diff options
Diffstat (limited to 'newlib/libc/stdio/puts.c')
-rw-r--r-- | newlib/libc/stdio/puts.c | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/newlib/libc/stdio/puts.c b/newlib/libc/stdio/puts.c new file mode 100644 index 0000000..44f17cc --- /dev/null +++ b/newlib/libc/stdio/puts.c @@ -0,0 +1,101 @@ +/* + * Copyright (c) 1990 The Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms are permitted + * provided that the above copyright notice and this paragraph are + * duplicated in all such forms and that any documentation, + * advertising materials, and other materials related to such + * distribution and use acknowledge that the software was developed + * by the University of California, Berkeley. The name of the + * University may not be used to endorse or promote products derived + * from this software without specific prior written permission. + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ + +/* +FUNCTION +<<puts>>---write a character string + +INDEX + puts +INDEX + _puts_r + +ANSI_SYNOPSIS + #include <stdio.h> + int puts(const char *<[s]>); + + int _puts_r(void *<[reent]>, const char *<[s]>); + +TRAD_SYNOPSIS + #include <stdio.h> + int puts(<[s]>) + char *<[s]>; + + int _puts_r(<[reent]>, <[s]>) + char *<[reent]>; + char *<[s]>; + +DESCRIPTION +<<puts>> writes the string at <[s]> (followed by a newline, instead of +the trailing null) to the standard output stream. + +The alternate function <<_puts_r>> is a reentrant version. The extra +argument <[reent]> is a pointer to a reentrancy structure. + +RETURNS +If successful, the result is a nonnegative integer; otherwise, the +result is <<EOF>>. + +PORTABILITY +ANSI C requires <<puts>>, but does not specify that the result on +success must be <<0>>; any non-negative value is permitted. + +Supporting OS subroutines required: <<close>>, <<fstat>>, <<isatty>>, +<<lseek>>, <<read>>, <<sbrk>>, <<write>>. */ + +#if defined(LIBC_SCCS) && !defined(lint) +static char sccsid[] = "%W% (Berkeley) %G%"; +#endif /* LIBC_SCCS and not lint */ + +#include <stdio.h> +#include <string.h> +#include "fvwrite.h" + +/* + * Write the given string to stdout, appending a newline. + */ + +int +_DEFUN (_puts_r, (ptr, s), + struct _reent *ptr _AND + _CONST char * s) +{ + size_t c = strlen (s); + struct __suio uio; + struct __siov iov[2]; + + iov[0].iov_base = s; + iov[0].iov_len = c; + iov[1].iov_base = "\n"; + iov[1].iov_len = 1; + uio.uio_resid = c + 1; + uio.uio_iov = &iov[0]; + uio.uio_iovcnt = 2; + + return (__sfvwrite (_stdout_r (ptr), &uio) ? EOF : '\n'); +} + +#ifndef _REENT_ONLY + +int +_DEFUN (puts, (s), + char _CONST * s) +{ + return _puts_r (_REENT, s); +} + +#endif |