1*7c478bd9Sstevel@tonic-gate /*
2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START
3*7c478bd9Sstevel@tonic-gate *
4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only
6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance
7*7c478bd9Sstevel@tonic-gate * with the License.
8*7c478bd9Sstevel@tonic-gate *
9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
12*7c478bd9Sstevel@tonic-gate * and limitations under the License.
13*7c478bd9Sstevel@tonic-gate *
14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
19*7c478bd9Sstevel@tonic-gate *
20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END
21*7c478bd9Sstevel@tonic-gate */
22*7c478bd9Sstevel@tonic-gate /*
23*7c478bd9Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms.
25*7c478bd9Sstevel@tonic-gate */
26*7c478bd9Sstevel@tonic-gate
27*7c478bd9Sstevel@tonic-gate /*
28*7c478bd9Sstevel@tonic-gate * Descriptor parsing functions
29*7c478bd9Sstevel@tonic-gate */
30*7c478bd9Sstevel@tonic-gate
31*7c478bd9Sstevel@tonic-gate #include <sys/types.h>
32*7c478bd9Sstevel@tonic-gate #include <sys/systm.h>
33*7c478bd9Sstevel@tonic-gate #include <sys/inttypes.h>
34*7c478bd9Sstevel@tonic-gate #include <sys/ib/mgt/ibmf/ibmf_utils.h>
35*7c478bd9Sstevel@tonic-gate #include <sys/debug.h>
36*7c478bd9Sstevel@tonic-gate
37*7c478bd9Sstevel@tonic-gate #define INCREMENT_BUF(buf) \
38*7c478bd9Sstevel@tonic-gate if ((buf)[0] == 0) { \
39*7c478bd9Sstevel@tonic-gate break; \
40*7c478bd9Sstevel@tonic-gate } else { \
41*7c478bd9Sstevel@tonic-gate (buf) += (buf)[0]; \
42*7c478bd9Sstevel@tonic-gate }
43*7c478bd9Sstevel@tonic-gate #define isdigit(ch) ((ch >= '0') && (ch <= '9'))
44*7c478bd9Sstevel@tonic-gate
45*7c478bd9Sstevel@tonic-gate /*
46*7c478bd9Sstevel@tonic-gate * ibmf_utils_unpack_data:
47*7c478bd9Sstevel@tonic-gate *
48*7c478bd9Sstevel@tonic-gate * parser function which takes a format string, a void pointer, and a character
49*7c478bd9Sstevel@tonic-gate * buffer and parses the buffer according to the identifiers in the format
50*7c478bd9Sstevel@tonic-gate * string. Copies the data from the buffer and places into the structure,
51*7c478bd9Sstevel@tonic-gate * taking care of byte swapping and any padding due to 64-bit Solaris. Modified
52*7c478bd9Sstevel@tonic-gate * from /ws/on81-gate/usr/src/uts/common/io/usb/usba/parser.c.
53*7c478bd9Sstevel@tonic-gate *
54*7c478bd9Sstevel@tonic-gate * The data and structure length parameters can be larger than the number of
55*7c478bd9Sstevel@tonic-gate * bytes specified in the format. unpack_data will use the smallest of the
56*7c478bd9Sstevel@tonic-gate * three values, stopping when it finishes parsing the format string or reaches
57*7c478bd9Sstevel@tonic-gate * the end of one of the two buffers.
58*7c478bd9Sstevel@tonic-gate */
59*7c478bd9Sstevel@tonic-gate void
ibmf_utils_unpack_data(char * format,uchar_t * data,size_t datalen,void * structure,size_t structlen)60*7c478bd9Sstevel@tonic-gate ibmf_utils_unpack_data(char *format,
61*7c478bd9Sstevel@tonic-gate uchar_t *data,
62*7c478bd9Sstevel@tonic-gate size_t datalen,
63*7c478bd9Sstevel@tonic-gate void *structure,
64*7c478bd9Sstevel@tonic-gate size_t structlen)
65*7c478bd9Sstevel@tonic-gate {
66*7c478bd9Sstevel@tonic-gate int fmt;
67*7c478bd9Sstevel@tonic-gate int multiplier = 0;
68*7c478bd9Sstevel@tonic-gate uchar_t *dataend = data + datalen;
69*7c478bd9Sstevel@tonic-gate char *structstart = (char *)structure;
70*7c478bd9Sstevel@tonic-gate void *structend = (void *)((intptr_t)structstart + structlen);
71*7c478bd9Sstevel@tonic-gate
72*7c478bd9Sstevel@tonic-gate while ((fmt = *format) != '\0') {
73*7c478bd9Sstevel@tonic-gate
74*7c478bd9Sstevel@tonic-gate if (fmt == 'c') {
75*7c478bd9Sstevel@tonic-gate uint8_t *cp = (uint8_t *)structure;
76*7c478bd9Sstevel@tonic-gate
77*7c478bd9Sstevel@tonic-gate /*
78*7c478bd9Sstevel@tonic-gate * account for possible hole in structure
79*7c478bd9Sstevel@tonic-gate * due to unaligned data
80*7c478bd9Sstevel@tonic-gate */
81*7c478bd9Sstevel@tonic-gate cp = (uint8_t *)
82*7c478bd9Sstevel@tonic-gate (((uintptr_t)cp + _CHAR_ALIGNMENT - 1) &
83*7c478bd9Sstevel@tonic-gate ~(_CHAR_ALIGNMENT - 1));
84*7c478bd9Sstevel@tonic-gate
85*7c478bd9Sstevel@tonic-gate if (((data + 1) > dataend) ||
86*7c478bd9Sstevel@tonic-gate ((cp + 1) > (uint8_t *)structend))
87*7c478bd9Sstevel@tonic-gate break;
88*7c478bd9Sstevel@tonic-gate
89*7c478bd9Sstevel@tonic-gate *cp++ = *data++;
90*7c478bd9Sstevel@tonic-gate structure = (void *)cp;
91*7c478bd9Sstevel@tonic-gate if (multiplier) {
92*7c478bd9Sstevel@tonic-gate multiplier--;
93*7c478bd9Sstevel@tonic-gate }
94*7c478bd9Sstevel@tonic-gate if (multiplier == 0) {
95*7c478bd9Sstevel@tonic-gate format++;
96*7c478bd9Sstevel@tonic-gate }
97*7c478bd9Sstevel@tonic-gate } else if (fmt == 's') {
98*7c478bd9Sstevel@tonic-gate uint16_t *sp = (uint16_t *)structure;
99*7c478bd9Sstevel@tonic-gate
100*7c478bd9Sstevel@tonic-gate /*
101*7c478bd9Sstevel@tonic-gate * account for possible hole in structure
102*7c478bd9Sstevel@tonic-gate * due to unaligned data
103*7c478bd9Sstevel@tonic-gate */
104*7c478bd9Sstevel@tonic-gate sp = (uint16_t *)
105*7c478bd9Sstevel@tonic-gate (((uintptr_t)sp + _SHORT_ALIGNMENT - 1) &
106*7c478bd9Sstevel@tonic-gate ~(_SHORT_ALIGNMENT - 1));
107*7c478bd9Sstevel@tonic-gate
108*7c478bd9Sstevel@tonic-gate if (((data + 2) > dataend) ||
109*7c478bd9Sstevel@tonic-gate ((sp + 1) > (uint16_t *)structend))
110*7c478bd9Sstevel@tonic-gate break;
111*7c478bd9Sstevel@tonic-gate
112*7c478bd9Sstevel@tonic-gate *sp++ = (data[0] << 8) + data[1];
113*7c478bd9Sstevel@tonic-gate data += 2;
114*7c478bd9Sstevel@tonic-gate structure = (void *)sp;
115*7c478bd9Sstevel@tonic-gate if (multiplier) {
116*7c478bd9Sstevel@tonic-gate multiplier--;
117*7c478bd9Sstevel@tonic-gate }
118*7c478bd9Sstevel@tonic-gate if (multiplier == 0) {
119*7c478bd9Sstevel@tonic-gate format++;
120*7c478bd9Sstevel@tonic-gate }
121*7c478bd9Sstevel@tonic-gate } else if (fmt == 'l') {
122*7c478bd9Sstevel@tonic-gate uint32_t *lp = (uint32_t *)structure;
123*7c478bd9Sstevel@tonic-gate
124*7c478bd9Sstevel@tonic-gate /*
125*7c478bd9Sstevel@tonic-gate * account for possible hole in structure
126*7c478bd9Sstevel@tonic-gate * due to unaligned data
127*7c478bd9Sstevel@tonic-gate */
128*7c478bd9Sstevel@tonic-gate lp = (uint32_t *)
129*7c478bd9Sstevel@tonic-gate (((uintptr_t)lp + _INT_ALIGNMENT - 1) &
130*7c478bd9Sstevel@tonic-gate ~(_INT_ALIGNMENT - 1));
131*7c478bd9Sstevel@tonic-gate
132*7c478bd9Sstevel@tonic-gate if (((data + 4) > dataend) ||
133*7c478bd9Sstevel@tonic-gate ((lp + 1) > (uint32_t *)structend))
134*7c478bd9Sstevel@tonic-gate break;
135*7c478bd9Sstevel@tonic-gate
136*7c478bd9Sstevel@tonic-gate *lp++ = ((((((uint32_t)data[0] << 8) | data[1]) << 8)
137*7c478bd9Sstevel@tonic-gate | data[2]) << 8) | data[3];
138*7c478bd9Sstevel@tonic-gate
139*7c478bd9Sstevel@tonic-gate data += 4;
140*7c478bd9Sstevel@tonic-gate structure = (void *)lp;
141*7c478bd9Sstevel@tonic-gate if (multiplier) {
142*7c478bd9Sstevel@tonic-gate multiplier--;
143*7c478bd9Sstevel@tonic-gate }
144*7c478bd9Sstevel@tonic-gate if (multiplier == 0) {
145*7c478bd9Sstevel@tonic-gate format++;
146*7c478bd9Sstevel@tonic-gate }
147*7c478bd9Sstevel@tonic-gate } else if (fmt == 'L') {
148*7c478bd9Sstevel@tonic-gate uint64_t *llp = (uint64_t *)structure;
149*7c478bd9Sstevel@tonic-gate
150*7c478bd9Sstevel@tonic-gate /*
151*7c478bd9Sstevel@tonic-gate * account for possible hole in structure
152*7c478bd9Sstevel@tonic-gate * due to unaligned data
153*7c478bd9Sstevel@tonic-gate */
154*7c478bd9Sstevel@tonic-gate llp = (uint64_t *)
155*7c478bd9Sstevel@tonic-gate (((uintptr_t)llp + _LONG_LONG_ALIGNMENT - 1) &
156*7c478bd9Sstevel@tonic-gate ~(_LONG_LONG_ALIGNMENT - 1));
157*7c478bd9Sstevel@tonic-gate
158*7c478bd9Sstevel@tonic-gate if (((data + 8) > dataend) ||
159*7c478bd9Sstevel@tonic-gate ((llp + 1) > (uint64_t *)structend))
160*7c478bd9Sstevel@tonic-gate break;
161*7c478bd9Sstevel@tonic-gate /*
162*7c478bd9Sstevel@tonic-gate * note: data[0] is cast to uint64_t so that the
163*7c478bd9Sstevel@tonic-gate * compiler wouldn't treat the results of the shifts
164*7c478bd9Sstevel@tonic-gate * as a 32bit quantity; we really want to get 64bits
165*7c478bd9Sstevel@tonic-gate * out of this.
166*7c478bd9Sstevel@tonic-gate */
167*7c478bd9Sstevel@tonic-gate *llp++ = ((((((((((((((uint64_t)data[0] << 8) |
168*7c478bd9Sstevel@tonic-gate data[1]) << 8) | data[2]) << 8) |
169*7c478bd9Sstevel@tonic-gate data[3]) << 8) | data[4]) << 8) |
170*7c478bd9Sstevel@tonic-gate data[5]) << 8) | data[6]) << 8) |
171*7c478bd9Sstevel@tonic-gate data[7];
172*7c478bd9Sstevel@tonic-gate
173*7c478bd9Sstevel@tonic-gate data += 8;
174*7c478bd9Sstevel@tonic-gate structure = (void *)llp;
175*7c478bd9Sstevel@tonic-gate if (multiplier) {
176*7c478bd9Sstevel@tonic-gate multiplier--;
177*7c478bd9Sstevel@tonic-gate }
178*7c478bd9Sstevel@tonic-gate if (multiplier == 0) {
179*7c478bd9Sstevel@tonic-gate format++;
180*7c478bd9Sstevel@tonic-gate }
181*7c478bd9Sstevel@tonic-gate } else if (isdigit(fmt)) {
182*7c478bd9Sstevel@tonic-gate multiplier = (multiplier * 10) + (fmt - '0');
183*7c478bd9Sstevel@tonic-gate format++;
184*7c478bd9Sstevel@tonic-gate } else {
185*7c478bd9Sstevel@tonic-gate multiplier = 0;
186*7c478bd9Sstevel@tonic-gate break;
187*7c478bd9Sstevel@tonic-gate }
188*7c478bd9Sstevel@tonic-gate }
189*7c478bd9Sstevel@tonic-gate }
190*7c478bd9Sstevel@tonic-gate
191*7c478bd9Sstevel@tonic-gate /*
192*7c478bd9Sstevel@tonic-gate * ibmf_utils_pack_data:
193*7c478bd9Sstevel@tonic-gate *
194*7c478bd9Sstevel@tonic-gate * parser function which takes a format string, a void pointer, and a character
195*7c478bd9Sstevel@tonic-gate * buffer and parses the structure according to the identifiers in the format
196*7c478bd9Sstevel@tonic-gate * string. Copies the data from the structure and places in the buffer, taking
197*7c478bd9Sstevel@tonic-gate * care of byte swapping and any padding due to 64-bit Solaris. Modified from
198*7c478bd9Sstevel@tonic-gate * /ws/on81-gate/usr/src/uts/common/io/usb/usba/parser.c.
199*7c478bd9Sstevel@tonic-gate *
200*7c478bd9Sstevel@tonic-gate */
201*7c478bd9Sstevel@tonic-gate void
ibmf_utils_pack_data(char * format,void * structure,size_t structlen,uchar_t * data,size_t datalen)202*7c478bd9Sstevel@tonic-gate ibmf_utils_pack_data(char *format, void *structure,
203*7c478bd9Sstevel@tonic-gate size_t structlen, uchar_t *data, size_t datalen)
204*7c478bd9Sstevel@tonic-gate {
205*7c478bd9Sstevel@tonic-gate int fmt;
206*7c478bd9Sstevel@tonic-gate int multiplier = 0;
207*7c478bd9Sstevel@tonic-gate uchar_t *dataend = data + datalen;
208*7c478bd9Sstevel@tonic-gate char *structend = (void *)((uchar_t *)structure + structlen);
209*7c478bd9Sstevel@tonic-gate
210*7c478bd9Sstevel@tonic-gate while ((fmt = *format) != '\0') {
211*7c478bd9Sstevel@tonic-gate if (fmt == 'c') {
212*7c478bd9Sstevel@tonic-gate uint8_t *cp = (uint8_t *)structure;
213*7c478bd9Sstevel@tonic-gate
214*7c478bd9Sstevel@tonic-gate /*
215*7c478bd9Sstevel@tonic-gate * account for possible hole in structure
216*7c478bd9Sstevel@tonic-gate * due to unaligned data
217*7c478bd9Sstevel@tonic-gate */
218*7c478bd9Sstevel@tonic-gate cp = (uint8_t *)
219*7c478bd9Sstevel@tonic-gate (((uintptr_t)cp + _CHAR_ALIGNMENT - 1) &
220*7c478bd9Sstevel@tonic-gate ~(_CHAR_ALIGNMENT - 1));
221*7c478bd9Sstevel@tonic-gate
222*7c478bd9Sstevel@tonic-gate if (((data + 1) > dataend) ||
223*7c478bd9Sstevel@tonic-gate ((cp + 1) > (uint8_t *)structend)) {
224*7c478bd9Sstevel@tonic-gate break;
225*7c478bd9Sstevel@tonic-gate }
226*7c478bd9Sstevel@tonic-gate
227*7c478bd9Sstevel@tonic-gate *data++ = *cp++;
228*7c478bd9Sstevel@tonic-gate structure = (void *)cp;
229*7c478bd9Sstevel@tonic-gate if (multiplier) {
230*7c478bd9Sstevel@tonic-gate multiplier--;
231*7c478bd9Sstevel@tonic-gate }
232*7c478bd9Sstevel@tonic-gate if (multiplier == 0) {
233*7c478bd9Sstevel@tonic-gate format++;
234*7c478bd9Sstevel@tonic-gate }
235*7c478bd9Sstevel@tonic-gate } else if (fmt == 's') {
236*7c478bd9Sstevel@tonic-gate uint16_t *sp = (uint16_t *)structure;
237*7c478bd9Sstevel@tonic-gate
238*7c478bd9Sstevel@tonic-gate /*
239*7c478bd9Sstevel@tonic-gate * account for possible hole in structure
240*7c478bd9Sstevel@tonic-gate * due to unaligned data
241*7c478bd9Sstevel@tonic-gate */
242*7c478bd9Sstevel@tonic-gate sp = (uint16_t *)
243*7c478bd9Sstevel@tonic-gate (((uintptr_t)sp + _SHORT_ALIGNMENT - 1) &
244*7c478bd9Sstevel@tonic-gate ~(_SHORT_ALIGNMENT - 1));
245*7c478bd9Sstevel@tonic-gate
246*7c478bd9Sstevel@tonic-gate if (((data + 2) > dataend) ||
247*7c478bd9Sstevel@tonic-gate ((sp + 1) > (uint16_t *)structend))
248*7c478bd9Sstevel@tonic-gate break;
249*7c478bd9Sstevel@tonic-gate
250*7c478bd9Sstevel@tonic-gate /* do an endian-independent copy */
251*7c478bd9Sstevel@tonic-gate data[0] = (uchar_t)(*sp >> 8);
252*7c478bd9Sstevel@tonic-gate data[1] = (uchar_t)(*sp);
253*7c478bd9Sstevel@tonic-gate
254*7c478bd9Sstevel@tonic-gate sp++;
255*7c478bd9Sstevel@tonic-gate data += 2;
256*7c478bd9Sstevel@tonic-gate
257*7c478bd9Sstevel@tonic-gate structure = (void *)sp;
258*7c478bd9Sstevel@tonic-gate if (multiplier) {
259*7c478bd9Sstevel@tonic-gate multiplier--;
260*7c478bd9Sstevel@tonic-gate }
261*7c478bd9Sstevel@tonic-gate if (multiplier == 0) {
262*7c478bd9Sstevel@tonic-gate format++;
263*7c478bd9Sstevel@tonic-gate }
264*7c478bd9Sstevel@tonic-gate } else if (fmt == 'l') {
265*7c478bd9Sstevel@tonic-gate uint32_t *lp = (uint32_t *)structure;
266*7c478bd9Sstevel@tonic-gate
267*7c478bd9Sstevel@tonic-gate /*
268*7c478bd9Sstevel@tonic-gate * account for possible hole in structure
269*7c478bd9Sstevel@tonic-gate * due to unaligned data
270*7c478bd9Sstevel@tonic-gate */
271*7c478bd9Sstevel@tonic-gate lp = (uint32_t *)
272*7c478bd9Sstevel@tonic-gate (((uintptr_t)lp + _INT_ALIGNMENT - 1) &
273*7c478bd9Sstevel@tonic-gate ~(_INT_ALIGNMENT - 1));
274*7c478bd9Sstevel@tonic-gate
275*7c478bd9Sstevel@tonic-gate if (((data + 4) > dataend) ||
276*7c478bd9Sstevel@tonic-gate ((lp + 1) > (uint32_t *)structend))
277*7c478bd9Sstevel@tonic-gate break;
278*7c478bd9Sstevel@tonic-gate
279*7c478bd9Sstevel@tonic-gate /* do an endian-independent copy */
280*7c478bd9Sstevel@tonic-gate data[0] = (uchar_t)(*lp >> 24);
281*7c478bd9Sstevel@tonic-gate data[1] = (uchar_t)(*lp >> 16);
282*7c478bd9Sstevel@tonic-gate data[2] = (uchar_t)(*lp >> 8);
283*7c478bd9Sstevel@tonic-gate data[3] = (uchar_t)(*lp);
284*7c478bd9Sstevel@tonic-gate
285*7c478bd9Sstevel@tonic-gate lp++;
286*7c478bd9Sstevel@tonic-gate data += 4;
287*7c478bd9Sstevel@tonic-gate
288*7c478bd9Sstevel@tonic-gate structure = (void *)lp;
289*7c478bd9Sstevel@tonic-gate if (multiplier) {
290*7c478bd9Sstevel@tonic-gate multiplier--;
291*7c478bd9Sstevel@tonic-gate }
292*7c478bd9Sstevel@tonic-gate if (multiplier == 0) {
293*7c478bd9Sstevel@tonic-gate format++;
294*7c478bd9Sstevel@tonic-gate }
295*7c478bd9Sstevel@tonic-gate } else if (fmt == 'L') {
296*7c478bd9Sstevel@tonic-gate uint64_t *llp = (uint64_t *)structure;
297*7c478bd9Sstevel@tonic-gate
298*7c478bd9Sstevel@tonic-gate /*
299*7c478bd9Sstevel@tonic-gate * account for possible hole in structure
300*7c478bd9Sstevel@tonic-gate * due to unaligned data
301*7c478bd9Sstevel@tonic-gate */
302*7c478bd9Sstevel@tonic-gate llp = (uint64_t *)
303*7c478bd9Sstevel@tonic-gate (((uintptr_t)llp + _LONG_LONG_ALIGNMENT - 1) &
304*7c478bd9Sstevel@tonic-gate ~(_LONG_LONG_ALIGNMENT - 1));
305*7c478bd9Sstevel@tonic-gate
306*7c478bd9Sstevel@tonic-gate if (((data + 8) > dataend) ||
307*7c478bd9Sstevel@tonic-gate ((llp + 1) > (uint64_t *)structend))
308*7c478bd9Sstevel@tonic-gate break;
309*7c478bd9Sstevel@tonic-gate
310*7c478bd9Sstevel@tonic-gate /* do an endian-independent copy */
311*7c478bd9Sstevel@tonic-gate data[0] = (uchar_t)(*llp >> 56);
312*7c478bd9Sstevel@tonic-gate data[1] = (uchar_t)(*llp >> 48);
313*7c478bd9Sstevel@tonic-gate data[2] = (uchar_t)(*llp >> 40);
314*7c478bd9Sstevel@tonic-gate data[3] = (uchar_t)(*llp >> 32);
315*7c478bd9Sstevel@tonic-gate data[4] = (uchar_t)(*llp >> 24);
316*7c478bd9Sstevel@tonic-gate data[5] = (uchar_t)(*llp >> 16);
317*7c478bd9Sstevel@tonic-gate data[6] = (uchar_t)(*llp >> 8);
318*7c478bd9Sstevel@tonic-gate data[7] = (uchar_t)(*llp);
319*7c478bd9Sstevel@tonic-gate llp++;
320*7c478bd9Sstevel@tonic-gate data += 8;
321*7c478bd9Sstevel@tonic-gate
322*7c478bd9Sstevel@tonic-gate structure = (void *)llp;
323*7c478bd9Sstevel@tonic-gate if (multiplier) {
324*7c478bd9Sstevel@tonic-gate multiplier--;
325*7c478bd9Sstevel@tonic-gate }
326*7c478bd9Sstevel@tonic-gate if (multiplier == 0) {
327*7c478bd9Sstevel@tonic-gate format++;
328*7c478bd9Sstevel@tonic-gate }
329*7c478bd9Sstevel@tonic-gate } else if (isdigit(fmt)) {
330*7c478bd9Sstevel@tonic-gate multiplier = (multiplier * 10) + (fmt - '0');
331*7c478bd9Sstevel@tonic-gate format++;
332*7c478bd9Sstevel@tonic-gate } else {
333*7c478bd9Sstevel@tonic-gate multiplier = 0;
334*7c478bd9Sstevel@tonic-gate break;
335*7c478bd9Sstevel@tonic-gate }
336*7c478bd9Sstevel@tonic-gate }
337*7c478bd9Sstevel@tonic-gate }
338