/* Like vsprintf but provides a pointer to malloc'd storage, which must
|
/* Like vsprintf but provides a pointer to malloc'd storage, which must
|
be freed by the caller.
|
be freed by the caller.
|
Copyright (C) 1994 Free Software Foundation, Inc.
|
Copyright (C) 1994 Free Software Foundation, Inc.
|
|
|
This file is part of the libiberty library.
|
This file is part of the libiberty library.
|
Libiberty is free software; you can redistribute it and/or
|
Libiberty is free software; you can redistribute it and/or
|
modify it under the terms of the GNU Library General Public
|
modify it under the terms of the GNU Library General Public
|
License as published by the Free Software Foundation; either
|
License as published by the Free Software Foundation; either
|
version 2 of the License, or (at your option) any later version.
|
version 2 of the License, or (at your option) any later version.
|
|
|
Libiberty is distributed in the hope that it will be useful,
|
Libiberty is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
Library General Public License for more details.
|
Library General Public License for more details.
|
|
|
You should have received a copy of the GNU Library General Public
|
You should have received a copy of the GNU Library General Public
|
License along with libiberty; see the file COPYING.LIB. If
|
License along with libiberty; see the file COPYING.LIB. If
|
not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
Boston, MA 02111-1307, USA. */
|
Boston, MA 02111-1307, USA. */
|
|
|
#ifdef __STDC__
|
#ifdef __STDC__
|
#include <stdarg.h>
|
#include <stdarg.h>
|
#else
|
#else
|
#include <varargs.h>
|
#include <varargs.h>
|
#endif
|
#endif
|
#include <stdio.h>
|
#include <stdio.h>
|
#include <string.h>
|
#include <string.h>
|
#include <ansidecl.h>
|
#include <ansidecl.h>
|
|
|
#ifdef TEST
|
#ifdef TEST
|
int global_total_width;
|
int global_total_width;
|
#endif
|
#endif
|
|
|
unsigned long strtoul ();
|
unsigned long strtoul ();
|
char *malloc ();
|
char *malloc ();
|
|
|
static int
|
static int
|
int_vasprintf (result, format, args)
|
int_vasprintf (result, format, args)
|
char **result;
|
char **result;
|
const char *format;
|
const char *format;
|
va_list *args;
|
va_list *args;
|
{
|
{
|
const char *p = format;
|
const char *p = format;
|
/* Add one to make sure that it is never zero, which might cause malloc
|
/* Add one to make sure that it is never zero, which might cause malloc
|
to return NULL. */
|
to return NULL. */
|
int total_width = strlen (format) + 1;
|
int total_width = strlen (format) + 1;
|
va_list ap;
|
va_list ap;
|
|
|
memcpy ((PTR) &ap, (PTR) args, sizeof (va_list));
|
memcpy ((PTR) &ap, (PTR) args, sizeof (va_list));
|
|
|
while (*p != '\0')
|
while (*p != '\0')
|
{
|
{
|
if (*p++ == '%')
|
if (*p++ == '%')
|
{
|
{
|
while (strchr ("-+ #0", *p))
|
while (strchr ("-+ #0", *p))
|
++p;
|
++p;
|
if (*p == '*')
|
if (*p == '*')
|
{
|
{
|
++p;
|
++p;
|
total_width += abs (va_arg (ap, int));
|
total_width += abs (va_arg (ap, int));
|
}
|
}
|
else
|
else
|
total_width += strtoul (p, &p, 10);
|
total_width += strtoul (p, &p, 10);
|
if (*p == '.')
|
if (*p == '.')
|
{
|
{
|
++p;
|
++p;
|
if (*p == '*')
|
if (*p == '*')
|
{
|
{
|
++p;
|
++p;
|
total_width += abs (va_arg (ap, int));
|
total_width += abs (va_arg (ap, int));
|
}
|
}
|
else
|
else
|
total_width += strtoul (p, &p, 10);
|
total_width += strtoul (p, &p, 10);
|
}
|
}
|
while (strchr ("hlL", *p))
|
while (strchr ("hlL", *p))
|
++p;
|
++p;
|
/* Should be big enough for any format specifier except %s and floats. */
|
/* Should be big enough for any format specifier except %s and floats. */
|
total_width += 30;
|
total_width += 30;
|
switch (*p)
|
switch (*p)
|
{
|
{
|
case 'd':
|
case 'd':
|
case 'i':
|
case 'i':
|
case 'o':
|
case 'o':
|
case 'u':
|
case 'u':
|
case 'x':
|
case 'x':
|
case 'X':
|
case 'X':
|
case 'c':
|
case 'c':
|
(void) va_arg (ap, int);
|
(void) va_arg (ap, int);
|
break;
|
break;
|
case 'f':
|
case 'f':
|
case 'e':
|
case 'e':
|
case 'E':
|
case 'E':
|
case 'g':
|
case 'g':
|
case 'G':
|
case 'G':
|
(void) va_arg (ap, double);
|
(void) va_arg (ap, double);
|
/* Since an ieee double can have an exponent of 307, we'll
|
/* Since an ieee double can have an exponent of 307, we'll
|
make the buffer wide enough to cover the gross case. */
|
make the buffer wide enough to cover the gross case. */
|
total_width += 307;
|
total_width += 307;
|
break;
|
break;
|
case 's':
|
case 's':
|
total_width += strlen (va_arg (ap, char *));
|
total_width += strlen (va_arg (ap, char *));
|
break;
|
break;
|
case 'p':
|
case 'p':
|
case 'n':
|
case 'n':
|
(void) va_arg (ap, char *);
|
(void) va_arg (ap, char *);
|
break;
|
break;
|
}
|
}
|
p++;
|
p++;
|
}
|
}
|
}
|
}
|
#ifdef TEST
|
#ifdef TEST
|
global_total_width = total_width;
|
global_total_width = total_width;
|
#endif
|
#endif
|
*result = malloc (total_width);
|
*result = malloc (total_width);
|
if (*result != NULL)
|
if (*result != NULL)
|
return vsprintf (*result, format, *args);
|
return vsprintf (*result, format, *args);
|
else
|
else
|
return 0;
|
return 0;
|
}
|
}
|
|
|
int
|
int
|
vasprintf (result, format, args)
|
vasprintf (result, format, args)
|
char **result;
|
char **result;
|
const char *format;
|
const char *format;
|
#if defined (_BSD_VA_LIST_) && defined (__FreeBSD__)
|
#if defined (_BSD_VA_LIST_) && defined (__FreeBSD__)
|
_BSD_VA_LIST_ args;
|
_BSD_VA_LIST_ args;
|
#else
|
#else
|
va_list args;
|
va_list args;
|
#endif
|
#endif
|
{
|
{
|
return int_vasprintf (result, format, &args);
|
return int_vasprintf (result, format, &args);
|
}
|
}
|
|
|
#ifdef TEST
|
#ifdef TEST
|
void
|
void
|
checkit
|
checkit
|
#ifdef __STDC__
|
#ifdef __STDC__
|
(const char* format, ...)
|
(const char* format, ...)
|
#else
|
#else
|
(va_alist)
|
(va_alist)
|
va_dcl
|
va_dcl
|
#endif
|
#endif
|
{
|
{
|
va_list args;
|
va_list args;
|
char *result;
|
char *result;
|
|
|
#ifdef __STDC__
|
#ifdef __STDC__
|
va_start (args, format);
|
va_start (args, format);
|
#else
|
#else
|
char *format;
|
char *format;
|
va_start (args);
|
va_start (args);
|
format = va_arg (args, char *);
|
format = va_arg (args, char *);
|
#endif
|
#endif
|
vasprintf (&result, format, args);
|
vasprintf (&result, format, args);
|
if (strlen (result) < global_total_width)
|
if (strlen (result) < global_total_width)
|
printf ("PASS: ");
|
printf ("PASS: ");
|
else
|
else
|
printf ("FAIL: ");
|
printf ("FAIL: ");
|
printf ("%d %s\n", global_total_width, result);
|
printf ("%d %s\n", global_total_width, result);
|
}
|
}
|
|
|
int
|
int
|
main ()
|
main ()
|
{
|
{
|
checkit ("%d", 0x12345678);
|
checkit ("%d", 0x12345678);
|
checkit ("%200d", 5);
|
checkit ("%200d", 5);
|
checkit ("%.300d", 6);
|
checkit ("%.300d", 6);
|
checkit ("%100.150d", 7);
|
checkit ("%100.150d", 7);
|
checkit ("%s", "jjjjjjjjjiiiiiiiiiiiiiiioooooooooooooooooppppppppppppaa\n\
|
checkit ("%s", "jjjjjjjjjiiiiiiiiiiiiiiioooooooooooooooooppppppppppppaa\n\
|
777777777777777777333333333333366666666666622222222222777777777777733333");
|
777777777777777777333333333333366666666666622222222222777777777777733333");
|
checkit ("%f%s%d%s", 1.0, "foo", 77, "asdjffffffffffffffiiiiiiiiiiixxxxx");
|
checkit ("%f%s%d%s", 1.0, "foo", 77, "asdjffffffffffffffiiiiiiiiiiixxxxx");
|
}
|
}
|
#endif /* TEST */
|
#endif /* TEST */
|
|
|
