From: notaz Date: Sun, 28 Jul 2013 22:29:11 +0000 (+0300) Subject: make tabs vs spaces consistent X-Git-Tag: v1.85~26 X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3e9da86efec76685d7fb374003ed0e2d9bc7c5fb;p=picodrive.git make tabs vs spaces consistent --- diff --git a/pico/media.c b/pico/media.c index 98384c98..ef9b315f 100644 --- a/pico/media.c +++ b/pico/media.c @@ -14,180 +14,180 @@ unsigned char media_id_header[0x100]; static void strlwr_(char *string) { - char *p; - for (p = string; *p; p++) - if ('A' <= *p && *p <= 'Z') - *p += 'a' - 'A'; + char *p; + for (p = string; *p; p++) + if ('A' <= *p && *p <= 'Z') + *p += 'a' - 'A'; } static void get_ext(const char *file, char *ext) { - const char *p; + const char *p; - p = file + strlen(file) - 4; - if (p < file) p = file; - strncpy(ext, p, 4); - ext[4] = 0; - strlwr_(ext); + p = file + strlen(file) - 4; + if (p < file) p = file; + strncpy(ext, p, 4); + ext[4] = 0; + strlwr_(ext); } static int detect_media(const char *fname) { - static const short sms_offsets[] = { 0x7ff0, 0x3ff0, 0x1ff0 }; - static const char *sms_exts[] = { "sms", "gg", "sg" }; - static const char *md_exts[] = { "gen", "bin", "smd" }; - char buff0[32], buff[32]; - unsigned short *d16; - pm_file *pmf; - char ext[5]; - int i; - - get_ext(fname, ext); - - // detect wrong extensions - if (!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) // s.gz ~ .mds.gz - return PM_BAD_DETECT; - - /* don't believe in extensions, except .cue */ - if (strcasecmp(ext, ".cue") == 0) - return PM_CD; - - pmf = pm_open(fname); - if (pmf == NULL) - return PM_BAD_DETECT; - - if (pm_read(buff0, 32, pmf) != 32) { - pm_close(pmf); - return PM_BAD_DETECT; - } - - if (strncasecmp("SEGADISCSYSTEM", buff0 + 0x00, 14) == 0 || - strncasecmp("SEGADISCSYSTEM", buff0 + 0x10, 14) == 0) { - pm_close(pmf); - return PM_CD; - } - - /* check for SMD evil */ - if (pmf->size >= 0x4200 && (pmf->size & 0x3fff) == 0x200) { - if (pm_seek(pmf, sms_offsets[0] + 0x200, SEEK_SET) == sms_offsets[0] + 0x200 && - pm_read(buff, 16, pmf) == 16 && - strncmp("TMR SEGA", buff, 8) == 0) - goto looks_like_sms; - - /* could parse further but don't bother */ - goto extension_check; - } - - /* MD header? Act as TMSS BIOS here */ - if (pm_seek(pmf, 0x100, SEEK_SET) == 0x100 && pm_read(buff, 16, pmf) == 16) { - if (strncmp(buff, "SEGA", 4) == 0 || strncmp(buff, " SEG", 4) == 0) - goto looks_like_md; - } - - for (i = 0; i < ARRAY_SIZE(sms_offsets); i++) { - if (pm_seek(pmf, sms_offsets[i], SEEK_SET) != sms_offsets[i]) - continue; - - if (pm_read(buff, 16, pmf) != 16) - continue; - - if (strncmp("TMR SEGA", buff, 8) == 0) - goto looks_like_sms; - } + static const short sms_offsets[] = { 0x7ff0, 0x3ff0, 0x1ff0 }; + static const char *sms_exts[] = { "sms", "gg", "sg" }; + static const char *md_exts[] = { "gen", "bin", "smd" }; + char buff0[32], buff[32]; + unsigned short *d16; + pm_file *pmf; + char ext[5]; + int i; + + get_ext(fname, ext); + + // detect wrong extensions + if (!strcmp(ext, ".srm") || !strcmp(ext, "s.gz") || !strcmp(ext, ".mds")) // s.gz ~ .mds.gz + return PM_BAD_DETECT; + + /* don't believe in extensions, except .cue */ + if (strcasecmp(ext, ".cue") == 0) + return PM_CD; + + pmf = pm_open(fname); + if (pmf == NULL) + return PM_BAD_DETECT; + + if (pm_read(buff0, 32, pmf) != 32) { + pm_close(pmf); + return PM_BAD_DETECT; + } + + if (strncasecmp("SEGADISCSYSTEM", buff0 + 0x00, 14) == 0 || + strncasecmp("SEGADISCSYSTEM", buff0 + 0x10, 14) == 0) { + pm_close(pmf); + return PM_CD; + } + + /* check for SMD evil */ + if (pmf->size >= 0x4200 && (pmf->size & 0x3fff) == 0x200) { + if (pm_seek(pmf, sms_offsets[0] + 0x200, SEEK_SET) == sms_offsets[0] + 0x200 && + pm_read(buff, 16, pmf) == 16 && + strncmp("TMR SEGA", buff, 8) == 0) + goto looks_like_sms; + + /* could parse further but don't bother */ + goto extension_check; + } + + /* MD header? Act as TMSS BIOS here */ + if (pm_seek(pmf, 0x100, SEEK_SET) == 0x100 && pm_read(buff, 16, pmf) == 16) { + if (strncmp(buff, "SEGA", 4) == 0 || strncmp(buff, " SEG", 4) == 0) + goto looks_like_md; + } + + for (i = 0; i < ARRAY_SIZE(sms_offsets); i++) { + if (pm_seek(pmf, sms_offsets[i], SEEK_SET) != sms_offsets[i]) + continue; + + if (pm_read(buff, 16, pmf) != 16) + continue; + + if (strncmp("TMR SEGA", buff, 8) == 0) + goto looks_like_sms; + } extension_check: - /* probably some headerless thing. Maybe check the extension after all. */ - for (i = 0; i < ARRAY_SIZE(md_exts); i++) - if (strcasecmp(pmf->ext, md_exts[i]) == 0) - goto looks_like_md; - - for (i = 0; i < ARRAY_SIZE(sms_exts); i++) - if (strcasecmp(pmf->ext, sms_exts[i]) == 0) - goto looks_like_sms; - - /* If everything else fails, make a guess on the reset vector */ - d16 = (unsigned short *)(buff0 + 4); - if ((((d16[0] << 16) | d16[1]) & 0xffffff) >= pmf->size) { - lprintf("bad MD reset vector, assuming SMS\n"); - goto looks_like_sms; - } + /* probably some headerless thing. Maybe check the extension after all. */ + for (i = 0; i < ARRAY_SIZE(md_exts); i++) + if (strcasecmp(pmf->ext, md_exts[i]) == 0) + goto looks_like_md; + + for (i = 0; i < ARRAY_SIZE(sms_exts); i++) + if (strcasecmp(pmf->ext, sms_exts[i]) == 0) + goto looks_like_sms; + + /* If everything else fails, make a guess on the reset vector */ + d16 = (unsigned short *)(buff0 + 4); + if ((((d16[0] << 16) | d16[1]) & 0xffffff) >= pmf->size) { + lprintf("bad MD reset vector, assuming SMS\n"); + goto looks_like_sms; + } looks_like_md: - pm_close(pmf); - return PM_MD_CART; + pm_close(pmf); + return PM_MD_CART; looks_like_sms: - pm_close(pmf); - return PM_MARK3; + pm_close(pmf); + return PM_MARK3; } /* checks if fname points to valid MegaCD image */ int PicoCdCheck(const char *fname_in, int *pregion) { - const char *fname = fname_in; - unsigned char buf[32]; - pm_file *cd_f; - int region = 4; // 1: Japan, 4: US, 8: Europe - char ext[5]; - cue_track_type type = CT_UNKNOWN; - cue_data_t *cue_data = NULL; - - get_ext(fname_in, ext); - if (strcasecmp(ext, ".cue") == 0) { - cue_data = cue_parse(fname_in); - if (cue_data != NULL) { - fname = cue_data->tracks[1].fname; - type = cue_data->tracks[1].type; - } - else - return -1; - } - - cd_f = pm_open(fname); - if (cue_data != NULL) - cue_destroy(cue_data); - - if (cd_f == NULL) return 0; // let the upper level handle this - - if (pm_read(buf, 32, cd_f) != 32) { - pm_close(cd_f); - return -1; - } - - if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) { - if (type && type != CT_ISO) - elprintf(EL_STATUS, ".cue has wrong type: %i", type); - type = CT_ISO; // Sega CD (ISO) - } - if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) { - if (type && type != CT_BIN) - elprintf(EL_STATUS, ".cue has wrong type: %i", type); - type = CT_BIN; // Sega CD (BIN) - } - - if (type == CT_UNKNOWN) { - pm_close(cd_f); - return 0; - } - - pm_seek(cd_f, (type == CT_ISO) ? 0x100 : 0x110, SEEK_SET); - pm_read(media_id_header, sizeof(media_id_header), cd_f); - - /* it seems we have a CD image here. Try to detect region now.. */ - pm_seek(cd_f, (type == CT_ISO) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET); - pm_read(buf, 1, cd_f); - pm_close(cd_f); - - if (buf[0] == 0x64) region = 8; // EU - if (buf[0] == 0xa1) region = 1; // JAP - - lprintf("detected %s Sega/Mega CD image with %s region\n", - type == CT_BIN ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA"); - - if (pregion != NULL) + const char *fname = fname_in; + unsigned char buf[32]; + pm_file *cd_f; + int region = 4; // 1: Japan, 4: US, 8: Europe + char ext[5]; + cue_track_type type = CT_UNKNOWN; + cue_data_t *cue_data = NULL; + + get_ext(fname_in, ext); + if (strcasecmp(ext, ".cue") == 0) { + cue_data = cue_parse(fname_in); + if (cue_data != NULL) { + fname = cue_data->tracks[1].fname; + type = cue_data->tracks[1].type; + } + else + return -1; + } + + cd_f = pm_open(fname); + if (cue_data != NULL) + cue_destroy(cue_data); + + if (cd_f == NULL) return 0; // let the upper level handle this + + if (pm_read(buf, 32, cd_f) != 32) { + pm_close(cd_f); + return -1; + } + + if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x00, 14)) { + if (type && type != CT_ISO) + elprintf(EL_STATUS, ".cue has wrong type: %i", type); + type = CT_ISO; // Sega CD (ISO) + } + if (!strncasecmp("SEGADISCSYSTEM", (char *)buf+0x10, 14)) { + if (type && type != CT_BIN) + elprintf(EL_STATUS, ".cue has wrong type: %i", type); + type = CT_BIN; // Sega CD (BIN) + } + + if (type == CT_UNKNOWN) { + pm_close(cd_f); + return 0; + } + + pm_seek(cd_f, (type == CT_ISO) ? 0x100 : 0x110, SEEK_SET); + pm_read(media_id_header, sizeof(media_id_header), cd_f); + + /* it seems we have a CD image here. Try to detect region now.. */ + pm_seek(cd_f, (type == CT_ISO) ? 0x100+0x10B : 0x110+0x10B, SEEK_SET); + pm_read(buf, 1, cd_f); + pm_close(cd_f); + + if (buf[0] == 0x64) region = 8; // EU + if (buf[0] == 0xa1) region = 1; // JAP + + lprintf("detected %s Sega/Mega CD image with %s region\n", + type == CT_BIN ? "BIN" : "ISO", region != 4 ? (region == 8 ? "EU" : "JAP") : "USA"); + + if (pregion != NULL) *pregion = region; - return type; + return type; } enum media_type_e PicoLoadMedia(const char *filename, @@ -197,29 +197,29 @@ enum media_type_e PicoLoadMedia(const char *filename, { const char *rom_fname = filename; enum media_type_e media_type; - cd_img_type cd_img_type = CIT_NOT_CD; - unsigned char *rom_data = NULL; - unsigned int rom_size = 0; - pm_file *rom = NULL; + cd_img_type cd_img_type = CIT_NOT_CD; + unsigned char *rom_data = NULL; + unsigned int rom_size = 0; + pm_file *rom = NULL; int cd_region = 0; int ret; - media_type = detect_media(filename); - if (media_type == PM_BAD_DETECT) - goto out; - - if ((PicoAHW & PAHW_MCD) && Pico_mcd != NULL) - Stop_CD(); - PicoCartUnload(); - PicoAHW = 0; - - if (media_type == PM_CD) - { - // check for MegaCD image - cd_img_type = PicoCdCheck(filename, &cd_region); - if (cd_img_type >= 0 && cd_img_type != CIT_NOT_CD) - { - // valid CD image, ask frontend for BIOS.. + media_type = detect_media(filename); + if (media_type == PM_BAD_DETECT) + goto out; + + if ((PicoAHW & PAHW_MCD) && Pico_mcd != NULL) + Stop_CD(); + PicoCartUnload(); + PicoAHW = 0; + + if (media_type == PM_CD) + { + // check for MegaCD image + cd_img_type = PicoCdCheck(filename, &cd_region); + if (cd_img_type >= 0 && cd_img_type != CIT_NOT_CD) + { + // valid CD image, ask frontend for BIOS.. rom_fname = NULL; if (get_bios_filename != NULL) rom_fname = get_bios_filename(&cd_region, filename); @@ -228,77 +228,77 @@ enum media_type_e PicoLoadMedia(const char *filename, goto out; } - PicoAHW |= PAHW_MCD; - } - else { + PicoAHW |= PAHW_MCD; + } + else { media_type = PM_BAD_CD; goto out; - } - } - else if (media_type == PM_MARK3) { - lprintf("detected SMS ROM\n"); - PicoAHW = PAHW_SMS; - } - - rom = pm_open(rom_fname); - if (rom == NULL) { - lprintf("Failed to open ROM"); + } + } + else if (media_type == PM_MARK3) { + lprintf("detected SMS ROM\n"); + PicoAHW = PAHW_SMS; + } + + rom = pm_open(rom_fname); + if (rom == NULL) { + lprintf("Failed to open ROM"); media_type = PM_ERROR; - goto out; - } - - ret = PicoCartLoad(rom, &rom_data, &rom_size, (PicoAHW & PAHW_SMS) ? 1 : 0); - pm_close(rom); - if (ret != 0) { - if (ret == 2) lprintf("Out of memory"); - else if (ret == 3) lprintf("Read failed"); - else lprintf("PicoCartLoad() failed."); + goto out; + } + + ret = PicoCartLoad(rom, &rom_data, &rom_size, (PicoAHW & PAHW_SMS) ? 1 : 0); + pm_close(rom); + if (ret != 0) { + if (ret == 2) lprintf("Out of memory"); + else if (ret == 3) lprintf("Read failed"); + else lprintf("PicoCartLoad() failed."); media_type = PM_ERROR; - goto out; - } + goto out; + } - // detect wrong files - if (strncmp((char *)rom_data, "Pico", 4) == 0) { + // detect wrong files + if (strncmp((char *)rom_data, "Pico", 4) == 0) { lprintf("savestate selected?\n"); media_type = PM_BAD_DETECT; - goto out; + goto out; } - if (!(PicoAHW & PAHW_SMS)) { - unsigned short *d = (unsigned short *)(rom_data + 4); - if ((((d[0] << 16) | d[1]) & 0xffffff) >= (int)rom_size) { - lprintf("bad reset vector\n"); + if (!(PicoAHW & PAHW_SMS)) { + unsigned short *d = (unsigned short *)(rom_data + 4); + if ((((d[0] << 16) | d[1]) & 0xffffff) >= (int)rom_size) { + lprintf("bad reset vector\n"); media_type = PM_BAD_DETECT; goto out; - } - } + } + } - // load config for this ROM (do this before insert to get correct region) - if (!(PicoAHW & PAHW_MCD)) { - memcpy(media_id_header, rom_data + 0x100, sizeof(media_id_header)); + // load config for this ROM (do this before insert to get correct region) + if (!(PicoAHW & PAHW_MCD)) { + memcpy(media_id_header, rom_data + 0x100, sizeof(media_id_header)); if (do_region_override != NULL) do_region_override(filename); } - if (PicoCartInsert(rom_data, rom_size, carthw_cfg_fname)) { + if (PicoCartInsert(rom_data, rom_size, carthw_cfg_fname)) { media_type = PM_ERROR; - goto out; - } + goto out; + } rom_data = NULL; // now belongs to PicoCart - // insert CD if it was detected - if (cd_img_type != CIT_NOT_CD) { - ret = Insert_CD(filename, cd_img_type); - if (ret != 0) { - PicoCartUnload(); + // insert CD if it was detected + if (cd_img_type != CIT_NOT_CD) { + ret = Insert_CD(filename, cd_img_type); + if (ret != 0) { + PicoCartUnload(); media_type = PM_BAD_CD; - goto out; - } - } + goto out; + } + } out: - if (rom_data) - free(rom_data); + if (rom_data) + free(rom_data); return media_type; }