regression/regex-bracket-icase.c
new file mode 100644
index 0000000..82b9287
--- /dev/null
+++ b/src/regression/regex-bracket-icase.c
@@ -0,0 +1,46 @@
+// [^aBcC] with REG_ICASE should match d,D but not a,A,b,B,c,C according to
+// http://austingroupbugs.net/view.php?id=872
+#include <regex.h>
+#include <limits.h>
+#include <stdio.h>
+#include "test.h"
+
+int main(void)
+{
+	char buf[100];
+	char *pat;
+	regex_t re;
+	int n, i;
+	struct {
+		char *s;
+		int n;
+	} t[] = {
+		{"a", REG_NOMATCH},
+		{"A", REG_NOMATCH},
+		{"b", REG_NOMATCH},
+		{"B", REG_NOMATCH},
+		{"c", REG_NOMATCH},
+		{"C", REG_NOMATCH},
+		{"d", 0},
+		{"D", 0},
+		{0,0}
+	};
+
+	pat = "[^aBcC]";
+	n = regcomp(&re, pat, REG_ICASE);
+	if (n) {
+		regerror(n, &re, buf, sizeof buf);
+		t_error("regcomp(\"%s\") failed: %d (%s)\n", pat, n, buf);
+	}
+
+	for (i = 0; t[i].s; i++) {
+		n = regexec(&re, t[i].s, 0, 0, 0);
+		if (n != t[i].n) {
+			regerror(n, &re, buf, sizeof buf);
+			t_error("regexec(/%s/, \"%s\") returned %d (%s), wanted %d\n",
+				pat, t[i].s, n, buf, t[i].n);
+		}
+	}
+
+	return t_status;
+}