#include <sys/types.h>
#include <sys/stat.h>
#include <ctype.h>
#include <errno.h>
#include <unistd.h>
#include <string.h>
#include "dlz_minimal.h"
#include "dir.h"
void
dir_init(dir_t *dir) {
dir->entry.name[0] = '\0';
dir->entry.length = 0;
dir->handle = NULL;
}
isc_result_t
dir_open(dir_t *dir, const char *dirname) {
char *p;
isc_result_t result = ISC_R_SUCCESS;
if (strlen(dirname) + 3 > sizeof(dir->dirname))
return (ISC_R_NOSPACE);
strcpy(dir->dirname, dirname);
p = dir->dirname + strlen(dir->dirname);
if (dir->dirname < p && *(p - 1) != '/')
*p++ = '/';
*p++ = '*';
*p = '\0';
dir->handle = opendir(dirname);
if (dir->handle == NULL) {
switch (errno) {
case ENOTDIR:
case ELOOP:
case EINVAL:
case ENAMETOOLONG:
case EBADF:
result = ISC_R_INVALIDFILE;
case ENOENT:
result = ISC_R_FILENOTFOUND;
case EACCES:
case EPERM:
result = ISC_R_NOPERM;
case ENOMEM:
result = ISC_R_NOMEMORY;
default:
result = ISC_R_UNEXPECTED;
}
}
return (result);
}
isc_result_t
dir_read(dir_t *dir) {
struct dirent *entry;
entry = readdir(dir->handle);
if (entry == NULL)
return (ISC_R_NOMORE);
if (sizeof(dir->entry.name) <= strlen(entry->d_name))
return (ISC_R_UNEXPECTED);
strcpy(dir->entry.name, entry->d_name);
dir->entry.length = strlen(entry->d_name);
return (ISC_R_SUCCESS);
}
void
dir_close(dir_t *dir) {
(void)closedir(dir->handle);
dir->handle = NULL;
}
isc_result_t
dir_reset(dir_t *dir) {
rewinddir(dir->handle);
return (ISC_R_SUCCESS);
}