mirror of https://github.com/pygos/pkg-utils.git
70 lines
1.1 KiB
C
70 lines
1.1 KiB
C
#include <sys/stat.h>
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#include <string.h>
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#include "image_entry.h"
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static int compare_ent(image_entry_t *a, image_entry_t *b)
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{
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if (S_ISDIR(a->mode)) {
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if (S_ISDIR(b->mode))
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goto out_len;
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return -1;
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}
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if (S_ISDIR(b->mode))
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return 1;
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if (S_ISREG(a->mode)) {
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if (S_ISREG(b->mode)) {
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if (a->data.file.size > b->data.file.size)
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return 1;
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if (a->data.file.size < b->data.file.size)
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return -1;
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return 0;
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}
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return 1;
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}
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if (S_ISREG(b->mode))
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return 1;
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out_len:
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return (int)strlen(a->name) - (int)strlen(b->name);
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}
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static image_entry_t *insert_sorted(image_entry_t *list, image_entry_t *ent)
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{
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image_entry_t *it, *prev;
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if (list == NULL || compare_ent(list, ent) > 0) {
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ent->next = list;
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return ent;
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}
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it = list->next;
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prev = list;
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while (it != NULL) {
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if (compare_ent(it, ent) > 0)
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break;
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prev = it;
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it = it->next;
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}
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prev->next = ent;
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ent->next = it;
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return list;
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}
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image_entry_t *image_entry_sort(image_entry_t *list)
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{
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image_entry_t *sorted = NULL, *ent;
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while (list != NULL) {
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ent = list;
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list = list->next;
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sorted = insert_sorted(sorted, ent);
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}
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return sorted;
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}
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