strcpy(name_f_idx,emu->nombre);
strcat(name_f_idx, EMUFS_IDX_EXT);
- fp = fopen(name_f_idx, "rb");
- if (fp == NULL) return 0;
+ if ( (fp = fopen(name_f_idx, "rb"))==NULL){
+ PERR("No se pudo abrir el archvo");
+ return -1;
+ }
fseek(fp, 0l, SEEK_END);
tam = ftell(fp);
strcpy(name_f_idx,emu->nombre);
strcat(name_f_idx, EMUFS_IDX_EXT);
- fp = fopen(name_f_idx, "rb");
- if (fp == NULL) return EMUFS_NOT_FOUND;
+ if ( (fp = fopen(name_f_idx, "rb")) == NULL){
+ PERR("No se pudo abrir el archivo");
+ return -1;
+ }
fseek(fp, pos*sizeof(EMUFS_IDX), SEEK_SET);
fread(&id, sizeof(EMUFS_IDX), 1, fp);
return id.id_reg;
}
-int emufs_idx_get_cant_reg(EMUFS* emu)
+int emufs_idx_existe_id(EMUFS *emu, int ID)
{
FILE *fp;
char name_f_idx[255];
- long cant;
+ EMUFS_IDX id;
+
strcpy(name_f_idx,emu->nombre);
strcat(name_f_idx, EMUFS_IDX_EXT);
- if ( (fp = fopen(name_f_idx, "r")) == NULL ) return -1;/*EMUFS_NOT_FOUND*/;
- fseek(fp, 0, SEEK_END);
- cant = ftell(fp)/sizeof(EMUFS_IDX);
+ if ( (fp = fopen(name_f_idx, "rb")) == NULL){
+ PERR("No se pudo abrir el archivo");
+ return -1;
+ }
+
+ while ( !feof(fp) ){
+ fread(&id, sizeof(EMUFS_IDX), 1, fp);
+ if ( id.id_reg == ID ){
+ fclose(fp);
+ return 0;
+ }
+ }
fclose(fp);
- return cant;
+ return -1;
}