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  1. /*
  2.  * Copyright (c) 1990 The Regents of the University of California.
  3.  * All rights reserved.
  4.  *
  5.  * Redistribution and use in source and binary forms are permitted
  6.  * provided that the above copyright notice and this paragraph are
  7.  * duplicated in all such forms and that any documentation,
  8.  * advertising materials, and other materials related to such
  9.  * distribution and use acknowledge that the software was developed
  10.  * by the University of California, Berkeley.  The name of the
  11.  * University may not be used to endorse or promote products derived
  12.  * from this software without specific prior written permission.
  13.  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
  14.  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  15.  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  16.  */
  17.  
  18. /*
  19. FUNCTION
  20. <<fputs>>---write a character string in a file or stream
  21.  
  22. INDEX
  23.         fputs
  24. INDEX
  25.         _fputs_r
  26.  
  27. ANSI_SYNOPSIS
  28.         #include <stdio.h>
  29.         int fputs(const char *<[s]>, FILE *<[fp]>);
  30.  
  31.         #include <stdio.h>
  32.         int _fputs_r(struct _reent *<[ptr]>, const char *<[s]>, FILE *<[fp]>);
  33.  
  34. TRAD_SYNOPSIS
  35.         #include <stdio.h>
  36.         int fputs(<[s]>, <[fp]>)
  37.         char *<[s]>;
  38.         FILE *<[fp]>;
  39.  
  40.         #include <stdio.h>
  41.         int _fputs_r(<[ptr]>, <[s]>, <[fp]>)
  42.         struct _reent *<[ptr]>;
  43.         char *<[s]>;
  44.         FILE *<[fp]>;
  45.  
  46. DESCRIPTION
  47. <<fputs>> writes the string at <[s]> (but without the trailing null)
  48. to the file or stream identified by <[fp]>.
  49.  
  50. <<_fputs_r>> is simply the reentrant version of <<fputs>> that takes
  51. an additional reentrant struct pointer argument: <[ptr]>.
  52.  
  53. RETURNS
  54. If successful, the result is <<0>>; otherwise, the result is <<EOF>>.
  55.  
  56. PORTABILITY
  57. ANSI C requires <<fputs>>, but does not specify that the result on
  58. success must be <<0>>; any non-negative value is permitted.
  59.  
  60. Supporting OS subroutines required: <<close>>, <<fstat>>, <<isatty>>,
  61. <<lseek>>, <<read>>, <<sbrk>>, <<write>>.
  62. */
  63.  
  64. #include <_ansi.h>
  65. #include <stdio.h>
  66. #include <string.h>
  67. #include "fvwrite.h"
  68. #include "local.h"
  69.  
  70. /*
  71.  * Write the given string to the given file.
  72.  */
  73.  
  74. int
  75. _DEFUN(_fputs_r, (ptr, s, fp),
  76.        struct _reent * ptr _AND
  77.        char _CONST * s _AND
  78.        FILE * fp)
  79. {
  80.   int result;
  81.   struct __suio uio;
  82.   struct __siov iov;
  83.  
  84.   iov.iov_base = s;
  85.   iov.iov_len = uio.uio_resid = strlen (s);
  86.   uio.uio_iov = &iov;
  87.   uio.uio_iovcnt = 1;
  88.  
  89.   CHECK_INIT(ptr, fp);
  90.  
  91.   _flockfile (fp);
  92.   ORIENT (fp, -1);
  93.   result = __sfvwrite_r (ptr, fp, &uio);
  94.   _funlockfile (fp);
  95.   return result;
  96. }
  97.  
  98. #ifndef _REENT_ONLY
  99. int
  100. _DEFUN(fputs, (s, fp),
  101.        char _CONST * s _AND
  102.        FILE * fp)
  103. {
  104.   return _fputs_r (_REENT, s, fp);
  105. }
  106. #endif /* !_REENT_ONLY */
  107.