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-rw-r--r--libpcsxcore/cdriso.c72
1 files changed, 40 insertions, 32 deletions
diff --git a/libpcsxcore/cdriso.c b/libpcsxcore/cdriso.c
index 09aed17..515370f 100644
--- a/libpcsxcore/cdriso.c
+++ b/libpcsxcore/cdriso.c
@@ -39,6 +39,8 @@
#include <errno.h>
#include <zlib.h>
+#define OFF_T_MSB ((off_t)1 << (sizeof(off_t) * 8 - 1))
+
unsigned int cdrIsoMultidiskCount;
unsigned int cdrIsoMultidiskSelect;
@@ -83,7 +85,7 @@ static unsigned int pregapOffset;
static struct {
unsigned char buff_raw[16][CD_FRAMESIZE_RAW];
unsigned char buff_compressed[CD_FRAMESIZE_RAW * 16 + 100];
- unsigned int *index_table;
+ off_t *index_table;
unsigned int index_len;
unsigned int block_shift;
unsigned int current_block;
@@ -787,8 +789,9 @@ static int handlepbp(const char *isofile) {
unsigned int dontcare[6];
} index_entry;
char psar_sig[11];
- unsigned int t, cd_length, cdimg_base;
- unsigned int offsettab[8], psisoimg_offs;
+ off_t psisoimg_offs, cdimg_base;
+ unsigned int t, cd_length;
+ unsigned int offsettab[8];
const char *ext = NULL;
int i, ret;
@@ -797,7 +800,7 @@ static int handlepbp(const char *isofile) {
if (ext == NULL || (strcmp(ext, ".pbp") != 0 && strcmp(ext, ".PBP") != 0))
return -1;
- fseek(cdHandle, 0, SEEK_SET);
+ fseeko(cdHandle, 0, SEEK_SET);
numtracks = 0;
@@ -807,7 +810,7 @@ static int handlepbp(const char *isofile) {
goto fail_io;
}
- ret = fseek(cdHandle, pbp_hdr.psar_offs, SEEK_SET);
+ ret = fseeko(cdHandle, pbp_hdr.psar_offs, SEEK_SET);
if (ret != 0) {
SysPrintf("failed to seek to %x\n", pbp_hdr.psar_offs);
goto fail_io;
@@ -818,7 +821,7 @@ static int handlepbp(const char *isofile) {
psar_sig[10] = 0;
if (strcmp(psar_sig, "PSTITLEIMG") == 0) {
// multidisk image?
- ret = fseek(cdHandle, pbp_hdr.psar_offs + 0x200, SEEK_SET);
+ ret = fseeko(cdHandle, pbp_hdr.psar_offs + 0x200, SEEK_SET);
if (ret != 0) {
SysPrintf("failed to seek to %x\n", pbp_hdr.psar_offs + 0x200);
goto fail_io;
@@ -844,9 +847,9 @@ static int handlepbp(const char *isofile) {
psisoimg_offs += offsettab[cdrIsoMultidiskSelect];
- ret = fseek(cdHandle, psisoimg_offs, SEEK_SET);
+ ret = fseeko(cdHandle, psisoimg_offs, SEEK_SET);
if (ret != 0) {
- SysPrintf("failed to seek to %x\n", psisoimg_offs);
+ SysPrintf("failed to seek to %llx\n", (long long)psisoimg_offs);
goto fail_io;
}
@@ -860,9 +863,9 @@ static int handlepbp(const char *isofile) {
}
// seek to TOC
- ret = fseek(cdHandle, psisoimg_offs + 0x800, SEEK_SET);
+ ret = fseeko(cdHandle, psisoimg_offs + 0x800, SEEK_SET);
if (ret != 0) {
- SysPrintf("failed to seek to %x\n", psisoimg_offs + 0x800);
+ SysPrintf("failed to seek to %llx\n", (long long)psisoimg_offs + 0x800);
goto fail_io;
}
@@ -896,7 +899,7 @@ static int handlepbp(const char *isofile) {
sec2msf(t, ti[numtracks].length);
// seek to ISO index
- ret = fseek(cdHandle, psisoimg_offs + 0x4000, SEEK_SET);
+ ret = fseeko(cdHandle, psisoimg_offs + 0x4000, SEEK_SET);
if (ret != 0) {
SysPrintf("failed to seek to ISO index\n");
goto fail_io;
@@ -954,6 +957,7 @@ static int handlecbin(const char *isofile) {
unsigned char rsv_06[2];
} ciso_hdr;
const char *ext = NULL;
+ unsigned int *index_table = NULL;
unsigned int index = 0, plain;
int i, ret;
@@ -975,7 +979,7 @@ static int handlecbin(const char *isofile) {
return -1;
}
if (ciso_hdr.header_size != 0 && ciso_hdr.header_size != sizeof(ciso_hdr)) {
- ret = fseek(cdHandle, ciso_hdr.header_size, SEEK_SET);
+ ret = fseeko(cdHandle, ciso_hdr.header_size, SEEK_SET);
if (ret != 0) {
SysPrintf("failed to seek to %x\n", ciso_hdr.header_size);
return -1;
@@ -990,30 +994,33 @@ static int handlecbin(const char *isofile) {
compr_img->current_block = (unsigned int)-1;
compr_img->index_len = ciso_hdr.total_bytes / ciso_hdr.block_size;
- compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0]));
- if (compr_img->index_table == NULL)
+ index_table = malloc((compr_img->index_len + 1) * sizeof(index_table[0]));
+ if (index_table == NULL)
goto fail_io;
- ret = fread(compr_img->index_table, sizeof(compr_img->index_table[0]), compr_img->index_len, cdHandle);
+ ret = fread(index_table, sizeof(index_table[0]), compr_img->index_len, cdHandle);
if (ret != compr_img->index_len) {
SysPrintf("failed to read index table\n");
goto fail_index;
}
+ compr_img->index_table = malloc((compr_img->index_len + 1) * sizeof(compr_img->index_table[0]));
+ if (compr_img->index_table == NULL)
+ goto fail_index;
+
for (i = 0; i < compr_img->index_len + 1; i++) {
- index = compr_img->index_table[i];
+ index = index_table[i];
plain = index & 0x80000000;
index &= 0x7fffffff;
- compr_img->index_table[i] = (index << ciso_hdr.align) | plain;
+ compr_img->index_table[i] = (off_t)index << ciso_hdr.align;
+ if (plain)
+ compr_img->index_table[i] |= OFF_T_MSB;
}
- if ((long long)index << ciso_hdr.align >= 0x80000000ll)
- SysPrintf("warning: ciso img too large, expect problems\n");
return 0;
fail_index:
- free(compr_img->index_table);
- compr_img->index_table = NULL;
+ free(index_table);
fail_io:
if (compr_img != NULL) {
free(compr_img);
@@ -1116,8 +1123,9 @@ static int uncompress2(void *out, unsigned long *out_size, void *in, unsigned lo
static int cdread_compressed(FILE *f, unsigned int base, void *dest, int sector)
{
unsigned long cdbuffer_size, cdbuffer_size_expect;
- unsigned int start_byte, size;
+ unsigned int size;
int is_compressed;
+ off_t start_byte;
int ret, block;
if (base)
@@ -1136,16 +1144,16 @@ static int cdread_compressed(FILE *f, unsigned int base, void *dest, int sector)
return -1;
}
- start_byte = compr_img->index_table[block] & 0x7fffffff;
- if (fseek(cdHandle, start_byte, SEEK_SET) != 0) {
- SysPrintf("seek error for block %d at %x: ",
- block, start_byte);
+ start_byte = compr_img->index_table[block] & ~OFF_T_MSB;
+ if (fseeko(cdHandle, start_byte, SEEK_SET) != 0) {
+ SysPrintf("seek error for block %d at %llx: ",
+ block, (long long)start_byte);
perror(NULL);
return -1;
}
- is_compressed = !(compr_img->index_table[block] & 0x80000000);
- size = (compr_img->index_table[block + 1] & 0x7fffffff) - start_byte;
+ is_compressed = !(compr_img->index_table[block] & OFF_T_MSB);
+ size = (compr_img->index_table[block + 1] & ~OFF_T_MSB) - start_byte;
if (size > sizeof(compr_img->buff_compressed)) {
SysPrintf("block %d is too large: %u\n", block, size);
return -1;
@@ -1276,11 +1284,11 @@ static long CALLBACK ISOopen(void) {
SysPrintf("[+sbi]");
}
- fseek(cdHandle, 0, SEEK_END);
+ fseeko(cdHandle, 0, SEEK_END);
// maybe user selected metadata file instead of main .bin ..
bin_filename = GetIsoFile();
- if (ftell(cdHandle) < 2352 * 0x10) {
+ if (ftello(cdHandle) < 2352 * 0x10) {
static const char *exts[] = { ".bin", ".BIN", ".img", ".IMG" };
FILE *tmpf = NULL;
size_t i;
@@ -1301,12 +1309,12 @@ static long CALLBACK ISOopen(void) {
bin_filename = alt_bin_filename;
fclose(cdHandle);
cdHandle = tmpf;
- fseek(cdHandle, 0, SEEK_END);
+ fseeko(cdHandle, 0, SEEK_END);
}
}
// guess whether it is mode1/2048
- if (ftell(cdHandle) % 2048 == 0) {
+ if (ftello(cdHandle) % 2048 == 0) {
unsigned int modeTest = 0;
fseek(cdHandle, 0, SEEK_SET);
fread(&modeTest, 4, 1, cdHandle);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-23 04:23:45 +0000