[proxmark3-svn] / armsrc / printf.c

/*-
 * Copyright (c) 1986, 1988, 1991, 1993
 *	The Regents of the University of California.  All rights reserved.
 * (c) UNIX System Laboratories, Inc.
 * All or some portions of this file are derived from material licensed
 * to the University of California by American Telephone and Telegraph
 * Co. or Unix System Laboratories, Inc. and are reproduced herein with
 * the permission of UNIX System Laboratories, Inc.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *	@(#)subr_prf.c	8.3 (Berkeley) 1/21/94
 */

#include <stddef.h>
#include <stdarg.h>
#include "printf.h"
#include "util.h"
#include "string.h"

typedef unsigned char u_char;
typedef unsigned int u_int;
typedef unsigned long u_long;
typedef unsigned short u_short;
typedef unsigned long long u_quad_t;
typedef long long quad_t;

typedef int ssize_t;

#define NBBY    8               /* number of bits in a byte */

char const hex2ascii_data[] = "0123456789abcdefghijklmnopqrstuvwxyz";
#define hex2ascii(hex)  (hex2ascii_data[hex])
#define toupper(c)      ((c) - 0x20 * (((c) >= 'a') && ((c) <= 'z')))

/* Max number conversion buffer length: a u_quad_t in base 2, plus NUL byte. */
#define MAXNBUF	(sizeof(intmax_t) * NBBY + 1)

/*
 * Put a NUL-terminated ASCII number (base <= 36) in a buffer in reverse
 * order; return an optional length and a pointer to the last character
 * written in the buffer (i.e., the first character of the string).
 * The buffer pointed to by `nbuf' must have length >= MAXNBUF.
 */
static char *
ksprintn(char *nbuf, uintmax_t num, int base, int *lenp, int upper)
{
	char *p, c;

	p = nbuf;
	*p = '\0';
	do {
		c = hex2ascii(num % base);
		*++p = upper ? toupper(c) : c;
	} while (num /= base);
	if (lenp)
		*lenp = p - nbuf;
	return (p);
}

/*
 * Scaled down version of printf(3).
 *
 * Two additional formats:
 *
 * The format %b is supported to decode error registers.
 * Its usage is:
 *
 *	printf("reg=%b\n", regval, "*");
 *
 * where  is the output base expressed as a control character, e.g.
 * \10 gives octal; \20 gives hex.  Each arg is a sequence of characters,
 * the first of which gives the bit number to be inspected (origin 1), and
 * the next characters (up to a control character, i.e. a character <= 32),
 * give the name of the register.  Thus:
 *
 *	kvprintf("reg=%b\n", 3, "\10\2BITTWO\1BITONE\n");
 *
 * would produce output:
 *
 *	reg=3
 *
 * XXX:  %D  -- Hexdump, takes pointer and separator string:
 *		("%6D", ptr, ":")   -> XX:XX:XX:XX:XX:XX
 *		("%*D", len, ptr, " " -> XX XX XX XX ...
 */
int
kvsprintf(char const *fmt, void *arg, int radix, va_list ap)
{
#define PCHAR(c) {int cc=(c); *d++ = cc; retval++; }
	char nbuf[MAXNBUF];
	char *d;
	const char *p, *percent, *q;
	u_char *up;
	int ch, n;
	uintmax_t num;
	int base, lflag, qflag, tmp, width, ladjust, sharpflag, neg, sign, dot;
	int cflag, hflag, jflag, tflag, zflag;
	int dwidth, upper;
	char padc;
	int stop = 0, retval = 0;

	num = 0;
	d = (char *) arg;

	if (fmt == NULL)
		fmt = "(fmt null)\n";

	if (radix < 2 || radix > 36)
		radix = 10;

	for (;;) {
		padc = ' ';
		width = 0;
		while ((ch = (u_char)*fmt++) != '%' || stop) {
			PCHAR(ch);
			if (ch == '\0')
				return (retval);
		}
		percent = fmt - 1;
		qflag = 0; lflag = 0; ladjust = 0; sharpflag = 0; neg = 0;
		sign = 0; dot = 0; dwidth = 0; upper = 0;
		cflag = 0; hflag = 0; jflag = 0; tflag = 0; zflag = 0;
reswitch:	switch (ch = (u_char)*fmt++) {
		case '.':
			dot = 1;
			goto reswitch;
		case '#':
			sharpflag = 1;
			goto reswitch;
		case '+':
			sign = 1;
			goto reswitch;
		case '-':
			ladjust = 1;
			goto reswitch;
		case '%':
			PCHAR(ch);
			break;
		case '*':
			if (!dot) {
				width = va_arg(ap, int);
				if (width < 0) {
					ladjust = !ladjust;
					width = -width;
				}
			} else {
				dwidth = va_arg(ap, int);
			}
			goto reswitch;
		case '0':
			if (!dot) {
				padc = '0';
				goto reswitch;
			}
			// intentionally fall through to next case
		case '1': case '2': case '3': case '4':
		case '5': case '6': case '7': case '8': case '9':
				for (n = 0;; ++fmt) {
					n = n * 10 + ch - '0';
					ch = *fmt;
					if (ch < '0' || ch > '9')
						break;
				}
			if (dot)
				dwidth = n;
			else
				width = n;
			goto reswitch;
		case 'b':
			num = (u_int)va_arg(ap, int);
			p = va_arg(ap, char *);
			for (q = ksprintn(nbuf, num, *p++, NULL, 0); *q;)
				PCHAR(*q--);

			if (num == 0)
				break;

			for (tmp = 0; *p;) {
				n = *p++;
				if (num & (1 << (n - 1))) {
					PCHAR(tmp ? ',' : '<');
					for (; (n = *p) > ' '; ++p)
						PCHAR(n);
					tmp = 1;
				} else
					for (; *p > ' '; ++p)
						continue;
			}
			if (tmp)
				PCHAR('>');
			break;
		case 'c':
			PCHAR(va_arg(ap, int));
			break;
		case 'D':
			up = va_arg(ap, u_char *);
			p = va_arg(ap, char *);
			if (!width)
				width = 16;
			while(width--) {
				PCHAR(hex2ascii(*up >> 4));
				PCHAR(hex2ascii(*up & 0x0f));
				up++;
				if (width)
					for (q=p;*q;q++)
						PCHAR(*q);
			}
			break;
		case 'd':
		case 'i':
			base = 10;
			sign = 1;
			goto handle_sign;
		case 'h':
			if (hflag) {
				hflag = 0;
				cflag = 1;
			} else
				hflag = 1;
			goto reswitch;
		case 'j':
			jflag = 1;
			goto reswitch;
		case 'l':
			if (lflag) {
				lflag = 0;
				qflag = 1;
			} else
				lflag = 1;
			goto reswitch;
		case 'n':
			if (jflag)
				*(va_arg(ap, intmax_t *)) = retval;
			else if (qflag)
				*(va_arg(ap, quad_t *)) = retval;
			else if (lflag)
				*(va_arg(ap, long *)) = retval;
			else if (zflag)
				*(va_arg(ap, size_t *)) = retval;
			else if (hflag)
				*(va_arg(ap, short *)) = retval;
			else if (cflag)
				*(va_arg(ap, char *)) = retval;
			else
				*(va_arg(ap, int *)) = retval;
			break;
		case 'o':
			base = 8;
			goto handle_nosign;
		case 'p':
			base = 16;
			sharpflag = (width == 0);
			sign = 0;
			num = (uintptr_t)va_arg(ap, void *);
			goto number;
		case 'q':
			qflag = 1;
			goto reswitch;
		case 'r':
			base = radix;
			if (sign)
				goto handle_sign;
			goto handle_nosign;
		case 's':
			p = va_arg(ap, char *);
			if (p == NULL)
				p = "(null)";
			if (!dot)
				n = strlen (p);
			else
				for (n = 0; n < dwidth && p[n]; n++)
					continue;

			width -= n;

			if (!ladjust && width > 0)
				while (width--)
					PCHAR(padc);
			while (n--)
				PCHAR(*p++);
			if (ladjust && width > 0)
				while (width--)
					PCHAR(padc);
			break;
		case 't':
			tflag = 1;
			goto reswitch;
		case 'u':
			base = 10;
			goto handle_nosign;
		case 'X':
			upper = 1;
		case 'x':
			base = 16;
			goto handle_nosign;
		case 'y':
			base = 16;
			sign = 1;
			goto handle_sign;
		case 'z':
			zflag = 1;
			goto reswitch;
handle_nosign:
			sign = 0;
			if (jflag)
				num = va_arg(ap, uintmax_t);
			else if (qflag)
				num = va_arg(ap, u_quad_t);
			else if (tflag)
				num = va_arg(ap, ptrdiff_t);
			else if (lflag)
				num = va_arg(ap, u_long);
			else if (zflag)
				num = va_arg(ap, size_t);
			else if (hflag)
				num = (u_short)va_arg(ap, int);
			else if (cflag)
				num = (u_char)va_arg(ap, int);
			else
				num = va_arg(ap, u_int);
			goto number;
handle_sign:
			if (jflag)
				num = va_arg(ap, intmax_t);
			else if (qflag)
				num = va_arg(ap, quad_t);
			else if (tflag)
				num = va_arg(ap, ptrdiff_t);
			else if (lflag)
				num = va_arg(ap, long);
			else if (zflag)
				num = va_arg(ap, ssize_t);
			else if (hflag)
				num = (short)va_arg(ap, int);
			else if (cflag)
				num = (char)va_arg(ap, int);
			else
				num = va_arg(ap, int);
number:
			if (sign && (intmax_t)num < 0) {
				neg = 1;
				num = -(intmax_t)num;
			}
			p = ksprintn(nbuf, num, base, &tmp, upper);
			if (sharpflag && num != 0) {
				if (base == 8)
					tmp++;
				else if (base == 16)
					tmp += 2;
			}
			if (neg)
				tmp++;

			if (!ladjust && padc != '0' && width
			    && (width -= tmp) > 0)
				while (width--)
					PCHAR(padc);
			if (neg)
				PCHAR('-');
			if (sharpflag && num != 0) {
				if (base == 8) {
					PCHAR('0');
				} else if (base == 16) {
					PCHAR('0');
					PCHAR('x');
				}
			}
			if (!ladjust && width && (width -= tmp) > 0)
				while (width--)
					PCHAR(padc);

			while (*p)
				PCHAR(*p--);

			if (ladjust && width && (width -= tmp) > 0)
				while (width--)
					PCHAR(padc);

			break;
		default:
			while (percent < fmt)
				PCHAR(*percent++);
			/*
			 * Since we ignore an formatting argument it is no
			 * longer safe to obey the remaining formatting
			 * arguments as the arguments will no longer match
			 * the format specs.
			 */
			stop = 1;
			break;
		}
	}
	PCHAR(0);
	return retval;
#undef PCHAR
}

int vsprintf(char *dest, const char *fmt, va_list ap)
{
	return kvsprintf(fmt, dest, 10, ap);
}

int
sprintf(char *dest, const char *fmt, ...)
{
	/* http://www.pagetable.com/?p=298 */
	int retval;
	va_list ap;

	va_start(ap, fmt);
	retval = kvsprintf(fmt, dest, 10, ap);
	va_end(ap);
	return retval;
}
Commit	Line	Data
6f5cb60c	1	/*-
	2	* Copyright (c) 1986, 1988, 1991, 1993
	3	* The Regents of the University of California. All rights reserved.
	4	* (c) UNIX System Laboratories, Inc.
	5	* All or some portions of this file are derived from material licensed
	6	* to the University of California by American Telephone and Telegraph
	7	* Co. or Unix System Laboratories, Inc. and are reproduced herein with
	8	* the permission of UNIX System Laboratories, Inc.
	9	*
	10	* Redistribution and use in source and binary forms, with or without
	11	* modification, are permitted provided that the following conditions
	12	* are met:
	13	* 1. Redistributions of source code must retain the above copyright
	14	* notice, this list of conditions and the following disclaimer.
	15	* 2. Redistributions in binary form must reproduce the above copyright
	16	* notice, this list of conditions and the following disclaimer in the
	17	* documentation and/or other materials provided with the distribution.
	18	* 4. Neither the name of the University nor the names of its contributors
	19	* may be used to endorse or promote products derived from this software
	20	* without specific prior written permission.
	21	*
	22	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	23	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	24	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	25	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	26	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	27	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	28	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	29	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	30	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	31	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	32	* SUCH DAMAGE.
	33	*
	34	* @(#)subr_prf.c 8.3 (Berkeley) 1/21/94
	35	*/
	36
f7e3ed82	37	#include <stddef.h>
	38	#include <stdarg.h>
	39	#include "printf.h"
	40	#include "util.h"
9ab7a6c7	41	#include "string.h"
f7e3ed82	42
6f5cb60c	43	typedef unsigned char u_char;
	44	typedef unsigned int u_int;
	45	typedef unsigned long u_long;
	46	typedef unsigned short u_short;
	47	typedef unsigned long long u_quad_t;
	48	typedef long long quad_t;
f7e3ed82	49
	50	typedef int ssize_t;
	51
6f5cb60c	52	#define NBBY 8 /* number of bits in a byte */
f7e3ed82	53
6f5cb60c	54	char const hex2ascii_data[] = "0123456789abcdefghijklmnopqrstuvwxyz";
6f5cb60c	55	#define hex2ascii(hex) (hex2ascii_data[hex])
6f5cb60c	56	#define toupper(c) ((c) - 0x20 * (((c) >= 'a') && ((c) <= 'z')))
6f5cb60c	57
	58	/* Max number conversion buffer length: a u_quad_t in base 2, plus NUL byte. */
	59	#define MAXNBUF (sizeof(intmax_t) * NBBY + 1)
	60
	61	/*
	62	* Put a NUL-terminated ASCII number (base <= 36) in a buffer in reverse
	63	* order; return an optional length and a pointer to the last character
	64	* written in the buffer (i.e., the first character of the string).
	65	* The buffer pointed to by `nbuf' must have length >= MAXNBUF.
	66	*/
	67	static char *
	68	ksprintn(char nbuf, uintmax_t num, int base, int lenp, int upper)
	69	{
	70	char *p, c;
	71
	72	p = nbuf;
	73	*p = '\0';
	74	do {
	75	c = hex2ascii(num % base);
	76	*++p = upper ? toupper(c) : c;
	77	} while (num /= base);
	78	if (lenp)
	79	*lenp = p - nbuf;
	80	return (p);
	81	}
	82
	83	/*
	84	* Scaled down version of printf(3).
	85	*
	86	* Two additional formats:
	87	*
	88	* The format %b is supported to decode error registers.
	89	* Its usage is:
	90	*
	91	* printf("reg=%b\n", regval, "*");
	92	*
	93	* where is the output base expressed as a control character, e.g.
	94	* \10 gives octal; \20 gives hex. Each arg is a sequence of characters,
	95	* the first of which gives the bit number to be inspected (origin 1), and
	96	* the next characters (up to a control character, i.e. a character <= 32),
	97	* give the name of the register. Thus:
	98	*
	99	* kvprintf("reg=%b\n", 3, "\10\2BITTWO\1BITONE\n");
	100	*
	101	* would produce output:
	102	*
	103	* reg=3
	104	*
	105	* XXX: %D -- Hexdump, takes pointer and separator string:
	106	* ("%6D", ptr, ":") -> XX:XX:XX:XX:XX:XX
	107	* ("%*D", len, ptr, " " -> XX XX XX XX ...
	108	*/
	109	int
	110	kvsprintf(char const fmt, void arg, int radix, va_list ap)
	111	{
	112	#define PCHAR(c) {int cc=(c); *d++ = cc; retval++; }
	113	char nbuf[MAXNBUF];
	114	char *d;
	115	const char p, percent, *q;
	116	u_char *up;
	117	int ch, n;
	118	uintmax_t num;
	119	int base, lflag, qflag, tmp, width, ladjust, sharpflag, neg, sign, dot;
	120	int cflag, hflag, jflag, tflag, zflag;
121	int dwidth, upper;
122	char padc;
123	int stop = 0, retval = 0;
124
125	num = 0;
126	d = (char *) arg;
127
128	if (fmt == NULL)
129	fmt = "(fmt null)\n";
130
131	if (radix < 2 \|\| radix > 36)
132	radix = 10;
133
134	for (;;) {
135	padc = ' ';
136	width = 0;
137	while ((ch = (u_char)*fmt++) != '%' \|\| stop) {
138	PCHAR(ch);
139	if (ch == '\0')
140	return (retval);
141	}
142	percent = fmt - 1;
143	qflag = 0; lflag = 0; ladjust = 0; sharpflag = 0; neg = 0;
144	sign = 0; dot = 0; dwidth = 0; upper = 0;
145	cflag = 0; hflag = 0; jflag = 0; tflag = 0; zflag = 0;
146	reswitch: switch (ch = (u_char)*fmt++) {
147	case '.':
148	dot = 1;
149	goto reswitch;
150	case '#':
151	sharpflag = 1;
152	goto reswitch;
153	case '+':
154	sign = 1;
155	goto reswitch;
156	case '-':
157	ladjust = 1;
158	goto reswitch;
159	case '%':
160	PCHAR(ch);
161	break;
162	case '*':
163	if (!dot) {
164	width = va_arg(ap, int);
165	if (width < 0) {
166	ladjust = !ladjust;
167	width = -width;
168	}
169	} else {
170	dwidth = va_arg(ap, int);
171	}
172	goto reswitch;
173	case '0':
174	if (!dot) {
175	padc = '0';
176	goto reswitch;
177	}
44964fd1	178	// intentionally fall through to next case
6f5cb60c	179	case '1': case '2': case '3': case '4':
	180	case '5': case '6': case '7': case '8': case '9':
	181	for (n = 0;; ++fmt) {
	182	n = n * 10 + ch - '0';
	183	ch = *fmt;
	184	if (ch < '0' \|\| ch > '9')
	185	break;
	186	}
	187	if (dot)
	188	dwidth = n;
	189	else
	190	width = n;
	191	goto reswitch;
	192	case 'b':
	193	num = (u_int)va_arg(ap, int);
	194	p = va_arg(ap, char *);
	195	for (q = ksprintn(nbuf, num, p++, NULL, 0); q;)
	196	PCHAR(*q--);
	197
	198	if (num == 0)
	199	break;
	200
	201	for (tmp = 0; *p;) {
	202	n = *p++;
	203	if (num & (1 << (n - 1))) {
	204	PCHAR(tmp ? ',' : '<');
	205	for (; (n = *p) > ' '; ++p)
	206	PCHAR(n);
	207	tmp = 1;
	208	} else
	209	for (; *p > ' '; ++p)
	210	continue;
	211	}
	212	if (tmp)
	213	PCHAR('>');
	214	break;
	215	case 'c':
	216	PCHAR(va_arg(ap, int));
	217	break;
	218	case 'D':
	219	up = va_arg(ap, u_char *);
	220	p = va_arg(ap, char *);
	221	if (!width)
	222	width = 16;
	223	while(width--) {
	224	PCHAR(hex2ascii(*up >> 4));
	225	PCHAR(hex2ascii(*up & 0x0f));
	226	up++;
	227	if (width)
	228	for (q=p;*q;q++)
	229	PCHAR(*q);
	230	}
	231	break;
	232	case 'd':
	233	case 'i':
	234	base = 10;
	235	sign = 1;
	236	goto handle_sign;
	237	case 'h':
	238	if (hflag) {
	239	hflag = 0;
	240	cflag = 1;
	241	} else
	242	hflag = 1;
243	goto reswitch;
244	case 'j':
245	jflag = 1;
246	goto reswitch;
247	case 'l':
248	if (lflag) {
249	lflag = 0;
250	qflag = 1;
251	} else
252	lflag = 1;
253	goto reswitch;
254	case 'n':
255	if (jflag)
256	(va_arg(ap, intmax_t )) = retval;
257	else if (qflag)
258	(va_arg(ap, quad_t )) = retval;
259	else if (lflag)
260	(va_arg(ap, long )) = retval;
261	else if (zflag)
262	(va_arg(ap, size_t )) = retval;
263	else if (hflag)
264	(va_arg(ap, short )) = retval;
265	else if (cflag)
266	(va_arg(ap, char )) = retval;
267	else
268	(va_arg(ap, int )) = retval;
269	break;
270	case 'o':
271	base = 8;
272	goto handle_nosign;
273	case 'p':
274	base = 16;
275	sharpflag = (width == 0);
276	sign = 0;
277	num = (uintptr_t)va_arg(ap, void *);
278	goto number;
279	case 'q':
280	qflag = 1;
281	goto reswitch;
282	case 'r':
283	base = radix;
284	if (sign)
285	goto handle_sign;
286	goto handle_nosign;
287	case 's':
288	p = va_arg(ap, char *);
289	if (p == NULL)
290	p = "(null)";
291	if (!dot)
292	n = strlen (p);
293	else
294	for (n = 0; n < dwidth && p[n]; n++)
295	continue;
296
297	width -= n;
298
299	if (!ladjust && width > 0)
300	while (width--)
301	PCHAR(padc);
302	while (n--)
303	PCHAR(*p++);
304	if (ladjust && width > 0)
305	while (width--)
306	PCHAR(padc);
307	break;
308	case 't':
309	tflag = 1;
310	goto reswitch;
311	case 'u':
312	base = 10;
313	goto handle_nosign;
314	case 'X':
315	upper = 1;
316	case 'x':
317	base = 16;
318	goto handle_nosign;
319	case 'y':
320	base = 16;
321	sign = 1;
322	goto handle_sign;
323	case 'z':
324	zflag = 1;
325	goto reswitch;
326	handle_nosign:
327	sign = 0;
328	if (jflag)
329	num = va_arg(ap, uintmax_t);
330	else if (qflag)
331	num = va_arg(ap, u_quad_t);
332	else if (tflag)
333	num = va_arg(ap, ptrdiff_t);
334	else if (lflag)
335	num = va_arg(ap, u_long);
336	else if (zflag)
337	num = va_arg(ap, size_t);
338	else if (hflag)
339	num = (u_short)va_arg(ap, int);
340	else if (cflag)
341	num = (u_char)va_arg(ap, int);
342	else
343	num = va_arg(ap, u_int);
344	goto number;
345	handle_sign:
346	if (jflag)
347	num = va_arg(ap, intmax_t);
348	else if (qflag)
349	num = va_arg(ap, quad_t);
350	else if (tflag)
351	num = va_arg(ap, ptrdiff_t);
352	else if (lflag)
353	num = va_arg(ap, long);
354	else if (zflag)
355	num = va_arg(ap, ssize_t);
356	else if (hflag)
357	num = (short)va_arg(ap, int);
358	else if (cflag)
359	num = (char)va_arg(ap, int);
360	else
361	num = va_arg(ap, int);
362	number:
363	if (sign && (intmax_t)num < 0) {
364	neg = 1;
365	num = -(intmax_t)num;
366	}
367	p = ksprintn(nbuf, num, base, &tmp, upper);
368	if (sharpflag && num != 0) {
369	if (base == 8)
370	tmp++;
371	else if (base == 16)
372	tmp += 2;
373	}
374	if (neg)
375	tmp++;
376
377	if (!ladjust && padc != '0' && width
378	&& (width -= tmp) > 0)
379	while (width--)
380	PCHAR(padc);
381	if (neg)
382	PCHAR('-');
383	if (sharpflag && num != 0) {
384	if (base == 8) {
385	PCHAR('0');
386	} else if (base == 16) {
387	PCHAR('0');
388	PCHAR('x');
389	}
390	}
391	if (!ladjust && width && (width -= tmp) > 0)
392	while (width--)
393	PCHAR(padc);
394
395	while (*p)
396	PCHAR(*p--);
397
398	if (ladjust && width && (width -= tmp) > 0)
399	while (width--)
400	PCHAR(padc);
401
402	break;
403	default:
404	while (percent < fmt)
405	PCHAR(*percent++);
406	/*
407	* Since we ignore an formatting argument it is no
408	* longer safe to obey the remaining formatting
409	* arguments as the arguments will no longer match
410	* the format specs.
411	*/
412	stop = 1;
413	break;
414	}
415	}
416	PCHAR(0);
417	return retval;
418	#undef PCHAR
419	}
420
f7e3ed82	421	int vsprintf(char dest, const char fmt, va_list ap)
	422	{
	423	return kvsprintf(fmt, dest, 10, ap);
	424	}
	425
6f5cb60c	426	int
	427	sprintf(char dest, const char fmt, ...)
	428	{
	429	/* http://www.pagetable.com/?p=298 */
	430	int retval;
	431	va_list ap;
	432
	433	va_start(ap, fmt);
	434	retval = kvsprintf(fmt, dest, 10, ap);
	435	va_end(ap);
	436	return retval;
	437	}