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    revision 983 by niro, Fri Apr 24 18:33:46 2009 UTC revision 984 by niro, Sun May 30 11:32:42 2010 UTC
    # Line 7  Line 7 
    7   *   *
    8   * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.   * Licensed under the GPL v2 or later, see the file LICENSE in this tarball.
    9   */   */
       
    10  #include "libbb.h"  #include "libbb.h"
       
     /* For 2.6, use the cleaned up header to get the 64 bit API. */  
    11  #include <linux/version.h>  #include <linux/version.h>
    12    
    13  #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)  #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
    14  #include <linux/loop.h>  
    15    /* For 2.6, use the cleaned up header to get the 64 bit API. */
    16    /* linux/loop.h relies on __u64. Make sure we have that as a proper type
    17     * until userspace is widely fixed. */
    18    # if (defined __INTEL_COMPILER && !defined __GNUC__) \
    19      || (defined __GNUC__ && defined __STRICT_ANSI__)
    20    __extension__ typedef long long __s64;
    21    __extension__ typedef unsigned long long __u64;
    22    # endif
    23    # include <linux/loop.h>
    24  typedef struct loop_info64 bb_loop_info;  typedef struct loop_info64 bb_loop_info;
    25  #define BB_LOOP_SET_STATUS LOOP_SET_STATUS64  # define BB_LOOP_SET_STATUS LOOP_SET_STATUS64
    26  #define BB_LOOP_GET_STATUS LOOP_GET_STATUS64  # define BB_LOOP_GET_STATUS LOOP_GET_STATUS64
    27    
     /* For 2.4 and earlier, use the 32 bit API (and don't trust the headers) */  
    28  #else  #else
    29  /* Stuff stolen from linux/loop.h for 2.4 and earlier kernels*/  
    30  #include <linux/posix_types.h>  /* For 2.4 and earlier, use the 32 bit API (and don't trust the headers) */
    31  #define LO_NAME_SIZE        64  /* Stuff stolen from linux/loop.h for 2.4 and earlier kernels */
    32  #define LO_KEY_SIZE         32  # include <linux/posix_types.h>
    33  #define LOOP_SET_FD         0x4C00  # define LO_NAME_SIZE        64
    34  #define LOOP_CLR_FD         0x4C01  # define LO_KEY_SIZE         32
    35  #define BB_LOOP_SET_STATUS  0x4C02  # define LOOP_SET_FD         0x4C00
    36  #define BB_LOOP_GET_STATUS  0x4C03  # define LOOP_CLR_FD         0x4C01
    37    # define BB_LOOP_SET_STATUS  0x4C02
    38    # define BB_LOOP_GET_STATUS  0x4C03
    39  typedef struct {  typedef struct {
    40   int                lo_number;   int                lo_number;
    41   __kernel_dev_t     lo_device;   __kernel_dev_t     lo_device;
    # Line 60  char* FAST_FUNC query_loop(const char *d Line 68  char* FAST_FUNC query_loop(const char *d
    68   return dev;   return dev;
    69  }  }
    70    
       
    71  int FAST_FUNC del_loop(const char *device)  int FAST_FUNC del_loop(const char *device)
    72  {  {
    73   int fd, rc;   int fd, rc;
    # Line 98  int FAST_FUNC set_loop(char **device, co Line 105  int FAST_FUNC set_loop(char **device, co
    105   }   }
    106    
    107   /* Find a loop device.  */   /* Find a loop device.  */
    108   try = *device ? : dev;   try = *device ? *device : dev;
    109   for (i = 0; rc; i++) {   for (i = 0; rc; i++) {
    110   sprintf(dev, LOOP_FORMAT, i);   sprintf(dev, LOOP_FORMAT, i);
    111    
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