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Fixed corruption on large (>4GB) drives.

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This commit is contained in:
SarahW 2017-07-10 21:10:04 +01:00
commit 5c97ee3422
1 changed files with 5 additions and 3 deletions
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8
src/hdd_file.c
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@ -59,7 +59,8 @@ int hdd_read_sectors(hdd_file_t *hdd, int offset, int nr_sectors, void *buffer)
if ((hdd->sectors - offset) < transfer_sectors)
transfer_sectors = hdd->sectors - offset;
addr = offset * 512;
addr = (uint64_t)offset * 512;
fseeko64(hdd->f, addr, SEEK_SET);
fread(buffer, transfer_sectors*512, 1, hdd->f);
@ -75,7 +76,8 @@ int hdd_write_sectors(hdd_file_t *hdd, int offset, int nr_sectors, void *buffer)
if ((hdd->sectors - offset) < transfer_sectors)
transfer_sectors = hdd->sectors - offset;
addr = offset * 512;
addr = (uint64_t)offset * 512;
fseeko64(hdd->f, addr, SEEK_SET);
fwrite(buffer, transfer_sectors*512, 1, hdd->f);
@ -95,7 +97,7 @@ int hdd_format_sectors(hdd_file_t *hdd, int offset, int nr_sectors)
if ((hdd->sectors - offset) < transfer_sectors)
transfer_sectors = hdd->sectors - offset;
addr = offset * 512;
addr = (uint64_t)offset * 512;
fseeko64(hdd->f, addr, SEEK_SET);
for (c = 0; c < transfer_sectors; c++)
fwrite(zero_buffer, 512, 1, hdd->f);