80486DX2-66/86Box-fork
1
0
Fork 0
Code Issues Pull Requests Activity

VISO: Type flexibility and macro cleanups

Browse Source
This commit is contained in:
RichardG867
2024-06-14 00:50:08 -03:00
parent 7fd04ad942
commit 05226efe3d
1 changed files with 23 additions and 27 deletions
Download Patch File Download Diff File Expand all files Collapse all files

50
src/cdrom/cdrom_image_viso.c
View File

@@ -46,35 +46,35 @@
# define S_ISDIR(m) (((m) &S_IFMT) == S_IFDIR)
#endif
#ifdef __MINGW32__
# define stat _stat64
#ifdef _WIN32
# define stat _stat64
typedef struct __stat64 stat_t;
#else
typedef struct stat stat_t;
#endif
#define VISO_SKIP(p, n) \
{ \
memset(p, 0x00, n); \
p += n; \
#define VISO_SKIP(p, n) \
{ \
memset((p), 0x00, (n)); \
(p) += (n); \
}
#define VISO_TIME_VALID(t) ((t) > 0)
/* ISO 9660 defines "both endian" data formats, which
are stored as little endian followed by big endian. */
#define VISO_LBE_16(p, x) \
{ \
*((uint16_t *) p) = cpu_to_le16(x); \
p += 2; \
*((uint16_t *) p) = cpu_to_be16(x); \
p += 2; \
#define VISO_LBE_16(p, x) \
{ \
*((uint16_t *) (p)) = cpu_to_le16((x)); \
(p) += 2; \
*((uint16_t *) (p)) = cpu_to_be16((x)); \
(p) += 2; \
}
#define VISO_LBE_32(p, x) \
{ \
*((uint32_t *) p) = cpu_to_le32(x); \
p += 4; \
*((uint32_t *) p) = cpu_to_be32(x); \
p += 4; \
#define VISO_LBE_32(p, x) \
{ \
*((uint32_t *) (p)) = cpu_to_le32((x)); \
(p) += 4; \
*((uint32_t *) (p)) = cpu_to_be32((x)); \
(p) += 4; \
}
#define VISO_SECTOR_SIZE COOKED_SECTOR_SIZE
@@ -503,10 +503,6 @@ viso_fill_dir_record(uint8_t *data, viso_entry_t *entry, viso_t *viso, int type)
*p++ = 0; /* extended attribute length */
VISO_SKIP(p, 8); /* sector offset */
VISO_LBE_32(p, entry->stats.st_size); /* size (filled in later if this is a directory) */
#ifdef _WIN32
if (entry->stats.st_mtime < 0)
pclog("VISO: Warning: Windows returned st_mtime %lld on file [%s]\n", (long long) entry->stats.st_mtime, entry->path);
#endif
p += viso_fill_time(p, entry->stats.st_mtime, viso->format, 0); /* time */
*p++ = S_ISDIR(entry->stats.st_mode) ? 0x02 : 0x00; /* flags */
@@ -678,9 +674,9 @@ viso_read(void *priv, uint8_t *buffer, uint64_t seek, size_t count)
/* Handle reads in a sector by sector basis. */
while (count > 0) {
/* Determine the current sector, offset and remainder. */
uint32_t sector = seek / viso->sector_size;
uint32_t sector_offset = seek % viso->sector_size;
uint32_t sector_remain = MIN(count, viso->sector_size - sector_offset);
size_t sector = seek / viso->sector_size;
size_t sector_offset = seek % viso->sector_size;
size_t sector_remain = MIN(count, viso->sector_size - sector_offset);
/* Handle sector. */
if (sector < viso->metadata_sectors) {
@@ -1549,8 +1545,8 @@ next_entry:
if (!viso->metadata)
goto end;
fseeko64(viso->tf.fp, 0, SEEK_SET);
uint64_t metadata_size = viso->metadata_sectors * viso->sector_size;
uint64_t metadata_remain = metadata_size;
size_t metadata_size = viso->metadata_sectors * viso->sector_size;
size_t metadata_remain = metadata_size;
while (metadata_remain > 0)
metadata_remain -= fread(viso->metadata + (metadata_size - metadata_remain), 1, MIN(metadata_remain, viso->sector_size), viso->tf.fp);