X-Git-Url: https://git.llucax.com/z.facultad/75.06/emufs.git/blobdiff_plain/03906f9085993640c8cccdd07574d9b9c71209a0..195807904dee0a8ab038e233a4447aae455dfc46:/tipo3/emufs.c diff --git a/tipo3/emufs.c b/tipo3/emufs.c index a06ad13..e696d86 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) { @@ -84,3 +128,25 @@ int emufs_destruir(EMUFS *e) return 0; } +int ver_archivo_FS(EMUFS *emu) +{ + FILE *f_block_free; + BLOCK_FREE_T reg; + char name_f_block_free[255]; + + strcpy(name_f_block_free,emu->nombre); + strcat(name_f_block_free,".fsc"); + + if ( (f_block_free = fopen("articulos.fsc","r"))==NULL ){ + printf("no pude abrir el archivo %s\n",name_f_block_free); + return -1; + } + + while ( !feof(f_block_free) ){ + fread(®,sizeof(reg),1,f_block_free); + printf(" Bloque = %d Espacio libre = %d\n",reg.block, reg.free_space); + } + + fclose(f_block_free); + return 0; +}