cdriso: look for data files if other one is selected

[pcsx_rearmed.git] / libpcsxcore / cdriso.c

diff --git a/libpcsxcore/cdriso.c b/libpcsxcore/cdriso.c
index 90c9d85..9ca4172 100644 (file)
--- a/libpcsxcore/cdriso.c
+++ b/libpcsxcore/cdriso.c
@@ -327,6 +327,14 @@ static int parsetoc(const char *isofile) {
                                return -1;
                        }
                }
+               // check if it's really a TOC named as a .cue
+               fgets(linebuf, sizeof(linebuf), fi);
+               token = strtok(tmp, " ");
+               if (strncmp(token, "CD", 2) != 0 && strcmp(token, "CATALOG") != 0) {
+                       fclose(fi);
+                       return -1;
+               }
+               fseek(fi, 0, SEEK_SET);
        }
 
        memset(&ti, 0, sizeof(ti));
@@ -470,10 +478,12 @@ static int parsecue(const char *isofile) {
 
        // build a path for files referenced in .cue
        strncpy(filepath, cuename, sizeof(filepath));
-       tmp = strrchr(filepath, '/') + 1;
-       if (tmp == NULL)
-               tmp = strrchr(filepath, '\\') + 1;
+       tmp = strrchr(filepath, '/');
        if (tmp == NULL)
+               tmp = strrchr(filepath, '\\');
+       if (tmp != NULL)
+               tmp++;
+       else
                tmp = filepath;
        *tmp = 0;
        filepath[sizeof(filepath) - 1] = 0;
@@ -1225,10 +1235,7 @@ static long CALLBACK ISOopen(void) {
        CDR_getBuffer = ISOgetBuffer;
        cdimg_read_func = cdread_normal;
 
-       if (parsecue(GetIsoFile()) == 0) {
-               SysPrintf("[+cue]");
-       }
-       else if (parsetoc(GetIsoFile()) == 0) {
+       if (parsetoc(GetIsoFile()) == 0) {
                SysPrintf("[+toc]");
        }
        else if (parseccd(GetIsoFile()) == 0) {
@@ -1237,6 +1244,9 @@ static long CALLBACK ISOopen(void) {
        else if (parsemds(GetIsoFile()) == 0) {
                SysPrintf("[+mds]");
        }
+       else if (parsecue(GetIsoFile()) == 0) {
+               SysPrintf("[+cue]");
+       }
        if (handlepbp(GetIsoFile()) == 0) {
                SysPrintf("[pbp]");
                CDR_getBuffer = ISOgetBuffer_compr;
@@ -1255,8 +1265,33 @@ static long CALLBACK ISOopen(void) {
                SysPrintf("[+sbi]");
        }
 
-       // guess whether it is mode1/2048
        fseek(cdHandle, 0, SEEK_END);
+
+       // maybe user selected metadata file instead of main .bin ..
+       if (ftell(cdHandle) < 2352 * 0x10) {
+               static const char *exts[] = { ".bin", ".BIN", ".img", ".IMG" };
+               char tmp[MAXPATHLEN], *p;
+               FILE *tmpf;
+               size_t i;
+
+               strncpy(tmp, GetIsoFile(), sizeof(tmp));
+               tmp[MAXPATHLEN - 1] = '\0';
+               if (strlen(tmp) >= 4) {
+                       p = tmp + strlen(tmp) - 4;
+                       for (i = 0; i < sizeof(exts) / sizeof(exts[0]); i++) {
+                               strcpy(p, exts[i]);
+                               tmpf = fopen(tmp, "rb");
+                               if (tmpf != NULL) {
+                                       fclose(cdHandle);
+                                       cdHandle = tmpf;
+                                       fseek(cdHandle, 0, SEEK_END);
+                                       break;
+                               }
+                       }
+               }
+       }
+
+       // guess whether it is mode1/2048
        if (ftell(cdHandle) % 2048 == 0) {
                unsigned int modeTest = 0;
                fseek(cdHandle, 0, SEEK_SET);
@@ -1314,8 +1349,12 @@ static long CALLBACK ISOclose(void) {
                }
        }
        numtracks = 0;
+       ti[1].type = 0;
        UnloadSBI();
 
+       memset(cdbuffer, 0, sizeof(cdbuffer));
+       CDR_getBuffer = ISOgetBuffer;
+
        return 0;
 }
 
@@ -1398,6 +1437,7 @@ static void DecodeRawSubData(void) {
 // uses bcd format
 static long CALLBACK ISOreadTrack(unsigned char *time) {
        int sector = MSF2SECT(btoi(time[0]), btoi(time[1]), btoi(time[2]));
+       long ret;
 
        if (cdHandle == NULL) {
                return -1;
@@ -1412,7 +1452,9 @@ static long CALLBACK ISOreadTrack(unsigned char *time) {
                }
        }
 
-       cdimg_read_func(cdHandle, 0, cdbuffer, sector);
+       ret = cdimg_read_func(cdHandle, 0, cdbuffer, sector);
+       if (ret < 0)
+               return -1;
 
        if (subHandle != NULL) {
                fseek(subHandle, sector * SUB_FRAMESIZE, SEEK_SET);