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added multiple sorting algorithms

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nova
2025-07-06 15:59:18 +02:00
parent 47470e4e64
commit bc2989b2d9
3 changed files with 118 additions and 5 deletions
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112
sorting.c
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@@ -1,6 +1,7 @@
#include <curses.h>
#include <dirent.h>
#include <strings.h>
#include <stdlib.h>
#include "defines.h"
extern unsigned int settings;
@@ -40,9 +41,118 @@ int sort_natural(const void *file0, const void *file1){
}
}
}
int sort_alpha(const void *file0, const void *file1){
char *file_name0 = ((file*)file0)->file_name;
char *file_name1 = ((file*)file1)->file_name;
return strcmp(file_name0, file_name1);
}
int sort_random(const void *file0, const void *file1){
unsigned char file_type0 = ((file*)file0)->file_type;
unsigned char file_type1 = ((file*)file1)->file_type;
char *file_name0 = ((file*)file0)->file_name;
char *file_name1 = ((file*)file1)->file_name;
static int seed = 0;
static int random = 0;
if (seed == 0) {
seed = rand();
}
if (random == 0) {
random = seed;
}
if (strcmp(file_name0, ".") == 0 || strcmp(file_name0, "..") == 0) {
return -1;
}
char weight = 0;
if (file_type0 == FILE_TYPE_DIR || file_type0 == FILE_TYPE_SYMLINK) {
weight |= 1;
}
if (file_type1 == FILE_TYPE_DIR || file_type1 == FILE_TYPE_SYMLINK) {
weight |= 2;
}
if (weight == 0 || weight == 3) {
random = random > 1;
if ((random & 2) == 2) {
return -1;
} else {
if (random & 1){
return 1;
} else {
return 0;
}
}
} else {
if (file_type0 > file_type1) {
return 1;
} else if (file_type0 < file_type1) {
return -1;
} else {
random = random > 1;
if ((random & 2) == 2) {
return -1;
} else {
if (random & 1){
return 1;
} else {
return 0;
}
}
}
}
return 0;
}
int sort_type(const void *file0, const void *file1){
unsigned char file_type0 = ((file*)file0)->file_type;
unsigned char file_type1 = ((file*)file1)->file_type;
char *file_name0 = ((file*)file0)->file_name;
char *file_name1 = ((file*)file1)->file_name;
if (file_type0 == file_type1) {
return strcasecmp(file_name0, file_name1);
} else if (file_type0 == FILE_TYPE_DIR || file_type0 == FILE_TYPE_SYMLINK) {
return -1;
} else if (file_type1 == FILE_TYPE_DIR || file_type1 == FILE_TYPE_SYMLINK) {
return 1;
} else {
if (file_type0 > file_type1) {
return -1;
} else if (file_type0 < file_type1) {
return 1;
} else {
return strcasecmp(file_name0, file_name1);
}
}
}
int sort_size(const void *file0, const void *file1){
unsigned char file_type0 = ((file*)file0)->file_type;
unsigned char file_type1 = ((file*)file1)->file_type;
unsigned long file_size0 = ((file*)file0)->file_size;
unsigned long file_size1 = ((file*)file1)->file_size;
char *file_name0 = ((file*)file0)->file_name;
char *file_name1 = ((file*)file1)->file_name;
if (strcmp(file_name0, ".") == 0 || strcmp(file_name0, "..") == 0) {
return -1;
}
if (file_type0 == file_type1) {
if (file_size0 > file_size1) {
return -1;
} else if (file_size0 < file_size1) {
return 1;
} else {
return strcasecmp(file_name0, file_name1);
}
} else {
if (file_type0 == FILE_TYPE_DIR || file_type0 == FILE_TYPE_SYMLINK) {
return -1;
} else if (file_type1 == FILE_TYPE_DIR || file_type1 == FILE_TYPE_SYMLINK) {
return 1;
} else {
if (file_size0 > file_size1) {
return -1;
} else if (file_size0 < file_size1) {
return 1;
} else {
return strcasecmp(file_name0, file_name1);
}
}
}
}