th/backend.c

76 lines
1.9 KiB
C

#include <curses.h>
#include <dirent.h>
#include "defines.h"
#include "sorting.h"
extern unsigned int settings;
extern unsigned int file_modifiers;
void get_dir_size(char *path, unsigned long *dir_length_width, unsigned long *dir_width){
DIR *dir = opendir(path);
if (dir) {
unsigned long entry_count = 0;
unsigned long max_length;
struct dirent *entry;
while ((entry=readdir(dir))) {
if (entry->d_name[0] != '.' || (file_modifiers & FILE_MODIFIERS_HIDDEN_FILES)) {
unsigned int current_length = 0;
unsigned int i = 0;
for (; entry->d_name[i] != '\0'; i++) {
current_length++;
}
if (current_length > max_length) {
/*dynamic filename length to save on memory*/
max_length = current_length;
}
entry_count++;
} else {
}
}
dir_length_width[0] = entry_count;
dir_length_width[1] = max_length;
}
closedir(dir);
}
void get_dir_content(char *path, unsigned long *dir_length_width, unsigned long *dir_width, char *dir_content){
struct dirent **entry;
if (file_modifiers & FILE_MODIFIERS_HIDDEN_FILES) { /* print hidden files */
dir_length_width[0] = scandir(path, &entry, NULL, alphasort);
} else {
dir_length_width[0] = scandir(path, &entry, skip_hidden_files, alphasort);
}
unsigned long i = 0;
for (i = 0; i < dir_length_width[0]; i++ ) {
if (entry[i]->d_name[0] == '.' && !(file_modifiers & FILE_MODIFIERS_HIDDEN_FILES)) {
} else {
unsigned long j = 0;
for (; entry[i]->d_name[j] != '\0'; j++) {
dir_content[i * dir_length_width[1] + j] = entry[i]->d_name[j];
}
dir_width[i] = j;
}
}
for (i = 0; i < dir_length_width[0]; i++) {
free(entry[i]);
}
free(entry);
}
void print_dir(WINDOW *win, unsigned long *dir_length_width, unsigned long *file_width, char *dir_content){
unsigned long i = 0;
for (i = 0; i<dir_length_width[0]; i++) {
unsigned long j = 0;
for (j = 0; j < file_width[i]; j++){
mvwprintw(win, i, j, "%c", dir_content[i * dir_length_width[1] + j]);
}
}
}