develop/open_watcom: Post-SVN tidy

- Move source code from `trunk` into program root directory. - Update build files. - Note: Line endings standardised from `CRLF` > `LF`, so best to view diffs with whitespace changes hidden.
2025-05-24 13:38:52 +01:00
parent 515d1e92ad
commit c8cc441230
460 changed files with 7547 additions and 7547 deletions
--- a/watcom/clib/string/strchr.c
+++ b/watcom/clib/string/strchr.c
@@ -0,0 +1,125 @@
+/****************************************************************************
+*
+*                            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:  Implementation of strchr() and wcschr().
+*
+****************************************************************************/
+
+
+#include "variety.h"
+#include "widechar.h"
+#include <stddef.h>
+#include <string.h>
+#include "riscstr.h"
+
+#if defined(M_I86) && !defined(__WIDECHAR__)
+
+extern  char * _scan1();
+
+/* use scan1 to find the char we are looking for */
+
+#if defined(__SMALL_DATA__)
+#pragma aux    _scan1 = 0xad            /* L1:lodsw  */\
+                        0x38 0xd0       /* cmp al,dl */\
+                        0x74 0x20       /* je L3     */\
+                        0x84 0xc0       /* test al,al*/\
+                        0x74 0x19       /* je L2     */\
+                        0x38 0xd4       /* cmp ah,dl */\
+                        0x74 0x19       /* je L4     */\
+                        0x84 0xe4       /* test ah,ah*/\
+                        0x74 0x11       /* je L2     */\
+                        0xad            /* lodsw     */\
+                        0x38 0xd0       /* cmp al,dl */\
+                        0x74 0x0f       /* je L3     */\
+                        0x84 0xc0       /* test al,al*/\
+                        0x74 0x08       /* je L2     */\
+                        0x38 0xd4       /* cmp ah,dl */\
+                        0x74 0x08       /* je L4     */\
+                        0x84 0xe4       /* test ah,ah*/\
+                        0x75 0xde       /* jne L1    */\
+                        0x31 0xf6       /* L2:xor si,si */\
+                        0xa9            /* test ax,... */\
+                        0x4e            /* L3:dec si */\
+                        0x4e            /* L4:dec si */\
+                        parm caller [si] [dl]\
+                        value [si]\
+                        modify [ax si];
+#else
+#pragma aux    _scan1 = \
+                        0x1e            /* push ds */ \
+                        0x8e 0xd9       /* mov ds,cx */ \
+                        0x8c 0xda       /* mov dx,ds */\
+                        0xad            /* L1:lodsw  */\
+                        0x38 0xd8       /* cmp al,bl */\
+                        0x74 0x22       /* je L3     */\
+                        0x84 0xc0       /* test al,al*/\
+                        0x74 0x19       /* je L2     */\
+                        0x38 0xdc       /* cmp ah,bl */\
+                        0x74 0x1b       /* je L4     */\
+                        0x84 0xe4       /* test ah,ah*/\
+                        0x74 0x11       /* je L2     */\
+                        0xad            /* lodsw     */\
+                        0x38 0xd8       /* cmp al,bl */\
+                        0x74 0x11       /* je L3     */\
+                        0x84 0xc0       /* test al,al*/\
+                        0x74 0x08       /* je L2     */\
+                        0x38 0xdc       /* cmp ah,bl */\
+                        0x74 0x0a       /* je L4     */\
+                        0x84 0xe4       /* test ah,ah*/\
+                        0x75 0xde       /* jne L1    */\
+                        0x31 0xf6       /* L2:xor si,si*/\
+                        0x89 0xf2       /* mov dx,si */\
+                        0xa9            /* test ax,... */\
+                        0x4e            /* L3:dec si */\
+                        0x4e            /* L4:dec si */\
+                        0x1f            /* pop ds */ \
+                        parm caller [cx si] [bl]\
+                        value [dx si]\
+                        modify [ax dx si];
+#endif
+#endif
+
+
+/* locate the first occurrence of c in the initial n characters of the
+   string pointed to by s. The terminating null character is considered
+   to be part of the string.
+   If the character c is not found, NULL is returned.
+*/
+#undef  strchr
+
+
+#if defined(__RISCSTR__) && defined(__WIDECHAR__)
+ _WCRTLINK CHAR_TYPE *__simple_wcschr( const CHAR_TYPE *s, INTCHAR_TYPE c )
+#else
+ _WCRTLINK CHAR_TYPE *__F_NAME(strchr,wcschr)( const CHAR_TYPE *s, INTCHAR_TYPE c )
+#endif
+    {
+        CHAR_TYPE cc = c;
+        do {
+            if( *s == cc ) return( (CHAR_TYPE *)s );
+        } while( *s++ != NULLCHAR );
+        return( NULL );
+    }