*
*/
-#define VERSION_NUMBER "1.1"
+#define VERSION_NUMBER "1.2"
#define _BSD_SOURCE
return
strcmp(name, ".") == 0 ||
strcmp(name, "..") == 0 ||
- (ignore_dotfiles && name[0] == '.' && name[1] != '/');
+ (ignore_dotfiles && name[0] == '.' && name[1] != '/');
}
size_sum_t entry_size(const char *name) {
return 0;
}
- dir = opendir(name);
-
- if(dir) {
- while((dir_e = readdir(dir))) {
- if(!ignore_entry(dir_e->d_name)) {
- snprintf(subname, PATH_MAX, "%s/%s", name, dir_e->d_name);
- result += entry_size(subname);
+ if(S_ISDIR(dummy.st_mode)) {
+ dir = opendir(name);
+ if(dir) {
+ while((dir_e = readdir(dir))) {
+ if(!ignore_entry(dir_e->d_name)) {
+ snprintf(subname, PATH_MAX, "%s/%s", name, dir_e->d_name);
+ result += entry_size(subname);
+ }
}
+ closedir(dir);
+ } else {
+ fprintf(stderr, "Can not open directory %s: %s\n", name, strerror(errno));
+ exit(EXIT_FAILURE);
}
- closedir(dir);
- } else {
- if(S_ISREG(dummy.st_mode)) {
- result += dummy.st_size;
- }
+ } else if(S_ISREG(dummy.st_mode)) {
+ result += dummy.st_size;
}
return result;
return result;
}
+struct entry_node *push_dir_content(char *name, struct entry_node *head) {
+ char subname[PATH_MAX];
+ DIR *dir;
+ struct dirent *dir_e;
+ dir = opendir(name);
+ if(dir) {
+ while((dir_e = readdir(dir))) {
+ if(!ignore_entry(dir_e->d_name)) {
+ snprintf(subname, PATH_MAX, "%s/%s", name, dir_e->d_name);
+ head = push_entry(subname, head);
+ }
+ }
+ closedir(dir);
+ } else {
+ fprintf(stderr, "Can not open directory %s: %s\n", name, strerror(errno));
+ exit (EXIT_FAILURE);
+ }
+ return head;
+}
+
void destroy_entry_list(struct entry_node *node) {
struct entry_node *next;
while(node) {
snprintf(b, buffer_size - (b - buffer), "%s\n", filename);
}
-void fancy_print(char *buffer, size_t buffer_size, char *filename, size_sum_t size) {
+void fancy_print(char *buffer, size_t buffer_size,
+ char *filename, size_sum_t size) {
if(size < 1024) {
snprintf(buffer,
buffer_size,
void usage(FILE *out) {
fprintf(out, "Usage: dus [OPTION]... [FILE]...\n");
fprintf(out, "Version %s (%s)\n", VERSION_NUMBER, UNAME);
- fprintf(out, "List files and directories sorted according to their sizes. Take the files and sub-directories of the current directory as argument if none is provided as argument.\n");
+ fprintf(out, "Lists files and directories according to their size. The sizes are computed by summing recursively exact file sizes through directories. If a given directory has its name appended with '/', it is not listed, but the elements it contains are. If no files or directories are provided as arguments, the current directory is used as default.\n");
fprintf(out, "\n");
/* 01234567890123456789012345678901234567890123456789012345678901234567890123456789*/
fprintf(out, " -d, --ignore-dots ignore files and directories starting with a '.'\n");
};
int main(int argc, char **argv) {
- int c;
+ int c, l;
struct entry_node *root;
struct winsize win;
if (optind < argc) {
while (optind < argc) {
- root = push_entry(argv[optind++], root);
- }
- } else {
- DIR *dir;
- struct dirent *dir_e;
- dir = opendir(".");
- if(dir) {
- while((dir_e = readdir(dir))) {
- if(!ignore_entry(dir_e->d_name)) {
- root = push_entry(dir_e->d_name, root);
- }
+ l = strlen(argv[optind]);
+ if(l > 0 && argv[optind][l - 1] == '/') {
+ argv[optind][l - 1] = '\0';
+ root = push_dir_content(argv[optind++], root);
+ } else {
+ root = push_entry(argv[optind++], root);
}
- closedir(dir);
- } else {
- fprintf(stderr, "Can not open ./: %s\n", strerror(errno));
- exit (EXIT_FAILURE);
}
+ } else {
+ root = push_dir_content(".", root);
}
if(isatty(STDOUT_FILENO) &&