X-Git-Url: https://git.llucax.com/z.facultad/75.06/emufs.git/blobdiff_plain/03906f9085993640c8cccdd07574d9b9c71209a0..3291460361a5e4280b125e15f833d5ec1820c349:/tipo3/emufs.c

diff --git a/tipo3/emufs.c b/tipo3/emufs.c
index a06ad13..a769741 100644
--- a/tipo3/emufs.c
+++ b/tipo3/emufs.c
@@ -7,6 +7,7 @@
 #define EXT_TIPO3_DATA ".dat"
 #define EXT_TIPO3_DISP ".fsc"
 #define EXT_TIPO3_IDS ".idc"
+#define EXT_TIPO3_EXTRA ".ids"
 
 char *str_dup(const char *s)
 {
@@ -66,6 +67,11 @@ EMUFS *emufs_crear(const char *filename, char tipo, unsigned int tam_bloque, uns
 			strcat(name, EXT_TIPO3_IDS);
 			fp = fopen(name, "w");
 			fclose(fp);
+			
+			strcpy(name, filename);
+			strcat(name, EXT_TIPO3_EXTRA);
+			fp = fopen(name, "w");
+			fclose(fp);
 		break;
 		default:
 			free(tmp);
@@ -75,6 +81,44 @@ EMUFS *emufs_crear(const char *filename, char tipo, unsigned int tam_bloque, uns
 	return tmp;
 }
 
+EMUFS *emufs_abrir(const char *filename)
+{
+	EMUFS *tmp;
+	char name[255];
+	char tipo;
+	FILE *fp;
+
+	strcpy(name, filename);
+	strcat(name, EXT_TIPO3_DATA);
+	fp = fopen(name, "r");
+	if (fp == NULL) return NULL;
+	fread(&tipo, sizeof(char), 1, fp);
+	if ((tipo < 0) || (tipo > 2)) {
+		fclose(fp);
+		return NULL;
+	}
+	
+	tmp = (EMUFS *)malloc(sizeof(EMUFS));
+	if (tmp == NULL) return NULL;
+
+	switch (tipo) {
+		case T1:
+		break;
+		case T2:
+		break;
+		case T3:
+			tmp->tipo = tipo;
+			fread(&tmp->tam_bloque, sizeof(int), 1, fp);
+			tmp->leer_bloque = leer_bloque;
+			tmp->leer_registro = leer_registro;
+			tmp->grabar_registro = grabar_registro;
+			tmp->borrar_registro = NULL;
+			tmp->nombre = str_dup(filename);
+	}
+
+	fclose(fp);
+	return tmp;
+}
 
 int emufs_destruir(EMUFS *e)
 {