simpsh-httpd/cport/filelib.h

#include <unistd.h>
#include <fcntl.h>
#include <dirent.h>
#include <sys/types.h>
#include <sys/stat.h>

bool file_accessible(const char *pathname, int mode) {
	return access(pathname, mode) != -1;
}

bool file_exists(const char *pathname) {
	return file_accessible(pathname, F_OK);
}

mode_t file_getmode(const char *pathname) {
	struct stat statbuf;
	assert(stat(pathname, &statbuf) == 0);
	return statbuf.st_mode;
}

bool file_isdir(const char *pathname) {
	if (!file_exists(pathname)) {
		return false;
	}
	mode_t filemode = file_getmode(pathname);
	return S_ISDIR(filemode);
}

bool file_isregfile(const char *pathname) {
	if (!file_exists(pathname)) {
		return false;
	}
	mode_t filemode = file_getmode(pathname);
	return S_ISREG(filemode);
}

struct databuffer file_listdir(const char *pathname) { // Returns databuffer with filenames in pathnames seperated by null-terminators
	struct databuffer filelist;
	struct databuffer filename;
	DIR *dir;
	struct dirent *entry;
	db_init(&filelist);
	assert((dir = opendir(pathname)) != NULL);
	while ((entry = readdir(dir)) != NULL) {
		filename = sized_db(entry->d_name, strlen(entry->d_name) + 1);
		db_append(&filelist, &filename);
	}
	closedir(dir);
	return filelist;
}