Merge branch 'maint' into next

[thirdparty/e2fsprogs.git] / lib / ext2fs / gen_bitmap.c

diff --git a/lib/ext2fs/gen_bitmap.c b/lib/ext2fs/gen_bitmap.c
index 674baa3e20268f51ce09ea72e4389a7a7498a7ee..c94c21b663dc3aaef09cc0740f0b114d20220232 100644 (file)
--- a/lib/ext2fs/gen_bitmap.c
+++ b/lib/ext2fs/gen_bitmap.c
@@ -28,7 +28,7 @@
 #include "ext2_fs.h"
 #include "ext2fsP.h"
 
-struct ext2fs_struct_generic_bitmap {
+struct ext2fs_struct_generic_bitmap_32 {
        errcode_t       magic;
        ext2_filsys     fs;
        __u32           start, end;
@@ -39,6 +39,8 @@ struct ext2fs_struct_generic_bitmap {
        __u32           reserved[7];
 };
 
+typedef struct ext2fs_struct_generic_bitmap_32 *ext2fs_generic_bitmap_32;
+
 #define EXT2FS_IS_32_BITMAP(bmap) \
        (((bmap)->magic == EXT2_ET_MAGIC_GENERIC_BITMAP) || \
         ((bmap)->magic == EXT2_ET_MAGIC_BLOCK_BITMAP) || \
@@ -53,9 +55,11 @@ struct ext2fs_struct_generic_bitmap {
  * Used by previously inlined function, so we have to export this and
  * not change the function signature
  */
-void ext2fs_warn_bitmap2(ext2fs_generic_bitmap bitmap,
+void ext2fs_warn_bitmap2(ext2fs_generic_bitmap gen_bitmap,
                            int code, unsigned long arg)
 {
+       ext2fs_generic_bitmap_32 bitmap = (ext2fs_generic_bitmap_32) gen_bitmap;
+
 #ifndef OMIT_COM_ERR
        if (bitmap->description)
                com_err(0, bitmap->base_error_code+code,
@@ -79,11 +83,11 @@ errcode_t ext2fs_make_generic_bitmap(errcode_t magic, ext2_filsys fs,
                                     const char *descr, char *init_map,
                                     ext2fs_generic_bitmap *ret)
 {
-       ext2fs_generic_bitmap   bitmap;
+       ext2fs_generic_bitmap_32 bitmap;
        errcode_t               retval;
        size_t                  size;
 
-       retval = ext2fs_get_mem(sizeof(struct ext2fs_struct_generic_bitmap),
+       retval = ext2fs_get_mem(sizeof(struct ext2fs_struct_generic_bitmap_32),
                                &bitmap);
        if (retval)
                return retval;
@@ -127,7 +131,7 @@ errcode_t ext2fs_make_generic_bitmap(errcode_t magic, ext2_filsys fs,
                memcpy(bitmap->bitmap, init_map, size);
        else
                memset(bitmap->bitmap, 0, size);
-       *ret = bitmap;
+       *ret = (ext2fs_generic_bitmap) bitmap;
        return 0;
 }
 
@@ -141,9 +145,11 @@ errcode_t ext2fs_allocate_generic_bitmap(__u32 start,
                                          start, end, real_end, descr, 0, ret);
 }
 
-errcode_t ext2fs_copy_generic_bitmap(ext2fs_generic_bitmap src,
+errcode_t ext2fs_copy_generic_bitmap(ext2fs_generic_bitmap gen_src,
                                     ext2fs_generic_bitmap *dest)
 {
+       ext2fs_generic_bitmap_32 src = (ext2fs_generic_bitmap_32) gen_src;
+
        return (ext2fs_make_generic_bitmap(src->magic, src->fs,
                                           src->start, src->end,
                                           src->real_end,
@@ -151,9 +157,11 @@ errcode_t ext2fs_copy_generic_bitmap(ext2fs_generic_bitmap src,
                                           dest));
 }
 
-void ext2fs_free_generic_bitmap(ext2fs_inode_bitmap bitmap)
+void ext2fs_free_generic_bitmap(ext2fs_inode_bitmap gen_bitmap)
 {
-       if (check_magic(bitmap))
+       ext2fs_generic_bitmap_32 bitmap = (ext2fs_generic_bitmap_32) gen_bitmap;
+
+       if (check_magic(gen_bitmap))
                return;
 
        bitmap->magic = 0;
@@ -171,6 +179,8 @@ void ext2fs_free_generic_bitmap(ext2fs_inode_bitmap bitmap)
 int ext2fs_test_generic_bitmap(ext2fs_generic_bitmap bitmap,
                                        blk_t bitno)
 {
+       ext2fs_generic_bitmap_32 bitmap32 = (ext2fs_generic_bitmap_32) bitmap;
+
        if (!EXT2FS_IS_32_BITMAP(bitmap)) {
                if (EXT2FS_IS_64_BITMAP(bitmap)) {
                        ext2fs_warn_bitmap32(bitmap, __func__);
@@ -183,16 +193,18 @@ int ext2fs_test_generic_bitmap(ext2fs_generic_bitmap bitmap,
                return 0;
        }
 
-       if ((bitno < bitmap->start) || (bitno > bitmap->end)) {
+       if ((bitno < bitmap32->start) || (bitno > bitmap32->end)) {
                ext2fs_warn_bitmap2(bitmap, EXT2FS_TEST_ERROR, bitno);
                return 0;
        }
-       return ext2fs_test_bit(bitno - bitmap->start, bitmap->bitmap);
+       return ext2fs_test_bit(bitno - bitmap32->start, bitmap32->bitmap);
 }
 
 int ext2fs_mark_generic_bitmap(ext2fs_generic_bitmap bitmap,
                                         __u32 bitno)
 {
+       ext2fs_generic_bitmap_32 bitmap32 = (ext2fs_generic_bitmap_32) bitmap;
+
        if (!EXT2FS_IS_32_BITMAP(bitmap)) {
                if (EXT2FS_IS_64_BITMAP(bitmap)) {
                        ext2fs_warn_bitmap32(bitmap, __func__);
@@ -205,16 +217,18 @@ int ext2fs_mark_generic_bitmap(ext2fs_generic_bitmap bitmap,
                return 0;
        }
 
-       if ((bitno < bitmap->start) || (bitno > bitmap->end)) {
+       if ((bitno < bitmap32->start) || (bitno > bitmap32->end)) {
                ext2fs_warn_bitmap2(bitmap, EXT2FS_MARK_ERROR, bitno);
                return 0;
        }
-       return ext2fs_set_bit(bitno - bitmap->start, bitmap->bitmap);
+       return ext2fs_set_bit(bitno - bitmap32->start, bitmap32->bitmap);
 }
 
 int ext2fs_unmark_generic_bitmap(ext2fs_generic_bitmap bitmap,
                                           blk_t bitno)
 {
+       ext2fs_generic_bitmap_32 bitmap32 = (ext2fs_generic_bitmap_32) bitmap;
+
        if (!EXT2FS_IS_32_BITMAP(bitmap)) {
                if (EXT2FS_IS_64_BITMAP(bitmap)) {
                        ext2fs_warn_bitmap32(bitmap, __func__);
@@ -227,15 +241,17 @@ int ext2fs_unmark_generic_bitmap(ext2fs_generic_bitmap bitmap,
                return 0;
        }
 
-       if ((bitno < bitmap->start) || (bitno > bitmap->end)) {
+       if ((bitno < bitmap32->start) || (bitno > bitmap32->end)) {
                ext2fs_warn_bitmap2(bitmap, EXT2FS_UNMARK_ERROR, bitno);
                return 0;
        }
-       return ext2fs_clear_bit(bitno - bitmap->start, bitmap->bitmap);
+       return ext2fs_clear_bit(bitno - bitmap32->start, bitmap32->bitmap);
 }
 
 __u32 ext2fs_get_generic_bitmap_start(ext2fs_generic_bitmap bitmap)
 {
+       ext2fs_generic_bitmap_32 bitmap32 = (ext2fs_generic_bitmap_32) bitmap;
+
        if (!EXT2FS_IS_32_BITMAP(bitmap)) {
                if (EXT2FS_IS_64_BITMAP(bitmap)) {
                        ext2fs_warn_bitmap32(bitmap, __func__);
@@ -248,11 +264,13 @@ __u32 ext2fs_get_generic_bitmap_start(ext2fs_generic_bitmap bitmap)
                return 0;
        }
 
-       return bitmap->start;
+       return bitmap32->start;
 }
 
 __u32 ext2fs_get_generic_bitmap_end(ext2fs_generic_bitmap bitmap)
 {
+       ext2fs_generic_bitmap_32 bitmap32 = (ext2fs_generic_bitmap_32) bitmap;
+
        if (!EXT2FS_IS_32_BITMAP(bitmap)) {
                if (EXT2FS_IS_64_BITMAP(bitmap)) {
                        ext2fs_warn_bitmap32(bitmap, __func__);
@@ -264,11 +282,13 @@ __u32 ext2fs_get_generic_bitmap_end(ext2fs_generic_bitmap bitmap)
 #endif
                return 0;
        }
-       return bitmap->end;
+       return bitmap32->end;
 }
 
 void ext2fs_clear_generic_bitmap(ext2fs_generic_bitmap bitmap)
 {
+       ext2fs_generic_bitmap_32 bitmap32 = (ext2fs_generic_bitmap_32) bitmap;
+
        if (!EXT2FS_IS_32_BITMAP(bitmap)) {
                if (EXT2FS_IS_64_BITMAP(bitmap)) {
                        ext2fs_warn_bitmap32(bitmap, __func__);
@@ -282,14 +302,16 @@ void ext2fs_clear_generic_bitmap(ext2fs_generic_bitmap bitmap)
                return;
        }
 
-       memset(bitmap->bitmap, 0,
-              (size_t) (((bitmap->real_end - bitmap->start) / 8) + 1));
+       memset(bitmap32->bitmap, 0,
+              (size_t) (((bitmap32->real_end - bitmap32->start) / 8) + 1));
 }
 
-errcode_t ext2fs_fudge_generic_bitmap_end(ext2fs_inode_bitmap bitmap,
+errcode_t ext2fs_fudge_generic_bitmap_end(ext2fs_inode_bitmap gen_bitmap,
                                          errcode_t magic, errcode_t neq,
                                          ext2_ino_t end, ext2_ino_t *oend)
 {
+       ext2fs_generic_bitmap_32 bitmap = (ext2fs_generic_bitmap_32) gen_bitmap;
+
        EXT2_CHECK_MAGIC(bitmap, magic);
 
        if (end > bitmap->real_end)
@@ -302,8 +324,9 @@ errcode_t ext2fs_fudge_generic_bitmap_end(ext2fs_inode_bitmap bitmap,
 
 errcode_t ext2fs_resize_generic_bitmap(errcode_t magic,
                                       __u32 new_end, __u32 new_real_end,
-                                      ext2fs_generic_bitmap bmap)
+                                      ext2fs_generic_bitmap gen_bmap)
 {
+       ext2fs_generic_bitmap_32 bmap = (ext2fs_generic_bitmap_32) gen_bmap;
        errcode_t       retval;
        size_t          size, new_size;
        __u32           bitno;
@@ -344,9 +367,11 @@ errcode_t ext2fs_resize_generic_bitmap(errcode_t magic,
 }
 
 errcode_t ext2fs_compare_generic_bitmap(errcode_t magic, errcode_t neq,
-                                       ext2fs_generic_bitmap bm1,
-                                       ext2fs_generic_bitmap bm2)
+                                       ext2fs_generic_bitmap gen_bm1,
+                                       ext2fs_generic_bitmap gen_bm2)
 {
+       ext2fs_generic_bitmap_32 bm1 = (ext2fs_generic_bitmap_32) gen_bm1;
+       ext2fs_generic_bitmap_32 bm2 = (ext2fs_generic_bitmap_32) gen_bm2;
        blk_t   i;
 
        if (!bm1 || bm1->magic != magic)
@@ -361,15 +386,16 @@ errcode_t ext2fs_compare_generic_bitmap(errcode_t magic, errcode_t neq,
                return neq;
 
        for (i = bm1->end - ((bm1->end - bm1->start) % 8); i <= bm1->end; i++)
-               if (ext2fs_fast_test_block_bitmap(bm1, i) !=
-                   ext2fs_fast_test_block_bitmap(bm2, i))
+               if (ext2fs_fast_test_block_bitmap(gen_bm1, i) !=
+                   ext2fs_fast_test_block_bitmap(gen_bm2, i))
                        return neq;
 
        return 0;
 }
 
-void ext2fs_set_generic_bitmap_padding(ext2fs_generic_bitmap map)
+void ext2fs_set_generic_bitmap_padding(ext2fs_generic_bitmap gen_map)
 {
+       ext2fs_generic_bitmap_32 map = (ext2fs_generic_bitmap_32) gen_map;
        __u32   i, j;
 
        /* Protect loop from wrap-around if map->real_end is maxed */
@@ -379,11 +405,13 @@ void ext2fs_set_generic_bitmap_padding(ext2fs_generic_bitmap map)
                ext2fs_set_bit(j, map->bitmap);
 }
 
-errcode_t ext2fs_get_generic_bitmap_range(ext2fs_generic_bitmap bmap,
+errcode_t ext2fs_get_generic_bitmap_range(ext2fs_generic_bitmap gen_bmap,
                                          errcode_t magic,
                                          __u32 start, __u32 num,
                                          void *out)
 {
+       ext2fs_generic_bitmap_32 bmap = (ext2fs_generic_bitmap_32) gen_bmap;
+
        if (!bmap || (bmap->magic != magic))
                return magic;
 
@@ -394,11 +422,13 @@ errcode_t ext2fs_get_generic_bitmap_range(ext2fs_generic_bitmap bmap,
        return 0;
 }
 
-errcode_t ext2fs_set_generic_bitmap_range(ext2fs_generic_bitmap bmap,
+errcode_t ext2fs_set_generic_bitmap_range(ext2fs_generic_bitmap gen_bmap,
                                          errcode_t magic,
                                          __u32 start, __u32 num,
                                          void *in)
 {
+       ext2fs_generic_bitmap_32 bmap = (ext2fs_generic_bitmap_32) gen_bmap;
+
        if (!bmap || (bmap->magic != magic))
                return magic;
 
@@ -432,10 +462,11 @@ int ext2fs_mem_is_zero(const char *mem, size_t len)
 /*
  * Return true if all of the bits in a specified range are clear
  */
-static int ext2fs_test_clear_generic_bitmap_range(ext2fs_generic_bitmap bitmap,
+static int ext2fs_test_clear_generic_bitmap_range(ext2fs_generic_bitmap gen_bitmap,
                                                  unsigned int start,
                                                  unsigned int len)
 {
+       ext2fs_generic_bitmap_32 bitmap = (ext2fs_generic_bitmap_32) gen_bitmap;
        size_t start_byte, len_byte = len >> 3;
        unsigned int start_bit, len_bit = len % 8;
        int first_bit = 0;
@@ -504,14 +535,15 @@ static int ext2fs_test_clear_generic_bitmap_range(ext2fs_generic_bitmap bitmap,
        return ext2fs_mem_is_zero(ADDR + start_byte, len_byte);
 }
 
-errcode_t ext2fs_find_first_zero_generic_bitmap(ext2fs_generic_bitmap bitmap,
+errcode_t ext2fs_find_first_zero_generic_bitmap(ext2fs_generic_bitmap gen_bitmap,
                                                __u32 start, __u32 end,
                                                __u32 *out)
 {
+       ext2fs_generic_bitmap_32 bitmap = (ext2fs_generic_bitmap_32) gen_bitmap;
        blk_t b;
 
        if (start < bitmap->start || end > bitmap->end || start > end) {
-               ext2fs_warn_bitmap2(bitmap, EXT2FS_TEST_ERROR, start);
+               ext2fs_warn_bitmap2(gen_bitmap, EXT2FS_TEST_ERROR, start);
                return EINVAL;
        }
 
@@ -527,14 +559,15 @@ errcode_t ext2fs_find_first_zero_generic_bitmap(ext2fs_generic_bitmap bitmap,
        return ENOENT;
 }
 
-errcode_t ext2fs_find_first_set_generic_bitmap(ext2fs_generic_bitmap bitmap,
+errcode_t ext2fs_find_first_set_generic_bitmap(ext2fs_generic_bitmap gen_bitmap,
                                               __u32 start, __u32 end,
                                               __u32 *out)
 {
+       ext2fs_generic_bitmap_32 bitmap = (ext2fs_generic_bitmap_32) gen_bitmap;
        blk_t b;
 
        if (start < bitmap->start || end > bitmap->end || start > end) {
-               ext2fs_warn_bitmap2(bitmap, EXT2FS_TEST_ERROR, start);
+               ext2fs_warn_bitmap2(gen_bitmap, EXT2FS_TEST_ERROR, start);
                return EINVAL;
        }
 
@@ -550,9 +583,11 @@ errcode_t ext2fs_find_first_set_generic_bitmap(ext2fs_generic_bitmap bitmap,
        return ENOENT;
 }
 
-int ext2fs_test_block_bitmap_range(ext2fs_block_bitmap bitmap,
+int ext2fs_test_block_bitmap_range(ext2fs_block_bitmap gen_bitmap,
                                   blk_t block, int num)
 {
+       ext2fs_generic_bitmap_32 bitmap = (ext2fs_generic_bitmap_32) gen_bitmap;
+
        EXT2_CHECK_MAGIC(bitmap, EXT2_ET_MAGIC_BLOCK_BITMAP);
        if ((block < bitmap->start) || (block > bitmap->real_end) ||
            (block+num-1 > bitmap->real_end)) {
@@ -564,9 +599,11 @@ int ext2fs_test_block_bitmap_range(ext2fs_block_bitmap bitmap,
                                                      bitmap, block, num);
 }
 
-int ext2fs_test_inode_bitmap_range(ext2fs_inode_bitmap bitmap,
+int ext2fs_test_inode_bitmap_range(ext2fs_inode_bitmap gen_bitmap,
                                   ext2_ino_t inode, int num)
 {
+       ext2fs_generic_bitmap_32 bitmap = (ext2fs_generic_bitmap_32) gen_bitmap;
+
        EXT2_CHECK_MAGIC(bitmap, EXT2_ET_MAGIC_INODE_BITMAP);
        if ((inode < bitmap->start) || (inode > bitmap->real_end) ||
            (inode+num-1 > bitmap->real_end)) {
@@ -578,9 +615,10 @@ int ext2fs_test_inode_bitmap_range(ext2fs_inode_bitmap bitmap,
                                                      bitmap, inode, num);
 }
 
-void ext2fs_mark_block_bitmap_range(ext2fs_block_bitmap bitmap,
+void ext2fs_mark_block_bitmap_range(ext2fs_block_bitmap gen_bitmap,
                                    blk_t block, int num)
 {
+       ext2fs_generic_bitmap_32 bitmap = (ext2fs_generic_bitmap_32) gen_bitmap;
        int     i;
 
        if ((block < bitmap->start) || (block > bitmap->end) ||
@@ -593,9 +631,10 @@ void ext2fs_mark_block_bitmap_range(ext2fs_block_bitmap bitmap,
                ext2fs_fast_set_bit(block + i - bitmap->start, bitmap->bitmap);
 }
 
-void ext2fs_unmark_block_bitmap_range(ext2fs_block_bitmap bitmap,
-                                              blk_t block, int num)
+void ext2fs_unmark_block_bitmap_range(ext2fs_block_bitmap gen_bitmap,
+                                     blk_t block, int num)
 {
+       ext2fs_generic_bitmap_32 bitmap = (ext2fs_generic_bitmap_32) gen_bitmap;
        int     i;
 
        if ((block < bitmap->start) || (block > bitmap->end) ||