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picodrive/platform/common/config.c
notaz 823b9004c4 the old-new win32 port 
git-svn-id: file:///home/notaz/opt/svn/PicoDrive@804 be3aeb3a-fb24-0410-a615-afba39da0efa
2009-10-05 16:12:45 +00:00

904 lines
21 KiB
C
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/*
* Human-readable config file management for PicoDrive
* (c) notaz, 2008
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#ifdef __EPOC32__
#include <unistd.h>
#endif
#include "config.h"
#include "input.h"
#include "lprintf.h"
static char *mystrip(char *str);
#ifndef _MSC_VER
#include "menu.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 custom_write(FILE *f, const menu_entry *me, int no_def)
{
char str24[24];
switch (me->id)
{
/* TODO: this should be rm'd when PSP menu is converted */
case MA_OPT3_SCALE:
if (no_def && defaultConfig.scale == currentConfig.scale) return;
fprintf(f, "Scale factor = %.2f", currentConfig.scale);
break;
case MA_OPT3_HSCALE32:
if (no_def && defaultConfig.hscale32 == currentConfig.hscale32) return;
fprintf(f, "Hor. scale (for low res. games) = %.2f", currentConfig.hscale32);
break;
case MA_OPT3_HSCALE40:
if (no_def && defaultConfig.hscale40 == currentConfig.hscale40) return;
fprintf(f, "Hor. scale (for hi res. games) = %.2f", currentConfig.hscale40);
break;
case MA_OPT3_FILTERING:
if (no_def && defaultConfig.scaling == currentConfig.scaling) return;
fprintf(f, "Bilinear filtering = %i", currentConfig.scaling);
break;
case MA_OPT3_GAMMAA:
if (no_def && defaultConfig.gamma == currentConfig.gamma) return;
fprintf(f, "Gamma adjustment = %i", currentConfig.gamma);
break;
case MA_OPT3_BLACKLVL:
if (no_def && defaultConfig.gamma2 == currentConfig.gamma2) return;
fprintf(f, "Black level = %i", currentConfig.gamma2);
break;
case MA_OPT3_VSYNC:
if (no_def && (defaultConfig.EmuOpt&0x12000) == (currentConfig.gamma2&0x12000)) return;
strcpy(str24, "never");
if (currentConfig.EmuOpt & 0x2000)
strcpy(str24, (currentConfig.EmuOpt & 0x10000) ? "sometimes" : "always");
fprintf(f, "Wait for vsync = %s", str24);
break;
default:
lprintf("unhandled custom_write: %i\n", me->id);
return;
}
fprintf(f, NL);
}
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, k, i;
const int *def_binds;
key_count = in_get_dev_info(dev_id, IN_INFO_BIND_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; i < sizeof(me_ctrl_actions) / sizeof(me_ctrl_actions[0]); 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_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_CPU_CLOCKS: return defaultConfig.CPUclock;
case MA_OPT_SAVE_SLOT:
default:
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_OPT_CONFIRM_STATES:
return !((defaultConfig.EmuOpt ^ currentConfig.EmuOpt) &
(EOPT_CONFIRM_LOAD|EOPT_CONFIRM_SAVE)) == 0;
case MA_OPT_RENDERER:
return ((defaultConfig.s_PicoOpt ^ PicoOpt) & POPT_ALT_RENDERER) == 0 &&
((defaultConfig.EmuOpt ^ currentConfig.EmuOpt) & EOPT_16BPP) == 0;
case MA_CDOPT_READAHEAD:
return defaultConfig.s_PicoCDBuffers == PicoCDBuffers;
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);
me = me_list_get_first();
while (me != NULL)
{
int dummy;
if (!me->need_to_save)
goto next;
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->name != NULL && me->generate_name != NULL) {
if (!no_defaults || !is_cust_val_default(me)) {
strncpy(line, me->generate_name(0, &dummy), sizeof(line));
line[sizeof(line) - 1] = 0;
mystrip(line);
fprintf(fn, "%s = %s" NL, me->name, line);
}
} else
custom_write(fn, me, no_defaults);
next:
me = me_list_get_next();
}
/* 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;
if (binds == NULL || name == NULL)
continue;
sprintf(strbind, "bind%d", t);
if (t == 0) strbind[4] = 0;
count = in_get_dev_info(t, IN_INFO_BIND_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;
int tmpi;
switch (me->id)
{
case MA_OPT_RENDERER:
if (strcasecmp(var, "Renderer") != 0) return 0;
if (strcasecmp(val, "8bit fast") == 0 || strcasecmp(val, "fast") == 0) {
PicoOpt |= POPT_ALT_RENDERER;
}
else if (strcasecmp(val, "16bit accurate") == 0 || strcasecmp(val, "accurate") == 0) {
PicoOpt &= ~POPT_ALT_RENDERER;
currentConfig.EmuOpt |= 0x80;
}
else if (strcasecmp(val, "8bit accurate") == 0) {
PicoOpt &= ~POPT_ALT_RENDERER;
currentConfig.EmuOpt &= ~0x80;
}
else
return 0;
return 1;
case MA_OPT_SCALING:
#ifdef __GP2X__
if (strcasecmp(var, "Scaling") != 0) return 0;
if (strcasecmp(val, "OFF") == 0) {
currentConfig.scaling = EOPT_SCALE_NONE;
} else if (strcasecmp(val, "hw horizontal") == 0) {
currentConfig.scaling = EOPT_SCALE_HW_H;
} else if (strcasecmp(val, "hw horiz. + vert.") == 0) {
currentConfig.scaling = EOPT_SCALE_HW_HV;
} else if (strcasecmp(val, "sw horizontal") == 0) {
currentConfig.scaling = EOPT_SCALE_SW_H;
} else
currentConfig.scaling = atoi(val);
return 1;
#else
return 0;
#endif
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_OPT_CONFIRM_STATES:
if (strcasecmp(var, "Confirm savestate") != 0) return 0;
if (strcasecmp(val, "OFF") == 0) {
currentConfig.EmuOpt &= ~(5<<9);
} else if (strcasecmp(val, "writes") == 0) {
currentConfig.EmuOpt &= ~(5<<9);
currentConfig.EmuOpt |= 1<<9;
} else if (strcasecmp(val, "loads") == 0) {
currentConfig.EmuOpt &= ~(5<<9);
currentConfig.EmuOpt |= 4<<9;
} else if (strcasecmp(val, "both") == 0) {
currentConfig.EmuOpt &= ~(5<<9);
currentConfig.EmuOpt |= 5<<9;
} 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_OPT2_SQUIDGEHACK:
if (strcasecmp(var, "Squidgehack") != 0) return 0;
tmpi = atoi(val);
if (tmpi) *(int *)me->var |= me->mask;
else *(int *)me->var &= ~me->mask;
return 1;
case MA_CDOPT_READAHEAD:
if (strcasecmp(var, "ReadAhead buffer") != 0) return 0;
PicoCDBuffers = atoi(val) / 2;
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_FILTERING:
if (strcasecmp(var, "Bilinear filtering") != 0) return 0;
currentConfig.scaling = atoi(val);
return 1;
case MA_OPT3_GAMMAA:
if (strcasecmp(var, "Gamma adjustment") != 0) return 0;
currentConfig.gamma = atoi(val);
return 1;
case MA_OPT3_BLACKLVL:
if (strcasecmp(var, "Black level") != 0) return 0;
currentConfig.gamma2 = atoi(val);
return 1;
case MA_OPT3_VSYNC:
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\n", me->id);
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; i < sizeof(me_ctrl_actions) / sizeof(me_ctrl_actions[0]); 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, ret = 0;
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;
}
me = me_list_get_first();
while (me != NULL && ret == 0)
{
if (!me->need_to_save)
goto next;
if (me->name != NULL && me->name[0] != 0) {
if (strcasecmp(var, me->name) != 0)
goto next; /* surely not this one */
if (me->beh == MB_OPT_ONOFF) {
tmp = atoi(val);
if (tmp) *(int *)me->var |= me->mask;
else *(int *)me->var &= ~me->mask;
return;
} else if (me->beh == MB_OPT_RANGE) {
tmp = atoi(val);
if (tmp < me->min) tmp = me->min;
if (tmp > me->max) tmp = me->max;
*(int *)me->var = tmp;
return;
}
}
ret = custom_read(me, var, val);
next:
me = me_list_get_next();
}
if (!ret) lprintf("config_readsect: unhandled var: \"%s\"\n", var);
}
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));
in_config_start();
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);
}
in_config_end();
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;
}
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