#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <ansidecl.h>
#ifdef ANSI_PROTOTYPES
#include <stdarg.h>
#else
#include <varargs.h>
#endif
#if !defined (va_copy) && defined (__va_copy)
# define va_copy(d,s) __va_copy((d),(s))
#endif
#include <stdio.h>
#ifdef HAVE_STRING_H
#include <string.h>
#endif
#ifdef HAVE_STDLIB_H
#include <stdlib.h>
#else
extern unsigned long strtoul ();
extern PTR malloc ();
#endif
#include "libiberty.h"
#ifdef TEST
int global_total_width;
#endif
static int int_vasprintf PARAMS ((char **, const char *, va_list));
static int
int_vasprintf (result, format, args)
char **result;
const char *format;
va_list args;
{
const char *p = format;
int total_width = strlen (format) + 1;
va_list ap;
#ifdef va_copy
va_copy (ap, args);
#else
memcpy ((PTR) &ap, (PTR) &args, sizeof (va_list));
#endif
while (*p != '\0')
{
if (*p++ == '%')
{
while (strchr ("-+ #0", *p))
++p;
if (*p == '*')
{
++p;
total_width += abs (va_arg (ap, int));
}
else
total_width += strtoul (p, (char **) &p, 10);
if (*p == '.')
{
++p;
if (*p == '*')
{
++p;
total_width += abs (va_arg (ap, int));
}
else
total_width += strtoul (p, (char **) &p, 10);
}
while (strchr ("hlL", *p))
++p;
total_width += 30;
switch (*p)
{
case 'd':
case 'i':
case 'o':
case 'u':
case 'x':
case 'X':
case 'c':
(void) va_arg (ap, int);
break;
case 'f':
case 'e':
case 'E':
case 'g':
case 'G':
(void) va_arg (ap, double);
total_width += 307;
break;
case 's':
total_width += strlen (va_arg (ap, char *));
break;
case 'p':
case 'n':
(void) va_arg (ap, char *);
break;
}
p++;
}
}
#ifdef va_copy
va_end (ap);
#endif
#ifdef TEST
global_total_width = total_width;
#endif
*result = (char *) malloc (total_width);
if (*result != NULL)
return vsprintf (*result, format, args);
else
return -1;
}
int
vasprintf (result, format, args)
char **result;
const char *format;
#if defined (_BSD_VA_LIST_) && defined (__FreeBSD__)
_BSD_VA_LIST_ args;
#else
va_list args;
#endif
{
return int_vasprintf (result, format, args);
}
#ifdef TEST
static void ATTRIBUTE_PRINTF_1
checkit VPARAMS ((const char *format, ...))
{
char *result;
VA_OPEN (args, format);
VA_FIXEDARG (args, const char *, format);
vasprintf (&result, format, args);
VA_CLOSE (args);
if (strlen (result) < (size_t) global_total_width)
printf ("PASS: ");
else
printf ("FAIL: ");
printf ("%d %s\n", global_total_width, result);
free (result);
}
extern int main PARAMS ((void));
int
main ()
{
checkit ("%d", 0x12345678);
checkit ("%200d", 5);
checkit ("%.300d", 6);
checkit ("%100.150d", 7);
checkit ("%s", "jjjjjjjjjiiiiiiiiiiiiiiioooooooooooooooooppppppppppppaa\n\
777777777777777777333333333333366666666666622222222222777777777777733333");
checkit ("%f%s%d%s", 1.0, "foo", 77, "asdjffffffffffffffiiiiiiiiiiixxxxx");
return 0;
}
#endif