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#include "tar.h"
int file_content_write(int fd, int file_fd, struct stat *statbuf)
{
char *content;
if ((content = malloc(statbuf->st_size)) == NULL)
{
perror("file_content_write");
close(file_fd);
return -1;
}
if (read(file_fd, content, statbuf->st_size) == -1)
{
perror("file_content_write");
close(file_fd);
free(content);
return -1;
}
int ret = record_write(fd, content, statbuf->st_size);
close(file_fd);
free(content);
return (ret);
}
int file_write(int fd, char file_name[PATH_MAX])
{
int file_fd;
struct stat statbuf;
fprintf(stderr, "|%s|\n", file_name);
if (stat(file_name, &statbuf) == -1)
{
perror("file_write stat");
return -1;
}
if (header_write(fd, file_name, &statbuf) == -1)
return -1;
switch (statbuf.st_mode & S_IFMT)
{
case S_IFDIR:
return directory_write(fd, file_name);
default:
if ((file_fd = open(file_name, O_RDONLY)) == -1)
{
perror("file_write open");
return -1;
}
return file_content_write(fd, file_fd, &statbuf);
}
return (0);
}
int directory_write(int fd, char dir_name[PATH_MAX])
{
DIR *dir;
struct dirent *entry;
size_t len;
if ((dir = opendir(dir_name)) == NULL)
{
perror("directory_write");
return -1;
}
len = strlen(dir_name);
strcat(dir_name, "/");
len++;
while ((entry = readdir(dir)) != NULL)
{
if (strcmp(entry->d_name, ".") == 0 ||
strcmp(entry->d_name, "..") == 0)
continue;
strcat(dir_name, entry->d_name);
if (file_write(fd, dir_name) == -1)
{
closedir(dir);
return -1;
}
dir_name[len] = '\0';
}
dir_name[len - 1] = '\0';
closedir(dir);
return 0;
}
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