int21 find move
György 'Nog' Jeney
nog at sdf.lonestar.org
Sat Jan 18 09:35:52 CST 2003
> I hope that at least this section of my attempt at the int21 move is
> acceptable. I have revised the code a little to use seemingly simpler
> constructs.
>
> ChangeLog:
> * dlls/winedos/int21.c
> * msdos/int21.c
> * include/file.h
> * include/msdos.h
> * files/dos_fs.c
> Move Find functions and FCB parsing functions to winedos.
>
I've sent this patch quite a wile ago and it still hasn't been commited
and I didn't see any comments on it. Is there any reason for this?
nog.
-------------- next part --------------
--- ../cleanwine/msdos/int21.c 2002-12-11 08:17:20.000000000 +0200
+++ msdos/int21.c 2002-12-12 10:05:43.000000000 +0200
@@ -154,15 +154,6 @@
return TRUE;
}
-static BYTE *GetCurrentDTA( CONTEXT86 *context )
-{
- TDB *pTask = TASK_GetCurrent();
-
- /* FIXME: This assumes DTA was set correctly! */
- return (BYTE *)CTX_SEG_OFF_TO_LIN( context, SELECTOROF(pTask->dta),
- (DWORD)OFFSETOF(pTask->dta) );
-}
-
void CreateBPB(int drive, BYTE *data, BOOL16 limited)
/* limited == TRUE is used with INT 0x21/0x440d */
@@ -419,50 +410,6 @@
return FALSE;
}
-static void INT21_ParseFileNameIntoFCB( CONTEXT86 *context )
-{
- char *filename =
- CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Esi );
- char *fcb =
- CTX_SEG_OFF_TO_LIN(context, context->SegEs, context->Edi );
- char *s;
- WCHAR *buffer;
- WCHAR fcbW[12];
- INT buffer_len, len;
-
- SET_AL( context, 0xff ); /* failed */
-
- TRACE("filename: '%s'\n", filename);
-
- s = filename;
- len = 0;
- while (*s)
- {
- if ((*s != ' ') && (*s != '\r') && (*s != '\n'))
- {
- s++;
- len++;
- }
- else
- break;
- }
-
- buffer_len = MultiByteToWideChar(CP_OEMCP, 0, filename, len, NULL, 0);
- buffer = HeapAlloc( GetProcessHeap(), 0, (buffer_len + 1) * sizeof(WCHAR));
- len = MultiByteToWideChar(CP_OEMCP, 0, filename, len, buffer, buffer_len);
- buffer[len] = 0;
- DOSFS_ToDosFCBFormat(buffer, fcbW);
- HeapFree(GetProcessHeap(), 0, buffer);
- WideCharToMultiByte(CP_OEMCP, 0, fcbW, 12, fcb + 1, 12, NULL, NULL);
- *fcb = 0;
- TRACE("FCB: '%s'\n", fcb + 1);
-
- SET_AL( context, ((strchr(filename, '*')) || (strchr(filename, '$'))) != 0 );
-
- /* point DS:SI to first unparsed character */
- SET_SI( context, context->Esi + (int)s - (int)filename );
-}
-
/* Many calls translate a drive argument like this:
drive number (00h = default, 01h = A:, etc)
@@ -619,91 +566,6 @@
}
-static int INT21_FindFirst( CONTEXT86 *context )
-{
- char *p;
- const char *path;
- DOS_FULL_NAME full_name;
- FINDFILE_DTA *dta = (FINDFILE_DTA *)GetCurrentDTA(context);
- WCHAR pathW[MAX_PATH];
- WCHAR maskW[12];
-
- path = (const char *)CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
- MultiByteToWideChar(CP_OEMCP, 0, path, -1, pathW, MAX_PATH);
-
- dta->unixPath = NULL;
- if (!DOSFS_GetFullName( pathW, FALSE, &full_name ))
- {
- SET_AX( context, GetLastError() );
- SET_CFLAG(context);
- return 0;
- }
- dta->unixPath = HeapAlloc( GetProcessHeap(), 0, strlen(full_name.long_name)+1 );
- strcpy( dta->unixPath, full_name.long_name );
- p = strrchr( dta->unixPath, '/' );
- *p = ' ';
-
- MultiByteToWideChar(CP_OEMCP, 0, p + 1, -1, pathW, MAX_PATH);
-
- /* Note: terminating NULL in dta->mask overwrites dta->search_attr
- * (doesn't matter as it is set below anyway)
- */
- if (!DOSFS_ToDosFCBFormat( pathW, maskW ))
- {
- HeapFree( GetProcessHeap(), 0, dta->unixPath );
- dta->unixPath = NULL;
- SetLastError( ERROR_FILE_NOT_FOUND );
- SET_AX( context, ERROR_FILE_NOT_FOUND );
- SET_CFLAG(context);
- return 0;
- }
- WideCharToMultiByte(CP_OEMCP, 0, maskW, 12, dta->mask, sizeof(dta->mask), NULL, NULL);
- dta->drive = (path[0] && (path[1] == ':')) ? toupper(path[0]) - 'A'
- : DRIVE_GetCurrentDrive();
- dta->count = 0;
- dta->search_attr = CL_reg(context);
- return 1;
-}
-
-
-static int INT21_FindNext( CONTEXT86 *context )
-{
- FINDFILE_DTA *dta = (FINDFILE_DTA *)GetCurrentDTA(context);
- WIN32_FIND_DATAA entry;
- int count;
-
- if (!dta->unixPath) return 0;
- if (!(count = DOSFS_FindNext( dta->unixPath, dta->mask, NULL, dta->drive,
- dta->search_attr, dta->count, &entry )))
- {
- HeapFree( GetProcessHeap(), 0, dta->unixPath );
- dta->unixPath = NULL;
- return 0;
- }
- if ((int)dta->count + count > 0xffff)
- {
- WARN("Too many directory entries in %s\n", dta->unixPath );
- HeapFree( GetProcessHeap(), 0, dta->unixPath );
- dta->unixPath = NULL;
- return 0;
- }
- dta->count += count;
- dta->fileattr = entry.dwFileAttributes;
- dta->filesize = entry.nFileSizeLow;
- FileTimeToDosDateTime( &entry.ftLastWriteTime,
- &dta->filedate, &dta->filetime );
- strcpy( dta->filename, entry.cAlternateFileName );
- if (!memchr(dta->mask,'?',11)) {
- /* wildcardless search, release resources in case no findnext will
- * be issued, and as a workaround in case file creation messes up
- * findnext, as sometimes happens with pkunzip */
- HeapFree( GetProcessHeap(), 0, dta->unixPath );
- dta->unixPath = NULL;
- }
- return 1;
-}
-
-
static BOOL INT21_CreateTempFile( CONTEXT86 *context )
{
static int counter = 0;
@@ -784,99 +646,6 @@
/* microsoft's programmers should be shot for using CP/M style int21
calls in Windows for Workgroup's winfile.exe */
-static int INT21_FindFirstFCB( CONTEXT86 *context )
-{
- BYTE *fcb = (BYTE *)CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
- FINDFILE_FCB *pFCB;
- LPCSTR root, cwd;
- int drive;
-
- if (*fcb == 0xff) pFCB = (FINDFILE_FCB *)(fcb + 7);
- else pFCB = (FINDFILE_FCB *)fcb;
- drive = DOS_GET_DRIVE( pFCB->drive );
- if (!DRIVE_IsValid( drive )) return 0;
- root = DRIVE_GetRoot( drive );
- cwd = DRIVE_GetUnixCwd( drive );
- pFCB->unixPath = HeapAlloc( GetProcessHeap(), 0,
- strlen(root)+strlen(cwd)+2 );
- if (!pFCB->unixPath) return 0;
- strcpy( pFCB->unixPath, root );
- strcat( pFCB->unixPath, "/" );
- strcat( pFCB->unixPath, cwd );
- pFCB->count = 0;
- return 1;
-}
-
-
-static int INT21_FindNextFCB( CONTEXT86 *context )
-{
- BYTE *fcb = (BYTE *)CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx);
- FINDFILE_FCB *pFCB;
- DOS_DIRENTRY_LAYOUT *pResult = (DOS_DIRENTRY_LAYOUT *)GetCurrentDTA(context);
- WIN32_FIND_DATAA entry;
- BYTE attr;
- int count;
-
- if (*fcb == 0xff) /* extended FCB ? */
- {
- attr = fcb[6];
- pFCB = (FINDFILE_FCB *)(fcb + 7);
- }
- else
- {
- attr = 0;
- pFCB = (FINDFILE_FCB *)fcb;
- }
-
- if (!pFCB->unixPath) return 0;
- if (!(count = DOSFS_FindNext( pFCB->unixPath, pFCB->filename, NULL,
- DOS_GET_DRIVE( pFCB->drive ), attr,
- pFCB->count, &entry )))
- {
- HeapFree( GetProcessHeap(), 0, pFCB->unixPath );
- pFCB->unixPath = NULL;
- return 0;
- }
- pFCB->count += count;
-
- if (*fcb == 0xff) { /* place extended FCB header before pResult if called with extended FCB */
- *(BYTE *)pResult = 0xff;
- (BYTE *)pResult +=6; /* leave reserved field behind */
- *(BYTE *)pResult = entry.dwFileAttributes;
- ((BYTE *)pResult)++;
- }
- *(BYTE *)pResult = DOS_GET_DRIVE( pFCB->drive ); /* DOS_DIRENTRY_LAYOUT after current drive number */
- ((BYTE *)pResult)++;
- pResult->fileattr = entry.dwFileAttributes;
- pResult->cluster = 0; /* what else? */
- pResult->filesize = entry.nFileSizeLow;
- memset( pResult->reserved, 0, sizeof(pResult->reserved) );
- FileTimeToDosDateTime( &entry.ftLastWriteTime,
- &pResult->filedate, &pResult->filetime );
-
- /* Convert file name to FCB format */
-
- memset( pResult->filename, ' ', sizeof(pResult->filename) );
- if (!strcmp( entry.cAlternateFileName, "." )) pResult->filename[0] = '.';
- else if (!strcmp( entry.cAlternateFileName, ".." ))
- pResult->filename[0] = pResult->filename[1] = '.';
- else
- {
- char *p = strrchr( entry.cAlternateFileName, '.' );
- if (p && p[1] && (p != entry.cAlternateFileName))
- {
- memcpy( pResult->filename, entry.cAlternateFileName,
- min( (p - entry.cAlternateFileName), 8 ) );
- memcpy( pResult->filename + 8, p + 1, min( strlen(p), 3 ) );
- }
- else
- memcpy( pResult->filename, entry.cAlternateFileName,
- min( strlen(entry.cAlternateFileName), 8 ) );
- }
- return 1;
-}
-
-
static void DeleteFileFCB( CONTEXT86 *context )
{
FIXME("(%p): stub\n", context);
@@ -1019,20 +788,6 @@
SET_AL( context, MAX_DOS_DRIVES );
break;
- case 0x11: /* FIND FIRST MATCHING FILE USING FCB */
- TRACE("FIND FIRST MATCHING FILE USING FCB %p\n",
- CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx));
- if (!INT21_FindFirstFCB(context))
- {
- SET_AL( context, 0xff );
- break;
- }
- /* else fall through */
-
- case 0x12: /* FIND NEXT MATCHING FILE USING FCB */
- SET_AL( context, INT21_FindNextFCB(context) ? 0x00 : 0xff );
- break;
-
case 0x13: /* DELETE FILE USING FCB */
DeleteFileFCB(context);
break;
@@ -1066,10 +821,6 @@
GetDrivePB(context, DRIVE_GetCurrentDrive());
break;
- case 0x29: /* PARSE FILENAME INTO FCB */
- INT21_ParseFileNameIntoFCB(context);
- break;
-
case 0x2f: /* GET DISK TRANSFER AREA ADDRESS */
TRACE("GET DISK TRANSFER AREA ADDRESS\n");
{
@@ -1483,23 +1234,6 @@
if (AX_reg(context) < 32) SET_CFLAG(context);
break;
- case 0x4e: /* "FINDFIRST" - FIND FIRST MATCHING FILE */
- TRACE("FINDFIRST mask 0x%04x spec %s\n",CX_reg(context),
- (LPCSTR)CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx));
- if (!INT21_FindFirst(context)) break;
- /* fall through */
-
- case 0x4f: /* "FINDNEXT" - FIND NEXT MATCHING FILE */
- TRACE("FINDNEXT\n");
- if (!INT21_FindNext(context))
- {
- SetLastError( ERROR_NO_MORE_FILES );
- SET_AX( context, ERROR_NO_MORE_FILES );
- SET_CFLAG(context);
- }
- else SET_AX( context, 0 ); /* OK */
- break;
-
case 0x56: /* "RENAME" - RENAME FILE */
TRACE("RENAME %s to %s\n",
(LPCSTR)CTX_SEG_OFF_TO_LIN(context, context->SegDs,context->Edx),
--- ../cleanwine/include/file.h 2002-11-24 03:18:29.000000000 +0200
+++ include/file.h 2002-12-12 10:37:32.000000000 +0200
@@ -104,9 +104,6 @@
INT long_len, LPWSTR short_buf, BOOL ignore_case );
extern BOOL DOSFS_GetFullName( LPCWSTR name, BOOL check_last,
DOS_FULL_NAME *full );
-extern int DOSFS_FindNext( const char *path, const char *short_mask,
- const char *long_mask, int drive, BYTE attr,
- int skip, WIN32_FIND_DATAA *entry );
/* profile.c */
extern void PROFILE_UsageWineIni(void);
--- ../cleanwine/include/msdos.h 2002-12-10 19:04:30.000000000 +0200
+++ include/msdos.h 2002-12-12 10:08:08.000000000 +0200
@@ -44,7 +44,7 @@
BYTE search_attr; /* 0c search attributes */
WORD count; /* 0d entry count within directory */
WORD cluster; /* 0f cluster of parent directory */
- char *unixPath; /* 11 unix path (was: reserved) */
+ void *handle; /* 11 windows find handle (was: reserved) */
BYTE fileattr; /* 15 file attributes */
WORD filetime; /* 16 file time */
WORD filedate; /* 18 file date */
@@ -57,8 +57,8 @@
{
BYTE drive; /* 00 drive letter */
char filename[11]; /* 01 filename 8+3 format */
- int count; /* 0c entry count (was: reserved) */
- char *unixPath; /* 10 unix path (was: reserved) */
+ int reserved; /* 0c reserved */
+ void *findh; /* 10 windows find handle (was: reserved) */
} FINDFILE_FCB;
/* DOS directory entry for FindFirstFCB/FindNextFCB */
--- ../cleanwine/dlls/winedos/int21.c 2002-12-11 08:17:13.000000000 +0200
+++ dlls/winedos/int21.c 2002-12-12 13:01:20.000000000 +0200
@@ -6,6 +6,7 @@
* Copyright 1997 Andreas Mohr
* Copyright 1998 Uwe Bonnes
* Copyright 1998, 1999 Ove Kaaven
+ * Copyright 2002 Gyorgy 'Nog' Jeney
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@@ -33,6 +34,7 @@
#include "msdos.h"
#include "file.h"
#include "winerror.h"
+#include "task.h"
#include "wine/unicode.h"
#include "wine/debug.h"
@@ -389,6 +391,531 @@
/***********************************************************************
+ * INT21_GetDosDrive
+ *
+ * Returns a 0 based identifier of the dos drive passed to it. If it is 0
+ * then it returns the current drive.
+ *
+ * PARAMS:
+ * drive [I]: The drive whose 0 based id to return.
+ *
+ * RETURNS:
+ * Zero based drive ID.
+ */
+static int INT21_GetDosDrive(int drive)
+{
+ if (drive)
+ return drive - 1;
+ else {
+ char root[MAX_PATH];
+ GetCurrentDirectoryA( MAX_PATH, root );
+ return toupper( *root ) - 'A';
+ }
+}
+
+
+/***********************************************************************
+ * INT21_IsDriveValid
+ *
+ * Check to see if the 0 based drive ID passed to it is valid
+ *
+ * PARAMS:
+ * drive [I]: Drive to check for validity.
+ *
+ * RETURNS:
+ * 0: Drive is invalid.
+ * 1: Drive is valid.
+ */
+static int INT21_IsDriveValid(int drive)
+{
+ char driveA[] = "A:\\";
+ UINT res;
+
+ *driveA += drive;
+ res = GetDriveTypeA( driveA );
+
+ if ((res == DRIVE_NO_ROOT_DIR) || (res == DRIVE_UNKNOWN))
+ return 0;
+
+ return 1;
+}
+
+
+/***********************************************************************
+ * INT21_GetCurrentDirectory
+ *
+ * Returns the current directory for a given drive.
+ *
+ * PARAMS:
+ * ptr [O]: Pointer to a buffer to hold the directory.
+ * driveg [I]: Drive who's current directory is to be retrieved.
+ *
+ * RETURNS:
+ * TRUE: Sucessful.
+ * FALSE: Failure.
+ *
+ * NOTES:
+ * Mabe we should check if the directory is a valid dos directory name.
+ */
+static BOOL INT21_GetCurrentDirectory(char *ptr, int driveg)
+{
+ int drive = INT21_GetDosDrive(driveg);
+ int defdrive = INT21_GetDosDrive(0);
+ char curdir[MAX_PATH];
+
+ if (!INT21_IsDriveValid(drive)) {
+ SetLastError(ERROR_INVALID_DRIVE);
+ return FALSE;
+ }
+
+ if (defdrive != drive) {
+ char driveA[] = "a:";
+ *driveA += drive;
+ SetCurrentDirectoryA( driveA );
+ }
+
+ if (GetCurrentDirectoryA( MAX_PATH, curdir )) {
+ GetShortPathNameA( curdir, ptr, 63 );
+ /* remove the drive previx */
+ strcpy(ptr, curdir + 3);
+ }
+
+ if (defdrive != drive) {
+ char driveA[] = "a:";
+ *driveA += defdrive;
+ SetCurrentDirectoryA( driveA );
+ }
+
+ ptr[63] = 0; /* ensure 0 termination */
+
+ TRACE( "Current directory in drive %d is %s\n", drive, ptr );
+
+ return TRUE;
+}
+
+
+/***********************************************************************
+ * INT21_GetCurrentDTA
+ *
+ * Returns a pointer to the current DTA.
+ */
+static BYTE *INT21_GetCurrentDTA(CONTEXT86 * context)
+{
+ TDB *pTask = GlobalLock16( GetCurrentTask() );
+
+ return (BYTE *) CTX_SEG_OFF_TO_LIN( context, SELECTOROF(pTask->dta),
+ (DWORD) OFFSETOF(pTask->dta) );
+}
+
+
+/***********************************************************************
+ * INT21_ParseToFCB
+ *
+ * Parses a filename to a valid FCB file name according to pcontrol.
+ *
+ * PARAMS:
+ * file [I]: Valid Dos filename.
+ * fcb [O]: Pointer to buffer to hold FCB
+ * pcontrol [I]: What to do if there are filename bits missing.
+ * drive [O]: The drive that is mentioned in the filename.
+ * unparsed [O]: Location of the first unparsed char relative to the filename. *
+ * RETURNS:
+ * TRUE: There are wild cards in the filename.
+ * FALSE: There are no wild cards in the filename.
+ */
+static BOOL INT21_ParseToFCB(const char *file, char *fcb, BYTE pcontrol,
+ int *drive, int *unparsed)
+{
+ int len = 0;
+ const char *lastback = NULL;
+ BOOL ext = FALSE;
+ BOOL wild = FALSE;
+ char nfcb[12];
+
+ TRACE( "filename: %s control: %02x\n", file, pcontrol );
+
+ while(file[len] && (file[len] != ' ') && (file[len] != '\r') &&
+ (file[len] != '\n')) {
+ if (file[len] == '\\')
+ lastback = &file[len + 1];
+ len++;
+ }
+
+ /* Check to see if a drive was specified */
+ if (lastback && (*file != '\\')) {
+ /* There was a drive specified */
+ if (drive)
+ *drive = 'A' - toupper( *file );
+ } else {
+ /* Drive was not specified, see if we set the drive to zero or not */
+ if (!(pcontrol & 0x2))
+ if (drive)
+ *drive = 0;
+ }
+
+ if (!lastback)
+ lastback = file;
+
+ if (*lastback == '.') {
+ /* There is no filename specified */
+ if (!(pcontrol & 0x4)) /* Fill filename space with spaces */
+ memset( fcb, ' ', 8 );
+ len = 8;
+ lastback++;
+ ext = TRUE;
+ } else
+ len = 0;
+
+ for(; *lastback && (*lastback != ' ') && (*lastback != '\r') &&
+ (*lastback != '\n'); lastback++, len++) {
+ if (len == 12)
+ break;
+
+ switch (*lastback) {
+ case '.':
+ /* Pad the filname with spaces */
+ if (ext) {
+ TRACE( "Illeagel filename, it has more than one extension\n" );
+ len = 11;
+ } else {
+ memset( &fcb[len], ' ', 8 - len );
+ len = 7; /* the for construct will increment it */
+ ext = TRUE;
+ }
+ break;
+
+ case '*':
+ wild = TRUE;
+ /* Pad the rest of the filename with ?s */
+ if (ext) {
+ memset( &fcb[len], '?', 11 - len );
+ len = 11;
+ } else
+ memset( &fcb[len], '?', 8 - len );
+ break;
+
+ case '?':
+ wild = TRUE;
+ /* fall through */
+
+ default:
+ fcb[len] = toupper( *lastback );
+ }
+ }
+
+ if (!ext) {
+ /* check to see what we should do if there is no extension */
+ if (!(pcontrol & 0x8))
+ memset( fcb + 8, ' ', 3 );
+ } else if (len < 11)
+ /* pad the fcb extension with spaces */
+ memset( fcb + len, ' ', 11 - len );
+
+ memcpy( nfcb, fcb, 11 );
+
+ nfcb[11] = 0;
+
+ TRACE( "FCB: %s\n", nfcb );
+
+ if (unparsed)
+ *unparsed = lastback - file;
+
+ return wild;
+}
+
+
+/***********************************************************************
+ * INT21_FCBToFile
+ *
+ * Parses an FCB filename back to a normal filename.
+ *
+ * PARAMS:
+ * dest [O]: Pointer to buffer to hold filename.
+ * fcb [I]: FCB filename to parse.
+ *
+ * RETURNS:
+ * Nothing.
+ */
+static void INT21_FCBToFile(char *dest, char *fcb)
+{
+ int n;
+
+ TRACE( "FCB: %s\n", fcb );
+
+ for(n = 0; n < 11; n++, fcb++, dest++) {
+ if (n == 8) {
+ *dest = '.';
+ dest++;
+ }
+
+ if (*fcb != ' ')
+ *dest = *fcb;
+ }
+
+ *dest = 0;
+
+ TRACE( "Filname: %s\n", dest );
+}
+
+
+/***********************************************************************
+ * INT21_NextFile
+ *
+ * Helper function for Find{First|Next}{File|FCB}. Check to see if the
+ * attributes match and copies the relevent information from entry to
+ * to buffers.
+ *
+ * PARAMS:
+ * entry [I]: Pointer to a valid WIN32_FIND_DATAA as returned by
+ * Find{First|Next}FileA.
+ * file [O]: Pointer to a buffer to hold the filename.
+ * attr [O]: Pointer to a buffer to hold the attributes of the file.
+ * data [O]: Pointer to a buffer to hold the last acess date of the file.
+ * time [O]: Pointer to a buffer to hold the last acess time of the file.
+ * size [O]: Pointer to a buffer to hold the size of the file.
+ * findattr [I]: The search attributes.
+ *
+ * RETURNS:
+ * 0: Attributes don't match.
+ * 1: Attributes match.
+ */
+static int INT21_NextFile(WIN32_FIND_DATAA *entry, char *file, BYTE *attr,
+ WORD *date, WORD *time, DWORD *size, BYTE findattr)
+{
+ TRACE( "Attribute of found file: 0x%lx, find attributes: 0x%x\n",
+ entry->dwFileAttributes & 0x3f, findattr );
+
+ if ((findattr & entry->dwFileAttributes & 0x3f)) {
+ *attr = entry->dwFileAttributes;
+ FileTimeToDosDateTime( &entry->ftLastWriteTime, date, time );
+ *size = entry->nFileSizeLow;
+ strcpy( file, entry->cAlternateFileName );
+ TRACE( "Search attributes match, returning %s\n", file );
+ return 1;
+ }
+
+ *file = 0;
+ return 0;
+}
+
+
+/***********************************************************************
+ * INT21_FindFirst
+ *
+ * Implementation of the find fisrt function (0x4e).
+ */
+static int INT21_FindFirst(CONTEXT86 * context)
+{
+ const char *path;
+ FINDFILE_DTA *dta = (FINDFILE_DTA *)INT21_GetCurrentDTA( context );
+ int count = 0;
+ WIN32_FIND_DATAA entry;
+
+ path = (const char *)CTX_SEG_OFF_TO_LIN( context, context->SegDs,
+ context->Edx );
+
+ /* Fill in the DTA */
+ INT21_ParseToFCB( path, dta->mask, 0, NULL, NULL );
+ dta->search_attr = CX_reg( context );
+ if (!dta->search_attr) {
+ /* If attributes are 0 then we are to find files that have no attributes
+ * set, but since dos doesn't treat it this way, we won't. Dos treets
+ * it as find archive */
+ dta->search_attr = 0x20;
+ }
+ dta->count = 0;
+ dta->cluster = 0; /* What are we meant to do here ?? */
+ dta->drive = INT21_GetDosDrive(0);
+ *dta->filename = 0;
+
+ if ((dta->handle = FindFirstFileA(path, &entry)) == INVALID_HANDLE_VALUE)
+ return 0;
+
+ /* Loop until we find a file that matches the search attributes */
+ for(;; count++) {
+ if (!INT21_NextFile( &entry, dta->filename, &dta->fileattr,
+ &dta->filedate, &dta->filetime, &dta->filesize,
+ dta->search_attr )) {
+ /* Continue searching */
+ if (!FindNextFileA( dta->handle, &entry )) {
+ FindClose( dta->handle );
+ TRACE( "No matching files found\n" );
+ return 0;
+ }
+ } else
+ break;
+ }
+
+ if (!memchr( dta->mask, '?', 11 )) {
+ /* wildcardless search, release resources in case no findnext will
+ * be issued, and as a workaround in case file creation messes up
+ * findnext, as sometimes happens with pkunzip */
+ FindClose( dta->handle );
+ }
+
+ return 1;
+}
+
+
+/***********************************************************************
+ * INT21_FindNext
+ *
+ * Implementation of FindNext file function (0x4f).
+ */
+static int INT21_FindNext(CONTEXT86 * context)
+{
+ FINDFILE_DTA *dta = (FINDFILE_DTA *)INT21_GetCurrentDTA( context );
+ WIN32_FIND_DATAA entry;
+ int count = dta->count;
+
+ for(;; ++count) {
+ if (FindNextFileA( dta->handle, &entry )) {
+ if (INT21_NextFile( &entry, dta->filename, &dta->fileattr,
+ &dta->filedate, &dta->filetime, &dta->filesize,
+ dta->search_attr ))
+ return 1;
+ } else {
+ TRACE( "No more matching files found\n" );
+ *dta->filename = 0;
+ FindClose( dta->handle );
+ return 0;
+ }
+ }
+
+ return 1;
+}
+
+
+/***********************************************************************
+ * INT21_FindFirstFCB
+ *
+ * Implementation of Find First using FCB.
+ */
+static int INT21_FindFirstFCB(CONTEXT86 * context)
+{
+ FINDFILE_FCB *fcb;
+ BYTE *efcb = CTX_SEG_OFF_TO_LIN( context, context->SegDs, context->Edx );
+ char path[MAX_PATH];
+ HANDLE findh;
+ WIN32_FIND_DATAA entry;
+ DOS_DIRENTRY_LAYOUT *dta =
+ (DOS_DIRENTRY_LAYOUT *)INT21_GetCurrentDTA( context );
+ int attr = 0;
+
+ if (*efcb == 0xff) {
+ fcb = (FINDFILE_FCB *)(efcb + 7);
+ attr = efcb[6];
+ } else
+ fcb = (FINDFILE_FCB *) efcb;
+
+ if (!INT21_GetCurrentDirectory( path, fcb->drive ))
+ return 0;
+
+ memmove( path + 3, path, 63 );
+ memcpy( path, "A:\\", 3 );
+ *path += INT21_GetDosDrive( fcb->drive );
+
+ INT21_FCBToFile( &path[strlen(path) + 1], fcb->filename );
+
+ if ((findh = FindFirstFileA( path, &entry )) == INVALID_HANDLE_VALUE)
+ return 0;
+
+ if (*efcb == 0xff) {
+ *(BYTE *)dta = 0xff;
+ (BYTE *)dta += 7; /* Place the extended FCB header first */
+ }
+
+ /* DOS_DIRENTRY_LAYOUT after current drive number */
+ *(BYTE *) dta = INT21_GetDosDrive( fcb->drive );
+ ((BYTE *) dta)++;
+
+ for(;;) {
+ if (INT21_NextFile(&entry, path, &dta->fileattr, &dta->filedate,
+ &dta->filetime, &dta->filesize, attr)) {
+ INT21_ParseToFCB( path, dta->filename, 0, NULL, NULL );
+
+ if (*efcb == 0xff) {
+ ((BYTE *) dta)--;
+ *(BYTE *) dta = entry.dwFileAttributes;
+ }
+
+ break;
+ } else {
+ /* Continue searching */
+ if (!FindNextFileA( fcb->findh, &entry )) {
+ TRACE( "No more file found\n" );
+ FindClose( findh );
+ return 0;
+ }
+ }
+ }
+
+ if( !memchr(fcb->filename, '?', 11 )) {
+ /* wildcardless search, release resources in case no findnext will
+ * be issued, and as a workaround in case file creation messes up
+ * findnext, as sometimes happens with pkunzip */
+ FindClose( findh );
+ }
+
+ return 1;
+}
+
+
+/***********************************************************************
+ * INT21_FindNextFCB
+ *
+ * Implementation of FindNextFCB.
+ */
+static int INT21_FindNextFCB(CONTEXT86 * context)
+{
+ FINDFILE_FCB *fcb;
+ BYTE *efcb = CTX_SEG_OFF_TO_LIN( context, context->SegDs, context->Edx );
+ WIN32_FIND_DATAA entry;
+ DOS_DIRENTRY_LAYOUT *dta =
+ (DOS_DIRENTRY_LAYOUT *) INT21_GetCurrentDTA( context );
+ int attr = 0;
+ char file[MAX_PATH];
+
+ if (*efcb == 0xff) {
+ fcb = (FINDFILE_FCB *)(efcb + 7);
+ attr = efcb[6];
+ } else
+ fcb = (FINDFILE_FCB *) efcb;
+
+ if (*efcb == 0xff) {
+ *(BYTE *) dta = 0xff;
+ (BYTE *) dta += 7; /* Place the extended FCB header first */
+ }
+
+ /* DOS_DIRENTRY_LAYOUT after current drive number */
+ *(BYTE *) dta = INT21_GetDosDrive( fcb->drive );
+ ((BYTE *) dta)++;
+
+ for(;;) {
+ if (FindNextFileA( fcb->findh, &entry )) {
+ if (INT21_NextFile( &entry, file, &dta->fileattr, &dta->filedate,
+ &dta->filetime, &dta->filesize, attr))
+ break;
+ /* Continue searching */
+ } else {
+ TRACE( "No more file found\n" );
+ FindClose( fcb->findh );
+ return 0;
+ }
+ }
+
+ INT21_ParseToFCB( file, dta->filename, 0, NULL, NULL );
+
+ if (*efcb == 0xff) {
+ ((BYTE *) dta)--;
+ *(BYTE *) dta = entry.dwFileAttributes;
+ }
+
+ return 1;
+}
+
+
+/***********************************************************************
* INT21_Ioctl
*
* Handler for function 0x44.
@@ -705,7 +1232,15 @@
break;
case 0x11: /* FIND FIRST MATCHING FILE USING FCB */
+ TRACE("FIND FIRST MATCHING FILE USING FCB %p\n",
+ CTX_SEG_OFF_TO_LIN(context, context->SegDs, context->Edx));
+ SET_AL(context, INT21_FindFirstFCB(context) ? 0x00 : 0xff);
+ break;
+
case 0x12: /* FIND NEXT MATCHING FILE USING FCB */
+ SET_AL(context, INT21_FindNextFCB(context) ? 0x00 : 0xff);
+ break;
+
case 0x13: /* DELETE FILE USING FCB */
INT_Int21Handler( context );
break;
@@ -769,7 +1304,19 @@
break;
case 0x29: /* PARSE FILENAME INTO FCB */
- INT_Int21Handler( context );
+ {
+ FINDFILE_FCB *fcb = CTX_SEG_OFF_TO_LIN( context, context->SegEs,
+ context->Edi );
+ int unp;
+ if (INT21_ParseToFCB( CTX_SEG_OFF_TO_LIN(context, context->SegDs,
+ context->Esi), fcb->filename,
+ AL_reg(context), (int *)&fcb->drive, &unp ))
+ SET_AL( context, 1 );
+ else
+ SET_AL( context, 0 );
+
+ SET_SI( context, context->Esi + unp );
+ }
break;
case 0x2a: /* GET SYSTEM DATE */
@@ -993,8 +1540,21 @@
break;
case 0x4e: /* "FINDFIRST" - FIND FIRST MATCHING FILE */
+ TRACE("FINDFIRST mask 0x%04x spec %s\n", CX_reg(context),
+ (LPCSTR)CTX_SEG_OFF_TO_LIN(context,context->SegDs, context->Edx));
+ if(!INT21_FindFirst( context )) {
+ SetLastError( ERROR_NO_MORE_FILES );
+ bSetDOSExtendedError = TRUE;
+ }
+ break;
+
case 0x4f: /* "FINDNEXT" - FIND NEXT MATCHING FILE */
- INT_Int21Handler( context );
+ TRACE("FINDNEXT\n");
+ if(!INT21_FindNext( context )) {
+ SetLastError( ERROR_NO_MORE_FILES );
+ bSetDOSExtendedError = TRUE;
+ } else
+ SET_AX( context, 0 ); /* OK */
break;
case 0x50: /* SET CURRENT PROCESS ID (SET PSP ADDRESS) */
--- ../cleanwine/files/dos_fs.c 2002-12-14 07:54:56.000000000 +0200
+++ files/dos_fs.c 2002-12-18 15:51:11.000000000 +0200
@@ -1808,99 +1808,6 @@
return 0; /* End of directory */
}
-/***********************************************************************
- * DOSFS_FindNext
- *
- * Find the next matching file. Return the number of entries read to find
- * the matching one, or 0 if no more entries.
- * 'short_mask' is the 8.3 mask (in FCB format), 'long_mask' is the long
- * file name mask. Either or both can be NULL.
- *
- * NOTE: This is supposed to be only called by the int21 emulation
- * routines. Thus, we should own the Win16Mutex anyway.
- * Nevertheless, we explicitly enter it to ensure the static
- * directory cache is protected.
- */
-int DOSFS_FindNext( const char *path, const char *short_mask,
- const char *long_mask, int drive, BYTE attr,
- int skip, WIN32_FIND_DATAA *entry )
-{
- static FIND_FIRST_INFO info;
- LPCWSTR short_name, long_name;
- int count;
- UNICODE_STRING short_maskW, long_maskW;
- WIN32_FIND_DATAW entryW;
-
- TRACE("(%s, %s, %s, %x, %x, %x, %p)\n", debugstr_a(path),
- debugstr_a(short_mask), debugstr_a(long_mask), drive, attr, skip,
- entry);
-
- _EnterWin16Lock();
-
- RtlCreateUnicodeStringFromAsciiz(&short_maskW, short_mask);
- RtlCreateUnicodeStringFromAsciiz(&long_maskW, long_mask);
-
- /* Check the cached directory */
- if (!(info.u.dos_dir && info.path == path && !strcmpW(info.short_mask, short_maskW.Buffer)
- && !strcmpW(info.long_mask, long_maskW.Buffer) && info.drive == drive
- && info.attr == attr && info.cur_pos <= skip))
- {
- /* Not in the cache, open it anew */
- if (info.u.dos_dir) DOSFS_CloseDir( info.u.dos_dir );
-
- info.path = (LPSTR)path;
- RtlFreeHeap(GetProcessHeap(), 0, info.long_mask);
- RtlFreeHeap(GetProcessHeap(), 0, info.short_mask);
- info.long_mask = long_maskW.Buffer;
- info.short_mask = short_maskW.Buffer;
- info.attr = attr;
- info.drive = drive;
- info.cur_pos = 0;
- info.u.dos_dir = DOSFS_OpenDir( DRIVE_GetCodepage(drive), info.path );
- }
- else
- {
- RtlFreeUnicodeString(&short_maskW);
- RtlFreeUnicodeString(&long_maskW);
- }
-
- /* Skip to desired position */
- while (info.cur_pos < skip)
- if (info.u.dos_dir && DOSFS_ReadDir( info.u.dos_dir, &long_name, &short_name ))
- info.cur_pos++;
- else
- break;
-
- if (info.u.dos_dir && info.cur_pos == skip && DOSFS_FindNextEx( &info, &entryW ))
- {
- WideCharToMultiByte(CP_ACP, 0, entryW.cFileName, -1,
- entry->cFileName, sizeof(entry->cFileName), NULL, NULL);
- WideCharToMultiByte(CP_ACP, 0, entryW.cAlternateFileName, -1,
- entry->cAlternateFileName, sizeof(entry->cAlternateFileName), NULL, NULL);
- count = info.cur_pos - skip;
-
- entry->dwFileAttributes = entryW.dwFileAttributes;
- entry->nFileSizeHigh = entryW.nFileSizeHigh;
- entry->nFileSizeLow = entryW.nFileSizeLow;
- entry->ftCreationTime = entryW.ftCreationTime;
- entry->ftLastAccessTime = entryW.ftLastAccessTime;
- entry->ftLastWriteTime = entryW.ftLastWriteTime;
-
- }
- else
- count = 0;
-
- if (!count)
- {
- if (info.u.dos_dir) DOSFS_CloseDir( info.u.dos_dir );
- memset( &info, ' ', sizeof(info) );
- }
-
- _LeaveWin16Lock();
-
- return count;
-}
-
/*************************************************************************
* FindFirstFileExW (KERNEL32.@)
*/
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