win32: save space in statfs

Place filesystem names in a single null-separated string and search
it using index_in_strings().  Use the result (offset by 1 to allow
for failure) to index an array of filesytem types.

Saves 112 bytes.

1 files changed, 5 insertions, 20 deletions

diff --git a/win32/statfs.c b/win32/statfs.c
index 22fc591ec..6b28792e2 100644
--- a/win32/statfs.c
+++ b/win32/statfs.c
@@ -12,6 +12,10 @@ int statfs(const char *file, struct statfs *buf)
         DWORD serial, namelen, flags;
         char fsname[100];
         struct mntent *mnt;
+        /* Valid filesystem names don't seem to be documented.  The following
+         * are present in Wine (dlls/kernel32/volume.c). */
+#define FS_NAMES "NTFS\0FAT\0FAT32\0CDFS\0UDF\0"
+        int fstypes[] = {0, 0x5346544e, 0x4006, 0x4006, 0x9660, 0x15013346};
 
         if ( (mnt=find_mount_point(file, 0)) == NULL ) {
                 return -1;
@@ -49,26 +53,7 @@ int statfs(const char *file, struct statfs *buf)
         else
                 buf->f_bsize = 65536;
 
-        /*
-         * Valid filesystem names don't seem to be documented.  The following
-         * are present in Wine (dlls/kernel32/volume.c).
-         */
-        if ( strcmp(fsname, "NTFS") == 0 ) {
-                buf->f_type = 0x5346544e;
-        }
-        else if ( strcmp(fsname, "FAT") == 0 || strcmp(fsname, "FAT32") == 0 ) {
-                buf->f_type = 0x4006;
-        }
-        else if ( strcmp(fsname, "CDFS") == 0 ) {
-                buf->f_type = 0x9660;
-        }
-        else if ( strcmp(fsname, "UDF") == 0 ) {
-                buf->f_type = 0x15013346;
-        }
-        else {
-                buf->f_type = 0;
-        }
-
+        buf->f_type = fstypes[index_in_strings(FS_NAMES, fsname)+1];
         buf->f_frsize = buf->f_bsize;
         buf->f_blocks = total_number_of_bytes / buf->f_bsize;
         buf->f_bfree = total_number_of_free_bytes / buf->f_bsize;