Merge remote-tracking branch 'origin/released'

1 files changed, 48 insertions, 8 deletions

diff --git a/fontconfig/src/fcstat.c b/fontconfig/src/fcstat.c
index 0c15f8700..fd64d5cb3 100644
--- a/fontconfig/src/fcstat.c
+++ b/fontconfig/src/fcstat.c
@@ -26,6 +26,7 @@
 #include "fcint.h"
 #include "fcarch.h"
 #include <dirent.h>
+#include <limits.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
@@ -159,12 +160,14 @@ Adler32Finish (struct Adler32 *ctx)
     return ctx->a + (ctx->b << 16);
 }
 
+#ifdef HAVE_STRUCT_DIRENT_D_TYPE
 /* dirent.d_type can be relied upon on FAT filesystem */
 static FcBool
 FcDirChecksumScandirFilter(const struct dirent *entry)
 {
     return entry->d_type != DT_DIR;
 }
+#endif
 
 static int
 FcDirChecksumScandirSorter(const struct dirent **lhs, const struct dirent **rhs)
@@ -177,25 +180,62 @@ FcDirChecksum (const FcChar8 *dir, time_t *checksum)
 {
     struct Adler32 ctx;
     struct dirent **files;
-    int n;
+    int n, ret = 0;
+#ifndef HAVE_STRUCT_DIRENT_D_TYPE
+    size_t len = strlen ((const char *)dir);
+#endif
 
     Adler32Init (&ctx);
 
     n = scandir ((const char *)dir, &files,
-                 &FcDirChecksumScandirFilter,
-                 &FcDirChecksumScandirSorter);
+#ifdef HAVE_STRUCT_DIRENT_D_TYPE
+		 &FcDirChecksumScandirFilter,
+#else
+		 NULL,
+#endif
+		 &FcDirChecksumScandirSorter);
     if (n == -1)
-        return -1;
+	return -1;
 
     while (n--)
     {
-        Adler32Update (&ctx, files[n]->d_name, strlen(files[n]->d_name) + 1);
-        Adler32Update (&ctx, (char *)&files[n]->d_type, sizeof(files[n]->d_type));
-        free(files[n]);
+	size_t dlen = strlen (files[n]->d_name);
+	int dtype;
+
+#ifdef HAVE_STRUCT_DIRENT_D_TYPE
+	dtype = files[n]->d_type;
+#else
+	struct stat statb;
+	char f[PATH_MAX + 1];
+
+	memcpy (f, dir, len);
+	f[len] = FC_DIR_SEPARATOR;
+	memcpy (&f[len + 1], files[n]->d_name, dlen);
+	f[len + 1 + dlen] = 0;
+	if (lstat (f, &statb) < 0)
+	{
+	    ret = -1;
+	    goto bail;
+	}
+	if (S_ISDIR (statb.st_mode))
+	    goto bail;
+
+	dtype = statb.st_mode;
+#endif
+	Adler32Update (&ctx, files[n]->d_name, dlen + 1);
+	Adler32Update (&ctx, (char *)&dtype, sizeof (int));
+
+#ifndef HAVE_STRUCT_DIRENT_D_TYPE
+      bail:
+#endif
+	free (files[n]);
     }
-    free(files);
+    free (files);
+    if (ret == -1)
+	return -1;
 
     *checksum = Adler32Finish (&ctx);
+
     return 0;
 }