From 49997ac30b46c42a0366423cb2048f8257774805 Mon Sep 17 00:00:00 2001
From: Thorsten Töpper <atsutane@freethoughts.de>
Date: Fri, 20 Jun 2025 01:45:13 +0200
Subject: Store everything from lstat()

---
 src/list_management.c | 39 +++++++++++++++++++++++++++++----------
 1 file changed, 29 insertions(+), 10 deletions(-)

(limited to 'src/list_management.c')

diff --git a/src/list_management.c b/src/list_management.c
index 3b02d7f..582eccd 100644
--- a/src/list_management.c
+++ b/src/list_management.c
@@ -11,12 +11,13 @@
 
 #include "output.h"
 #include "list_management.h"
+#include "options.h"
 
 
 
 /* === IMPLEMENTATION === */
 
-inline struct list_node *create_node(char *fname, off_t fsize, time_t ftime) {
+inline struct list_node *create_node(char *fname, struct stat *ln_stat) {
     struct list_node *node = NULL;
 
     if (fname == NULL || fname[0] == '\0') {
@@ -24,19 +25,23 @@ inline struct list_node *create_node(char *fname, off_t fsize, time_t ftime) {
         return NULL;
     }
 
+    if (ln_stat == NULL) {
+        LOGERR("ERROR: No valid file information given\n");
+        return NULL;
+    }
+
     if ((node = calloc(1, sizeof(struct list_node))) == NULL) {
         LOGERR("ERROR: Failed allocate memory for node: %s\n", strerror(errno));
         return NULL;
     }
 
-    node->next  = NULL;
-    node->fsize = fsize;
-    node->ftime = ftime;
+    node->next = NULL;
     /* With strncpy and strict compiler options it complained. A file name
      * can't be longer than 256 bytes, including the string terminating \0
      * byte at the end. As the code no longer's in the same file...*/
     memcpy(node->fname, fname, 255);
     node->fname[255] = '\0';
+    memcpy(&(node->ln_stat), ln_stat, sizeof(struct stat));
     return node;
 }
 
@@ -61,12 +66,12 @@ inline void destroy_list(struct list_head *list) {
 /* dirty... */
 #define INSERT_BY_NUMERIC_FIELD(list, node, field) \
 { struct list_node *ptr = NULL; \
-    if (node->field > list->first->field) { \
+    if (node->ln_stat.field > list->first->ln_stat.field) { \
         node->next = list->first; list->first = node; return 0; } \
     ptr = list->first; \
     while (ptr != NULL) { \
         if (ptr->next == NULL) { ptr->next = node; return 0; } \
-        if (node->field > ptr->next->field) { \
+        if (node->ln_stat.field > ptr->next->ln_stat.field) { \
             node->next = ptr->next; ptr->next = node; \
             return 0; } \
         ptr = ptr->next; \
@@ -74,7 +79,6 @@ inline void destroy_list(struct list_head *list) {
 }
 
 
-/* TODO: later when, other parameters are actively used move the action to a template */
 inline int insert_sorted_by_size(struct list_head *list, struct list_node *node) {
     if (list == NULL) { LOGERR("ERROR: No list given.\n"); return -1; }
     if (node == NULL) { LOGERR("ERROR: No node given.\n"); return -2; }
@@ -83,7 +87,7 @@ inline int insert_sorted_by_size(struct list_head *list, struct list_node *node)
         list->first = node;
         return 0;
     }
-    INSERT_BY_NUMERIC_FIELD(list, node, fsize);
+    INSERT_BY_NUMERIC_FIELD(list, node, st_size);
     return -3;
 }
 
@@ -95,7 +99,22 @@ inline int insert_sorted_by_time(struct list_head *list, struct list_node *node)
         list->first = node;
         return 0;
     }
-    INSERT_BY_NUMERIC_FIELD(list, node, ftime);
+    switch (option_time_field) {
+        case 'm': /* default setting first */
+            INSERT_BY_NUMERIC_FIELD(list, node, st_mtim.tv_sec);
+            break;
+        case 'a':
+            INSERT_BY_NUMERIC_FIELD(list, node, st_atim.tv_sec);
+            break;
+        case 'c':
+            INSERT_BY_NUMERIC_FIELD(list, node, st_ctim.tv_sec);
+            break;
+        default:
+            LOGERR("WARNING: option_time_field has invalid value %c 0x%02X - going by default m\n",
+                option_time_field, option_time_field);
+            INSERT_BY_NUMERIC_FIELD(list, node, st_mtim.tv_sec);
+            break;
+    };
     return -3;
 }
 
@@ -116,7 +135,7 @@ struct list_head *create_list_sort_reversed(struct list_head *list) {
     ptr = list->first;
 
     while (ptr != NULL) {
-        cpynode = create_node(ptr->fname, ptr->fsize, ptr->ftime);
+        cpynode = create_node(ptr->fname, &(ptr->ln_stat));
         if (cpynode == NULL) {
             destroy_list(lh);
             return NULL;
-- 
cgit v1.2.3-70-g09d2