large file support

not tested if it actually reads over 2GB

diff --git a/configure b/configure
index 4ffa3a2..4d9b566 100755 (executable)
--- a/configure
+++ b/configure
@@ -24,7 +24,13 @@ compile_binary()
 
 check_define()
 {
-  $CC -E -dD $CFLAGS include/arm_features.h | grep -q $1 || return 1
+  $CC -E -dD $CFLAGS include/arm_features.h | grep -q "$1" || return 1
+  return 0
+}
+
+check_define_val()
+{
+  $CC -E -dD $CFLAGS include/arm_features.h | grep "$1" | awk '{print $3}'
   return 0
 }
 
@@ -477,6 +483,11 @@ if [ "x$need_xlib" = "xyes" ]; then
   check_xlib_headers || fail "please install libx11-dev"
 fi
 
+sizeof_long=`check_define_val __SIZEOF_LONG__`
+if [ "x$sizeof_long" = "x4" ]; then
+  CFLAGS="$CFLAGS -D_FILE_OFFSET_BITS=64"
+fi
+
 cat > $TMPC <<EOF
 void test(void *f, void *d) { fread(d, 1, 1, f); }
 EOF

diff --git a/libpcsxcore/cdriso.c b/libpcsxcore/cdriso.c
index 09aed17..515370f 100644 (file)
--- 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);