Add a test case for d1f48f11

test/Makefile.am

@@ -105,6 +105,20 @@ test_issue110_LDADD =					\
 	$(top_builddir)/src/libfontconfig.la		\
 	$(NULL)
 TESTS += test-issue110
+
+check_PROGRAMS += test-d1f48f11
+test_d1f48f11_CFLAGS =					\
+	-I$(top_builddir)				\
+	-I$(top_builddir)/src				\
+	-I$(top_srcdir)					\
+	-I$(top_srcdir)/src				\
+	-DHAVE_CONFIG_H					\
+	-DFONTCONFIG_PATH='"$(BASECONFIGDIR)"'		\
+	$(NULL)
+test_d1f48f11_LDADD =					\
+	$(top_builddir)/src/libfontconfig.la		\
+	$(NULL)
+TESTS += test-d1f48f11
 endif
 
 EXTRA_DIST=run-test.sh run-test-conf.sh $(TESTDATA) out.expected-long-family-names out.expected-no-long-family-names

test/test-d1f48f11.c

+/*
+ * fontconfig/test/test-d1f48f11.c
+ *
+ * Copyright © 2000 Keith Packard
+ * Copyright © 2018 Akira TAGOH
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of the author(s) not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  The authors make no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
+ * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <dirent.h>
+#include <unistd.h>
+#include <errno.h>
+#ifndef HAVE_STRUCT_DIRENT_D_TYPE
+#include <sys/types.h>
+#include <sys/stat.h>
+#endif
+#include <fontconfig/fontconfig.h>
+
+#ifdef _WIN32
+#  define FC_DIR_SEPARATOR         '\\'
+#  define FC_DIR_SEPARATOR_S       "\\"
+#else
+#  define FC_DIR_SEPARATOR         '/'
+#  define FC_DIR_SEPARATOR_S       "/"
+#endif
+
+extern FcChar8 *FcConfigRealFilename (FcConfig *, FcChar8 *);
+extern FcChar8 *FcStrCanonFilename (const FcChar8 *);
+
+#ifdef HAVE_MKDTEMP
+#define fc_mkdtemp	mkdtemp
+#else
+char *
+fc_mkdtemp (char *template)
+{
+    if (!mktemp (template) || mkdir (template, 0700))
+	return NULL;
+
+    return template;
+}
+#endif
+
+FcBool
+mkdir_p (const char *dir)
+{
+    char *parent;
+    FcBool ret;
+
+    if (strlen (dir) == 0)
+	return FcFalse;
+    parent = (char *) FcStrDirname ((const FcChar8 *) dir);
+    if (!parent)
+	return FcFalse;
+    if (access (parent, F_OK) == 0)
+	ret = mkdir (dir, 0755) == 0 && chmod (dir, 0755) == 0;
+    else if (access (parent, F_OK) == -1)
+	ret = mkdir_p (parent) && (mkdir (dir, 0755) == 0) && chmod (dir, 0755) == 0;
+    else
+	ret = FcFalse;
+    free (parent);
+
+    return ret;
+}
+
+FcBool
+unlink_dirs (const char *dir)
+{
+    DIR *d = opendir (dir);
+    struct dirent *e;
+    size_t len = strlen (dir);
+    char *n = NULL;
+    FcBool ret = FcTrue;
+#ifndef HAVE_STRUCT_DIRENT_D_TYPE
+    struct stat statb;
+#endif
+
+    if (!d)
+	return FcFalse;
+    while ((e = readdir (d)) != NULL)
+    {
+	size_t l;
+
+	if (strcmp (e->d_name, ".") == 0 ||
+	    strcmp (e->d_name, "..") == 0)
+	    continue;
+	l = strlen (e->d_name) + 1;
+	if (n)
+	    free (n);
+	n = malloc (l + len + 1);
+	if (!n)
+	{
+	    ret = FcFalse;
+	    break;
+	}
+	strcpy (n, dir);
+	n[len] = FC_DIR_SEPARATOR;
+	strcpy (&n[len + 1], e->d_name);
+#ifdef HAVE_STRUCT_DIRENT_D_TYPE
+	if (e->d_type == DT_DIR)
+#else
+	if (stat (n, &statb) == -1)
+	{
+	    fprintf (stderr, "E: %s\n", n);
+	    ret = FcFalse;
+	    break;
+	}
+	if (S_ISDIR (statb.st_mode))
+#endif
+	{
+	    if (!unlink_dirs (n))
+	    {
+		fprintf (stderr, "E: %s\n", n);
+		ret = FcFalse;
+		break;
+	    }
+	}
+	else
+	{
+	    if (unlink (n) == -1)
+	    {
+		fprintf (stderr, "E: %s\n", n);
+		ret = FcFalse;
+		break;
+	    }
+	}
+    }
+    if (n)
+	free (n);
+    closedir (d);
+
+    if (rmdir (dir) == -1)
+    {
+	fprintf (stderr, "E: %s\n", dir);
+	return FcFalse;
+    }
+
+    return ret;
+}
+
+char template[512] = "/tmp/fc-d1f48f11-XXXXXX";
+char systempl[512] = "/tmp/fc-d1f48f11-XXXXXX";
+char *rootdir, *sysroot;
+
+int
+setup (char *dir)
+{
+    FcChar8 *confdir = NULL, *availdir = NULL, *real = NULL, *link = NULL;
+    FILE *fp;
+    int ret = 1;
+
+    confdir = FcStrBuildFilename (dir, "conf.d", NULL);
+    availdir = FcStrBuildFilename (dir, "conf.avail", NULL);
+    mkdir_p (confdir);
+    mkdir_p (availdir);
+    real = FcStrBuildFilename (availdir, "00-foo.conf", NULL);
+    link = FcStrBuildFilename (confdir, "00-foo.conf", NULL);
+    if (!real || !link)
+    {
+	fprintf (stderr, "E: unable to allocate memory\n");
+	goto bail;
+    }
+    if ((fp = fopen (real, "wb")) == NULL)
+    {
+	fprintf (stderr, "E: unable to open a file\n");
+	goto bail;
+    }
+    fprintf (fp, "%s", real);
+    fclose (fp);
+    if (symlink ("../conf.avail/00-foo.conf", link) != 0)
+    {
+	fprintf (stderr, "%s: %s\n", link, strerror (errno));
+	goto bail;
+    }
+    ret = 0;
+bail:
+    if (real)
+	free (real);
+    if (link)
+	free (link);
+    if (availdir)
+	free (availdir);
+    if (confdir)
+	free (confdir);
+
+    return ret;
+}
+
+void
+teardown (const char *dir)
+{
+    unlink_dirs (dir);
+}
+
+int
+main (void)
+{
+    FcConfig *cfg = NULL;
+    FcChar8 *dc = NULL, *da = NULL, *d = NULL;
+    FcChar8 *ds = NULL, *dsa = NULL, *dsac = NULL;
+    int ret = 1;
+
+    rootdir = fc_mkdtemp (template);
+    if (!rootdir)
+    {
+	fprintf (stderr, "%s: %s\n", template, strerror (errno));
+	return 1;
+    }
+    sysroot = fc_mkdtemp (systempl);
+    if (!sysroot)
+    {
+	fprintf (stderr, "%s: %s\n", systempl, strerror (errno));
+	return 1;
+    }
+    ds = FcStrBuildFilename (sysroot, rootdir, NULL);
+    
+    if (setup (rootdir) != 0)
+	goto bail;
+    if (setup (ds) != 0)
+	goto bail;
+
+    dc = FcStrBuildFilename (rootdir, "conf.d", "00-foo.conf", NULL);
+    da = FcStrBuildFilename (rootdir, "conf.avail", "00-foo.conf", NULL);
+    cfg = FcConfigCreate ();
+    d = FcConfigRealFilename (cfg, dc);
+    if (strcmp ((const char *)d, (const char *)da) != 0)
+    {
+	fprintf (stderr, "E: failed to compare for non-sysroot: %s, %s\n", d, da);
+	goto bail;
+    }
+
+    free (d);
+    setenv ("FONTCONFIG_SYSROOT", sysroot, 1);
+    dsa = FcStrBuildFilename (sysroot, da, NULL);
+    dsac = FcStrCanonFilename (dsa);
+    d = FcConfigRealFilename (cfg, dc);
+    if (strcmp ((const char *)d, (const char *)dsac) != 0)
+    {
+	fprintf (stderr, "E: failed to compare for sysroot: %s, %s\n", d, dsac);
+	goto bail;
+    }
+
+    ret = 0;
+bail:
+    if (cfg)
+	FcConfigDestroy (cfg);
+    if (ds)
+	free (ds);
+    if (dsa)
+	free (dsa);
+    if (dsac)
+	free (dsac);
+    if (dc)
+	free (dc);
+    if (da)
+	free (da);
+    if (d)
+	free (d);
+    teardown (sysroot);
+    teardown (rootdir);
+
+    return ret;
+}