Change to 32-bit ioctls.

1 files changed, 13 insertions, 12 deletions

diff --git a/fatattr.c b/fatattr.c
index 7f0a35b..9794909 100644
--- a/fatattr.c
+++ b/fatattr.c
@@ -31,20 +31,21 @@
 #include <linux/msdos_fs.h>
 
 #ifndef FAT_IOCTL_GET_ATTRIBUTES
-# define FAT_IOCTL_GET_ATTRIBUTES        _IOR('r', 0x10, __u8)
+# define FAT_IOCTL_GET_ATTRIBUTES        _IOR('r', 0x10, __u32)
 #endif
 #ifndef FAT_IOCTL_SET_ATTRIBUTES
-# define FAT_IOCTL_SET_ATTRIBUTES        _IOW('r', 0x11, __u8)
+# define FAT_IOCTL_SET_ATTRIBUTES        _IOW('r', 0x11, __u32)
 #endif
 
 const char *program;
-const char bit_to_char[8] = "rhsvda67";
+/* Currently supports only the FAT flags, not the NTFS ones */
+const char bit_to_char[] = "rhsvda67";
 
 static int
-chattr(const char *file, uint8_t s_attr, uint8_t c_attr)
+chattr(const char *file, uint32_t s_attr, uint32_t c_attr)
 {
   int fd = -1;
-  uint8_t attr, nattr;
+  uint32_t attr, nattr;
   int e;
 
   fd = open(file, O_RDONLY);
@@ -77,7 +78,7 @@ static int
 lsattr(const char *file)
 {
   int fd = -1;
-  uint8_t attr;
+  uint32_t attr;
   int i, e;
 
   fd = open(file, O_RDONLY);
@@ -89,7 +90,7 @@ lsattr(const char *file)
 
   close(fd);
 
-  for ( i = 0 ; i < 8 ; i++ ) {
+  for ( i = 0 ; bit_to_char[i] ; i++ ) {
     putchar( (attr & 1) ? bit_to_char[i] : ' ' );
     attr >>= 1;
   }
@@ -106,10 +107,10 @@ lsattr(const char *file)
   return -1;
 }
 
-static uint8_t
+static uint32_t
 parse_attr(const char *attrs)
 {
-  uint8_t attr = 0;
+  uint32_t attr = 0;
   const char *p;
 
   while ( *attrs ) {
@@ -128,14 +129,14 @@ parse_attr(const char *attrs)
 
 static void __attribute__((noreturn)) usage(void)
 {
-  fprintf(stderr, "Usage: %s [-+rhsa67] files...\n", program);
+  fprintf(stderr, "Usage: %s [-+%s] files...\n", program, bit_to_char);
   exit(EX_USAGE);
 }
 
 int main(int argc, char *argv[])
 {
-  uint8_t s_attr = 0;		/* Attributes to set */
-  uint8_t c_attr = 0;		/* Attributes to clear */
+  uint32_t s_attr = 0;		/* Attributes to set */
+  uint32_t c_attr = 0;		/* Attributes to clear */
   int i;
   int files = 0;		/* Files processed */
   int e;