void printf_header_info(FILE_HEADER* header) {
if(header->typeflag[0] == '5')
printf("d");
else if(header->typeflag[0] == '1')
printf("l");
else
printf("-");
printf("%s", get_rights(header->mode[4]));
printf("%s", get_rights(header->mode[5]));
printf("%s", get_rights(header->mode[6]));
printf(" %s %s ", header->uname, header->gname);
printf("%*s ", 7, get_weight(oct2dec(header->size)));
// The following expression permits to cut the final '\n' character
printf("%.*s%s", 24, get_asc_date(oct2dec(header->mtime)),
&get_asc_date(oct2dec(header->mtime))[25]);
printf(" %s%s\n", header->prefix, header->name);
}
int main(int argc, char *argv[])
{
char oct[6];
int i;
int dec;
i = 0;
while((oct[i++] = getchar()) != '\n');
dec = oct2dec(oct);
oct[--i] = '\0';
printf("0x%s = %d\n", oct, dec);
return 0;
}
void create_archive_from_files(int number_of_arguments, char** files) {
FILE* archive = NULL;
int i = first_argument_position;
errno = 0;
// If the user wants to create the archive file so the first argument is
// the name of the archive.
if(MAKE_ARCHIVE_FLAG) {
archive = fopen(files[first_argument_position], "w");
if(archive == NULL && errno != 0)
goto error;
i++;
}
do {
errno = 0;
FILE* current_file = fopen(files[i], "r");
if(current_file == NULL && errno != 0)
goto error;
FILE_HEADER header;
build_ustar_header_from_file(&header, files[i]);
size_t filesize = oct2dec(header.size);
char* buffer = malloc(filesize);
memset(buffer, 0, filesize);
fread(buffer, filesize, 1, current_file);
if(MAKE_ARCHIVE_FLAG) {
write_header_to_archive(&header, archive);
fwrite(buffer, filesize, 1, archive);
unsigned int space_needed = calculate_number_of_block(filesize);
space_needed *= BLOCK_SIZE;
complete_current_block(filesize, space_needed, archive);
if(VERBOSE_FLAG)
printf("'%s' a été archivé.\n", files[i]);
}
else {
printf_header(&header);
printf("%.*s\n", (int)filesize, buffer);
}
free(buffer);
buffer = NULL;
fclose(current_file);
current_file = NULL;
i++;
} while(i < number_of_arguments);
// Write an ending null block at the end of the archive
if(MAKE_ARCHIVE_FLAG) {
write_null_block(archive);
fclose(archive);
archive = NULL;
}
// Here is a jump in case of an error during opening the archive
error:
// Avoid a wrong error display at the end of the function
if(i != number_of_arguments)
fprintf(stderr, "%s '%s' : %s\n", OPENING_ERR, files[i],
strerror(errno));
}
