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Diffstat (limited to 'src/config.c')
| -rw-r--r-- | src/config.c | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/src/config.c b/src/config.c new file mode 100644 index 0000000..4035d22 --- /dev/null +++ b/src/config.c @@ -0,0 +1,176 @@ +/* + + espec - Sinclair Spectrum emulator + + Copyright (C) 2003 Ian Cowburn (ianc@noddybox.demon.co.uk) + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + + ------------------------------------------------------------------------- + + Config file + +*/ +static const char ident[]="$Id$"; + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include "exit.h" +#include "config.h" + +static const char ident_h[]=ESPEC_CONFIG_H; + +#ifndef TRUE +#define TRUE 1 +#endif + +#ifndef FALSE +#define FALSE 0 +#endif + + +/* ---------------------------------------- CONFIG +*/ +static char rompath[FILENAME_MAX]="./zx81.rom"; +static char tapedir[FILENAME_MAX]="."; +static int fullscreen=FALSE; +static int memsize=16; +static int frames=50; +static int scale=1; +static int trace=0; + +static const struct +{ + const char *name; + void *var; + int is_int; +} config[]= { + {"rompath", rompath, FALSE}, + {"tapedir", tapedir, FALSE}, + {"fullscreen", &fullscreen, TRUE}, + {"memsize", &memsize, TRUE}, + {"frames", &frames, TRUE}, + {"scale", &scale, TRUE}, + {"trace", &trace, TRUE}, + {NULL, NULL, FALSE} + }; + + +/* ---------------------------------------- PRIVATE FUNCTIONS +*/ +static void Parse(FILE *fp) +{ + char buff[1024]; + + while(fgets(buff,sizeof buff,fp)) + { + size_t l; + + l=strlen(buff); + + if (buff[l-1]=='\n') + buff[--l]=0; + + if (l>0 && buff[0]!='#') + { + char *t1=NULL; + char *t2=NULL; + + t1=strtok(buff,"\t"); + t2=strtok(NULL,"\t"); + + if (t2) + { + int f; + + for(f=0;config[f].name;f++) + { + if (strcmp(config[f].name,t1)==0) + { + if (config[f].is_int) + { + int *i; + + i=config[f].var; + *i=atoi(t2); + } + else + { + char *p; + + p=config[f].var; + strcpy(p,t2); + } + } + } + } + else + { + fprintf(stderr,"Ignored bad config: %s %s\n",t1,t2 ? t2:""); + } + } + } +} + + +/* ---------------------------------------- EXPORTED INTERFACES +*/ +void ConfigRead(void) +{ + FILE *fp; + char path[FILENAME_MAX]={0}; + + if (getenv("HOME")) + strcpy(path,getenv("HOME")); + + strcat(path,"/.ezx81"); + + if ((fp=fopen(path,"r"))) + { + Parse(fp); + fclose(fp); + } +} + + +int IConfig(IConfigVar v) +{ + static const int *vars[]= + { + &fullscreen, + &memsize, + &frames, + &scale, + &trace + }; + + return *vars[v]; +} + + +const char *SConfig(SConfigVar v) +{ + static const char *vars[]= + { + rompath, + tapedir + }; + + return vars[v]; +} + + +/* END OF FILE */ |