Changeset 7234617 in mainline for uspace/srv/fs/fat/fat_dentry.c

Timestamp:

2011-08-21T15:27:45Z (13 years ago)

Author:

Oleg Romanenko <romanenko.oleg@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

9fbe05e

Parents:

c56c4576

Message:

FAT: fixes for mips support

File:

• uspace/srv/fs/fat/fat_dentry.c (modified) (1 diff)

uspace/srv/fs/fat/fat_dentry.c

@@ -266 +266 @@
 }
 
-size_t fat_lfn_get_part(const uint16_t *src, size_t src_size, uint16_t *dst, size_t *offset)
-{
-        while (src_size!=0 && (*offset)!=0) {
-                src_size--;
-                if (src[src_size] == 0 || src[src_size] == FAT_LFN_PAD)
+size_t fat_lfn_get_entry(const fat_dentry_t *d, uint16_t *dst, size_t *offset)
+{
+        int i;
+        for (i=1; i>=0 && *offset>0; i--) {
+                if (d->lfn.part3[i] == 0 || d->lfn.part3[i] == FAT_LFN_PAD)
                         continue;
-
                 (*offset)--;
-                dst[(*offset)] = uint16_t_le2host(src[src_size]);
-        }
-        return (*offset);
-}
-
-size_t fat_lfn_get_entry(const fat_dentry_t *d, uint16_t *dst, size_t *offset)
-{
-        fat_lfn_get_part(FAT_LFN_PART3(d), FAT_LFN_PART3_SIZE, dst, offset);
-        fat_lfn_get_part(FAT_LFN_PART2(d), FAT_LFN_PART2_SIZE, dst, offset);
-        fat_lfn_get_part(FAT_LFN_PART1(d), FAT_LFN_PART1_SIZE, dst, offset);
-
+                dst[(*offset)] = uint16_t_le2host(d->lfn.part3[i]);
+        }
+        for (i=5; i>=0 && *offset>0; i--) {
+                if (d->lfn.part2[i] == 0 || d->lfn.part2[i] == FAT_LFN_PAD)
+                        continue;
+                (*offset)--;
+                dst[(*offset)] = uint16_t_le2host(d->lfn.part2[i]);
+        }
+        for (i=4; i>=0 && *offset>0; i--) {
+                if (d->lfn.part1[i] == 0 || d->lfn.part1[i] == FAT_LFN_PAD)
+                        continue;
+                (*offset)--;
+                dst[(*offset)] = uint16_t_le2host(d->lfn.part1[i]);
+        }
         return *offset;
 }
 
-size_t fat_lfn_set_part(const uint16_t *src, size_t *offset, size_t src_size, uint16_t *dst, size_t dst_size)
+size_t fat_lfn_set_entry(const uint16_t *src, size_t *offset, size_t size, fat_dentry_t *d)
 {
         size_t idx;
-        for (idx=0; idx < dst_size; idx++) {
-                if (*offset < src_size) {
-                        dst[idx] = uint16_t_le2host(src[*offset]);
+        for (idx=0; idx < 5; idx++) {
+                if (*offset < size) {
+                        d->lfn.part1[idx] = host2uint16_t_le(src[*offset]);
                         (*offset)++;
                 }
                 else
-                        dst[idx] = FAT_LFN_PAD;
-        }
-        return *offset;
-}
-
-size_t fat_lfn_set_entry(const uint16_t *src, size_t *offset, size_t size, fat_dentry_t *d)
-{
-        fat_lfn_set_part(src, offset, size, FAT_LFN_PART1(d), FAT_LFN_PART1_SIZE);
-        fat_lfn_set_part(src, offset, size, FAT_LFN_PART2(d), FAT_LFN_PART2_SIZE);
-        fat_lfn_set_part(src, offset, size, FAT_LFN_PART3(d), FAT_LFN_PART3_SIZE);
+                        d->lfn.part1[idx] = FAT_LFN_PAD;
+        }
+        for (idx=0; idx < 6; idx++) {
+                if (*offset < size) {
+                        d->lfn.part2[idx] = host2uint16_t_le(src[*offset]);
+                        (*offset)++;
+                }
+                else
+                        d->lfn.part2[idx] = FAT_LFN_PAD;
+        }
+        for (idx=0; idx < 2; idx++) {
+                if (*offset < size) {
+                        d->lfn.part3[idx] = host2uint16_t_le(src[*offset]);
+                        (*offset)++;
+                }
+                else
+                        d->lfn.part3[idx] = FAT_LFN_PAD;
+        }
+
         if (src[*offset] == 0)
                 offset++;