[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"

typedef uint32_t uintmax_t;
typedef int32_t intmax_t;

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;
			}
		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"
	41
	42	typedef uint32_t uintmax_t;
	43	typedef int32_t intmax_t;
	44
6f5cb60c	45	typedef unsigned char u_char;
	46	typedef unsigned int u_int;
	47	typedef unsigned long u_long;
	48	typedef unsigned short u_short;
	49	typedef unsigned long long u_quad_t;
	50	typedef long long quad_t;
f7e3ed82	51
	52	typedef int ssize_t;
	53
6f5cb60c	54	#define NBBY 8 /* number of bits in a byte */
f7e3ed82	55
6f5cb60c	56	char const hex2ascii_data[] = "0123456789abcdefghijklmnopqrstuvwxyz";
6f5cb60c	57	#define hex2ascii(hex) (hex2ascii_data[hex])
6f5cb60c	58	#define toupper(c) ((c) - 0x20 * (((c) >= 'a') && ((c) <= 'z')))
6f5cb60c	59
	60	/* Max number conversion buffer length: a u_quad_t in base 2, plus NUL byte. */
	61	#define MAXNBUF (sizeof(intmax_t) * NBBY + 1)
	62
	63	/*
	64	* Put a NUL-terminated ASCII number (base <= 36) in a buffer in reverse
	65	* order; return an optional length and a pointer to the last character
	66	* written in the buffer (i.e., the first character of the string).
	67	* The buffer pointed to by `nbuf' must have length >= MAXNBUF.
	68	*/
	69	static char *
	70	ksprintn(char nbuf, uintmax_t num, int base, int lenp, int upper)
	71	{
	72	char *p, c;
	73
	74	p = nbuf;
	75	*p = '\0';
	76	do {
	77	c = hex2ascii(num % base);
	78	*++p = upper ? toupper(c) : c;
	79	} while (num /= base);
	80	if (lenp)
	81	*lenp = p - nbuf;
	82	return (p);
	83	}
	84
	85	/*
	86	* Scaled down version of printf(3).
	87	*
	88	* Two additional formats:
	89	*
	90	* The format %b is supported to decode error registers.
	91	* Its usage is:
	92	*
	93	* printf("reg=%b\n", regval, "*");
	94	*
	95	* where is the output base expressed as a control character, e.g.
	96	* \10 gives octal; \20 gives hex. Each arg is a sequence of characters,
	97	* the first of which gives the bit number to be inspected (origin 1), and
	98	* the next characters (up to a control character, i.e. a character <= 32),
	99	* give the name of the register. Thus:
	100	*
	101	* kvprintf("reg=%b\n", 3, "\10\2BITTWO\1BITONE\n");
	102	*
	103	* would produce output:
	104	*
	105	* reg=3
	106	*
	107	* XXX: %D -- Hexdump, takes pointer and separator string:
	108	* ("%6D", ptr, ":") -> XX:XX:XX:XX:XX:XX
	109	* ("%*D", len, ptr, " " -> XX XX XX XX ...
	110	*/
	111	int
	112	kvsprintf(char const fmt, void arg, int radix, va_list ap)
	113	{
	114	#define PCHAR(c) {int cc=(c); *d++ = cc; retval++; }
	115	char nbuf[MAXNBUF];
	116	char *d;
	117	const char p, percent, *q;
	118	u_char *up;
	119	int ch, n;
	120	uintmax_t num;
	121	int base, lflag, qflag, tmp, width, ladjust, sharpflag, neg, sign, dot;
	122	int cflag, hflag, jflag, tflag, zflag;
123	int dwidth, upper;
124	char padc;
125	int stop = 0, retval = 0;
126
127	num = 0;
128	d = (char *) arg;
129
130	if (fmt == NULL)
131	fmt = "(fmt null)\n";
132
133	if (radix < 2 \|\| radix > 36)
134	radix = 10;
135
136	for (;;) {
137	padc = ' ';
138	width = 0;
139	while ((ch = (u_char)*fmt++) != '%' \|\| stop) {
140	PCHAR(ch);
141	if (ch == '\0')
142	return (retval);
143	}
144	percent = fmt - 1;
145	qflag = 0; lflag = 0; ladjust = 0; sharpflag = 0; neg = 0;
146	sign = 0; dot = 0; dwidth = 0; upper = 0;
147	cflag = 0; hflag = 0; jflag = 0; tflag = 0; zflag = 0;
148	reswitch: switch (ch = (u_char)*fmt++) {
149	case '.':
150	dot = 1;
151	goto reswitch;
152	case '#':
153	sharpflag = 1;
154	goto reswitch;
155	case '+':
156	sign = 1;
157	goto reswitch;
158	case '-':
159	ladjust = 1;
160	goto reswitch;
161	case '%':
162	PCHAR(ch);
163	break;
164	case '*':
165	if (!dot) {
166	width = va_arg(ap, int);
167	if (width < 0) {
168	ladjust = !ladjust;
169	width = -width;
170	}
171	} else {
172	dwidth = va_arg(ap, int);
173	}
174	goto reswitch;
175	case '0':
176	if (!dot) {
177	padc = '0';
178	goto reswitch;
179	}
180	case '1': case '2': case '3': case '4':
181	case '5': case '6': case '7': case '8': case '9':
182	for (n = 0;; ++fmt) {
183	n = n * 10 + ch - '0';
184	ch = *fmt;
185	if (ch < '0' \|\| ch > '9')
186	break;
187	}
188	if (dot)
189	dwidth = n;
190	else
191	width = n;
192	goto reswitch;
193	case 'b':
194	num = (u_int)va_arg(ap, int);
195	p = va_arg(ap, char *);
196	for (q = ksprintn(nbuf, num, p++, NULL, 0); q;)
197	PCHAR(*q--);
198
199	if (num == 0)
200	break;
201
202	for (tmp = 0; *p;) {
203	n = *p++;
204	if (num & (1 << (n - 1))) {
205	PCHAR(tmp ? ',' : '<');
206	for (; (n = *p) > ' '; ++p)
207	PCHAR(n);
208	tmp = 1;
209	} else
210	for (; *p > ' '; ++p)
211	continue;
212	}
213	if (tmp)
214	PCHAR('>');
215	break;
216	case 'c':
217	PCHAR(va_arg(ap, int));
218	break;
219	case 'D':
220	up = va_arg(ap, u_char *);
221	p = va_arg(ap, char *);
222	if (!width)
223	width = 16;
224	while(width--) {
225	PCHAR(hex2ascii(*up >> 4));
226	PCHAR(hex2ascii(*up & 0x0f));
227	up++;
228	if (width)
229	for (q=p;*q;q++)
230	PCHAR(*q);
231	}
232	break;
233	case 'd':
234	case 'i':
235	base = 10;
236	sign = 1;
237	goto handle_sign;
238	case 'h':
239	if (hflag) {
240	hflag = 0;
241	cflag = 1;
242	} else
243	hflag = 1;
244	goto reswitch;
245	case 'j':
246	jflag = 1;
247	goto reswitch;
248	case 'l':
249	if (lflag) {
250	lflag = 0;
251	qflag = 1;
252	} else
253	lflag = 1;
254	goto reswitch;
255	case 'n':
256	if (jflag)
257	(va_arg(ap, intmax_t )) = retval;
258	else if (qflag)
259	(va_arg(ap, quad_t )) = retval;
260	else if (lflag)
261	(va_arg(ap, long )) = retval;
262	else if (zflag)
263	(va_arg(ap, size_t )) = retval;
264	else if (hflag)
265	(va_arg(ap, short )) = retval;
266	else if (cflag)
267	(va_arg(ap, char )) = retval;
268	else
269	(va_arg(ap, int )) = retval;
270	break;
271	case 'o':
272	base = 8;
273	goto handle_nosign;
274	case 'p':
275	base = 16;
276	sharpflag = (width == 0);
277	sign = 0;
278	num = (uintptr_t)va_arg(ap, void *);
279	goto number;
280	case 'q':
281	qflag = 1;
282	goto reswitch;
283	case 'r':
284	base = radix;
285	if (sign)
286	goto handle_sign;
287	goto handle_nosign;
288	case 's':
289	p = va_arg(ap, char *);
290	if (p == NULL)
291	p = "(null)";
292	if (!dot)
293	n = strlen (p);
294	else
295	for (n = 0; n < dwidth && p[n]; n++)
296	continue;
297
298	width -= n;
299
300	if (!ladjust && width > 0)
301	while (width--)
302	PCHAR(padc);
303	while (n--)
304	PCHAR(*p++);
305	if (ladjust && width > 0)
306	while (width--)
307	PCHAR(padc);
308	break;
309	case 't':
310	tflag = 1;
311	goto reswitch;
312	case 'u':
313	base = 10;
314	goto handle_nosign;
315	case 'X':
316	upper = 1;
317	case 'x':
318	base = 16;
319	goto handle_nosign;
320	case 'y':
321	base = 16;
322	sign = 1;
323	goto handle_sign;
324	case 'z':
325	zflag = 1;
326	goto reswitch;
327	handle_nosign:
328	sign = 0;
329	if (jflag)
330	num = va_arg(ap, uintmax_t);
331	else if (qflag)
332	num = va_arg(ap, u_quad_t);
333	else if (tflag)
334	num = va_arg(ap, ptrdiff_t);
335	else if (lflag)
336	num = va_arg(ap, u_long);
337	else if (zflag)
338	num = va_arg(ap, size_t);
339	else if (hflag)
340	num = (u_short)va_arg(ap, int);
341	else if (cflag)
342	num = (u_char)va_arg(ap, int);
343	else
344	num = va_arg(ap, u_int);
345	goto number;
346	handle_sign:
347	if (jflag)
348	num = va_arg(ap, intmax_t);
349	else if (qflag)
350	num = va_arg(ap, quad_t);
351	else if (tflag)
352	num = va_arg(ap, ptrdiff_t);
353	else if (lflag)
354	num = va_arg(ap, long);
355	else if (zflag)
356	num = va_arg(ap, ssize_t);
357	else if (hflag)
358	num = (short)va_arg(ap, int);
359	else if (cflag)
360	num = (char)va_arg(ap, int);
361	else
362	num = va_arg(ap, int);
363	number:
364	if (sign && (intmax_t)num < 0) {
365	neg = 1;
366	num = -(intmax_t)num;
367	}
368	p = ksprintn(nbuf, num, base, &tmp, upper);
369	if (sharpflag && num != 0) {
370	if (base == 8)
371	tmp++;
372	else if (base == 16)
373	tmp += 2;
374	}
375	if (neg)
376	tmp++;
377
378	if (!ladjust && padc != '0' && width
379	&& (width -= tmp) > 0)
380	while (width--)
381	PCHAR(padc);
382	if (neg)
383	PCHAR('-');
384	if (sharpflag && num != 0) {
385	if (base == 8) {
386	PCHAR('0');
387	} else if (base == 16) {
388	PCHAR('0');
389	PCHAR('x');
390	}
391	}
392	if (!ladjust && width && (width -= tmp) > 0)
393	while (width--)
394	PCHAR(padc);
395
396	while (*p)
397	PCHAR(*p--);
398
399	if (ladjust && width && (width -= tmp) > 0)
400	while (width--)
401	PCHAR(padc);
402
403	break;
404	default:
405	while (percent < fmt)
406	PCHAR(*percent++);
407	/*
408	* Since we ignore an formatting argument it is no
409	* longer safe to obey the remaining formatting
410	* arguments as the arguments will no longer match
411	* the format specs.
412	*/
413	stop = 1;
414	break;
415	}
416	}
417	PCHAR(0);
418	return retval;
419	#undef PCHAR
420	}
421
f7e3ed82	422	int vsprintf(char dest, const char fmt, va_list ap)
	423	{
	424	return kvsprintf(fmt, dest, 10, ap);
	425	}
	426
6f5cb60c	427	int
	428	sprintf(char dest, const char fmt, ...)
	429	{
	430	/* http://www.pagetable.com/?p=298 */
	431	int retval;
	432	va_list ap;
	433
	434	va_start(ap, fmt);
	435	retval = kvsprintf(fmt, dest, 10, ap);
	436	va_end(ap);
	437	return retval;
	438	}