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CREAR - LEER - ACTUALIZAR - ELIMINAR ARCHIVOS BINARIOS
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#include <stdio.h> | |
#include <stdlib.h> | |
#include <string.h> | |
void readFile (char * filename) | |
{ | |
FILE * file; | |
/* | |
ABRIR FILE * EN MODO LECTURA [r] | |
NULL SI NO EXISTE EL FICHERO | |
*/ | |
if ((file = fopen(filename, "r")) == NULL) | |
{ | |
printf("Archivo no encontrado\n"); | |
return; | |
} | |
/* | |
CICLO HASTA EL FIN DEL TEXTO [feof] | |
fgets (DESTINO, TAMAÑO, FILE *) | |
memset (STRING, CARACTER VACÍO, TAMAÑO) | |
LIMPIAR BUFFERING DE FILE * (fflush) | |
*/ | |
while (!feof(file)) | |
{ | |
char buffer[250]; | |
fgets(buffer, 250, file); | |
printf ("%s\n", buffer); | |
memset(buffer, '\0', 250); | |
fflush(file); | |
} | |
/* | |
CERRAR EL FICHERO (fclose) | |
*/ | |
fclose(file); | |
} | |
void writeFile (char * filename, char * text) | |
{ | |
FILE * file; | |
if ((file = fopen(filename, "a+")) == NULL) | |
{ | |
printf("Archivo no reconocido\n"); | |
return; | |
} | |
/* | |
AGREGAR UN STRING | |
fputs (SOURCE, FILE *) | |
AGREGAR UN CARACTER | |
fputc (SOURCE, FILE *) | |
*/ | |
fputs(text, file); | |
fputc('\n', file); | |
fclose(file); | |
} | |
int main () | |
{ | |
writeFile("filename.txt", "HOLA"); | |
writeFile("filename.txt", "MUNDO"); | |
writeFile("filename.txt", "TEXTO"); | |
writeFile("filename.txt", "ESCRITO"); | |
readFile("filename.txt"); | |
return 0; | |
} |
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#ifndef MANAGER_H_INCLUDED | |
#define MANAGER_H_INCLUDED | |
#include <stdio.h> | |
#include "../struct/sdisk.h" | |
/* OBTENER EL PATH DEL ARCHIVO DE 'filename' */ | |
char * getDirectoryPath(char * filename) | |
{ | |
char * cpyPath = (char *)malloc(strlen(filename)); | |
strcpy(cpyPath, filename); | |
char * temp = (char *)malloc(strlen(filename)); | |
memset(temp, 0, strlen(filename)); | |
char * fileDirectory = (char *)malloc(strlen(filename)); | |
memset(fileDirectory, 0, strlen(fileDirectory)); | |
strcpy(fileDirectory, "/"); | |
temp = strtok(cpyPath, "/"); | |
while (*temp) | |
{ | |
strcat(fileDirectory, temp); | |
strcat(fileDirectory, "/"); | |
temp = strtok(NULL, "/"); | |
// .png | .jpg | .jpeg | .disk | .dsk | |
if (temp != NULL && | |
((temp[strlen(temp) - 4] == '.') || | |
(temp[strlen(temp) - 5] == '.'))) | |
break; | |
} | |
return fileDirectory; | |
} | |
/* CREAR FOLDER CON SUBCARPETAS NECESARIAS DE 'filename' */ | |
int createFolder(char * filename) | |
{ | |
char * fileDirectory = getDirectoryPath(filename); | |
size_t size = strlen(fileDirectory) + sizeof(char) * 10; | |
char * cmd = (char *)malloc(size); | |
memset(cmd, 0, size); | |
strcpy(cmd, "mkdir -p "); | |
strcat(cmd, fileDirectory); | |
return (system(cmd) == 0) ? 1 : 0; | |
} | |
/* CREAR ARCHIVO BINARIO 'filename' CON EL TAMAÑO 'size' */ | |
int createDisk(char * filename, int size) | |
{ | |
FILE * file; | |
if ((file = fopen(filename, "wb")) == NULL) | |
{ | |
perror("createDisk\n"); | |
return 0; | |
} | |
char buffer[KILOBYTE]; | |
memset(buffer, '\0', KILOBYTE); | |
for(int i = 0; i < size / KILOBYTE; i++) | |
{ | |
fwrite(buffer, sizeof(buffer), 1, file); | |
fflush(file); | |
} | |
fclose(file); | |
return 1; | |
} | |
/* VERIFICAR ARCHIVO BINARIO 'filename' */ | |
int checkDisk(char * filename) | |
{ | |
FILE * file; | |
if ((file = fopen(filename, "rb")) == NULL) | |
return 0; | |
fclose(file); | |
return 1; | |
} | |
/* ACTUALIZAR ARCHIVO BINARIO 'filename' CON LA DATA 'data' */ | |
int updateMBR(char * filename, MBR * data) | |
{ | |
FILE * file; | |
if ((file = fopen(filename, "rb+")) == NULL) | |
{ | |
perror("updateMBR\n"); | |
return 0; | |
} | |
fwrite(data, sizeof(MBR), 1, file); | |
fclose(file); | |
return 1; | |
} | |
/* ELIMINAR ARCHIVO BINARIO 'filename' */ | |
int deleteDisk(char * filename) | |
{ | |
return (remove(filename) == 0) ? 1 : 0; | |
} | |
#endif // MANAGER_H_INCLUDED |
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