update CLib

git-svn-id: svn://kolibrios.org@614 a494cfbc-eb01-0410-851d-a64ba20cac60
2007-08-28 10:31:46 +00:00
parent 52facee6d5
commit 3be3768ce0
98 changed files with 9908 additions and 0 deletions
--- a/watcom/trunk/clib/streamio/tmputil.c
+++ b/watcom/trunk/clib/streamio/tmputil.c
@@ -0,0 +1,138 @@
+/****************************************************************************
+*
+*                            Open Watcom Project
+*
+*    Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved.
+*
+*  ========================================================================
+*
+*    This file contains Original Code and/or Modifications of Original
+*    Code as defined in and that are subject to the Sybase Open Watcom
+*    Public License version 1.0 (the 'License'). You may not use this file
+*    except in compliance with the License. BY USING THIS FILE YOU AGREE TO
+*    ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is
+*    provided with the Original Code and Modifications, and is also
+*    available at www.sybase.com/developer/opensource.
+*
+*    The Original Code and all software distributed under the License are
+*    distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+*    EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM
+*    ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF
+*    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR
+*    NON-INFRINGEMENT. Please see the License for the specific language
+*    governing rights and limitations under the License.
+*
+*  ========================================================================
+*
+* Description:  Internal helper routines __MkTmpFile() and __RmTmpFile().
+*
+****************************************************************************/
+
+
+#include "variety.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <direct.h>
+#include <string.h>
+#include <process.h>
+#include "rtdata.h"
+#include "tmpfname.h"
+
+
+static unsigned __GetTmpPath( char *buf )
+{
+#ifndef __NETWARE__
+    static char *evars[] = { "TMP", "TEMP", "TMPDIR", "TEMPDIR", "" };
+    char        **evar;
+    char        *tmp;
+#endif
+    unsigned    i;
+
+    buf[0] = '\0';  // initialize path
+#ifdef __NETWARE__
+    getcwd( buf, PATH_MAX );    // No environment vars on Netware
+#else
+    for( evar = evars; **evar; ++evar ) {
+        tmp = getenv( *evar );
+        if( (tmp != NULL) && (strlen( tmp ) <= PATH_MAX) ) {
+            tmp = _fullpath( buf, tmp, PATH_MAX );
+            break;
+        }
+    }
+    /*
+     * If we didn't match on any environment vars, get current working dir
+     */
+    if( buf[0] == '\0' ) {
+        getcwd( buf, PATH_MAX );
+    }
+#endif
+
+    // if last char is not a path delimiter then append one
+    i = strlen( buf );
+    if( i > 0 ) i--;
+    if( (buf[i] != '\\') && (buf[i] != '/') ) {
+        // if buf[i] is a null char then the following has no effect as planned
+        i++;
+        buf[i] = '\\';
+        i++;
+        buf[i] = '\0';
+    }
+    return( i );
+}
+
+static char __hex( int num )
+{
+    num += '0';
+    if( num > '9' ) {
+        num += 'a' - '0' - 10;
+    }
+    return( num );
+}
+
+#if defined( __NETWARE__ )
+    extern int              GetThreadID( void );
+    #define getuniqueid()   GetThreadID()
+#elif defined( __NT__ )
+    #define getuniqueid()   ((getpid() << 12) + *_threadid)
+#elif defined( __OS2__ )
+    #define getuniqueid()   ((getpid() << 12) + *_threadid)
+#else
+    #define getuniqueid()   (getpid())
+#endif
+
+void __MkTmpFile( char *buf, int num )
+{
+    unsigned    pid;
+    unsigned    i;
+    char        *ptr;
+
+    pid = getuniqueid();
+//  JBS on Win32 pid's range from 0 to n where n is not very large for
+//  most systems (e.g. 500 would indicate many, many processes are active).
+//  #if defined(__386__) || defined(__AXP__) || defined(__PPC__)
+//      // try to use more of the 32bit pid bits
+//      pid |= pid >> 16;
+//  #endif
+
+    i = __GetTmpPath( buf );
+    ptr = &buf[ i ];
+    ptr[0] = 't';
+    for( i = 7; i != 0; i-- ) {     // JBS use 7 hex digits instead of 4
+        ptr[i] = __hex( pid & 0x000F );
+        pid = pid >> 4;
+    }
+    ptr[8] = '.';
+    ptr[9] = 't';
+    ptr[10] = __hex( (num >> 4) & 0x000F );
+    ptr[11] = __hex( num & 0x000F );
+    ptr[12] = '\0';
+}
+
+void __RmTmpFile( FILE *fp )
+{
+    char    name[PATH_MAX + _TMPFNAME_LENGTH + 1]; /* 02-aug-90 */
+
+    __MkTmpFile( name, _FP_TMPFCHAR(fp) );
+    remove( name );
+}