126 lines
3.7 KiB
C
126 lines
3.7 KiB
C
/*=============================================================================
|
|
|
|
This file is part of FLINT.
|
|
|
|
FLINT is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
FLINT is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with FLINT; if not, write to the Free Software
|
|
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
=============================================================================*/
|
|
/******************************************************************************
|
|
|
|
Copyright (C) 2013 William Hart
|
|
|
|
******************************************************************************/
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <ctype.h>
|
|
#include <stdarg.h>
|
|
#include "flint.h"
|
|
|
|
size_t flint_sprintf(char * s, const char * str, ...)
|
|
{
|
|
va_list ap;
|
|
size_t len = strlen(str);
|
|
char * str2 = flint_malloc(len + 1);
|
|
int w1 = 0, w2 = 0;
|
|
void * w3;
|
|
double d;
|
|
ulong wu;
|
|
slong w;
|
|
int args, floating;
|
|
size_t ret;
|
|
|
|
/* deal with first substring */
|
|
size_t n = strcspn(str, "%");
|
|
strncpy(str2, str, n);
|
|
str2[n] = '\0';
|
|
ret = sprintf(s, "%s", str2);
|
|
len -= n;
|
|
str += n;
|
|
|
|
va_start(ap, str);
|
|
|
|
while (len) /* deal with fmt spec prefixed strings */
|
|
{
|
|
n = strcspn(str + 2, "%") + 2; /* be sure to skip a %% */
|
|
strncpy(str2, str, n);
|
|
str2[n] = '\0';
|
|
|
|
switch (str[1])
|
|
{
|
|
case 'w':
|
|
if (str[2] == 'x')
|
|
{
|
|
wu = (ulong) va_arg(ap, ulong);
|
|
ret += sprintf(s + ret, WORD_FMT "x", wu);
|
|
ret += sprintf(s + ret, "%s", str2 + 3);
|
|
} else if (str[2] == 'u')
|
|
{
|
|
wu = (ulong) va_arg(ap, ulong);
|
|
ret += sprintf(s + ret, WORD_FMT "u", wu);
|
|
ret += sprintf(s + ret, "%s", str2 + 3);
|
|
} else if (str[2] == 'd')
|
|
{
|
|
w = (slong) va_arg(ap, slong);
|
|
ret += sprintf(s + ret, WORD_FMT "d", w);
|
|
ret += sprintf(s + ret, "%s", str2 + 3);
|
|
} else
|
|
{
|
|
w = (slong) va_arg(ap, slong);
|
|
ret += sprintf(s + ret, WORD_FMT "d", w);
|
|
ret += sprintf(s + ret, "%s", str2 + 2);
|
|
}
|
|
break;
|
|
default: /* pass to sprintf */
|
|
args = parse_fmt(&floating, str2);
|
|
if (args)
|
|
{
|
|
if (args == 3)
|
|
w1 = va_arg(ap, int);
|
|
if (args >= 2)
|
|
w2 = va_arg(ap, int);
|
|
if (floating)
|
|
{
|
|
d = va_arg(ap, double);
|
|
if (args == 2)
|
|
ret += sprintf(s + ret, str2, w2, d);
|
|
else if (args == 3)
|
|
ret += sprintf(s + ret, str2, w1, w2, d);
|
|
else
|
|
ret += sprintf(s + ret, str2, d);
|
|
} else
|
|
{
|
|
w3 = va_arg(ap, void *);
|
|
if (args == 2)
|
|
ret += sprintf(s + ret, str2, w2, w3);
|
|
else if (args == 3)
|
|
ret += sprintf(s + ret, str2, w1, w2, w3);
|
|
else
|
|
ret += sprintf(s + ret, str2, w3);
|
|
}
|
|
} else ret += sprintf(s + ret, "%s", str2); /* zero args */
|
|
}
|
|
|
|
len -= n;
|
|
str += n;
|
|
}
|
|
|
|
va_end(ap);
|
|
flint_free(str2);
|
|
|
|
return ret;
|
|
}
|