xref: /illumos-gate/usr/src/cmd/sendmail/libsm/put.c (revision 374858d291554c199353841e2900bc130463934a)
1 /*
2  * Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers.
3  *      All rights reserved.
4  * Copyright (c) 1990, 1993
5  *	The Regents of the University of California.  All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * Chris Torek.
9  *
10  * By using this file, you agree to the terms and conditions set
11  * forth in the LICENSE file which can be found at the top level of
12  * the sendmail distribution.
13  */
14 
15 #include <sm/gen.h>
16 SM_RCSID("@(#)$Id: put.c,v 1.27 2001/12/19 05:19:35 ca Exp $")
17 #include <string.h>
18 #include <errno.h>
19 #include <sm/io.h>
20 #include <sm/assert.h>
21 #include <sm/errstring.h>
22 #include <sm/string.h>
23 #include "local.h"
24 #include "fvwrite.h"
25 
26 /*
27 **  SM_IO_PUTC -- output a character to the file
28 **
29 **  Function version of the macro sm_io_putc (in <sm/io.h>).
30 **
31 **	Parameters:
32 **		fp -- file to output to
33 **		timeout -- time to complete putc
34 **		c -- int value of character to output
35 **
36 **	Returns:
37 **		Failure: returns SM_IO_EOF _and_ sets errno
38 **		Success: returns sm_putc() value.
39 **
40 */
41 
42 #undef sm_io_putc
43 
44 int
45 sm_io_putc(fp, timeout, c)
46 	SM_FILE_T *fp;
47 	int timeout;
48 	int c;
49 {
50 	SM_REQUIRE_ISA(fp, SmFileMagic);
51 	if (cantwrite(fp))
52 	{
53 		errno = EBADF;
54 		return SM_IO_EOF;
55 	}
56 	return sm_putc(fp, timeout, c);
57 }
58 
59 
60 /*
61 **  SM_PERROR -- print system error messages to smioerr
62 **
63 **	Parameters:
64 **		s -- message to print
65 **
66 **	Returns:
67 **		none
68 */
69 
70 void
71 sm_perror(s)
72 	const char *s;
73 {
74 	int save_errno = errno;
75 
76 	if (s != NULL && *s != '\0')
77 		(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, "%s: ", s);
78 	(void) sm_io_fprintf(smioerr, SM_TIME_DEFAULT, "%s\n",
79 			     sm_errstring(save_errno));
80 }
81