Details | Last modification | View Log | RSS feed
| Rev | Author | Line No. | Line |
|---|---|---|---|
| 614 | serge | 1 | /**************************************************************************** |
| 2 | * |
||
| 3 | * Open Watcom Project |
||
| 4 | * |
||
| 5 | * Portions Copyright (c) 1983-2002 Sybase, Inc. All Rights Reserved. |
||
| 6 | * |
||
| 7 | * ======================================================================== |
||
| 8 | * |
||
| 9 | * This file contains Original Code and/or Modifications of Original |
||
| 10 | * Code as defined in and that are subject to the Sybase Open Watcom |
||
| 11 | * Public License version 1.0 (the 'License'). You may not use this file |
||
| 12 | * except in compliance with the License. BY USING THIS FILE YOU AGREE TO |
||
| 13 | * ALL TERMS AND CONDITIONS OF THE LICENSE. A copy of the License is |
||
| 14 | * provided with the Original Code and Modifications, and is also |
||
| 15 | * available at www.sybase.com/developer/opensource. |
||
| 16 | * |
||
| 17 | * The Original Code and all software distributed under the License are |
||
| 18 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
||
| 19 | * EXPRESS OR IMPLIED, AND SYBASE AND ALL CONTRIBUTORS HEREBY DISCLAIM |
||
| 20 | * ALL SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF |
||
| 21 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR |
||
| 22 | * NON-INFRINGEMENT. Please see the License for the specific language |
||
| 23 | * governing rights and limitations under the License. |
||
| 24 | * |
||
| 25 | * ======================================================================== |
||
| 26 | * |
||
| 27 | * Description: Implementation of fgets() - read string from stream. |
||
| 28 | * |
||
| 29 | ****************************************************************************/ |
||
| 30 | |||
| 31 | |||
| 32 | #include "variety.h" |
||
| 33 | #include "widechar.h" |
||
| 34 | #include |
||
| 35 | #include "fileacc.h" |
||
| 36 | |||
| 37 | |||
| 38 | _WCRTLINK CHAR_TYPE *__F_NAME(fgets,fgetws)( CHAR_TYPE *s, int n, FILE *fp ) |
||
| 39 | { |
||
| 40 | INTCHAR_TYPE c; |
||
| 41 | CHAR_TYPE *cs; |
||
| 42 | unsigned oflag; |
||
| 43 | |||
| 44 | _ValidFile( fp, 0 ); |
||
| 45 | _AccessFile( fp ); |
||
| 46 | |||
| 47 | oflag = fp->_flag & (_SFERR | _EOF); /* 06-sep-91 */ |
||
| 48 | fp->_flag &= ~(_SFERR | _EOF); |
||
| 49 | cs = s; |
||
| 50 | |||
| 51 | /* don't use macro version of getc: multi-threading issues */ |
||
| 52 | while( (--n > 0) && (c = __F_NAME(fgetc,fgetwc)( fp )) != __F_NAME(EOF,WEOF) ) { |
||
| 53 | if( (*cs++ = c) == __F_NAME('\n',L'\n') ) |
||
| 54 | break; |
||
| 55 | } |
||
| 56 | |||
| 57 | if( c == __F_NAME(EOF,WEOF) && (cs == s || ferror( fp )) ) { |
||
| 58 | s = NULL; |
||
| 59 | } else { |
||
| 60 | *cs = NULLCHAR; |
||
| 61 | } |
||
| 62 | fp->_flag |= oflag; /* 06-sep-91 */ |
||
| 63 | _ReleaseFile( fp ); |
||
| 64 | return( s ); |
||
| 65 | } |