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tag: php-4.3.6RC3
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#include <malloc.h>
#include <string.h>
#include <errno.h>

#include "readdir.h"
#include "php.h"

/**********************************************************************
* Implement dirent-style opendir/readdir/rewinddir/closedir on Win32
*
* Functions defined are opendir(), readdir(), rewinddir() and
* closedir() with the same prototypes as the normal dirent.h
* implementation.
*
* Does not implement telldir(), seekdir(), or scandir(). The dirent
* struct is compatible with Unix, except that d_ino is always 1 and
* d_off is made up as we go along.
*
* The DIR typedef is not compatible with Unix.
**********************************************************************/

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] == '\\' && !IsDBCSLeadByte(filespec[index-1]))))
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 (errno == ENOENT)
dp->finished = 1;
else
return NULL;
}
dp->handle = handle;
free(filespec);

return dp;
}

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++;

strlcpy(dp->dent.d_name, dp->fileinfo.name, _MAX_FNAME+1);
dp->dent.d_ino = 1;
dp->dent.d_reclen = strlen(dp->dent.d_name);
dp->dent.d_off = dp->offset;

return &(dp->dent);
}

int readdir_r(DIR *dp, struct dirent *entry, struct dirent **result)
{
if (!dp || dp->finished) {
*result = NULL;
return 0;
}

if (dp->offset != 0) {
if (_findnext(dp->handle, &(dp->fileinfo)) < 0) {
dp->finished = 1;
*result = NULL;
return 0;
}
}
dp->offset++;

strlcpy(dp->dent.d_name, dp->fileinfo.name, _MAX_FNAME+1);
dp->dent.d_ino = 1;
dp->dent.d_reclen = strlen(dp->dent.d_name);
dp->dent.d_off = dp->offset;

memcpy(entry, &dp->dent, sizeof(*entry));

*result = &dp->dent;

return 0;
}

int closedir(DIR *dp)
{
if (!dp)
return 0;
_findclose(dp->handle);
if (dp->dir)
free(dp->dir);
if (dp)
free(dp);

return 0;
}

int rewinddir(DIR *dp)
{
/* Re-set to the beginning */
char *filespec;
long handle;
int index;

_findclose(dp->handle);

dp->offset = 0;
dp->finished = 0;

filespec = malloc(strlen(dp->dir) + 2 + 1);
strcpy(filespec, dp->dir);
index = strlen(filespec) - 1;
if (index >= 0 && (filespec[index] == '/' || filespec[index] == '\\'))
filespec[index] = '\0';
strcat(filespec, "/*");

if ((handle = _findfirst(filespec, &(dp->fileinfo))) < 0) {
if (errno == ENOENT)
dp->finished = 1;
}
dp->handle = handle;
free(filespec);

return 0;
}
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