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/*
* Copyright (c) 2000-2001 Sendmail, Inc. and its suppliers.
* All rights reserved.
*
* By using this file, you agree to the terms and conditions set
* forth in the LICENSE file which can be found at the top level of
* the sendmail distribution.
*/
#include <sm/gen.h>
SM_RCSID("@(#)$Id: stringf.c,v 1.15 2001/09/11 04:04:49 gshapiro Exp $")
#include <errno.h>
#include <stdio.h>
#include <sm/exc.h>
#include <sm/heap.h>
#include <sm/string.h>
#include <sm/varargs.h>
/*
** SM_STRINGF_X -- printf() to dynamically allocated string.
**
** Takes the same arguments as printf.
** It returns a pointer to a dynamically allocated string
** containing the text that printf would print to standard output.
** It raises an exception on error.
** The name comes from a PWB Unix function called stringf.
**
** Parameters:
** fmt -- format string.
** ... -- arguments for format.
**
** Returns:
** Pointer to a dynamically allocated string.
**
** Exceptions:
** F:sm_heap -- out of memory (via sm_vstringf_x()).
*/
char *
#if SM_VA_STD
sm_stringf_x(const char *fmt, ...)
#else /* SM_VA_STD */
sm_stringf_x(fmt, va_alist)
const char *fmt;
va_dcl
#endif /* SM_VA_STD */
{
SM_VA_LOCAL_DECL
char *s;
SM_VA_START(ap, fmt);
s = sm_vstringf_x(fmt, ap);
SM_VA_END(ap);
return s;
}
/*
** SM_VSTRINGF_X -- printf() to dynamically allocated string.
**
** Parameters:
** fmt -- format string.
** ap -- arguments for format.
**
** Returns:
** Pointer to a dynamically allocated string.
**
** Exceptions:
** F:sm_heap -- out of memory
*/
char *
sm_vstringf_x(fmt, ap)
const char *fmt;
SM_VA_LOCAL_DECL
{
char *s;
sm_vasprintf(&s, fmt, ap);
if (s == NULL)
{
if (errno == ENOMEM)
sm_exc_raise_x(&SmHeapOutOfMemory);
sm_exc_raisenew_x(&SmEtypeOs, errno, "sm_vasprintf", NULL);
}
return s;
}
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