* BUGFIX : EN idx_get faltaba un sizeof(EMUFS_REG_ID) (aunque el valgrind se sigue...

[z.facultad/75.06/emufs.git] / emufs / idx.c

diff --git a/emufs/idx.c b/emufs/idx.c
index dcf57c59831562141069c1962d21f05ac0db0a5c..3362331adfafd74782a4099f6441669296ac27e1 100644 (file)
--- a/emufs/idx.c
+++ b/emufs/idx.c
@@ -131,7 +131,6 @@ EMUFS_BLOCK_ID emufs_idx_buscar_registro(EMUFS *emu, EMUFS_REG_ID reg_id)
        return EMUFS_NOT_FOUND;
 }
 
-/* agrega un registro al final del archivo */
 int emufs_idx_agregar(EMUFS *emu, EMUFS_REG_ID id_reg, EMUFS_BLOCK_ID location)
 {
        FILE *f_idx;
@@ -141,7 +140,7 @@ int emufs_idx_agregar(EMUFS *emu, EMUFS_REG_ID id_reg, EMUFS_BLOCK_ID location)
        strcpy(name_f_idx,emu->nombre);
        strcat(name_f_idx, EMUFS_IDX_EXT);
 
-       if ( (f_idx = fopen(name_f_idx,"a+b"))==NULL ) return -1;
+       if ( (f_idx = fopen(name_f_idx,"r+"))==NULL ) return -1;
 
        fseek(f_idx, sizeof(EMUFS_IDX)*id_reg, SEEK_SET); 
        reg.id_reg = id_reg;
@@ -217,7 +216,7 @@ EMUFS_REG_ID *emufs_idx_get(EMUFS *emu, EMUFS_REG_ID *cant)
                if (fread(&reg, sizeof(EMUFS_IDX), 1, f_idx) != 1) continue;
                count++;
                /* TODO : Verificar errores :-D */
-               tmp = realloc(tmp, count);
+               tmp = realloc(tmp, count*sizeof(EMUFS_REG_ID));
                tmp[count-1] = reg.id_reg;
        }
        fclose(f_idx);
@@ -239,7 +238,7 @@ int emufs_idx_existe_id(EMUFS *emu, int ID)
                PERR("No se pudo abrir el archivo");
                return -1;
        }
-
+       
        if (fseek(f_idx, sizeof(EMUFS_IDX)*ID, SEEK_SET) == 0) {
                fread(&reg, sizeof(EMUFS_IDX), 1, f_idx);
                if (reg.location != EMUFS_NOT_FOUND) {
@@ -247,12 +246,11 @@ int emufs_idx_existe_id(EMUFS *emu, int ID)
                        return 0;
                }
        }
-
        fclose(f_idx);
-       return -1;
+       return -1;/*no existe el id*/
 }
 
-int emufs_idx_actualizar(EMUFS *emu, int ID, int bloque)
+int emufs_idx_actualizar(EMUFS *emu, int ID, EMUFS_BLOCK_ID bloque)
 {
        FILE *f_idx;
        char name_f_idx[255];
@@ -265,7 +263,7 @@ int emufs_idx_actualizar(EMUFS *emu, int ID, int bloque)
                PERR("No se pudo abrir el archivo");
                return -1;
        }
-       
+       fseek(f_idx,0,SEEK_SET);
        fseek(f_idx,ID*sizeof(EMUFS_IDX),SEEK_SET);
        fread(&reg,sizeof(EMUFS_IDX),1,f_idx);
        reg.location = bloque;