X-Git-Url: https://git.llucax.com/z.facultad/75.06/emufs.git/blobdiff_plain/67c6b07f6bd9d779f3314b5ce3de40ea4aa9dd51..f5f9e412009380bc5aea316c9ff48ea379f17f0c:/emufs/idx.c

diff --git a/emufs/idx.c b/emufs/idx.c
index f465d20..7e48545 100644
--- a/emufs/idx.c
+++ b/emufs/idx.c
@@ -233,8 +233,10 @@ EMUFS_REG_ID emufs_idx_get_count(EMUFS *emu)
 	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);
@@ -252,8 +254,10 @@ EMUFS_REG_ID emufs_idx_get_id_at(EMUFS *emu, long pos)
 	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);
@@ -261,3 +265,28 @@ EMUFS_REG_ID emufs_idx_get_id_at(EMUFS *emu, long pos)
 
 	return id.id_reg;
 }
+
+int emufs_idx_existe_id(EMUFS *emu, int ID)
+{
+	FILE *fp;
+	char name_f_idx[255];
+	EMUFS_IDX id;
+	
+	strcpy(name_f_idx,emu->nombre);
+	strcat(name_f_idx, EMUFS_IDX_EXT);
+
+	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 -1;
+}