X-Git-Url: https://git.llucax.com/z.facultad/75.06/emufs.git/blobdiff_plain/8a6f628c163936c6f0852c398694f2d5fc946c37..3291460361a5e4280b125e15f833d5ec1820c349:/tipo3/emufs.c diff --git a/tipo3/emufs.c b/tipo3/emufs.c index b559489..a769741 100644 --- a/tipo3/emufs.c +++ b/tipo3/emufs.c @@ -6,6 +6,8 @@ #define EXT_TIPO3_ID ".id3" #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) { @@ -50,6 +52,26 @@ EMUFS *emufs_crear(const char *filename, char tipo, unsigned int tam_bloque, uns fwrite(&tam_bloque, sizeof(unsigned int), 1, fp); fwrite(&tam_reg, sizeof(unsigned int), 1, fp); fclose(fp); + + strcpy(name, filename); + strcat(name, EXT_TIPO3_ID); + fp = fopen(name, "w"); + fclose(fp); + + strcpy(name, filename); + strcat(name, EXT_TIPO3_DISP); + fp = fopen(name, "w"); + fclose(fp); + + strcpy(name, filename); + 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); @@ -59,6 +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) {