mirror of https://github.com/snes9xgit/snes9x.git
Condense CheckForAnyPatch with lambdas.
This commit is contained in:
BearOso
parent
db10ed33e1
commit
3bbed09867
445
memmap.cpp
445
memmap.cpp
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@ -3788,356 +3788,141 @@ static int unzFindExtension (unzFile &file, const char *ext, bool restart, bool
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}
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#endif
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void CMemory::CheckForAnyPatch (const char *rom_filename, bool8 header, int32 &rom_size)
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void CMemory::CheckForAnyPatch(const char *rom_filename, bool8 header, int32 &rom_size)
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{
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Settings.IsPatched = false;
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Settings.IsPatched = false;
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if (Settings.NoPatch)
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return;
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if (Settings.NoPatch)
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return;
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FSTREAM patch_file = NULL;
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uint32 i;
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long offset = header ? 512 : 0;
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int ret;
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bool flag;
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char ips[8];
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FSTREAM patch_file = NULL;
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long offset = header ? 512 : 0;
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int ret;
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bool flag = false;
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int rom_filename_length = strlen(rom_filename);
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const char *ext = NULL;
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if (rom_filename_length < 4)
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return;
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if (rom_filename[rom_filename_length - 4] == '.')
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ext = &rom_filename[rom_filename_length - 3];
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int rom_filename_length = strlen(rom_filename);
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const char *ext = NULL;
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if (rom_filename_length < 4)
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return;
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if (rom_filename[rom_filename_length - 4] == '.')
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ext = &rom_filename[rom_filename_length - 3];
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#ifdef UNZIP_SUPPORT
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if (!strcasecmp(ext, "zip") || !strcasecmp(ext, ".zip"))
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{
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unzFile file = unzOpen(rom_filename);
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if (file)
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{
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int port = unzFindExtension(file, "bps");
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if (port == UNZ_OK)
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{
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printf(" in %s", rom_filename);
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Stream *s = new unzStream(file);
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ret = ReadBPSPatch(s, offset, rom_size);
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delete s;
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if (ret)
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printf("!\n");
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else
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printf(" failed!\n");
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}
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port = unzFindExtension(file, "ups");
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if (port == UNZ_OK)
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{
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printf(" in %s", rom_filename);
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Stream *s = new unzStream(file);
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ret = ReadUPSPatch(s, offset, rom_size);
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delete s;
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if (ret)
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printf("!\n");
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else
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printf(" failed!\n");
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}
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port = unzFindExtension(file, "ips");
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while (port == UNZ_OK)
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{
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printf(" in %s", rom_filename);
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Stream *s = new unzStream(file);
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ret = ReadIPSPatch(s, offset, rom_size);
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delete s;
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if (ret)
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{
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printf("!\n");
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flag = true;
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}
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else
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printf(" failed!\n");
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port = unzFindExtension(file, "ips", false);
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}
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if (!flag)
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{
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i = 0;
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do
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{
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snprintf(ips, 8, "%03d.ips", i);
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if (unzFindExtension(file, ips) != UNZ_OK)
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break;
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printf(" in %s", rom_filename);
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if (!strcasecmp(ext, "zip") || !strcasecmp(ext, ".zip"))
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{
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unzFile file = unzOpen(rom_filename);
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if (file)
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{
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auto try_zip_patch = [&](const char *ext, bool8 (*read_patch_func)(Stream * r, long offset, int32 &rom_size)) -> bool {
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if (unzFindExtension(file, ext) == UNZ_OK)
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{
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printf(" in %s", rom_filename);
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Stream *s = new unzStream(file);
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ret = ReadIPSPatch(s, offset, rom_size);
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delete s;
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ret = read_patch_func(s, offset, rom_size);
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delete s;
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if (ret)
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{
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printf("!\n");
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flag = true;
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}
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else
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{
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printf(" failed!\n");
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break;
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}
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if (ret)
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{
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printf("!\n");
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flag = true;
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return true;
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}
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if (unzFindExtension(file, ips, false, false) == UNZ_OK)
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printf("WARNING: Ignoring extra .%s files!\n", ips);
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} while (++i < 1000);
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}
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printf(" failed!\n");
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}
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return false;
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};
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if (!flag)
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{
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i = 0;
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auto try_zip_ips_sequence = [&](const char *pattern) {
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for (int i = 0; i < 1000; i++)
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{
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char ips[8];
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snprintf(ips, 8, pattern, i);
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if (!try_zip_patch(ips, ReadIPSPatch))
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break;
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}
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};
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do
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{
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snprintf(ips, 8, "ips%d", i);
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if (!flag)
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try_zip_patch("bps", ReadBPSPatch);
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if (!flag)
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try_zip_patch("ups", ReadUPSPatch);
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if (!flag)
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try_zip_patch("ips", ReadIPSPatch);
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if (!flag)
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try_zip_ips_sequence("%03d.ips");
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if (!flag)
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try_zip_ips_sequence("ips%d");
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if (!flag)
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try_zip_ips_sequence("ip%d");
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if (unzFindExtension(file, ips) != UNZ_OK)
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break;
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assert(unzClose(file) == UNZ_OK);
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printf(" in %s", rom_filename);
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if (flag)
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return;
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}
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}
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Stream *s = new unzStream(file);
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ret = ReadIPSPatch(s, offset, rom_size);
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delete s;
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// Mercurial Magic (MSU-1 distribution pack)
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if (strcasecmp(ext, "msu1") && strcasecmp(ext, ".msu1")) // ROM was *NOT* loaded from a .msu1 pack
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{
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Stream *s = S9xMSU1OpenFile("patch.bps", TRUE);
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if (s)
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{
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printf("Using BPS patch from msu1");
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ret = ReadBPSPatch(s, offset, rom_size);
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s->closeStream();
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if (ret)
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{
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printf("!\n");
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flag = true;
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}
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else
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{
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printf(" failed!\n");
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break;
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}
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if (unzFindExtension(file, ips, false, false) == UNZ_OK)
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printf("WARNING: Ignoring extra .%s files!\n", ips);
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} while (++i < 1000);
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}
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if (!flag)
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{
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i = 0;
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do
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{
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snprintf(ips, 4, "ip%d", i);
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if (unzFindExtension(file, ips) != UNZ_OK)
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break;
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printf(" in %s", rom_filename);
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Stream *s = new unzStream(file);
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ret = ReadIPSPatch(s, offset, rom_size);
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delete s;
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if (ret)
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{
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printf("!\n");
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flag = true;
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}
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else
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{
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printf(" failed!\n");
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break;
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}
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if (unzFindExtension(file, ips, false, false) == UNZ_OK)
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printf("WARNING: Ignoring extra .%s files!\n", ips);
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} while (++i < 10);
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}
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assert(unzClose(file) == UNZ_OK);
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if (flag)
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return;
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}
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}
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// Mercurial Magic (MSU-1 distribution pack)
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if (strcasecmp(ext, "msu1") && strcasecmp(ext, ".msu1")) // ROM was *NOT* loaded from a .msu1 pack
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{
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Stream *s = S9xMSU1OpenFile("patch.bps", TRUE);
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if (s)
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{
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printf("Using BPS patch from msu1");
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ret = ReadBPSPatch(s, offset, rom_size);
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s->closeStream();
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if (ret)
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printf("!\n");
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else
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printf(" failed!\n");
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}
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}
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if (ret)
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printf("!\n");
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else
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printf(" failed!\n");
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}
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}
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#endif
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// BPS
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std::string filename = S9xGetFilename(".bps", PATCH_DIR);
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auto try_patch = [&](const char *type, std::string filename, bool8 (*read_patch_func)(Stream * r, long offset, int32 &rom_size)) -> bool {
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if ((patch_file = OPEN_FSTREAM(filename.c_str(), "rb")) != NULL)
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{
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printf("Using %s patch %s", type, filename.c_str());
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if ((patch_file = OPEN_FSTREAM(filename.c_str(), "rb")) != NULL)
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{
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printf("Using BPS patch %s", filename.c_str());
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Stream *s = new fStream(patch_file);
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ret = read_patch_func(s, 0, rom_size);
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s->closeStream();
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Stream *s = new fStream(patch_file);
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ret = ReadBPSPatch(s, 0, rom_size);
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s->closeStream();
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if (ret)
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{
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printf("!\n");
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return true;
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}
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else
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printf(" failed!\n");
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}
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return false;
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};
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if (ret)
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{
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printf("!\n");
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return;
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}
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else
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printf(" failed!\n");
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}
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auto try_ips_sequence = [&](const char *pattern) -> bool {
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for (int i = 0; i < 1000; i++)
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{
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char ips[8];
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snprintf(ips, 8, pattern, i);
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if (!try_patch("IPS", ips, ReadIPSPatch))
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break;
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}
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return flag;
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};
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// UPS
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filename = S9xGetFilename(".ups", PATCH_DIR);
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if ((patch_file = OPEN_FSTREAM(filename.c_str(), "rb")) != NULL)
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{
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printf("Using UPS patch %s", filename.c_str());;
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Stream *s = new fStream(patch_file);
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ret = ReadUPSPatch(s, 0, rom_size);
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s->closeStream();
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if (ret)
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{
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printf("!\n");
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return;
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}
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else
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printf(" failed!\n");
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}
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// IPS
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filename = S9xGetFilename(".ips", PATCH_DIR);
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if ((patch_file = OPEN_FSTREAM(filename.c_str(), "rb")) != NULL)
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{
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printf("Using IPS patch %s", filename.c_str());
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Stream *s = new fStream(patch_file);
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ret = ReadIPSPatch(s, offset, rom_size);
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s->closeStream();
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if (ret)
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{
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printf("!\n");
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return;
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}
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else
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printf(" failed!\n");
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}
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i = 0;
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flag = false;
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do
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{
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snprintf(ips, 8, "%03d.ips", i);
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filename = S9xGetFilename(ips, PATCH_DIR);
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if (!(patch_file = OPEN_FSTREAM(filename.c_str(), "rb")))
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break;
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printf("Using IPS patch %s", filename.c_str());
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Stream *s = new fStream(patch_file);
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ret = ReadIPSPatch(s, offset, rom_size);
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s->closeStream();
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if (ret)
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{
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printf("!\n");
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flag = true;
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}
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else
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{
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printf(" failed!\n");
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break;
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}
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} while (i < 1000);
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if (flag)
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return;
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i = 0;
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flag = false;
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do
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{
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snprintf(ips, 8, "ips%d", i);
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filename = S9xGetFilename(ips, PATCH_DIR);
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if (!(patch_file = OPEN_FSTREAM(filename.c_str(), "rb")))
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break;
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printf("Using IPS patch %s", filename.c_str());
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Stream *s = new fStream(patch_file);
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ret = ReadIPSPatch(s, offset, rom_size);
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s->closeStream();
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if (ret)
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{
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printf("!\n");
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flag = true;
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}
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else
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{
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printf(" failed!\n");
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break;
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}
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} while (++i < 1000);
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if (flag)
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return;
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i = 0;
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flag = false;
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do
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{
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snprintf(ips, 4, "ip%d", i);
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filename = S9xGetFilename(ips, PATCH_DIR);
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if (!(patch_file = OPEN_FSTREAM(filename.c_str(), "rb")))
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break;
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printf("Using IPS patch %s", filename.c_str());;
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Stream *s = new fStream(patch_file);
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ret = ReadIPSPatch(s, offset, rom_size);
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s->closeStream();
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if (ret)
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{
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printf("!\n");
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flag = true;
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}
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else
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{
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printf(" failed!\n");
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break;
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}
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} while (++i < 10);
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if (try_patch("BPS", S9xGetFilename(".bps", PATCH_DIR), ReadBPSPatch))
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return;
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if (try_patch("UPS", S9xGetFilename(".ups", PATCH_DIR), ReadUPSPatch))
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return;
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if (try_patch("IPS", S9xGetFilename(".ips", PATCH_DIR), ReadIPSPatch))
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return;
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if (try_ips_sequence("%03d.ips"))
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return;
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if (try_ips_sequence("ips%d"))
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return;
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if (try_ips_sequence("ip%d"))
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return;
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}
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