Add some tests for fnmatch(3).

MFC after:	1 week

2 files changed, 336 insertions, 1 deletions

diff --git a/tools/regression/lib/libc/gen/Makefile b/tools/regression/lib/libc/gen/Makefile
index 3dbe803..3e911e4 100644
--- a/tools/regression/lib/libc/gen/Makefile
+++ b/tools/regression/lib/libc/gen/Makefile
@@ -1,6 +1,6 @@
 # $FreeBSD$
 
-TESTS=	test-fmtcheck test-fpclassify test-wordexp
+TESTS=	test-fmtcheck test-fnmatch test-fpclassify test-wordexp
 
 .PHONY: tests
 tests: ${TESTS}
diff --git a/tools/regression/lib/libc/gen/test-fnmatch.c b/tools/regression/lib/libc/gen/test-fnmatch.c
new file mode 100644
index 0000000..ffb8c6c
--- /dev/null
+++ b/tools/regression/lib/libc/gen/test-fnmatch.c
@@ -0,0 +1,335 @@
+/*-
+ * Copyright (c) 2010 Jilles Tjoelker
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <fnmatch.h>
+
+struct testcase {
+	const char *pattern;
+	const char *string;
+	int flags;
+	int result;
+} testcases[] = {
+	"", "", 0, 0,
+	"a", "a", 0, 0,
+	"a", "b", 0, FNM_NOMATCH,
+	"a", "A", 0, FNM_NOMATCH,
+	"*", "a", 0, 0,
+	"*", "aa", 0, 0,
+	"*a", "a", 0, 0,
+	"*a", "b", 0, FNM_NOMATCH,
+	"*a*", "b", 0, FNM_NOMATCH,
+	"*a*b*", "ab", 0, 0,
+	"*a*b*", "qaqbq", 0, 0,
+	"*a*bb*", "qaqbqbbq", 0, 0,
+	"*a*bc*", "qaqbqbcq", 0, 0,
+	"*a*bb*", "qaqbqbb", 0, 0,
+	"*a*bc*", "qaqbqbc", 0, 0,
+	"*a*bb", "qaqbqbb", 0, 0,
+	"*a*bc", "qaqbqbc", 0, 0,
+	"*a*bb", "qaqbqbbq", 0, FNM_NOMATCH,
+	"*a*bc", "qaqbqbcq", 0, FNM_NOMATCH,
+	"*a*a*a*a*a*a*a*a*a*a*", "aaaaaaaaa", 0, FNM_NOMATCH,
+	"*a*a*a*a*a*a*a*a*a*a*", "aaaaaaaaaa", 0, 0,
+	"*a*a*a*a*a*a*a*a*a*a*", "aaaaaaaaaaa", 0, 0,
+	".*.*.*.*.*.*.*.*.*.*", ".........", 0, FNM_NOMATCH,
+	".*.*.*.*.*.*.*.*.*.*", "..........", 0, 0,
+	".*.*.*.*.*.*.*.*.*.*", "...........", 0, 0,
+	"*?*?*?*?*?*?*?*?*?*?*", "123456789", 0, FNM_NOMATCH,
+	"??????????*", "123456789", 0, FNM_NOMATCH,
+	"*??????????", "123456789", 0, FNM_NOMATCH,
+	"*?*?*?*?*?*?*?*?*?*?*", "1234567890", 0, 0,
+	"??????????*", "1234567890", 0, 0,
+	"*??????????", "1234567890", 0, 0,
+	"*?*?*?*?*?*?*?*?*?*?*", "12345678901", 0, 0,
+	"??????????*", "12345678901", 0, 0,
+	"*??????????", "12345678901", 0, 0,
+	"[x]", "x", 0, 0,
+	"[*]", "*", 0, 0,
+	"[?]", "?", 0, 0,
+	"[", "[", 0, 0,
+	"[[]", "[", 0, 0,
+	"[[]", "x", 0, FNM_NOMATCH,
+	"[*]", "", 0, FNM_NOMATCH,
+	"[*]", "x", 0, FNM_NOMATCH,
+	"[?]", "x", 0, FNM_NOMATCH,
+	"*[*]*", "foo*foo", 0, 0,
+	"*[*]*", "foo", 0, FNM_NOMATCH,
+	"[0-9]", "0", 0, 0,
+	"[0-9]", "5", 0, 0,
+	"[0-9]", "9", 0, 0,
+	"[0-9]", "/", 0, FNM_NOMATCH,
+	"[0-9]", ":", 0, FNM_NOMATCH,
+	"[0-9]", "*", 0, FNM_NOMATCH,
+	"[!0-9]", "0", 0, FNM_NOMATCH,
+	"[!0-9]", "5", 0, FNM_NOMATCH,
+	"[!0-9]", "9", 0, FNM_NOMATCH,
+	"[!0-9]", "/", 0, 0,
+	"[!0-9]", ":", 0, 0,
+	"[!0-9]", "*", 0, 0,
+	"*[0-9]", "a0", 0, 0,
+	"*[0-9]", "a5", 0, 0,
+	"*[0-9]", "a9", 0, 0,
+	"*[0-9]", "a/", 0, FNM_NOMATCH,
+	"*[0-9]", "a:", 0, FNM_NOMATCH,
+	"*[0-9]", "a*", 0, FNM_NOMATCH,
+	"*[!0-9]", "a0", 0, FNM_NOMATCH,
+	"*[!0-9]", "a5", 0, FNM_NOMATCH,
+	"*[!0-9]", "a9", 0, FNM_NOMATCH,
+	"*[!0-9]", "a/", 0, 0,
+	"*[!0-9]", "a:", 0, 0,
+	"*[!0-9]", "a*", 0, 0,
+	"*[0-9]", "a00", 0, 0,
+	"*[0-9]", "a55", 0, 0,
+	"*[0-9]", "a99", 0, 0,
+	"*[0-9]", "a0a0", 0, 0,
+	"*[0-9]", "a5a5", 0, 0,
+	"*[0-9]", "a9a9", 0, 0,
+	"\\*", "*", 0, 0,
+	"\\?", "?", 0, 0,
+	"\\[x]", "[x]", 0, 0,
+	"\\[", "[", 0, 0,
+	"\\\\", "\\", 0, 0,
+	"*\\**", "foo*foo", 0, 0,
+	"*\\**", "foo", 0, FNM_NOMATCH,
+	"*\\\\*", "foo\\foo", 0, 0,
+	"*\\\\*", "foo", 0, FNM_NOMATCH,
+	"\\(", "(", 0, 0,
+	"\\a", "a", 0, 0,
+	"\\*", "a", 0, FNM_NOMATCH,
+	"\\?", "a", 0, FNM_NOMATCH,
+	"\\*", "\\*", 0, FNM_NOMATCH,
+	"\\?", "\\?", 0, FNM_NOMATCH,
+	"\\[x]", "\\[x]", 0, FNM_NOMATCH,
+	"\\[x]", "\\x", 0, FNM_NOMATCH,
+	"\\[", "\\[", 0, FNM_NOMATCH,
+	"\\(", "\\(", 0, FNM_NOMATCH,
+	"\\a", "\\a", 0, FNM_NOMATCH,
+	"\\*", "\\*", FNM_NOESCAPE, 0,
+	"\\?", "\\?", FNM_NOESCAPE, 0,
+	"\\", "\\", FNM_NOESCAPE, 0,
+	"\\\\", "\\", FNM_NOESCAPE, FNM_NOMATCH,
+	"\\\\", "\\\\", FNM_NOESCAPE, 0,
+	"*\\*", "foo\\foo", FNM_NOESCAPE, 0,
+	"*\\*", "foo", FNM_NOESCAPE, FNM_NOMATCH,
+	"*", ".", FNM_PERIOD, FNM_NOMATCH,
+	"?", ".", FNM_PERIOD, FNM_NOMATCH,
+	".*", ".", 0, 0,
+	".*", "..", 0, 0,
+	".*", ".a", 0, 0,
+	"[0-9]", ".", FNM_PERIOD, FNM_NOMATCH,
+	"a*", "a.", 0, 0,
+	"a/a", "a/a", FNM_PATHNAME, 0,
+	"a/*", "a/a", FNM_PATHNAME, 0,
+	"*/a", "a/a", FNM_PATHNAME, 0,
+	"*/*", "a/a", FNM_PATHNAME, 0,
+	"a*b/*", "abbb/x", FNM_PATHNAME, 0,
+	"a*b/*", "abbb/.x", FNM_PATHNAME, 0,
+	"*", "a/a", FNM_PATHNAME, FNM_NOMATCH,
+	"*/*", "a/a/a", FNM_PATHNAME, FNM_NOMATCH,
+	"b/*", "b/.x", FNM_PATHNAME | FNM_PERIOD, FNM_NOMATCH,
+	"b*/*", "a/.x", FNM_PATHNAME | FNM_PERIOD, FNM_NOMATCH,
+	"b/.*", "b/.x", FNM_PATHNAME | FNM_PERIOD, 0,
+	"b*/.*", "b/.x", FNM_PATHNAME | FNM_PERIOD, 0,
+	"a", "A", FNM_CASEFOLD, 0,
+	"A", "a", FNM_CASEFOLD, 0,
+	"[a]", "A", FNM_CASEFOLD, 0,
+	"[A]", "a", FNM_CASEFOLD, 0,
+	"a", "b", FNM_CASEFOLD, FNM_NOMATCH,
+	"a", "a/b", FNM_PATHNAME, FNM_NOMATCH,
+	"*", "a/b", FNM_PATHNAME, FNM_NOMATCH,
+	"*b", "a/b", FNM_PATHNAME, FNM_NOMATCH,
+	"a", "a/b", FNM_PATHNAME | FNM_LEADING_DIR, 0,
+	"*", "a/b", FNM_PATHNAME | FNM_LEADING_DIR, 0,
+	"*", ".a/b", FNM_PATHNAME | FNM_LEADING_DIR, 0,
+	"*a", ".a/b", FNM_PATHNAME | FNM_LEADING_DIR, 0,
+	"*", ".a/b", FNM_PATHNAME | FNM_PERIOD | FNM_LEADING_DIR, FNM_NOMATCH,
+	"*a", ".a/b", FNM_PATHNAME | FNM_PERIOD | FNM_LEADING_DIR, FNM_NOMATCH,
+};
+
+static const char *
+flags_to_string(int flags)
+{
+	static const int flagvalues[] = { FNM_NOESCAPE, FNM_PATHNAME,
+		FNM_PERIOD, FNM_LEADING_DIR, FNM_CASEFOLD, 0 };
+	static const char flagnames[] = "FNM_NOESCAPE\0FNM_PATHNAME\0FNM_PERIOD\0FNM_LEADING_DIR\0FNM_CASEFOLD\0";
+	static char result[sizeof(flagnames) + 3 * sizeof(int) + 2];
+	char *p;
+	size_t i, len;
+	const char *fp;
+
+	p = result;
+	fp = flagnames;
+	for (i = 0; flagvalues[i] != 0; i++) {
+		len = strlen(fp);
+		if (flags & flagvalues[i]) {
+			if (p != result)
+				*p++ = '|';
+			memcpy(p, fp, len);
+			p += len;
+			flags &= ~flagvalues[i];
+		}
+		fp += len + 1;
+	}
+	if (p == result)
+		memcpy(p, "0", 2);
+	else if (flags != 0)
+		sprintf(p, "%d", flags);
+	else
+		*p = '\0';
+	return result;
+}
+
+int
+main(int argc, char *argv[])
+{
+	size_t i, n;
+	int flags, result, extra, errors;
+	struct testcase *t;
+
+	n = sizeof(testcases) / sizeof(testcases[0]);
+	errors = 0;
+	printf("1..%zu\n", n);
+	for (i = 0; i < n; i++) {
+		t = &testcases[i];
+		flags = t->flags;
+		extra = 0;
+		do {
+			result = fnmatch(t->pattern, t->string, flags);
+			if (result != t->result)
+				break;
+			if (strchr(t->pattern, '\\') == NULL &&
+			    !(flags & FNM_NOESCAPE)) {
+				flags |= FNM_NOESCAPE;
+				result = fnmatch(t->pattern, t->string, flags);
+				if (result != t->result)
+					break;
+				flags = t->flags;
+				extra++;
+			}
+			if (strchr(t->pattern, '\\') != NULL &&
+			    strchr(t->string, '\\') == NULL &&
+			    t->result == FNM_NOMATCH &&
+			    !(flags & (FNM_NOESCAPE | FNM_LEADING_DIR))) {
+				flags |= FNM_NOESCAPE;
+				result = fnmatch(t->pattern, t->string, flags);
+				if (result != t->result)
+					break;
+				flags = t->flags;
+				extra++;
+			}
+			if ((t->string[0] != '.' || t->pattern[0] == '.' ||
+			    t->result == FNM_NOMATCH) &&
+			    !(flags & (FNM_PATHNAME | FNM_PERIOD))) {
+				flags |= FNM_PERIOD;
+				result = fnmatch(t->pattern, t->string, flags);
+				if (result != t->result)
+					break;
+				flags = t->flags;
+				extra++;
+			}
+			if ((strchr(t->string, '/') == NULL ||
+			    t->result == FNM_NOMATCH) &&
+			    !(flags & FNM_PATHNAME)) {
+				flags |= FNM_PATHNAME;
+				result = fnmatch(t->pattern, t->string, flags);
+				if (result != t->result)
+					break;
+				flags = t->flags;
+				extra++;
+			}
+			if ((((t->string[0] != '.' || t->pattern[0] == '.') &&
+			    strstr(t->string, "/.") == NULL) ||
+			    t->result == FNM_NOMATCH) &&
+			    flags & FNM_PATHNAME && !(flags & FNM_PERIOD)) {
+				flags |= FNM_PERIOD;
+				result = fnmatch(t->pattern, t->string, flags);
+				if (result != t->result)
+					break;
+				flags = t->flags;
+				extra++;
+			}
+			if ((((t->string[0] != '.' || t->pattern[0] == '.') &&
+			    strchr(t->string, '/') == NULL) ||
+			    t->result == FNM_NOMATCH) &&
+			    !(flags & (FNM_PATHNAME | FNM_PERIOD))) {
+				flags |= FNM_PATHNAME | FNM_PERIOD;
+				result = fnmatch(t->pattern, t->string, flags);
+				if (result != t->result)
+					break;
+				flags = t->flags;
+				extra++;
+			}
+			if ((strchr(t->string, '/') == NULL || t->result == 0)
+			    && !(flags & FNM_LEADING_DIR)) {
+				flags |= FNM_LEADING_DIR;
+				result = fnmatch(t->pattern, t->string, flags);
+				if (result != t->result)
+					break;
+				flags = t->flags;
+				extra++;
+			}
+			if (t->result == 0 && !(flags & FNM_CASEFOLD)) {
+				flags |= FNM_CASEFOLD;
+				result = fnmatch(t->pattern, t->string, flags);
+				if (result != t->result)
+					break;
+				flags = t->flags;
+				extra++;
+			}
+			if (strchr(t->pattern, '\\') == NULL &&
+			    t->result == 0 &&
+			    !(flags & (FNM_NOESCAPE | FNM_CASEFOLD))) {
+				flags |= FNM_NOESCAPE | FNM_CASEFOLD;
+				result = fnmatch(t->pattern, t->string, flags);
+				if (result != t->result)
+					break;
+				flags = t->flags;
+				extra++;
+			}
+		} while (0);
+		if (result == t->result)
+			printf("ok %zu - fnmatch(\"%s\", \"%s\", %s) = %d (+%d)\n",
+			    i + 1, t->pattern, t->string,
+			    flags_to_string(flags),
+			    result, extra);
+		else {
+			printf("not ok %zu - fnmatch(\"%s\", \"%s\", %s) = %d != %d\n",
+			    i + 1, t->pattern, t->string,
+			    flags_to_string(flags),
+			    result, t->result);
+			errors = 1;
+		}
+	}
+
+	return (errors);
+}