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21 nishi 1
/* $Id: dir.c 150 2024-09-24 20:15:17Z nishi $ */
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#include "cm_dir.h"
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#include "cm_string.h"
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#include <sys/stat.h>
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#include <dirent.h>
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#include <stdlib.h>
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#include <string.h>
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22 nishi 12
int cm_sort(const void* _a, const void* _b) {
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	char* a = *(char**)_a;
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	char* b = *(char**)_b;
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	return strcmp(a, b);
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}
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22 nishi 18
char** cm_scandir(const char* path) {
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	DIR* dir = opendir(path);
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	if(dir != NULL) {
21 nishi 21
		char** r = malloc(sizeof(*r));
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		r[0] = NULL;
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		struct dirent* d;
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		while((d = readdir(dir)) != NULL) {
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			if(strcmp(d->d_name, ".") != 0 && strcmp(d->d_name, "..") != 0) {
21 nishi 26
				struct stat s;
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				char* p = cm_strcat3(path, "/", d->d_name);
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				stat(p, &s);
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				free(p);
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				char** old = r;
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				int i;
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				for(i = 0; old[i] != NULL; i++)
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					;
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				r = malloc(sizeof(*r) * (i + 2));
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				for(i = 0; old[i] != NULL; i++) r[i] = old[i];
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				r[i] = cm_strcat(d->d_name, S_ISDIR(s.st_mode) ? "/" : "");
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				r[i + 1] = NULL;
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				free(old);
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			}
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		}
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		int len;
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		for(len = 0; r[len] != NULL; len++)
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			;
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		qsort(r, len, sizeof(char*), cm_sort);
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		char** old = r;
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		int i;
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		for(i = 0; old[i] != NULL; i++)
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			;
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		r = malloc(sizeof(*r) * (i + 2));
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		for(i = 0; old[i] != NULL; i++) r[i + 1] = old[i];
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		r[0] = cm_strdup("../");
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		r[i + 1] = NULL;
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		free(old);
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150 nishi 57
		closedir(dir);
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21 nishi 59
		return r;
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	} else {
21 nishi 61
		return NULL;
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	}
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}