Con_DPrintf("fputs: %s: %s\n", prog->name, string);
}
+// EXT_WRATH file stuff
+
+/*
+=========
+VM_fcopy
+float fcopy(string fnfrom, string fnto)
+=========
+*/
+// float(string fnfrom, string fnto) fcopy = #650;
+// copies quake/gamedir/data/$fnfrom to quake/gamedir/data/$fnto
+// returns 0 on success, <0 on failure
+void VM_fcopy(prvm_prog_t *prog)
+{
+ char vabuf[1024];
+ char fbuf[VM_STRINGTEMP_LENGTH];
+ const char *fname1, *fname2;
+ qfile_t *f1, *f2;
+ fs_offset_t rx = 0, wx = 0;
+
+ VM_SAFEPARMCOUNT(2, VM_fcopy);
+ PRVM_G_FLOAT(OFS_RETURN) = 0;
+
+ fname1 = PRVM_G_STRING(OFS_PARM0);
+ fname2 = PRVM_G_STRING(OFS_PARM1);
+
+ f1 = FS_OpenVirtualFile(va(vabuf, sizeof(vabuf), "data/%s", fname1), false);
+ if (f1 == NULL)
+ f1 = FS_OpenVirtualFile(va(vabuf, sizeof(vabuf), "%s", fname1), false);
+ if (f1 == NULL)
+ {
+ PRVM_G_FLOAT(OFS_RETURN) = -1;
+ VM_Warning(prog, "VM_fcopy: %s could not open file %s for reading\n", prog->name, fname1);
+ return;
+ }
+
+ f2 = FS_OpenRealFile(va(vabuf, sizeof(vabuf), "data/%s", fname2), "wb", false);
+ if (f2 == NULL)
+ {
+ FS_Close(f1);
+ PRVM_G_FLOAT(OFS_RETURN) = -2;
+ VM_Warning(prog, "VM_fcopy: %s could not open file %s for writing\n", prog->name, fname2);
+ return;
+ }
+
+ while ((rx = FS_Read(f1, fbuf, sizeof(fbuf)-1)) > 0) {
+ wx = FS_Write(f2, fbuf, rx);
+ if (wx != rx)
+ {
+ FS_Close(f1);
+ FS_Close(f2);
+ PRVM_G_FLOAT(OFS_RETURN) = -3;
+ VM_Warning(prog, "VM_fcopy: %s read %I64d from %s but wrote %I64d to %s\n", prog->name, rx, fname1, wx, fname2);
+ return;
+ }
+ }
+
+ if (wx == 0)
+ VM_Warning(prog, "VM_fcopy: %s wrote 0 bytes to %s\n", prog->name, fname2);
+ FS_Close(f1);
+ FS_Close(f2);
+}
+
+/*
+=========
+VM_frename
+float frename(string fnold, string fnnew)
+=========
+*/
+// float(string fnold, string fnnew) frename = #651;
+// renames quake/gamedir/data/$fnold to quake/gamedir/data/$fnnew
+// returns 0 on success, <0 on failure
+void VM_frename(prvm_prog_t *prog)
+{
+ char vabuf1[1024], vabuf2[1024];
+ const char *fname1, *fname2;
+ int err = 0;
+
+ VM_SAFEPARMCOUNT(2, VM_frename);
+ fname1 = PRVM_G_STRING(OFS_PARM0);
+ fname2 = PRVM_G_STRING(OFS_PARM1);
+
+ if (FS_CheckNastyPath(fname1, true))
+ {
+ PRVM_G_FLOAT(OFS_RETURN) = -1;
+ VM_Warning(prog, "VM_frename: %s rejects nasty path %s\n", prog->name, vabuf1);
+ return;
+ }
+
+ if (FS_CheckNastyPath(fname2, true))
+ {
+ PRVM_G_FLOAT(OFS_RETURN) = -2;
+ VM_Warning(prog, "VM_frename: %s rejects nasty path %s\n", prog->name, vabuf2);
+ return;
+ }
+
+ dpsnprintf(vabuf1, sizeof(vabuf1), "%s/data/%s", fs_gamedir, fname1);
+ dpsnprintf(vabuf2, sizeof(vabuf2), "%s/data/%s", fs_gamedir, fname2);
+
+ if (!FS_SysFileExists(vabuf1))
+ {
+ PRVM_G_FLOAT(OFS_RETURN) = -3;
+ VM_Warning(prog, "VM_frename: %s can't find %s\n", prog->name, vabuf1);
+ return;
+ }
+
+ if (FS_SysFileExists(vabuf2))
+ {
+ PRVM_G_FLOAT(OFS_RETURN) = -4;
+ VM_Warning(prog, "VM_frename: %s file %s already exists\n", prog->name, vabuf2);
+ return;
+ }
+
+ if ((err = rename(vabuf1, vabuf2)) != 0)
+ {
+ PRVM_G_FLOAT(OFS_RETURN) = -5;
+ VM_Warning(prog, "VM_frename: %s could not rename %s to %s\n", prog->name, vabuf1, vabuf2);
+ return;
+ }
+
+ PRVM_G_FLOAT(OFS_RETURN) = 0;
+}
+
+/*
+=========
+VM_fremove
+float fremove(string fname)
+=========
+*/
+// float(string fname) fremove = #652;
+// removes quake/gamedir/data/$fname
+// returns 0 on success, <0 on failure
+void VM_fremove(prvm_prog_t *prog)
+{
+ const char *fname;
+ char vabuf[1024] = { 0 };
+ int err = 0;
+
+ VM_SAFEPARMCOUNT(1, VM_fremove);
+ fname = PRVM_G_STRING(OFS_PARM0);
+
+ if (FS_CheckNastyPath(fname, true))
+ {
+ PRVM_G_FLOAT(OFS_RETURN) = -1;
+ VM_Warning(prog, "VM_fremove: %s rejects nasty path %s\n", prog->name, vabuf);
+ return;
+ }
+
+ if (dpsnprintf(vabuf, sizeof(vabuf), "%s/data/%s", fs_gamedir, fname) >= (int)sizeof(vabuf))
+ {
+ PRVM_G_FLOAT(OFS_RETURN) = -2;
+ VM_Warning(prog, "VM_fremove: %s rejects path %s as too long\n", prog->name, vabuf);
+ return;
+ }
+
+ if (!FS_SysFileExists(vabuf))
+ {
+ PRVM_G_FLOAT(OFS_RETURN) = -3;
+ VM_Warning(prog, "VM_fremove: %s can't find %s\n", prog->name, vabuf);
+ return;
+ }
+
+ if ((err = remove(vabuf)) != 0)
+ {
+ PRVM_G_FLOAT(OFS_RETURN) = -4;
+ VM_Warning(prog, "VM_fremove: %s could not remove %s\n", prog->name, vabuf);
+ return;
+ }
+
+ PRVM_G_FLOAT(OFS_RETURN) = 0;
+}
+
+/*
+=========
+VM_fexists
+float fexists(string filename)
+=========
+*/
+// float(string filename) fexists = #653;
+// checks if quake/gamedir/$fname exists without opening it
+// returns not 0 if it exists, 0 if it does not
+void VM_fexists(prvm_prog_t *prog)
+{
+ const char *fname;
+ char vabuf[1024] = { 0 };
+
+ VM_SAFEPARMCOUNT(1, VM_fexists);
+ fname = PRVM_G_STRING(OFS_PARM0);
+
+ if (FS_CheckNastyPath(fname, true))
+ {
+ PRVM_G_FLOAT(OFS_RETURN) = 0;
+ VM_Warning(prog, "VM_fexists: %s rejects nasty path %s\n", prog->name, vabuf);
+ return;
+ }
+
+ dpsnprintf(vabuf, sizeof(vabuf), "%s/%s", fs_gamedir, fname);
+ PRVM_G_FLOAT(OFS_RETURN) = FS_SysFileExists(vabuf);
+}
+
+/*
+=========
+VM_rmtree
+float rmtree(string path)
+=========
+*/
+// float(string path) rmtree = #654;
+// removes the directory "data/$path" and all of its contents
+// returns 0 on success, !=0 on failure
+void VM_rmtree(prvm_prog_t *prog)
+{
+ const char *fname;
+ char vabuf[1024] = { 0 };
+
+ VM_SAFEPARMCOUNT(1, VM_rmtree);
+ fname = PRVM_G_STRING(OFS_PARM0);
+
+ if (FS_CheckNastyPath(fname, true))
+ {
+ PRVM_G_FLOAT(OFS_RETURN) = -1;
+ VM_Warning(prog, "VM_rmtree: %s rejects nasty path %s\n", prog->name, vabuf);
+ return;
+ }
+
+ if (dpsnprintf(vabuf, sizeof(vabuf), "%s/data/%s", fs_gamedir, fname) >= (int)sizeof(vabuf))
+ {
+ PRVM_G_FLOAT(OFS_RETURN) = -2;
+ VM_Warning(prog, "VM_fremove: %s rejects path %s as too long\n", prog->name, vabuf);
+ return;
+ }
+
+ PRVM_G_FLOAT(OFS_RETURN) = FS_rmtree(vabuf);
+}
+
/*
=========
VM_writetofile
--- /dev/null
+/*
+ * Dirent interface for Microsoft Visual Studio
+ * Version 1.23.1
+ *
+ * Copyright (C) 2006-2012 Toni Ronkko
+ * This file is part of dirent. Dirent may be freely distributed
+ * under the MIT license. For all details and documentation, see
+ * https://github.com/tronkko/dirent
+ */
+#ifndef DIRENT_H
+#define DIRENT_H
+
+/*
+ * Include windows.h without Windows Sockets 1.1 to prevent conflicts with
+ * Windows Sockets 2.0.
+ */
+#ifndef WIN32_LEAN_AND_MEAN
+# define WIN32_LEAN_AND_MEAN
+#endif
+#include <windows.h>
+
+#include <stdio.h>
+#include <stdarg.h>
+#include <wchar.h>
+#include <string.h>
+#include <stdlib.h>
+#include <malloc.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <errno.h>
+
+/* Indicates that d_type field is available in dirent structure */
+#define _DIRENT_HAVE_D_TYPE
+
+/* Indicates that d_namlen field is available in dirent structure */
+#define _DIRENT_HAVE_D_NAMLEN
+
+/* Entries missing from MSVC 6.0 */
+#if !defined(FILE_ATTRIBUTE_DEVICE)
+# define FILE_ATTRIBUTE_DEVICE 0x40
+#endif
+
+/* File type and permission flags for stat(), general mask */
+#if !defined(S_IFMT)
+# define S_IFMT _S_IFMT
+#endif
+
+/* Directory bit */
+#if !defined(S_IFDIR)
+# define S_IFDIR _S_IFDIR
+#endif
+
+/* Character device bit */
+#if !defined(S_IFCHR)
+# define S_IFCHR _S_IFCHR
+#endif
+
+/* Pipe bit */
+#if !defined(S_IFFIFO)
+# define S_IFFIFO _S_IFFIFO
+#endif
+
+/* Regular file bit */
+#if !defined(S_IFREG)
+# define S_IFREG _S_IFREG
+#endif
+
+/* Read permission */
+#if !defined(S_IREAD)
+# define S_IREAD _S_IREAD
+#endif
+
+/* Write permission */
+#if !defined(S_IWRITE)
+# define S_IWRITE _S_IWRITE
+#endif
+
+/* Execute permission */
+#if !defined(S_IEXEC)
+# define S_IEXEC _S_IEXEC
+#endif
+
+/* Pipe */
+#if !defined(S_IFIFO)
+# define S_IFIFO _S_IFIFO
+#endif
+
+/* Block device */
+#if !defined(S_IFBLK)
+# define S_IFBLK 0
+#endif
+
+/* Link */
+#if !defined(S_IFLNK)
+# define S_IFLNK 0
+#endif
+
+/* Socket */
+#if !defined(S_IFSOCK)
+# define S_IFSOCK 0
+#endif
+
+/* Read user permission */
+#if !defined(S_IRUSR)
+# define S_IRUSR S_IREAD
+#endif
+
+/* Write user permission */
+#if !defined(S_IWUSR)
+# define S_IWUSR S_IWRITE
+#endif
+
+/* Execute user permission */
+#if !defined(S_IXUSR)
+# define S_IXUSR 0
+#endif
+
+/* Read group permission */
+#if !defined(S_IRGRP)
+# define S_IRGRP 0
+#endif
+
+/* Write group permission */
+#if !defined(S_IWGRP)
+# define S_IWGRP 0
+#endif
+
+/* Execute group permission */
+#if !defined(S_IXGRP)
+# define S_IXGRP 0
+#endif
+
+/* Read others permission */
+#if !defined(S_IROTH)
+# define S_IROTH 0
+#endif
+
+/* Write others permission */
+#if !defined(S_IWOTH)
+# define S_IWOTH 0
+#endif
+
+/* Execute others permission */
+#if !defined(S_IXOTH)
+# define S_IXOTH 0
+#endif
+
+/* Maximum length of file name */
+#if !defined(PATH_MAX)
+# define PATH_MAX MAX_PATH
+#endif
+#if !defined(FILENAME_MAX)
+# define FILENAME_MAX MAX_PATH
+#endif
+#if !defined(NAME_MAX)
+# define NAME_MAX FILENAME_MAX
+#endif
+
+/* File type flags for d_type */
+#define DT_UNKNOWN 0
+#define DT_REG S_IFREG
+#define DT_DIR S_IFDIR
+#define DT_FIFO S_IFIFO
+#define DT_SOCK S_IFSOCK
+#define DT_CHR S_IFCHR
+#define DT_BLK S_IFBLK
+#define DT_LNK S_IFLNK
+
+/* Macros for converting between st_mode and d_type */
+#define IFTODT(mode) ((mode) & S_IFMT)
+#define DTTOIF(type) (type)
+
+/*
+ * File type macros. Note that block devices, sockets and links cannot be
+ * distinguished on Windows and the macros S_ISBLK, S_ISSOCK and S_ISLNK are
+ * only defined for compatibility. These macros should always return false
+ * on Windows.
+ */
+#if !defined(S_ISFIFO)
+# define S_ISFIFO(mode) (((mode) & S_IFMT) == S_IFIFO)
+#endif
+#if !defined(S_ISDIR)
+# define S_ISDIR(mode) (((mode) & S_IFMT) == S_IFDIR)
+#endif
+#if !defined(S_ISREG)
+# define S_ISREG(mode) (((mode) & S_IFMT) == S_IFREG)
+#endif
+#if !defined(S_ISLNK)
+# define S_ISLNK(mode) (((mode) & S_IFMT) == S_IFLNK)
+#endif
+#if !defined(S_ISSOCK)
+# define S_ISSOCK(mode) (((mode) & S_IFMT) == S_IFSOCK)
+#endif
+#if !defined(S_ISCHR)
+# define S_ISCHR(mode) (((mode) & S_IFMT) == S_IFCHR)
+#endif
+#if !defined(S_ISBLK)
+# define S_ISBLK(mode) (((mode) & S_IFMT) == S_IFBLK)
+#endif
+
+/* Return the exact length of the file name without zero terminator */
+#define _D_EXACT_NAMLEN(p) ((p)->d_namlen)
+
+/* Return the maximum size of a file name */
+#define _D_ALLOC_NAMLEN(p) ((PATH_MAX)+1)
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/* Wide-character version */
+struct _wdirent {
+ /* Always zero */
+ long d_ino;
+
+ /* File position within stream */
+ long d_off;
+
+ /* Structure size */
+ unsigned short d_reclen;
+
+ /* Length of name without \0 */
+ size_t d_namlen;
+
+ /* File type */
+ int d_type;
+
+ /* File name */
+ wchar_t d_name[PATH_MAX+1];
+};
+typedef struct _wdirent _wdirent;
+
+struct _WDIR {
+ /* Current directory entry */
+ struct _wdirent ent;
+
+ /* Private file data */
+ WIN32_FIND_DATAW data;
+
+ /* True if data is valid */
+ int cached;
+
+ /* Win32 search handle */
+ HANDLE handle;
+
+ /* Initial directory name */
+ wchar_t *patt;
+};
+typedef struct _WDIR _WDIR;
+
+/* Multi-byte character version */
+struct dirent {
+ /* Always zero */
+ long d_ino;
+
+ /* File position within stream */
+ long d_off;
+
+ /* Structure size */
+ unsigned short d_reclen;
+
+ /* Length of name without \0 */
+ size_t d_namlen;
+
+ /* File type */
+ int d_type;
+
+ /* File name */
+ char d_name[PATH_MAX+1];
+};
+typedef struct dirent dirent;
+
+struct DIR {
+ struct dirent ent;
+ struct _WDIR *wdirp;
+};
+typedef struct DIR DIR;
+
+
+/* Dirent functions */
+static DIR *opendir (const char *dirname);
+static _WDIR *_wopendir (const wchar_t *dirname);
+
+static struct dirent *readdir (DIR *dirp);
+static struct _wdirent *_wreaddir (_WDIR *dirp);
+
+static int readdir_r(
+ DIR *dirp, struct dirent *entry, struct dirent **result);
+static int _wreaddir_r(
+ _WDIR *dirp, struct _wdirent *entry, struct _wdirent **result);
+
+static int closedir (DIR *dirp);
+static int _wclosedir (_WDIR *dirp);
+
+static void rewinddir (DIR* dirp);
+static void _wrewinddir (_WDIR* dirp);
+
+static int scandir (const char *dirname, struct dirent ***namelist,
+ int (*filter)(const struct dirent*),
+ int (*compare)(const struct dirent**, const struct dirent**));
+
+static int alphasort (const struct dirent **a, const struct dirent **b);
+
+static int versionsort (const struct dirent **a, const struct dirent **b);
+
+
+/* For compatibility with Symbian */
+#define wdirent _wdirent
+#define WDIR _WDIR
+#define wopendir _wopendir
+#define wreaddir _wreaddir
+#define wclosedir _wclosedir
+#define wrewinddir _wrewinddir
+
+
+/* Internal utility functions */
+static WIN32_FIND_DATAW *dirent_first (_WDIR *dirp);
+static WIN32_FIND_DATAW *dirent_next (_WDIR *dirp);
+
+static int dirent_mbstowcs_s(
+ size_t *pReturnValue,
+ wchar_t *wcstr,
+ size_t sizeInWords,
+ const char *mbstr,
+ size_t count);
+
+static int dirent_wcstombs_s(
+ size_t *pReturnValue,
+ char *mbstr,
+ size_t sizeInBytes,
+ const wchar_t *wcstr,
+ size_t count);
+
+static void dirent_set_errno (int error);
+
+
+/*
+ * Open directory stream DIRNAME for read and return a pointer to the
+ * internal working area that is used to retrieve individual directory
+ * entries.
+ */
+static _WDIR*
+_wopendir(
+ const wchar_t *dirname)
+{
+ _WDIR *dirp = NULL;
+ int error;
+
+ /* Must have directory name */
+ if (dirname == NULL || dirname[0] == '\0') {
+ dirent_set_errno (ENOENT);
+ return NULL;
+ }
+
+ /* Allocate new _WDIR structure */
+ dirp = (_WDIR*) malloc (sizeof (struct _WDIR));
+ if (dirp != NULL) {
+ DWORD n;
+
+ /* Reset _WDIR structure */
+ dirp->handle = INVALID_HANDLE_VALUE;
+ dirp->patt = NULL;
+ dirp->cached = 0;
+
+ /* Compute the length of full path plus zero terminator
+ *
+ * Note that on WinRT there's no way to convert relative paths
+ * into absolute paths, so just assume it is an absolute path.
+ */
+# if defined(WINAPI_FAMILY) && (WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP)
+ n = wcslen(dirname);
+# else
+ n = GetFullPathNameW (dirname, 0, NULL, NULL);
+# endif
+
+ /* Allocate room for absolute directory name and search pattern */
+ dirp->patt = (wchar_t*) malloc (sizeof (wchar_t) * n + 16);
+ if (dirp->patt) {
+
+ /*
+ * Convert relative directory name to an absolute one. This
+ * allows rewinddir() to function correctly even when current
+ * working directory is changed between opendir() and rewinddir().
+ *
+ * Note that on WinRT there's no way to convert relative paths
+ * into absolute paths, so just assume it is an absolute path.
+ */
+# if defined(WINAPI_FAMILY) && (WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP)
+ wcsncpy_s(dirp->patt, n+1, dirname, n);
+# else
+ n = GetFullPathNameW (dirname, n, dirp->patt, NULL);
+# endif
+ if (n > 0) {
+ wchar_t *p;
+
+ /* Append search pattern \* to the directory name */
+ p = dirp->patt + n;
+ if (dirp->patt < p) {
+ switch (p[-1]) {
+ case '\\':
+ case '/':
+ case ':':
+ /* Directory ends in path separator, e.g. c:\temp\ */
+ /*NOP*/;
+ break;
+
+ default:
+ /* Directory name doesn't end in path separator */
+ *p++ = '\\';
+ }
+ }
+ *p++ = '*';
+ *p = '\0';
+
+ /* Open directory stream and retrieve the first entry */
+ if (dirent_first (dirp)) {
+ /* Directory stream opened successfully */
+ error = 0;
+ } else {
+ /* Cannot retrieve first entry */
+ error = 1;
+ dirent_set_errno (ENOENT);
+ }
+
+ } else {
+ /* Cannot retrieve full path name */
+ dirent_set_errno (ENOENT);
+ error = 1;
+ }
+
+ } else {
+ /* Cannot allocate memory for search pattern */
+ error = 1;
+ }
+
+ } else {
+ /* Cannot allocate _WDIR structure */
+ error = 1;
+ }
+
+ /* Clean up in case of error */
+ if (error && dirp) {
+ _wclosedir (dirp);
+ dirp = NULL;
+ }
+
+ return dirp;
+}
+
+/*
+ * Read next directory entry.
+ *
+ * Returns pointer to static directory entry which may be overwritten by
+ * subsequent calls to _wreaddir().
+ */
+static struct _wdirent*
+_wreaddir(
+ _WDIR *dirp)
+{
+ struct _wdirent *entry;
+
+ /*
+ * Read directory entry to buffer. We can safely ignore the return value
+ * as entry will be set to NULL in case of error.
+ */
+ (void) _wreaddir_r (dirp, &dirp->ent, &entry);
+
+ /* Return pointer to statically allocated directory entry */
+ return entry;
+}
+
+/*
+ * Read next directory entry.
+ *
+ * Returns zero on success. If end of directory stream is reached, then sets
+ * result to NULL and returns zero.
+ */
+static int
+_wreaddir_r(
+ _WDIR *dirp,
+ struct _wdirent *entry,
+ struct _wdirent **result)
+{
+ WIN32_FIND_DATAW *datap;
+
+ /* Read next directory entry */
+ datap = dirent_next (dirp);
+ if (datap) {
+ size_t n;
+ DWORD attr;
+
+ /*
+ * Copy file name as wide-character string. If the file name is too
+ * long to fit in to the destination buffer, then truncate file name
+ * to PATH_MAX characters and zero-terminate the buffer.
+ */
+ n = 0;
+ while (n < PATH_MAX && datap->cFileName[n] != 0) {
+ entry->d_name[n] = datap->cFileName[n];
+ n++;
+ }
+ entry->d_name[n] = 0;
+
+ /* Length of file name excluding zero terminator */
+ entry->d_namlen = n;
+
+ /* File type */
+ attr = datap->dwFileAttributes;
+ if ((attr & FILE_ATTRIBUTE_DEVICE) != 0) {
+ entry->d_type = DT_CHR;
+ } else if ((attr & FILE_ATTRIBUTE_DIRECTORY) != 0) {
+ entry->d_type = DT_DIR;
+ } else {
+ entry->d_type = DT_REG;
+ }
+
+ /* Reset dummy fields */
+ entry->d_ino = 0;
+ entry->d_off = 0;
+ entry->d_reclen = sizeof (struct _wdirent);
+
+ /* Set result address */
+ *result = entry;
+
+ } else {
+
+ /* Return NULL to indicate end of directory */
+ *result = NULL;
+
+ }
+
+ return /*OK*/0;
+}
+
+/*
+ * Close directory stream opened by opendir() function. This invalidates the
+ * DIR structure as well as any directory entry read previously by
+ * _wreaddir().
+ */
+static int
+_wclosedir(
+ _WDIR *dirp)
+{
+ int ok;
+ if (dirp) {
+
+ /* Release search handle */
+ if (dirp->handle != INVALID_HANDLE_VALUE) {
+ FindClose (dirp->handle);
+ dirp->handle = INVALID_HANDLE_VALUE;
+ }
+
+ /* Release search pattern */
+ if (dirp->patt) {
+ free (dirp->patt);
+ dirp->patt = NULL;
+ }
+
+ /* Release directory structure */
+ free (dirp);
+ ok = /*success*/0;
+
+ } else {
+
+ /* Invalid directory stream */
+ dirent_set_errno (EBADF);
+ ok = /*failure*/-1;
+
+ }
+ return ok;
+}
+
+/*
+ * Rewind directory stream such that _wreaddir() returns the very first
+ * file name again.
+ */
+static void
+_wrewinddir(
+ _WDIR* dirp)
+{
+ if (dirp) {
+ /* Release existing search handle */
+ if (dirp->handle != INVALID_HANDLE_VALUE) {
+ FindClose (dirp->handle);
+ }
+
+ /* Open new search handle */
+ dirent_first (dirp);
+ }
+}
+
+/* Get first directory entry (internal) */
+static WIN32_FIND_DATAW*
+dirent_first(
+ _WDIR *dirp)
+{
+ WIN32_FIND_DATAW *datap;
+
+ /* Open directory and retrieve the first entry */
+ dirp->handle = FindFirstFileExW(
+ dirp->patt, FindExInfoStandard, &dirp->data,
+ FindExSearchNameMatch, NULL, 0);
+ if (dirp->handle != INVALID_HANDLE_VALUE) {
+
+ /* a directory entry is now waiting in memory */
+ datap = &dirp->data;
+ dirp->cached = 1;
+
+ } else {
+
+ /* Failed to re-open directory: no directory entry in memory */
+ dirp->cached = 0;
+ datap = NULL;
+
+ }
+ return datap;
+}
+
+/*
+ * Get next directory entry (internal).
+ *
+ * Returns
+ */
+static WIN32_FIND_DATAW*
+dirent_next(
+ _WDIR *dirp)
+{
+ WIN32_FIND_DATAW *p;
+
+ /* Get next directory entry */
+ if (dirp->cached != 0) {
+
+ /* A valid directory entry already in memory */
+ p = &dirp->data;
+ dirp->cached = 0;
+
+ } else if (dirp->handle != INVALID_HANDLE_VALUE) {
+
+ /* Get the next directory entry from stream */
+ if (FindNextFileW (dirp->handle, &dirp->data) != FALSE) {
+ /* Got a file */
+ p = &dirp->data;
+ } else {
+ /* The very last entry has been processed or an error occurred */
+ FindClose (dirp->handle);
+ dirp->handle = INVALID_HANDLE_VALUE;
+ p = NULL;
+ }
+
+ } else {
+
+ /* End of directory stream reached */
+ p = NULL;
+
+ }
+
+ return p;
+}
+
+/*
+ * Open directory stream using plain old C-string.
+ */
+static DIR*
+opendir(
+ const char *dirname)
+{
+ struct DIR *dirp;
+ int error;
+
+ /* Must have directory name */
+ if (dirname == NULL || dirname[0] == '\0') {
+ dirent_set_errno (ENOENT);
+ return NULL;
+ }
+
+ /* Allocate memory for DIR structure */
+ dirp = (DIR*) malloc (sizeof (struct DIR));
+ if (dirp) {
+ wchar_t wname[PATH_MAX + 1];
+ size_t n;
+
+ /* Convert directory name to wide-character string */
+ error = dirent_mbstowcs_s(
+ &n, wname, PATH_MAX + 1, dirname, PATH_MAX + 1);
+ if (!error) {
+
+ /* Open directory stream using wide-character name */
+ dirp->wdirp = _wopendir (wname);
+ if (dirp->wdirp) {
+ /* Directory stream opened */
+ error = 0;
+ } else {
+ /* Failed to open directory stream */
+ error = 1;
+ }
+
+ } else {
+ /*
+ * Cannot convert file name to wide-character string. This
+ * occurs if the string contains invalid multi-byte sequences or
+ * the output buffer is too small to contain the resulting
+ * string.
+ */
+ error = 1;
+ }
+
+ } else {
+ /* Cannot allocate DIR structure */
+ error = 1;
+ }
+
+ /* Clean up in case of error */
+ if (error && dirp) {
+ free (dirp);
+ dirp = NULL;
+ }
+
+ return dirp;
+}
+
+/*
+ * Read next directory entry.
+ */
+static struct dirent*
+readdir(
+ DIR *dirp)
+{
+ struct dirent *entry;
+
+ /*
+ * Read directory entry to buffer. We can safely ignore the return value
+ * as entry will be set to NULL in case of error.
+ */
+ (void) readdir_r (dirp, &dirp->ent, &entry);
+
+ /* Return pointer to statically allocated directory entry */
+ return entry;
+}
+
+/*
+ * Read next directory entry into called-allocated buffer.
+ *
+ * Returns zero on success. If the end of directory stream is reached, then
+ * sets result to NULL and returns zero.
+ */
+static int
+readdir_r(
+ DIR *dirp,
+ struct dirent *entry,
+ struct dirent **result)
+{
+ WIN32_FIND_DATAW *datap;
+
+ /* Read next directory entry */
+ datap = dirent_next (dirp->wdirp);
+ if (datap) {
+ size_t n;
+ int error;
+
+ /* Attempt to convert file name to multi-byte string */
+ error = dirent_wcstombs_s(
+ &n, entry->d_name, PATH_MAX + 1, datap->cFileName, PATH_MAX + 1);
+
+ /*
+ * If the file name cannot be represented by a multi-byte string,
+ * then attempt to use old 8+3 file name. This allows traditional
+ * Unix-code to access some file names despite of unicode
+ * characters, although file names may seem unfamiliar to the user.
+ *
+ * Be ware that the code below cannot come up with a short file
+ * name unless the file system provides one. At least
+ * VirtualBox shared folders fail to do this.
+ */
+ if (error && datap->cAlternateFileName[0] != '\0') {
+ error = dirent_wcstombs_s(
+ &n, entry->d_name, PATH_MAX + 1,
+ datap->cAlternateFileName, PATH_MAX + 1);
+ }
+
+ if (!error) {
+ DWORD attr;
+
+ /* Length of file name excluding zero terminator */
+ entry->d_namlen = n - 1;
+
+ /* File attributes */
+ attr = datap->dwFileAttributes;
+ if ((attr & FILE_ATTRIBUTE_DEVICE) != 0) {
+ entry->d_type = DT_CHR;
+ } else if ((attr & FILE_ATTRIBUTE_DIRECTORY) != 0) {
+ entry->d_type = DT_DIR;
+ } else {
+ entry->d_type = DT_REG;
+ }
+
+ /* Reset dummy fields */
+ entry->d_ino = 0;
+ entry->d_off = 0;
+ entry->d_reclen = sizeof (struct dirent);
+
+ } else {
+
+ /*
+ * Cannot convert file name to multi-byte string so construct
+ * an erroneous directory entry and return that. Note that
+ * we cannot return NULL as that would stop the processing
+ * of directory entries completely.
+ */
+ entry->d_name[0] = '?';
+ entry->d_name[1] = '\0';
+ entry->d_namlen = 1;
+ entry->d_type = DT_UNKNOWN;
+ entry->d_ino = 0;
+ entry->d_off = -1;
+ entry->d_reclen = 0;
+
+ }
+
+ /* Return pointer to directory entry */
+ *result = entry;
+
+ } else {
+
+ /* No more directory entries */
+ *result = NULL;
+
+ }
+
+ return /*OK*/0;
+}
+
+/*
+ * Close directory stream.
+ */
+static int
+closedir(
+ DIR *dirp)
+{
+ int ok;
+ if (dirp) {
+
+ /* Close wide-character directory stream */
+ ok = _wclosedir (dirp->wdirp);
+ dirp->wdirp = NULL;
+
+ /* Release multi-byte character version */
+ free (dirp);
+
+ } else {
+
+ /* Invalid directory stream */
+ dirent_set_errno (EBADF);
+ ok = /*failure*/-1;
+
+ }
+ return ok;
+}
+
+/*
+ * Rewind directory stream to beginning.
+ */
+static void
+rewinddir(
+ DIR* dirp)
+{
+ /* Rewind wide-character string directory stream */
+ _wrewinddir (dirp->wdirp);
+}
+
+/*
+ * Scan directory for entries.
+ */
+static int
+scandir(
+ const char *dirname,
+ struct dirent ***namelist,
+ int (*filter)(const struct dirent*),
+ int (*compare)(const struct dirent**, const struct dirent**))
+{
+ struct dirent **files = NULL;
+ size_t size = 0;
+ size_t allocated = 0;
+ const size_t init_size = 1;
+ DIR *dir = NULL;
+ struct dirent *entry;
+ struct dirent *tmp = NULL;
+ size_t i;
+ int result = 0;
+
+ /* Open directory stream */
+ dir = opendir (dirname);
+ if (dir) {
+
+ /* Read directory entries to memory */
+ while (1) {
+
+ /* Enlarge pointer table to make room for another pointer */
+ if (size >= allocated) {
+ void *p;
+ size_t num_entries;
+
+ /* Compute number of entries in the enlarged pointer table */
+ if (size < init_size) {
+ /* Allocate initial pointer table */
+ num_entries = init_size;
+ } else {
+ /* Double the size */
+ num_entries = size * 2;
+ }
+
+ /* Allocate first pointer table or enlarge existing table */
+ p = realloc (files, sizeof (void*) * num_entries);
+ if (p != NULL) {
+ /* Got the memory */
+ files = (dirent**) p;
+ allocated = num_entries;
+ } else {
+ /* Out of memory */
+ result = -1;
+ break;
+ }
+
+ }
+
+ /* Allocate room for temporary directory entry */
+ if (tmp == NULL) {
+ tmp = (struct dirent*) malloc (sizeof (struct dirent));
+ if (tmp == NULL) {
+ /* Cannot allocate temporary directory entry */
+ result = -1;
+ break;
+ }
+ }
+
+ /* Read directory entry to temporary area */
+ if (readdir_r (dir, tmp, &entry) == /*OK*/0) {
+
+ /* Did we get an entry? */
+ if (entry != NULL) {
+ int pass;
+
+ /* Determine whether to include the entry in result */
+ if (filter) {
+ /* Let the filter function decide */
+ pass = filter (tmp);
+ } else {
+ /* No filter function, include everything */
+ pass = 1;
+ }
+
+ if (pass) {
+ /* Store the temporary entry to pointer table */
+ files[size++] = tmp;
+ tmp = NULL;
+
+ /* Keep up with the number of files */
+ result++;
+ }
+
+ } else {
+
+ /*
+ * End of directory stream reached => sort entries and
+ * exit.
+ */
+ qsort (files, size, sizeof (void*),
+ (int (*) (const void*, const void*)) compare);
+ break;
+
+ }
+
+ } else {
+ /* Error reading directory entry */
+ result = /*Error*/ -1;
+ break;
+ }
+
+ }
+
+ } else {
+ /* Cannot open directory */
+ result = /*Error*/ -1;
+ }
+
+ /* Release temporary directory entry */
+ if (tmp) {
+ free (tmp);
+ }
+
+ /* Release allocated memory on error */
+ if (result < 0) {
+ for (i = 0; i < size; i++) {
+ free (files[i]);
+ }
+ free (files);
+ files = NULL;
+ }
+
+ /* Close directory stream */
+ if (dir) {
+ closedir (dir);
+ }
+
+ /* Pass pointer table to caller */
+ if (namelist) {
+ *namelist = files;
+ }
+ return result;
+}
+
+/* Alphabetical sorting */
+static int
+alphasort(
+ const struct dirent **a, const struct dirent **b)
+{
+ return strcoll ((*a)->d_name, (*b)->d_name);
+}
+
+/* Sort versions */
+static int
+versionsort(
+ const struct dirent **a, const struct dirent **b)
+{
+ /* FIXME: implement strverscmp and use that */
+ return alphasort (a, b);
+}
+
+
+/* Convert multi-byte string to wide character string */
+static int
+dirent_mbstowcs_s(
+ size_t *pReturnValue,
+ wchar_t *wcstr,
+ size_t sizeInWords,
+ const char *mbstr,
+ size_t count)
+{
+ int error;
+
+#if defined(_MSC_VER) && _MSC_VER >= 1400
+
+ /* Microsoft Visual Studio 2005 or later */
+ error = mbstowcs_s (pReturnValue, wcstr, sizeInWords, mbstr, count);
+
+#else
+
+ /* Older Visual Studio or non-Microsoft compiler */
+ size_t n;
+
+ /* Convert to wide-character string (or count characters) */
+ n = mbstowcs (wcstr, mbstr, sizeInWords);
+ if (!wcstr || n < count) {
+
+ /* Zero-terminate output buffer */
+ if (wcstr && sizeInWords) {
+ if (n >= sizeInWords) {
+ n = sizeInWords - 1;
+ }
+ wcstr[n] = 0;
+ }
+
+ /* Length of resulting multi-byte string WITH zero terminator */
+ if (pReturnValue) {
+ *pReturnValue = n + 1;
+ }
+
+ /* Success */
+ error = 0;
+
+ } else {
+
+ /* Could not convert string */
+ error = 1;
+
+ }
+
+#endif
+
+ return error;
+}
+
+/* Convert wide-character string to multi-byte string */
+static int
+dirent_wcstombs_s(
+ size_t *pReturnValue,
+ char *mbstr,
+ size_t sizeInBytes, /* max size of mbstr */
+ const wchar_t *wcstr,
+ size_t count)
+{
+ int error;
+
+#if defined(_MSC_VER) && _MSC_VER >= 1400
+
+ /* Microsoft Visual Studio 2005 or later */
+ error = wcstombs_s (pReturnValue, mbstr, sizeInBytes, wcstr, count);
+
+#else
+
+ /* Older Visual Studio or non-Microsoft compiler */
+ size_t n;
+
+ /* Convert to multi-byte string (or count the number of bytes needed) */
+ n = wcstombs (mbstr, wcstr, sizeInBytes);
+ if (!mbstr || n < count) {
+
+ /* Zero-terminate output buffer */
+ if (mbstr && sizeInBytes) {
+ if (n >= sizeInBytes) {
+ n = sizeInBytes - 1;
+ }
+ mbstr[n] = '\0';
+ }
+
+ /* Length of resulting multi-bytes string WITH zero-terminator */
+ if (pReturnValue) {
+ *pReturnValue = n + 1;
+ }
+
+ /* Success */
+ error = 0;
+
+ } else {
+
+ /* Cannot convert string */
+ error = 1;
+
+ }
+
+#endif
+
+ return error;
+}
+
+/* Set errno variable */
+static void
+dirent_set_errno(
+ int error)
+{
+#if defined(_MSC_VER) && _MSC_VER >= 1400
+
+ /* Microsoft Visual Studio 2005 and later */
+ _set_errno (error);
+
+#else
+
+ /* Non-Microsoft compiler or older Microsoft compiler */
+ errno = error;
+
+#endif
+}
+
+
+#ifdef __cplusplus
+}
+#endif
+#endif /*DIRENT_H*/
projects / xonotic / darkplaces.git / commitdiff