--- /dev/null
+/*
+ * Human-readable config file management for PicoDrive
+ * (C) notaz, 2008-2010
+ *
+ * This work is licensed under the terms of MAME license.
+ * See COPYING file in the top-level directory.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#ifdef __EPOC32__
+#include <unistd.h>
+#endif
+
+#include "../libpicofe/input.h"
+#include "../libpicofe/plat.h"
+#include "../libpicofe/lprintf.h"
+#include "config_file.h"
+
+static char *mystrip(char *str);
+
+#ifndef _MSC_VER
+
+#include "menu_pico.h"
+#include "emu.h"
+#include <pico/pico.h>
+
+// always output DOS endlines
+#ifdef _WIN32
+#define NL "\n"
+#else
+#define NL "\r\n"
+#endif
+
+static int seek_sect(FILE *f, const char *section)
+{
+ char line[128], *tmp;
+ int len;
+
+ len = strlen(section);
+ // seek to the section needed
+ while (!feof(f))
+ {
+ tmp = fgets(line, sizeof(line), f);
+ if (tmp == NULL) break;
+
+ if (line[0] != '[') continue; // not section start
+ if (strncmp(line + 1, section, len) == 0 && line[len+1] == ']')
+ return 1; // found it
+ }
+
+ return 0;
+}
+
+
+static void keys_write(FILE *fn, const char *bind_str, int dev_id, const int *binds, int no_defaults)
+{
+ char act[48];
+ int key_count = 0, k, i;
+ const int *def_binds;
+
+ in_get_config(dev_id, IN_CFG_BIND_COUNT, &key_count);
+ def_binds = in_get_dev_def_binds(dev_id);
+
+ for (k = 0; k < key_count; k++)
+ {
+ const char *name;
+ int t, mask;
+ act[0] = act[31] = 0;
+
+ for (t = 0; t < IN_BINDTYPE_COUNT; t++)
+ if (binds[IN_BIND_OFFS(k, t)] != def_binds[IN_BIND_OFFS(k, t)])
+ break;
+
+ if (no_defaults && t == IN_BINDTYPE_COUNT)
+ continue; /* no change from defaults */
+
+ name = in_get_key_name(dev_id, k);
+
+ for (t = 0; t < IN_BINDTYPE_COUNT; t++)
+ if (binds[IN_BIND_OFFS(k, t)] != 0 || def_binds[IN_BIND_OFFS(k, t)] == 0)
+ break;
+
+ if (t == IN_BINDTYPE_COUNT) {
+ /* key has default bind removed */
+ fprintf(fn, "%s %s =" NL, bind_str, name);
+ continue;
+ }
+
+ for (i = 0; me_ctrl_actions[i].name != NULL; i++) {
+ mask = me_ctrl_actions[i].mask;
+ if (mask & binds[IN_BIND_OFFS(k, IN_BINDTYPE_PLAYER12)]) {
+ strncpy(act, me_ctrl_actions[i].name, 31);
+ fprintf(fn, "%s %s = player1 %s" NL, bind_str, name, mystrip(act));
+ }
+ mask = me_ctrl_actions[i].mask << 16;
+ if (mask & binds[IN_BIND_OFFS(k, IN_BINDTYPE_PLAYER12)]) {
+ strncpy(act, me_ctrl_actions[i].name, 31);
+ fprintf(fn, "%s %s = player2 %s" NL, bind_str, name, mystrip(act));
+ }
+ }
+
+ for (i = 0; emuctrl_actions[i].name != NULL; i++) {
+ mask = emuctrl_actions[i].mask;
+ if (mask & binds[IN_BIND_OFFS(k, IN_BINDTYPE_EMU)]) {
+ strncpy(act, emuctrl_actions[i].name, 31);
+ fprintf(fn, "%s %s = %s" NL, bind_str, name, mystrip(act));
+ }
+ }
+ }
+}
+
+/* XXX: this should go to menu structures instead */
+static int default_var(const menu_entry *me)
+{
+ switch (me->id)
+ {
+ case MA_OPT2_ENABLE_YM2612:
+ case MA_OPT2_ENABLE_SN76496:
+ case MA_OPT2_ENABLE_Z80:
+ case MA_OPT_6BUTTON_PAD:
+ case MA_OPT_ACC_SPRITES:
+ case MA_OPT_ARM940_SOUND:
+ case MA_CDOPT_PCM:
+ case MA_CDOPT_CDDA:
+ case MA_CDOPT_SCALEROT_CHIP:
+ case MA_CDOPT_BETTER_SYNC:
+ case MA_CDOPT_SAVERAM:
+ case MA_32XOPT_ENABLE_32X:
+ case MA_32XOPT_PWM:
+ case MA_OPT2_SVP_DYNAREC:
+ case MA_OPT2_NO_SPRITE_LIM:
+ case MA_OPT2_NO_IDLE_LOOPS:
+ return defaultConfig.s_PicoOpt;
+
+ case MA_OPT_SRAM_STATES:
+ case MA_OPT_SHOW_FPS:
+ case MA_OPT_ENABLE_SOUND:
+ case MA_OPT2_GZIP_STATES:
+ case MA_OPT2_SQUIDGEHACK:
+ case MA_OPT2_NO_LAST_ROM:
+ case MA_OPT2_RAMTIMINGS:
+ case MA_CDOPT_LEDS:
+ case MA_OPT2_A_SN_GAMMA:
+ case MA_OPT2_VSYNC:
+ case MA_OPT_INTERLACED:
+ case MA_OPT2_DBLBUFF:
+ case MA_OPT2_STATUS_LINE:
+ case MA_OPT2_NO_FRAME_LIMIT:
+ case MA_OPT_TEARING_FIX:
+ return defaultConfig.EmuOpt;
+
+ case MA_CTRL_TURBO_RATE: return defaultConfig.turbo_rate;
+ case MA_OPT_SCALING: return defaultConfig.scaling;
+ case MA_OPT_ROTATION: return defaultConfig.rotation;
+ case MA_OPT2_GAMMA: return defaultConfig.gamma;
+ case MA_OPT_FRAMESKIP: return defaultConfig.Frameskip;
+ case MA_OPT_CONFIRM_STATES: return defaultConfig.confirm_save;
+ case MA_OPT_CPU_CLOCKS: return defaultConfig.CPUclock;
+ case MA_OPT_RENDERER: return defaultConfig.renderer;
+ case MA_32XOPT_RENDERER: return defaultConfig.renderer32x;
+
+ case MA_OPT_SAVE_SLOT:
+ return 0;
+
+ default:
+ lprintf("missing default for %d\n", me->id);
+ return 0;
+ }
+}
+
+static int is_cust_val_default(const menu_entry *me)
+{
+ switch (me->id)
+ {
+ case MA_OPT_REGION:
+ return defaultConfig.s_PicoRegion == PicoRegionOverride &&
+ defaultConfig.s_PicoAutoRgnOrder == PicoAutoRgnOrder;
+ case MA_OPT_SOUND_QUALITY:
+ return defaultConfig.s_PsndRate == PsndRate &&
+ ((defaultConfig.s_PicoOpt ^ PicoOpt) & POPT_EN_STEREO) == 0;
+ case MA_CDOPT_READAHEAD:
+ return defaultConfig.s_PicoCDBuffers == PicoCDBuffers;
+ case MA_32XOPT_MSH2_CYCLES:
+ return p32x_msh2_multiplier == MSH2_MULTI_DEFAULT;
+ case MA_32XOPT_SSH2_CYCLES:
+ return p32x_ssh2_multiplier == SSH2_MULTI_DEFAULT;
+ default:break;
+ }
+
+ lprintf("is_cust_val_default: unhandled id %i\n", me->id);
+ return 0;
+}
+
+int config_writesect(const char *fname, const char *section)
+{
+ FILE *fo = NULL, *fn = NULL; // old and new
+ int no_defaults = 0; // avoid saving defaults
+ menu_entry *me;
+ int t, tlen, ret;
+ char line[128], *tmp;
+
+ if (section != NULL)
+ {
+ no_defaults = 1;
+
+ fo = fopen(fname, "r");
+ if (fo == NULL) {
+ fn = fopen(fname, "w");
+ goto write;
+ }
+
+ ret = seek_sect(fo, section);
+ if (!ret) {
+ // sect not found, we can simply append
+ fclose(fo); fo = NULL;
+ fn = fopen(fname, "a");
+ goto write;
+ }
+
+ // use 2 files..
+ fclose(fo);
+ rename(fname, "tmp.cfg");
+ fo = fopen("tmp.cfg", "r");
+ fn = fopen(fname, "w");
+ if (fo == NULL || fn == NULL) goto write;
+
+ // copy everything until sect
+ tlen = strlen(section);
+ while (!feof(fo))
+ {
+ tmp = fgets(line, sizeof(line), fo);
+ if (tmp == NULL) break;
+
+ if (line[0] == '[' && strncmp(line + 1, section, tlen) == 0 && line[tlen+1] == ']')
+ break;
+ fputs(line, fn);
+ }
+
+ // now skip to next sect
+ while (!feof(fo))
+ {
+ tmp = fgets(line, sizeof(line), fo);
+ if (tmp == NULL) break;
+ if (line[0] == '[') {
+ fseek(fo, -strlen(line), SEEK_CUR);
+ break;
+ }
+ }
+ if (feof(fo))
+ {
+ fclose(fo); fo = NULL;
+ remove("tmp.cfg");
+ }
+ }
+ else
+ {
+ fn = fopen(fname, "w");
+ }
+
+write:
+ if (fn == NULL) {
+ if (fo) fclose(fo);
+ return -1;
+ }
+ if (section != NULL)
+ fprintf(fn, "[%s]" NL, section);
+
+ for (me = me_list_get_first(); me != NULL; me = me_list_get_next())
+ {
+ int dummy;
+ if (!me->need_to_save)
+ continue;
+ if (me->name == NULL || me->name[0] == 0)
+ continue;
+
+ if (me->beh == MB_OPT_ONOFF || me->beh == MB_OPT_CUSTONOFF) {
+ if (!no_defaults || ((*(int *)me->var ^ default_var(me)) & me->mask))
+ fprintf(fn, "%s = %i" NL, me->name, (*(int *)me->var & me->mask) ? 1 : 0);
+ }
+ else if (me->beh == MB_OPT_RANGE || me->beh == MB_OPT_CUSTRANGE) {
+ if (!no_defaults || (*(int *)me->var ^ default_var(me)))
+ fprintf(fn, "%s = %i" NL, me->name, *(int *)me->var);
+ }
+ else if (me->beh == MB_OPT_ENUM && me->data != NULL) {
+ const char **names = (const char **)me->data;
+ for (t = 0; names[t] != NULL; t++)
+ if (*(int *)me->var == t && (!no_defaults || (*(int *)me->var ^ default_var(me)))) {
+ strncpy(line, names[t], sizeof(line));
+ goto write_line;
+ }
+ }
+ else if (me->generate_name != NULL) {
+ if (!no_defaults || !is_cust_val_default(me)) {
+ strncpy(line, me->generate_name(0, &dummy), sizeof(line));
+ goto write_line;
+ }
+ }
+ else
+ lprintf("config: unhandled write: %i\n", me->id);
+ continue;
+
+write_line:
+ line[sizeof(line) - 1] = 0;
+ mystrip(line);
+ fprintf(fn, "%s = %s" NL, me->name, line);
+ }
+
+ /* input: save device names */
+ for (t = 0; t < IN_MAX_DEVS; t++)
+ {
+ const int *binds = in_get_dev_binds(t);
+ const char *name = in_get_dev_name(t, 0, 0);
+ if (binds == NULL || name == NULL)
+ continue;
+
+ fprintf(fn, "input%d = %s" NL, t, name);
+ }
+
+ /* input: save binds */
+ for (t = 0; t < IN_MAX_DEVS; t++)
+ {
+ const int *binds = in_get_dev_binds(t);
+ const char *name = in_get_dev_name(t, 0, 0);
+ char strbind[16];
+ int count = 0;
+
+ if (binds == NULL || name == NULL)
+ continue;
+
+ sprintf(strbind, "bind%d", t);
+ if (t == 0) strbind[4] = 0;
+
+ in_get_config(t, IN_CFG_BIND_COUNT, &count);
+ keys_write(fn, strbind, t, binds, no_defaults);
+ }
+
+#ifndef PSP
+ if (section == NULL)
+ fprintf(fn, "Sound Volume = %i" NL, currentConfig.volume);
+#endif
+
+ fprintf(fn, NL);
+
+ if (fo != NULL)
+ {
+ // copy whatever is left
+ while (!feof(fo))
+ {
+ tmp = fgets(line, sizeof(line), fo);
+ if (tmp == NULL) break;
+
+ fputs(line, fn);
+ }
+ fclose(fo);
+ remove("tmp.cfg");
+ }
+
+ fclose(fn);
+ return 0;
+}
+
+
+int config_writelrom(const char *fname)
+{
+ char line[128], *tmp, *optr = NULL;
+ char *old_data = NULL;
+ int size;
+ FILE *f;
+
+ if (strlen(rom_fname_loaded) == 0) return -1;
+
+ f = fopen(fname, "r");
+ if (f != NULL)
+ {
+ fseek(f, 0, SEEK_END);
+ size = ftell(f);
+ fseek(f, 0, SEEK_SET);
+ old_data = malloc(size + size/8);
+ if (old_data != NULL)
+ {
+ optr = old_data;
+ while (!feof(f))
+ {
+ tmp = fgets(line, sizeof(line), f);
+ if (tmp == NULL) break;
+ mystrip(line);
+ if (strncasecmp(line, "LastUsedROM", 11) == 0)
+ continue;
+ sprintf(optr, "%s", line);
+ optr += strlen(optr);
+ }
+ }
+ fclose(f);
+ }
+
+ f = fopen(fname, "w");
+ if (f == NULL) return -1;
+
+ if (old_data != NULL) {
+ fwrite(old_data, 1, optr - old_data, f);
+ free(old_data);
+ }
+ fprintf(f, "LastUsedROM = %s" NL, rom_fname_loaded);
+ fclose(f);
+ return 0;
+}
+
+/* --------------------------------------------------------------------------*/
+
+int config_readlrom(const char *fname)
+{
+ char line[128], *tmp;
+ int i, len, ret = -1;
+ FILE *f;
+
+ f = fopen(fname, "r");
+ if (f == NULL) return -1;
+
+ // seek to the section needed
+ while (!feof(f))
+ {
+ tmp = fgets(line, sizeof(line), f);
+ if (tmp == NULL) break;
+
+ if (strncasecmp(line, "LastUsedROM", 11) != 0) continue;
+ len = strlen(line);
+ for (i = 0; i < len; i++)
+ if (line[i] == '#' || line[i] == '\r' || line[i] == '\n') { line[i] = 0; break; }
+ tmp = strchr(line, '=');
+ if (tmp == NULL) break;
+ tmp++;
+ mystrip(tmp);
+
+ len = sizeof(rom_fname_loaded);
+ strncpy(rom_fname_loaded, tmp, len);
+ rom_fname_loaded[len-1] = 0;
+ ret = 0;
+ break;
+ }
+ fclose(f);
+ return ret;
+}
+
+
+static int custom_read(menu_entry *me, const char *var, const char *val)
+{
+ char *tmp;
+
+ switch (me->id)
+ {
+ case MA_OPT_FRAMESKIP:
+ if (strcasecmp(var, "Frameskip") != 0) return 0;
+ if (strcasecmp(val, "Auto") == 0)
+ currentConfig.Frameskip = -1;
+ else currentConfig.Frameskip = atoi(val);
+ return 1;
+
+ case MA_OPT_SOUND_QUALITY:
+ if (strcasecmp(var, "Sound Quality") != 0) return 0;
+ PsndRate = strtoul(val, &tmp, 10);
+ if (PsndRate < 8000 || PsndRate > 44100)
+ PsndRate = 22050;
+ if (*tmp == 'H' || *tmp == 'h') tmp++;
+ if (*tmp == 'Z' || *tmp == 'z') tmp++;
+ while (*tmp == ' ') tmp++;
+ if (strcasecmp(tmp, "stereo") == 0) {
+ PicoOpt |= POPT_EN_STEREO;
+ } else if (strcasecmp(tmp, "mono") == 0) {
+ PicoOpt &= ~POPT_EN_STEREO;
+ } else
+ return 0;
+ return 1;
+
+ case MA_OPT_REGION:
+ if (strcasecmp(var, "Region") != 0) return 0;
+ if (strncasecmp(val, "Auto: ", 6) == 0)
+ {
+ const char *p = val + 5, *end = val + strlen(val);
+ int i;
+ PicoRegionOverride = PicoAutoRgnOrder = 0;
+ for (i = 0; p < end && i < 3; i++)
+ {
+ while (*p == ' ') p++;
+ if (p[0] == 'J' && p[1] == 'P') {
+ PicoAutoRgnOrder |= 1 << (i*4);
+ } else if (p[0] == 'U' && p[1] == 'S') {
+ PicoAutoRgnOrder |= 4 << (i*4);
+ } else if (p[0] == 'E' && p[1] == 'U') {
+ PicoAutoRgnOrder |= 8 << (i*4);
+ }
+ while (*p != ' ' && *p != 0) p++;
+ if (*p == 0) break;
+ }
+ }
+ else if (strcasecmp(val, "Auto") == 0) {
+ PicoRegionOverride = 0;
+ } else if (strcasecmp(val, "Japan NTSC") == 0) {
+ PicoRegionOverride = 1;
+ } else if (strcasecmp(val, "Japan PAL") == 0) {
+ PicoRegionOverride = 2;
+ } else if (strcasecmp(val, "USA") == 0) {
+ PicoRegionOverride = 4;
+ } else if (strcasecmp(val, "Europe") == 0) {
+ PicoRegionOverride = 8;
+ } else
+ return 0;
+ return 1;
+
+ case MA_OPT2_GAMMA:
+ if (strcasecmp(var, "Gamma correction") != 0) return 0;
+ currentConfig.gamma = (int) (atof(val) * 100.0);
+ return 1;
+
+ case MA_CDOPT_READAHEAD:
+ if (strcasecmp(var, "ReadAhead buffer") != 0) return 0;
+ PicoCDBuffers = atoi(val) / 2;
+ return 1;
+
+ case MA_32XOPT_MSH2_CYCLES:
+ case MA_32XOPT_SSH2_CYCLES: {
+ int *mul = (me->id == MA_32XOPT_MSH2_CYCLES) ? &p32x_msh2_multiplier : &p32x_ssh2_multiplier;
+ *mul = ((unsigned int)atoi(val) << SH2_MULTI_SHIFT) / 7670;
+ return 1;
+ }
+
+ /* PSP */
+ case MA_OPT3_SCALE:
+ if (strcasecmp(var, "Scale factor") != 0) return 0;
+ currentConfig.scale = atof(val);
+ return 1;
+ case MA_OPT3_HSCALE32:
+ if (strcasecmp(var, "Hor. scale (for low res. games)") != 0) return 0;
+ currentConfig.hscale32 = atof(val);
+ return 1;
+ case MA_OPT3_HSCALE40:
+ if (strcasecmp(var, "Hor. scale (for hi res. games)") != 0) return 0;
+ currentConfig.hscale40 = atof(val);
+ return 1;
+ case MA_OPT3_VSYNC:
+ // XXX: use enum
+ if (strcasecmp(var, "Wait for vsync") != 0) return 0;
+ if (strcasecmp(val, "never") == 0) {
+ currentConfig.EmuOpt &= ~0x12000;
+ } else if (strcasecmp(val, "sometimes") == 0) {
+ currentConfig.EmuOpt |= 0x12000;
+ } else if (strcasecmp(val, "always") == 0) {
+ currentConfig.EmuOpt &= ~0x12000;
+ currentConfig.EmuOpt |= 0x02000;
+ } else
+ return 0;
+ return 1;
+
+ default:
+ lprintf("unhandled custom_read %i: %s\n", me->id, var);
+ return 0;
+ }
+}
+
+
+static unsigned int keys_encountered = 0;
+
+static int parse_bind_val(const char *val, int *type)
+{
+ int i;
+
+ *type = IN_BINDTYPE_NONE;
+ if (val[0] == 0)
+ return 0;
+
+ if (strncasecmp(val, "player", 6) == 0)
+ {
+ int player, shift = 0;
+ player = atoi(val + 6) - 1;
+
+ if (player > 1)
+ return -1;
+ if (player == 1)
+ shift = 16;
+
+ *type = IN_BINDTYPE_PLAYER12;
+ for (i = 0; me_ctrl_actions[i].name != NULL; i++) {
+ if (strncasecmp(me_ctrl_actions[i].name, val + 8, strlen(val + 8)) == 0)
+ return me_ctrl_actions[i].mask << shift;
+ }
+ }
+ for (i = 0; emuctrl_actions[i].name != NULL; i++) {
+ if (strncasecmp(emuctrl_actions[i].name, val, strlen(val)) == 0) {
+ *type = IN_BINDTYPE_EMU;
+ return emuctrl_actions[i].mask;
+ }
+ }
+
+ return -1;
+}
+
+static void keys_parse(const char *key, const char *val, int dev_id)
+{
+ int acts, type;
+
+ acts = parse_bind_val(val, &type);
+ if (acts == -1) {
+ lprintf("config: unhandled action \"%s\"\n", val);
+ return;
+ }
+
+ in_config_bind_key(dev_id, key, acts, type);
+}
+
+static int get_numvar_num(const char *var)
+{
+ char *p = NULL;
+ int num;
+
+ if (var[0] == ' ')
+ return 0;
+
+ num = strtoul(var, &p, 10);
+ if (*p == 0 || *p == ' ')
+ return num;
+
+ return -1;
+}
+
+/* map dev number in confing to input dev number */
+static unsigned char input_dev_map[IN_MAX_DEVS];
+
+static void parse(const char *var, const char *val)
+{
+ menu_entry *me;
+ int tmp;
+
+ if (strcasecmp(var, "LastUsedROM") == 0)
+ return; /* handled elsewhere */
+
+ if (strcasecmp(var, "Sound Volume") == 0) {
+ currentConfig.volume = atoi(val);
+ return;
+ }
+
+ /* input: device name */
+ if (strncasecmp(var, "input", 5) == 0) {
+ int num = get_numvar_num(var + 5);
+ if (num >= 0 && num < IN_MAX_DEVS)
+ input_dev_map[num] = in_config_parse_dev(val);
+ else
+ lprintf("config: failed to parse: %s\n", var);
+ return;
+ }
+
+ // key binds
+ if (strncasecmp(var, "bind", 4) == 0) {
+ const char *p = var + 4;
+ int num = get_numvar_num(p);
+ if (num < 0 || num >= IN_MAX_DEVS) {
+ lprintf("config: failed to parse: %s\n", var);
+ return;
+ }
+
+ num = input_dev_map[num];
+ if (num < 0 || num >= IN_MAX_DEVS) {
+ lprintf("config: invalid device id: %s\n", var);
+ return;
+ }
+
+ while (*p && *p != ' ') p++;
+ while (*p && *p == ' ') p++;
+ keys_parse(p, val, num);
+ return;
+ }
+
+ for (me = me_list_get_first(); me != NULL; me = me_list_get_next())
+ {
+ char *p;
+
+ if (!me->need_to_save)
+ continue;
+ if (me->name == NULL || strcasecmp(var, me->name) != 0)
+ continue;
+
+ if (me->beh == MB_OPT_ONOFF) {
+ tmp = strtol(val, &p, 0);
+ if (*p != 0)
+ goto bad_val;
+ if (tmp) *(int *)me->var |= me->mask;
+ else *(int *)me->var &= ~me->mask;
+ return;
+ }
+ else if (me->beh == MB_OPT_RANGE) {
+ tmp = strtol(val, &p, 0);
+ if (*p != 0)
+ goto bad_val;
+ if (tmp < me->min) tmp = me->min;
+ if (tmp > me->max) tmp = me->max;
+ *(int *)me->var = tmp;
+ return;
+ }
+ else if (me->beh == MB_OPT_ENUM) {
+ const char **names, *p1;
+ int i;
+
+ names = (const char **)me->data;
+ if (names == NULL)
+ goto bad_val;
+ for (i = 0; names[i] != NULL; i++) {
+ for (p1 = names[i]; *p1 == ' '; p1++)
+ ;
+ if (strcasecmp(p1, val) == 0) {
+ *(int *)me->var = i;
+ return;
+ }
+ }
+ goto bad_val;
+ }
+ else if (custom_read(me, var, val))
+ return;
+ }
+
+ lprintf("config_readsect: unhandled var: \"%s\"\n", var);
+ return;
+
+bad_val:
+ lprintf("config_readsect: unhandled val for \"%s\": %s\n", var, val);
+}
+
+
+int config_havesect(const char *fname, const char *section)
+{
+ FILE *f;
+ int ret;
+
+ f = fopen(fname, "r");
+ if (f == NULL) return 0;
+
+ ret = seek_sect(f, section);
+ fclose(f);
+ return ret;
+}
+
+int config_readsect(const char *fname, const char *section)
+{
+ char line[128], *var, *val;
+ FILE *f;
+ int ret;
+
+ f = fopen(fname, "r");
+ if (f == NULL) return -1;
+
+ if (section != NULL)
+ {
+ ret = seek_sect(f, section);
+ if (!ret) {
+ lprintf("config_readsect: %s: missing section [%s]\n", fname, section);
+ fclose(f);
+ return -1;
+ }
+ }
+
+ keys_encountered = 0;
+ memset(input_dev_map, 0xff, sizeof(input_dev_map));
+
+ while (!feof(f))
+ {
+ ret = config_get_var_val(f, line, sizeof(line), &var, &val);
+ if (ret == 0) break;
+ if (ret == -1) continue;
+
+ parse(var, val);
+ }
+
+ fclose(f);
+ return 0;
+}
+
+#endif // _MSC_VER
+
+static char *mystrip(char *str)
+{
+ int i, len;
+
+ len = strlen(str);
+ for (i = 0; i < len; i++)
+ if (str[i] != ' ') break;
+ if (i > 0) memmove(str, str + i, len - i + 1);
+
+ len = strlen(str);
+ for (i = len - 1; i >= 0; i--)
+ if (str[i] != ' ') break;
+ str[i+1] = 0;
+
+ return str;
+}
+
+/* returns:
+ * 0 - EOF, end
+ * 1 - parsed ok
+ * -1 - failed to parse line
+ */
+int config_get_var_val(void *file, char *line, int lsize, char **rvar, char **rval)
+{
+ char *var, *val, *tmp;
+ FILE *f = file;
+ int len, i;
+
+ tmp = fgets(line, lsize, f);
+ if (tmp == NULL) return 0;
+
+ if (line[0] == '[') return 0; // other section
+
+ // strip comments, linefeed, spaces..
+ len = strlen(line);
+ for (i = 0; i < len; i++)
+ if (line[i] == '#' || line[i] == '\r' || line[i] == '\n') { line[i] = 0; break; }
+ mystrip(line);
+ len = strlen(line);
+ if (len <= 0) return -1;;
+
+ // get var and val
+ for (i = 0; i < len; i++)
+ if (line[i] == '=') break;
+ if (i >= len || strchr(&line[i+1], '=') != NULL) {
+ lprintf("config_readsect: can't parse: %s\n", line);
+ return -1;
+ }
+ line[i] = 0;
+ var = line;
+ val = &line[i+1];
+ mystrip(var);
+ mystrip(val);
+
+#ifndef _MSC_VER
+ if (strlen(var) == 0 || (strlen(val) == 0 && strncasecmp(var, "bind", 4) != 0)) {
+ lprintf("config_readsect: something's empty: \"%s\" = \"%s\"\n", var, val);
+ return -1;;
+ }
+#endif
+
+ *rvar = var;
+ *rval = val;
+ return 1;
+}
+
notaz.gp2x.de / picodrive.git / blobdiff