TheNetNode-CB/os/win32/sys/dirent32.c

89 lines
1.5 KiB
C
Raw Normal View History

2019-05-15 00:19:53 +02:00
#include "dirent32.h"
/* Verzeichniss offnen. */
DIR *opendir(const char *dir)
{
DIR *dp;
char *filespec;
long handle;
int index;
filespec = malloc(strlen(dir) + 2 + 1);
strcpy(filespec, dir);
index = strlen(filespec) - 1;
if (index >= 0 && (filespec[index] == '/' || filespec[index] == '\\'))
filespec[index] = '\0';
strcat(filespec, "/*");
dp = (DIR *)malloc(sizeof(DIR));
dp->offset = 0;
dp->finished = 0;
dp->dir = strdup(dir);
if ((handle = _findfirst(filespec, &(dp->fileinfo))) < 0)
{
if (handle == -1)
{
closedir(dp);
return NULL;
}
if (errno == ENOENT)
dp->finished = 1;
else
{
closedir(dp);
return NULL;
}
}
dp->handle = handle;
free(filespec);
return dp;
}
/* Dateien aus Verzeichnis lesen. */
struct dirent *readdir(DIR *dp)
{
if (!dp || dp->finished)
return NULL;
if (dp->offset != 0)
{
if (_findnext(dp->handle, &(dp->fileinfo)) < 0)
{
dp->finished = 1;
return NULL;
}
}
dp->offset++;
strncpy(dp->dent.d_name, dp->fileinfo.name, _MAX_FNAME);
dp->dent.d_ino = 1;
dp->dent.d_reclen = strlen(dp->dent.d_name);
dp->dent.d_off = dp->offset;
return&(dp->dent);
}
/* Verzeichnis schliessen. */
int closedir(DIR *dp)
{
if (!dp)
return 0;
_findclose(dp->handle);
if (dp->dir)
free(dp->dir);
if (dp)
free(dp);
return 0;
}
/* End of os/win32/dirent.c */