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 2005 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 #pragma ident "%Z%%M% %I% %E% SMI" 28*7c478bd9Sstevel@tonic-gate 29*7c478bd9Sstevel@tonic-gate #include <mdb/mdb_types.h> 30*7c478bd9Sstevel@tonic-gate #include <mdb/mdb_argvec.h> 31*7c478bd9Sstevel@tonic-gate #include <mdb/mdb_string.h> 32*7c478bd9Sstevel@tonic-gate #include <mdb/mdb_err.h> 33*7c478bd9Sstevel@tonic-gate #include <mdb/mdb_stdlib.h> 34*7c478bd9Sstevel@tonic-gate #include <mdb/mdb_modapi.h> 35*7c478bd9Sstevel@tonic-gate #include <mdb/mdb_frame.h> 36*7c478bd9Sstevel@tonic-gate #include <mdb/mdb.h> 37*7c478bd9Sstevel@tonic-gate 38*7c478bd9Sstevel@tonic-gate #include <alloca.h> 39*7c478bd9Sstevel@tonic-gate 40*7c478bd9Sstevel@tonic-gate #define AV_DEFSZ 16 /* Initial size of argument vector */ 41*7c478bd9Sstevel@tonic-gate #define AV_GROW 2 /* Multiplier for growing argument vector */ 42*7c478bd9Sstevel@tonic-gate 43*7c478bd9Sstevel@tonic-gate void 44*7c478bd9Sstevel@tonic-gate mdb_argvec_create(mdb_argvec_t *vec) 45*7c478bd9Sstevel@tonic-gate { 46*7c478bd9Sstevel@tonic-gate vec->a_data = NULL; 47*7c478bd9Sstevel@tonic-gate vec->a_nelems = 0; 48*7c478bd9Sstevel@tonic-gate vec->a_size = 0; 49*7c478bd9Sstevel@tonic-gate } 50*7c478bd9Sstevel@tonic-gate 51*7c478bd9Sstevel@tonic-gate void 52*7c478bd9Sstevel@tonic-gate mdb_argvec_destroy(mdb_argvec_t *vec) 53*7c478bd9Sstevel@tonic-gate { 54*7c478bd9Sstevel@tonic-gate if (vec->a_data != NULL) { 55*7c478bd9Sstevel@tonic-gate mdb_argvec_reset(vec); 56*7c478bd9Sstevel@tonic-gate mdb_free(vec->a_data, sizeof (mdb_arg_t) * vec->a_size); 57*7c478bd9Sstevel@tonic-gate } 58*7c478bd9Sstevel@tonic-gate } 59*7c478bd9Sstevel@tonic-gate 60*7c478bd9Sstevel@tonic-gate void 61*7c478bd9Sstevel@tonic-gate mdb_argvec_append(mdb_argvec_t *vec, const mdb_arg_t *arg) 62*7c478bd9Sstevel@tonic-gate { 63*7c478bd9Sstevel@tonic-gate if (vec->a_nelems >= vec->a_size) { 64*7c478bd9Sstevel@tonic-gate size_t size = vec->a_size ? vec->a_size * AV_GROW : AV_DEFSZ; 65*7c478bd9Sstevel@tonic-gate void *data = mdb_alloc(sizeof (mdb_arg_t) * size, UM_NOSLEEP); 66*7c478bd9Sstevel@tonic-gate 67*7c478bd9Sstevel@tonic-gate if (data == NULL) { 68*7c478bd9Sstevel@tonic-gate warn("failed to grow argument vector"); 69*7c478bd9Sstevel@tonic-gate longjmp(mdb.m_frame->f_pcb, MDB_ERR_NOMEM); 70*7c478bd9Sstevel@tonic-gate } 71*7c478bd9Sstevel@tonic-gate 72*7c478bd9Sstevel@tonic-gate bcopy(vec->a_data, data, sizeof (mdb_arg_t) * vec->a_size); 73*7c478bd9Sstevel@tonic-gate mdb_free(vec->a_data, sizeof (mdb_arg_t) * vec->a_size); 74*7c478bd9Sstevel@tonic-gate 75*7c478bd9Sstevel@tonic-gate vec->a_data = data; 76*7c478bd9Sstevel@tonic-gate vec->a_size = size; 77*7c478bd9Sstevel@tonic-gate } 78*7c478bd9Sstevel@tonic-gate 79*7c478bd9Sstevel@tonic-gate bcopy(arg, &vec->a_data[vec->a_nelems++], sizeof (mdb_arg_t)); 80*7c478bd9Sstevel@tonic-gate } 81*7c478bd9Sstevel@tonic-gate 82*7c478bd9Sstevel@tonic-gate void 83*7c478bd9Sstevel@tonic-gate mdb_argvec_reset(mdb_argvec_t *vec) 84*7c478bd9Sstevel@tonic-gate { 85*7c478bd9Sstevel@tonic-gate size_t nelems = vec->a_nelems; 86*7c478bd9Sstevel@tonic-gate mdb_arg_t *arg; 87*7c478bd9Sstevel@tonic-gate 88*7c478bd9Sstevel@tonic-gate for (arg = vec->a_data; nelems != 0; nelems--, arg++) { 89*7c478bd9Sstevel@tonic-gate if (arg->a_type == MDB_TYPE_STRING && arg->a_un.a_str != NULL) 90*7c478bd9Sstevel@tonic-gate strfree((char *)arg->a_un.a_str); 91*7c478bd9Sstevel@tonic-gate } 92*7c478bd9Sstevel@tonic-gate 93*7c478bd9Sstevel@tonic-gate vec->a_nelems = 0; 94*7c478bd9Sstevel@tonic-gate } 95*7c478bd9Sstevel@tonic-gate 96*7c478bd9Sstevel@tonic-gate void 97*7c478bd9Sstevel@tonic-gate mdb_argvec_zero(mdb_argvec_t *vec) 98*7c478bd9Sstevel@tonic-gate { 99*7c478bd9Sstevel@tonic-gate #ifdef DEBUG 100*7c478bd9Sstevel@tonic-gate size_t i; 101*7c478bd9Sstevel@tonic-gate 102*7c478bd9Sstevel@tonic-gate for (i = 0; i < vec->a_size; i++) { 103*7c478bd9Sstevel@tonic-gate vec->a_data[i].a_type = UMEM_UNINITIALIZED_PATTERN; 104*7c478bd9Sstevel@tonic-gate vec->a_data[i].a_un.a_val = 105*7c478bd9Sstevel@tonic-gate ((u_longlong_t)UMEM_UNINITIALIZED_PATTERN << 32) | 106*7c478bd9Sstevel@tonic-gate ((u_longlong_t)UMEM_UNINITIALIZED_PATTERN); 107*7c478bd9Sstevel@tonic-gate } 108*7c478bd9Sstevel@tonic-gate #endif 109*7c478bd9Sstevel@tonic-gate vec->a_nelems = 0; 110*7c478bd9Sstevel@tonic-gate } 111*7c478bd9Sstevel@tonic-gate 112*7c478bd9Sstevel@tonic-gate void 113*7c478bd9Sstevel@tonic-gate mdb_argvec_copy(mdb_argvec_t *dst, const mdb_argvec_t *src) 114*7c478bd9Sstevel@tonic-gate { 115*7c478bd9Sstevel@tonic-gate if (src->a_nelems > dst->a_size) { 116*7c478bd9Sstevel@tonic-gate mdb_arg_t *data = 117*7c478bd9Sstevel@tonic-gate mdb_alloc(sizeof (mdb_arg_t) * src->a_nelems, UM_NOSLEEP); 118*7c478bd9Sstevel@tonic-gate 119*7c478bd9Sstevel@tonic-gate if (data == NULL) { 120*7c478bd9Sstevel@tonic-gate warn("failed to grow argument vector"); 121*7c478bd9Sstevel@tonic-gate longjmp(mdb.m_frame->f_pcb, MDB_ERR_NOMEM); 122*7c478bd9Sstevel@tonic-gate } 123*7c478bd9Sstevel@tonic-gate 124*7c478bd9Sstevel@tonic-gate if (dst->a_data != NULL) 125*7c478bd9Sstevel@tonic-gate mdb_free(dst->a_data, sizeof (mdb_arg_t) * dst->a_size); 126*7c478bd9Sstevel@tonic-gate 127*7c478bd9Sstevel@tonic-gate dst->a_data = data; 128*7c478bd9Sstevel@tonic-gate dst->a_size = src->a_nelems; 129*7c478bd9Sstevel@tonic-gate } 130*7c478bd9Sstevel@tonic-gate 131*7c478bd9Sstevel@tonic-gate bcopy(src->a_data, dst->a_data, sizeof (mdb_arg_t) * src->a_nelems); 132*7c478bd9Sstevel@tonic-gate dst->a_nelems = src->a_nelems; 133*7c478bd9Sstevel@tonic-gate } 134*7c478bd9Sstevel@tonic-gate 135*7c478bd9Sstevel@tonic-gate static int 136*7c478bd9Sstevel@tonic-gate argvec_process_subopt(const mdb_opt_t *opt, const mdb_arg_t *arg) 137*7c478bd9Sstevel@tonic-gate { 138*7c478bd9Sstevel@tonic-gate mdb_subopt_t *sop; 139*7c478bd9Sstevel@tonic-gate const char *start; 140*7c478bd9Sstevel@tonic-gate const char *next; 141*7c478bd9Sstevel@tonic-gate char error[32]; 142*7c478bd9Sstevel@tonic-gate size_t len; 143*7c478bd9Sstevel@tonic-gate uint_t value = 0; 144*7c478bd9Sstevel@tonic-gate uint_t i; 145*7c478bd9Sstevel@tonic-gate 146*7c478bd9Sstevel@tonic-gate start = arg->a_un.a_str; 147*7c478bd9Sstevel@tonic-gate 148*7c478bd9Sstevel@tonic-gate for (i = 0; ; i++) { 149*7c478bd9Sstevel@tonic-gate next = strchr(start, ','); 150*7c478bd9Sstevel@tonic-gate 151*7c478bd9Sstevel@tonic-gate if (next == NULL) 152*7c478bd9Sstevel@tonic-gate len = strlen(start); 153*7c478bd9Sstevel@tonic-gate else 154*7c478bd9Sstevel@tonic-gate len = next - start; 155*7c478bd9Sstevel@tonic-gate 156*7c478bd9Sstevel@tonic-gate /* 157*7c478bd9Sstevel@tonic-gate * Record the index of the subopt if a match if found. 158*7c478bd9Sstevel@tonic-gate */ 159*7c478bd9Sstevel@tonic-gate for (sop = opt->opt_subopts; sop->sop_flag; sop++) { 160*7c478bd9Sstevel@tonic-gate if (strlen(sop->sop_str) == len && 161*7c478bd9Sstevel@tonic-gate strncmp(sop->sop_str, start, len) == 0) { 162*7c478bd9Sstevel@tonic-gate value |= sop->sop_flag; 163*7c478bd9Sstevel@tonic-gate sop->sop_index = i; 164*7c478bd9Sstevel@tonic-gate goto found; 165*7c478bd9Sstevel@tonic-gate } 166*7c478bd9Sstevel@tonic-gate } 167*7c478bd9Sstevel@tonic-gate (void) mdb_snprintf(error, len + 1, "%s", start); 168*7c478bd9Sstevel@tonic-gate warn("invalid option for -%c: \"%s\"\n", opt->opt_char, error); 169*7c478bd9Sstevel@tonic-gate 170*7c478bd9Sstevel@tonic-gate return (-1); 171*7c478bd9Sstevel@tonic-gate 172*7c478bd9Sstevel@tonic-gate found: 173*7c478bd9Sstevel@tonic-gate if (next == NULL) 174*7c478bd9Sstevel@tonic-gate break; 175*7c478bd9Sstevel@tonic-gate start = next + 1; 176*7c478bd9Sstevel@tonic-gate } 177*7c478bd9Sstevel@tonic-gate 178*7c478bd9Sstevel@tonic-gate *((uint_t *)opt->opt_valp) = value; 179*7c478bd9Sstevel@tonic-gate 180*7c478bd9Sstevel@tonic-gate return (0); 181*7c478bd9Sstevel@tonic-gate } 182*7c478bd9Sstevel@tonic-gate 183*7c478bd9Sstevel@tonic-gate 184*7c478bd9Sstevel@tonic-gate static int 185*7c478bd9Sstevel@tonic-gate argvec_process_opt(const mdb_opt_t *opt, const mdb_arg_t *arg) 186*7c478bd9Sstevel@tonic-gate { 187*7c478bd9Sstevel@tonic-gate uint64_t ui64; 188*7c478bd9Sstevel@tonic-gate uintptr_t uip; 189*7c478bd9Sstevel@tonic-gate 190*7c478bd9Sstevel@tonic-gate switch (opt->opt_type) { 191*7c478bd9Sstevel@tonic-gate case MDB_OPT_SETBITS: 192*7c478bd9Sstevel@tonic-gate *((uint_t *)opt->opt_valp) |= opt->opt_bits; 193*7c478bd9Sstevel@tonic-gate break; 194*7c478bd9Sstevel@tonic-gate 195*7c478bd9Sstevel@tonic-gate case MDB_OPT_CLRBITS: 196*7c478bd9Sstevel@tonic-gate *((uint_t *)opt->opt_valp) &= ~opt->opt_bits; 197*7c478bd9Sstevel@tonic-gate break; 198*7c478bd9Sstevel@tonic-gate 199*7c478bd9Sstevel@tonic-gate case MDB_OPT_STR: 200*7c478bd9Sstevel@tonic-gate if (arg->a_type != MDB_TYPE_STRING) { 201*7c478bd9Sstevel@tonic-gate warn("string argument required for -%c\n", 202*7c478bd9Sstevel@tonic-gate opt->opt_char); 203*7c478bd9Sstevel@tonic-gate return (-1); 204*7c478bd9Sstevel@tonic-gate } 205*7c478bd9Sstevel@tonic-gate *((const char **)opt->opt_valp) = arg->a_un.a_str; 206*7c478bd9Sstevel@tonic-gate break; 207*7c478bd9Sstevel@tonic-gate 208*7c478bd9Sstevel@tonic-gate case MDB_OPT_UINTPTR_SET: 209*7c478bd9Sstevel@tonic-gate *opt->opt_flag = TRUE; 210*7c478bd9Sstevel@tonic-gate /* FALLTHROUGH */ 211*7c478bd9Sstevel@tonic-gate case MDB_OPT_UINTPTR: 212*7c478bd9Sstevel@tonic-gate if (arg->a_type == MDB_TYPE_STRING) 213*7c478bd9Sstevel@tonic-gate uip = (uintptr_t)mdb_strtoull(arg->a_un.a_str); 214*7c478bd9Sstevel@tonic-gate else 215*7c478bd9Sstevel@tonic-gate uip = (uintptr_t)arg->a_un.a_val; 216*7c478bd9Sstevel@tonic-gate *((uintptr_t *)opt->opt_valp) = uip; 217*7c478bd9Sstevel@tonic-gate break; 218*7c478bd9Sstevel@tonic-gate 219*7c478bd9Sstevel@tonic-gate case MDB_OPT_UINT64: 220*7c478bd9Sstevel@tonic-gate if (arg->a_type == MDB_TYPE_STRING) 221*7c478bd9Sstevel@tonic-gate ui64 = mdb_strtoull(arg->a_un.a_str); 222*7c478bd9Sstevel@tonic-gate else 223*7c478bd9Sstevel@tonic-gate ui64 = arg->a_un.a_val; 224*7c478bd9Sstevel@tonic-gate *((uint64_t *)opt->opt_valp) = ui64; 225*7c478bd9Sstevel@tonic-gate break; 226*7c478bd9Sstevel@tonic-gate 227*7c478bd9Sstevel@tonic-gate case MDB_OPT_SUBOPTS: 228*7c478bd9Sstevel@tonic-gate if (arg->a_type != MDB_TYPE_STRING) { 229*7c478bd9Sstevel@tonic-gate warn("string argument required for -%c\n", 230*7c478bd9Sstevel@tonic-gate opt->opt_char); 231*7c478bd9Sstevel@tonic-gate return (-1); 232*7c478bd9Sstevel@tonic-gate } 233*7c478bd9Sstevel@tonic-gate return (argvec_process_subopt(opt, arg)); 234*7c478bd9Sstevel@tonic-gate 235*7c478bd9Sstevel@tonic-gate default: 236*7c478bd9Sstevel@tonic-gate warn("internal: bad opt=%p type=%hx\n", 237*7c478bd9Sstevel@tonic-gate (void *)opt, opt->opt_type); 238*7c478bd9Sstevel@tonic-gate return (-1); 239*7c478bd9Sstevel@tonic-gate } 240*7c478bd9Sstevel@tonic-gate 241*7c478bd9Sstevel@tonic-gate return (0); 242*7c478bd9Sstevel@tonic-gate } 243*7c478bd9Sstevel@tonic-gate 244*7c478bd9Sstevel@tonic-gate static const mdb_opt_t * 245*7c478bd9Sstevel@tonic-gate argvec_findopt(const mdb_opt_t *opts, char c) 246*7c478bd9Sstevel@tonic-gate { 247*7c478bd9Sstevel@tonic-gate const mdb_opt_t *optp; 248*7c478bd9Sstevel@tonic-gate 249*7c478bd9Sstevel@tonic-gate for (optp = opts; optp->opt_char != 0; optp++) { 250*7c478bd9Sstevel@tonic-gate if (optp->opt_char == c) 251*7c478bd9Sstevel@tonic-gate return (optp); 252*7c478bd9Sstevel@tonic-gate } 253*7c478bd9Sstevel@tonic-gate 254*7c478bd9Sstevel@tonic-gate return (NULL); 255*7c478bd9Sstevel@tonic-gate } 256*7c478bd9Sstevel@tonic-gate 257*7c478bd9Sstevel@tonic-gate static int 258*7c478bd9Sstevel@tonic-gate argvec_getopts(const mdb_opt_t *opts, const mdb_arg_t *argv, int argc) 259*7c478bd9Sstevel@tonic-gate { 260*7c478bd9Sstevel@tonic-gate const mdb_opt_t *optp; 261*7c478bd9Sstevel@tonic-gate const mdb_arg_t *argp; 262*7c478bd9Sstevel@tonic-gate 263*7c478bd9Sstevel@tonic-gate mdb_arg_t arg; 264*7c478bd9Sstevel@tonic-gate 265*7c478bd9Sstevel@tonic-gate const char *p; 266*7c478bd9Sstevel@tonic-gate int i; 267*7c478bd9Sstevel@tonic-gate int nargs; /* Number of arguments consumed in an iteration */ 268*7c478bd9Sstevel@tonic-gate 269*7c478bd9Sstevel@tonic-gate for (i = 0; i < argc; i++, argv++) { 270*7c478bd9Sstevel@tonic-gate /* 271*7c478bd9Sstevel@tonic-gate * Each option must begin with a string argument whose first 272*7c478bd9Sstevel@tonic-gate * character is '-' and has additional characters afterward. 273*7c478bd9Sstevel@tonic-gate */ 274*7c478bd9Sstevel@tonic-gate if (argv->a_type != MDB_TYPE_STRING || 275*7c478bd9Sstevel@tonic-gate argv->a_un.a_str[0] != '-' || argv->a_un.a_str[1] == '\0') 276*7c478bd9Sstevel@tonic-gate return (i); 277*7c478bd9Sstevel@tonic-gate 278*7c478bd9Sstevel@tonic-gate /* 279*7c478bd9Sstevel@tonic-gate * The special prefix '--' ends option processing. 280*7c478bd9Sstevel@tonic-gate */ 281*7c478bd9Sstevel@tonic-gate if (strncmp(argv->a_un.a_str, "--", 2) == 0) 282*7c478bd9Sstevel@tonic-gate return (i); 283*7c478bd9Sstevel@tonic-gate 284*7c478bd9Sstevel@tonic-gate for (p = &argv->a_un.a_str[1]; *p != '\0'; p++) { 285*7c478bd9Sstevel@tonic-gate /* 286*7c478bd9Sstevel@tonic-gate * Locate an option struct whose opt_char field 287*7c478bd9Sstevel@tonic-gate * matches the current option letter. 288*7c478bd9Sstevel@tonic-gate */ 289*7c478bd9Sstevel@tonic-gate if ((optp = argvec_findopt(opts, *p)) == NULL) { 290*7c478bd9Sstevel@tonic-gate warn("illegal option -- %c\n", *p); 291*7c478bd9Sstevel@tonic-gate return (i); 292*7c478bd9Sstevel@tonic-gate } 293*7c478bd9Sstevel@tonic-gate 294*7c478bd9Sstevel@tonic-gate /* 295*7c478bd9Sstevel@tonic-gate * Require an argument for strings, immediate 296*7c478bd9Sstevel@tonic-gate * values, subopt-lists and callback functions 297*7c478bd9Sstevel@tonic-gate * which require arguments. 298*7c478bd9Sstevel@tonic-gate */ 299*7c478bd9Sstevel@tonic-gate if (optp->opt_type == MDB_OPT_STR || 300*7c478bd9Sstevel@tonic-gate optp->opt_type == MDB_OPT_UINTPTR || 301*7c478bd9Sstevel@tonic-gate optp->opt_type == MDB_OPT_UINTPTR_SET || 302*7c478bd9Sstevel@tonic-gate optp->opt_type == MDB_OPT_SUBOPTS || 303*7c478bd9Sstevel@tonic-gate optp->opt_type == MDB_OPT_UINT64) { 304*7c478bd9Sstevel@tonic-gate /* 305*7c478bd9Sstevel@tonic-gate * More text after the option letter: 306*7c478bd9Sstevel@tonic-gate * forge a string argument from remainder. 307*7c478bd9Sstevel@tonic-gate */ 308*7c478bd9Sstevel@tonic-gate if (p[1] != '\0') { 309*7c478bd9Sstevel@tonic-gate arg.a_type = MDB_TYPE_STRING; 310*7c478bd9Sstevel@tonic-gate arg.a_un.a_str = ++p; 311*7c478bd9Sstevel@tonic-gate argp = &arg; 312*7c478bd9Sstevel@tonic-gate p += strlen(p) - 1; 313*7c478bd9Sstevel@tonic-gate 314*7c478bd9Sstevel@tonic-gate nargs = 0; 315*7c478bd9Sstevel@tonic-gate /* 316*7c478bd9Sstevel@tonic-gate * Otherwise use the next argv element as 317*7c478bd9Sstevel@tonic-gate * the argument if there is one. 318*7c478bd9Sstevel@tonic-gate */ 319*7c478bd9Sstevel@tonic-gate } else if (++i == argc) { 320*7c478bd9Sstevel@tonic-gate warn("option requires an " 321*7c478bd9Sstevel@tonic-gate "argument -- %c\n", *p); 322*7c478bd9Sstevel@tonic-gate return (i - 1); 323*7c478bd9Sstevel@tonic-gate } else { 324*7c478bd9Sstevel@tonic-gate argp = ++argv; 325*7c478bd9Sstevel@tonic-gate nargs = 1; 326*7c478bd9Sstevel@tonic-gate } 327*7c478bd9Sstevel@tonic-gate } else { 328*7c478bd9Sstevel@tonic-gate argp = NULL; 329*7c478bd9Sstevel@tonic-gate nargs = 0; 330*7c478bd9Sstevel@tonic-gate } 331*7c478bd9Sstevel@tonic-gate 332*7c478bd9Sstevel@tonic-gate /* 333*7c478bd9Sstevel@tonic-gate * Perform type-specific handling for this option. 334*7c478bd9Sstevel@tonic-gate */ 335*7c478bd9Sstevel@tonic-gate if (argvec_process_opt(optp, argp) == -1) 336*7c478bd9Sstevel@tonic-gate return (i - nargs); 337*7c478bd9Sstevel@tonic-gate } 338*7c478bd9Sstevel@tonic-gate } 339*7c478bd9Sstevel@tonic-gate 340*7c478bd9Sstevel@tonic-gate return (i); 341*7c478bd9Sstevel@tonic-gate } 342*7c478bd9Sstevel@tonic-gate 343*7c478bd9Sstevel@tonic-gate int 344*7c478bd9Sstevel@tonic-gate mdb_getopts(int argc, const mdb_arg_t *argv, ...) 345*7c478bd9Sstevel@tonic-gate { 346*7c478bd9Sstevel@tonic-gate /* 347*7c478bd9Sstevel@tonic-gate * For simplicity just declare enough options on the stack to handle 348*7c478bd9Sstevel@tonic-gate * a-z and A-Z and an extra terminator. 349*7c478bd9Sstevel@tonic-gate */ 350*7c478bd9Sstevel@tonic-gate mdb_opt_t opts[53], *op = &opts[0]; 351*7c478bd9Sstevel@tonic-gate va_list alist; 352*7c478bd9Sstevel@tonic-gate int c, i = 0; 353*7c478bd9Sstevel@tonic-gate mdb_subopt_t *sop; 354*7c478bd9Sstevel@tonic-gate 355*7c478bd9Sstevel@tonic-gate va_start(alist, argv); 356*7c478bd9Sstevel@tonic-gate 357*7c478bd9Sstevel@tonic-gate for (i = 0; i < (sizeof (opts) / sizeof (opts[0]) - 1); i++, op++) { 358*7c478bd9Sstevel@tonic-gate if ((c = va_arg(alist, int)) == 0) 359*7c478bd9Sstevel@tonic-gate break; /* end of options */ 360*7c478bd9Sstevel@tonic-gate 361*7c478bd9Sstevel@tonic-gate op->opt_char = (char)c; 362*7c478bd9Sstevel@tonic-gate op->opt_type = va_arg(alist, uint_t); 363*7c478bd9Sstevel@tonic-gate 364*7c478bd9Sstevel@tonic-gate if (op->opt_type == MDB_OPT_SETBITS || 365*7c478bd9Sstevel@tonic-gate op->opt_type == MDB_OPT_CLRBITS) { 366*7c478bd9Sstevel@tonic-gate op->opt_bits = va_arg(alist, uint_t); 367*7c478bd9Sstevel@tonic-gate } else if (op->opt_type == MDB_OPT_UINTPTR_SET) { 368*7c478bd9Sstevel@tonic-gate op->opt_flag = va_arg(alist, boolean_t *); 369*7c478bd9Sstevel@tonic-gate } else if (op->opt_type == MDB_OPT_SUBOPTS) { 370*7c478bd9Sstevel@tonic-gate op->opt_subopts = va_arg(alist, mdb_subopt_t *); 371*7c478bd9Sstevel@tonic-gate 372*7c478bd9Sstevel@tonic-gate for (sop = op->opt_subopts; sop->sop_flag; sop++) 373*7c478bd9Sstevel@tonic-gate sop->sop_index = -1; 374*7c478bd9Sstevel@tonic-gate } 375*7c478bd9Sstevel@tonic-gate 376*7c478bd9Sstevel@tonic-gate op->opt_valp = va_arg(alist, void *); 377*7c478bd9Sstevel@tonic-gate } 378*7c478bd9Sstevel@tonic-gate 379*7c478bd9Sstevel@tonic-gate bzero(&opts[i], sizeof (mdb_opt_t)); 380*7c478bd9Sstevel@tonic-gate va_end(alist); 381*7c478bd9Sstevel@tonic-gate 382*7c478bd9Sstevel@tonic-gate return (argvec_getopts(opts, argv, argc)); 383*7c478bd9Sstevel@tonic-gate } 384*7c478bd9Sstevel@tonic-gate 385*7c478bd9Sstevel@tonic-gate /* 386*7c478bd9Sstevel@tonic-gate * The old adb breakpoint and watchpoint routines did not accept any arguments; 387*7c478bd9Sstevel@tonic-gate * all characters after the verb were concatenated to form the string callback. 388*7c478bd9Sstevel@tonic-gate * This utility function concatenates all arguments in argv[] into a single 389*7c478bd9Sstevel@tonic-gate * string to simplify the implementation of these legacy routines. 390*7c478bd9Sstevel@tonic-gate */ 391*7c478bd9Sstevel@tonic-gate char * 392*7c478bd9Sstevel@tonic-gate mdb_argv_to_str(int argc, const mdb_arg_t *argv) 393*7c478bd9Sstevel@tonic-gate { 394*7c478bd9Sstevel@tonic-gate char *s = NULL; 395*7c478bd9Sstevel@tonic-gate size_t n = 0; 396*7c478bd9Sstevel@tonic-gate int i; 397*7c478bd9Sstevel@tonic-gate 398*7c478bd9Sstevel@tonic-gate for (i = 0; i < argc; i++) { 399*7c478bd9Sstevel@tonic-gate if (argv[i].a_type == MDB_TYPE_STRING) 400*7c478bd9Sstevel@tonic-gate n += strlen(argv[i].a_un.a_str); 401*7c478bd9Sstevel@tonic-gate } 402*7c478bd9Sstevel@tonic-gate 403*7c478bd9Sstevel@tonic-gate if (n != 0) { 404*7c478bd9Sstevel@tonic-gate s = mdb_zalloc(n + argc, UM_SLEEP); 405*7c478bd9Sstevel@tonic-gate 406*7c478bd9Sstevel@tonic-gate for (i = 0; i < argc - 1; i++, argv++) { 407*7c478bd9Sstevel@tonic-gate (void) strcat(s, argv->a_un.a_str); 408*7c478bd9Sstevel@tonic-gate (void) strcat(s, " "); 409*7c478bd9Sstevel@tonic-gate } 410*7c478bd9Sstevel@tonic-gate 411*7c478bd9Sstevel@tonic-gate (void) strcat(s, argv->a_un.a_str); 412*7c478bd9Sstevel@tonic-gate } 413*7c478bd9Sstevel@tonic-gate 414*7c478bd9Sstevel@tonic-gate return (s); 415*7c478bd9Sstevel@tonic-gate } 416