1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright (c) 1999 by Sun Microsystems, Inc. 24*0Sstevel@tonic-gate * All rights reserved. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate /* 30*0Sstevel@tonic-gate * Manipulates the nfslogtab 31*0Sstevel@tonic-gate */ 32*0Sstevel@tonic-gate 33*0Sstevel@tonic-gate #ifndef _REENTRANT 34*0Sstevel@tonic-gate #define _REENTRANT 35*0Sstevel@tonic-gate #endif 36*0Sstevel@tonic-gate 37*0Sstevel@tonic-gate #include <sys/types.h> 38*0Sstevel@tonic-gate #include <sys/stat.h> 39*0Sstevel@tonic-gate #include <errno.h> 40*0Sstevel@tonic-gate #include <utmpx.h> 41*0Sstevel@tonic-gate #include <assert.h> 42*0Sstevel@tonic-gate #include <stdio.h> 43*0Sstevel@tonic-gate #include <stdlib.h> 44*0Sstevel@tonic-gate #include <unistd.h> 45*0Sstevel@tonic-gate #include <strings.h> 46*0Sstevel@tonic-gate #include <string.h> 47*0Sstevel@tonic-gate #include "nfslogtab.h" 48*0Sstevel@tonic-gate 49*0Sstevel@tonic-gate #ifndef LINTHAPPY 50*0Sstevel@tonic-gate #define LINTHAPPY 51*0Sstevel@tonic-gate #endif 52*0Sstevel@tonic-gate 53*0Sstevel@tonic-gate static void logtab_ent_list_free(struct logtab_ent_list *); 54*0Sstevel@tonic-gate 55*0Sstevel@tonic-gate /* 56*0Sstevel@tonic-gate * Retrieves the next entry from nfslogtab. 57*0Sstevel@tonic-gate * Assumes the file is locked. 58*0Sstevel@tonic-gate * '*lepp' points to the new entry if successful. 59*0Sstevel@tonic-gate * Returns: 60*0Sstevel@tonic-gate * > 0 valid entry 61*0Sstevel@tonic-gate * = 0 end of file 62*0Sstevel@tonic-gate * < 0 error 63*0Sstevel@tonic-gate */ 64*0Sstevel@tonic-gate int 65*0Sstevel@tonic-gate logtab_getent(FILE *fd, struct logtab_ent **lepp) 66*0Sstevel@tonic-gate { 67*0Sstevel@tonic-gate char line[MAXBUFSIZE + 1]; 68*0Sstevel@tonic-gate char *p; 69*0Sstevel@tonic-gate char *lasts, *tmp; 70*0Sstevel@tonic-gate char *w = " \t"; 71*0Sstevel@tonic-gate struct logtab_ent *lep = NULL; 72*0Sstevel@tonic-gate int error = 0; 73*0Sstevel@tonic-gate 74*0Sstevel@tonic-gate if ((lep = (struct logtab_ent *)malloc(sizeof (*lep))) == NULL) { 75*0Sstevel@tonic-gate return (-1); 76*0Sstevel@tonic-gate } 77*0Sstevel@tonic-gate (void) memset((char *)lep, 0, sizeof (*lep)); 78*0Sstevel@tonic-gate 79*0Sstevel@tonic-gate if ((p = fgets(line, MAXBUFSIZE, fd)) == NULL) { 80*0Sstevel@tonic-gate error = 0; 81*0Sstevel@tonic-gate goto errout; 82*0Sstevel@tonic-gate } 83*0Sstevel@tonic-gate 84*0Sstevel@tonic-gate line[strlen(line) - 1] = '\0'; 85*0Sstevel@tonic-gate 86*0Sstevel@tonic-gate tmp = (char *)strtok_r(p, w, &lasts); 87*0Sstevel@tonic-gate if (tmp == NULL) { 88*0Sstevel@tonic-gate error = -1; 89*0Sstevel@tonic-gate goto errout; 90*0Sstevel@tonic-gate } 91*0Sstevel@tonic-gate if ((lep->le_buffer = strdup(tmp)) == NULL) { 92*0Sstevel@tonic-gate error = -1; 93*0Sstevel@tonic-gate goto errout; 94*0Sstevel@tonic-gate } 95*0Sstevel@tonic-gate 96*0Sstevel@tonic-gate tmp = (char *)strtok_r(NULL, w, &lasts); 97*0Sstevel@tonic-gate if (tmp == NULL) { 98*0Sstevel@tonic-gate error = -1; 99*0Sstevel@tonic-gate goto errout; 100*0Sstevel@tonic-gate } 101*0Sstevel@tonic-gate if ((lep->le_path = strdup(tmp)) == NULL) { 102*0Sstevel@tonic-gate error = -1; 103*0Sstevel@tonic-gate goto errout; 104*0Sstevel@tonic-gate } 105*0Sstevel@tonic-gate 106*0Sstevel@tonic-gate tmp = (char *)strtok_r(NULL, w, &lasts); 107*0Sstevel@tonic-gate if (tmp == NULL) { 108*0Sstevel@tonic-gate error = -1; 109*0Sstevel@tonic-gate goto errout; 110*0Sstevel@tonic-gate } 111*0Sstevel@tonic-gate if ((lep->le_tag = strdup(tmp)) == NULL) { 112*0Sstevel@tonic-gate error = -1; 113*0Sstevel@tonic-gate goto errout; 114*0Sstevel@tonic-gate } 115*0Sstevel@tonic-gate 116*0Sstevel@tonic-gate tmp = (char *)strtok_r(NULL, w, &lasts); 117*0Sstevel@tonic-gate if (tmp == NULL) { 118*0Sstevel@tonic-gate error = -1; 119*0Sstevel@tonic-gate goto errout; 120*0Sstevel@tonic-gate } 121*0Sstevel@tonic-gate lep->le_state = atoi(tmp); 122*0Sstevel@tonic-gate 123*0Sstevel@tonic-gate *lepp = lep; 124*0Sstevel@tonic-gate return (1); 125*0Sstevel@tonic-gate 126*0Sstevel@tonic-gate errout: 127*0Sstevel@tonic-gate logtab_ent_free(lep); 128*0Sstevel@tonic-gate 129*0Sstevel@tonic-gate return (error); 130*0Sstevel@tonic-gate } 131*0Sstevel@tonic-gate 132*0Sstevel@tonic-gate /* 133*0Sstevel@tonic-gate * Append an entry to the logtab file. 134*0Sstevel@tonic-gate */ 135*0Sstevel@tonic-gate int 136*0Sstevel@tonic-gate logtab_putent(FILE *fd, struct logtab_ent *lep) 137*0Sstevel@tonic-gate { 138*0Sstevel@tonic-gate int r; 139*0Sstevel@tonic-gate 140*0Sstevel@tonic-gate if (fseek(fd, 0L, SEEK_END) < 0) 141*0Sstevel@tonic-gate return (errno); 142*0Sstevel@tonic-gate 143*0Sstevel@tonic-gate r = fprintf(fd, "%s\t%s\t%s\t%d\n", 144*0Sstevel@tonic-gate lep->le_buffer, 145*0Sstevel@tonic-gate lep->le_path, 146*0Sstevel@tonic-gate lep->le_tag, 147*0Sstevel@tonic-gate lep->le_state); 148*0Sstevel@tonic-gate 149*0Sstevel@tonic-gate return (r); 150*0Sstevel@tonic-gate } 151*0Sstevel@tonic-gate 152*0Sstevel@tonic-gate #ifndef LINTHAPPY 153*0Sstevel@tonic-gate /* 154*0Sstevel@tonic-gate * Searches the nfslogtab file looking for the next entry which matches 155*0Sstevel@tonic-gate * the search criteria. The search is continued at the current position 156*0Sstevel@tonic-gate * in the nfslogtab file. 157*0Sstevel@tonic-gate * If 'buffer' != NULL, then buffer is matched. 158*0Sstevel@tonic-gate * If 'path' != NULL, then path is matched. 159*0Sstevel@tonic-gate * If 'tag' != NULL, then tag is matched. 160*0Sstevel@tonic-gate * If 'state' != -1, then state is matched. 161*0Sstevel@tonic-gate * 'buffer', 'path' and 'tag' can all be non-NULL, which means the entry must 162*0Sstevel@tonic-gate * satisfy all requirements. 163*0Sstevel@tonic-gate * 164*0Sstevel@tonic-gate * Returns 0 on success, ENOENT otherwise. 165*0Sstevel@tonic-gate * If found, '*lepp' points to the matching entry, otherwise '*lepp' is 166*0Sstevel@tonic-gate * undefined. 167*0Sstevel@tonic-gate */ 168*0Sstevel@tonic-gate static int 169*0Sstevel@tonic-gate logtab_findent(FILE *fd, char *buffer, char *path, char *tag, int state, 170*0Sstevel@tonic-gate struct logtab_ent **lepp) 171*0Sstevel@tonic-gate { 172*0Sstevel@tonic-gate boolean_t found = B_FALSE; 173*0Sstevel@tonic-gate 174*0Sstevel@tonic-gate while (!found && (logtab_getent(fd, lepp) > 0)) { 175*0Sstevel@tonic-gate found = B_TRUE; 176*0Sstevel@tonic-gate if (buffer != NULL) 177*0Sstevel@tonic-gate found = strcmp(buffer, (*lepp)->le_buffer) == 0; 178*0Sstevel@tonic-gate if (path != NULL) 179*0Sstevel@tonic-gate found = found && (strcmp(path, (*lepp)->le_path) == 0); 180*0Sstevel@tonic-gate if (tag != NULL) 181*0Sstevel@tonic-gate found = found && (strcmp(tag, (*lepp)->le_tag) == 0); 182*0Sstevel@tonic-gate if (state != -1) 183*0Sstevel@tonic-gate found = found && (state == (*lepp)->le_state); 184*0Sstevel@tonic-gate if (!found) 185*0Sstevel@tonic-gate logtab_ent_free(*lepp); 186*0Sstevel@tonic-gate } 187*0Sstevel@tonic-gate 188*0Sstevel@tonic-gate return (found ? 0 : ENOENT); 189*0Sstevel@tonic-gate } 190*0Sstevel@tonic-gate #endif 191*0Sstevel@tonic-gate 192*0Sstevel@tonic-gate /* 193*0Sstevel@tonic-gate * Remove all entries which match the search criteria. 194*0Sstevel@tonic-gate * If 'buffer' != NULL, then buffer is matched. 195*0Sstevel@tonic-gate * If 'path' != NULL, then path is matched. 196*0Sstevel@tonic-gate * If 'tag' != NULL, then tag is matched. 197*0Sstevel@tonic-gate * If 'state' != -1, then state is matched. 198*0Sstevel@tonic-gate * 'buffer', 'path' and 'tag' can all be non-NULL, which means the entry must 199*0Sstevel@tonic-gate * satisfy all requirements. 200*0Sstevel@tonic-gate * The file is assumed to be locked. 201*0Sstevel@tonic-gate * Read the entries into a linked list of logtab_ent structures 202*0Sstevel@tonic-gate * minus the entries to be removed, then truncate the nfslogtab 203*0Sstevel@tonic-gate * file and write it back to the file from the linked list. 204*0Sstevel@tonic-gate * 205*0Sstevel@tonic-gate * On success returns 0, -1 otherwise. 206*0Sstevel@tonic-gate * Entry not found is treated as success since it was going to be removed 207*0Sstevel@tonic-gate * anyway. 208*0Sstevel@tonic-gate */ 209*0Sstevel@tonic-gate int 210*0Sstevel@tonic-gate logtab_rement(FILE *fd, char *buffer, char *path, char *tag, int state) 211*0Sstevel@tonic-gate { 212*0Sstevel@tonic-gate struct logtab_ent_list *head = NULL, *tail = NULL, *tmpl; 213*0Sstevel@tonic-gate struct logtab_ent *lep; 214*0Sstevel@tonic-gate int remcnt = 0; /* remove count */ 215*0Sstevel@tonic-gate int error = 0; 216*0Sstevel@tonic-gate boolean_t found; 217*0Sstevel@tonic-gate 218*0Sstevel@tonic-gate rewind(fd); 219*0Sstevel@tonic-gate while ((error = logtab_getent(fd, &lep)) > 0) { 220*0Sstevel@tonic-gate found = B_TRUE; 221*0Sstevel@tonic-gate if (buffer != NULL) 222*0Sstevel@tonic-gate found = strcmp(buffer, lep->le_buffer) == 0; 223*0Sstevel@tonic-gate if (path != NULL) 224*0Sstevel@tonic-gate found = found && (strcmp(path, lep->le_path) == 0); 225*0Sstevel@tonic-gate if (tag != NULL) 226*0Sstevel@tonic-gate found = found && (strcmp(tag, lep->le_tag) == 0); 227*0Sstevel@tonic-gate if (state != -1) 228*0Sstevel@tonic-gate found = found && (state == lep->le_state); 229*0Sstevel@tonic-gate if (found) { 230*0Sstevel@tonic-gate remcnt++; 231*0Sstevel@tonic-gate logtab_ent_free(lep); 232*0Sstevel@tonic-gate } else { 233*0Sstevel@tonic-gate tmpl = (struct logtab_ent_list *) 234*0Sstevel@tonic-gate malloc(sizeof (struct logtab_ent)); 235*0Sstevel@tonic-gate if (tmpl == NULL) { 236*0Sstevel@tonic-gate error = ENOENT; 237*0Sstevel@tonic-gate break; 238*0Sstevel@tonic-gate } 239*0Sstevel@tonic-gate 240*0Sstevel@tonic-gate tmpl->lel_le = lep; 241*0Sstevel@tonic-gate tmpl->lel_next = NULL; 242*0Sstevel@tonic-gate if (head == NULL) { 243*0Sstevel@tonic-gate /* 244*0Sstevel@tonic-gate * empty list 245*0Sstevel@tonic-gate */ 246*0Sstevel@tonic-gate head = tail = tmpl; 247*0Sstevel@tonic-gate } else { 248*0Sstevel@tonic-gate /* 249*0Sstevel@tonic-gate * Add to the end of the list and remember 250*0Sstevel@tonic-gate * the new last element. 251*0Sstevel@tonic-gate */ 252*0Sstevel@tonic-gate tail->lel_next = tmpl; 253*0Sstevel@tonic-gate tail = tmpl; /* remember the last element */ 254*0Sstevel@tonic-gate } 255*0Sstevel@tonic-gate } 256*0Sstevel@tonic-gate } 257*0Sstevel@tonic-gate 258*0Sstevel@tonic-gate if (error) 259*0Sstevel@tonic-gate goto deallocate; 260*0Sstevel@tonic-gate 261*0Sstevel@tonic-gate if (remcnt == 0) { 262*0Sstevel@tonic-gate /* 263*0Sstevel@tonic-gate * Entry not found, nothing to do 264*0Sstevel@tonic-gate */ 265*0Sstevel@tonic-gate goto deallocate; 266*0Sstevel@tonic-gate } 267*0Sstevel@tonic-gate 268*0Sstevel@tonic-gate if (ftruncate(fileno(fd), 0) < 0) { 269*0Sstevel@tonic-gate error = -1; 270*0Sstevel@tonic-gate goto deallocate; 271*0Sstevel@tonic-gate } 272*0Sstevel@tonic-gate 273*0Sstevel@tonic-gate for (tmpl = head; tmpl != NULL; tmpl = tmpl->lel_next) 274*0Sstevel@tonic-gate (void) logtab_putent(fd, tmpl->lel_le); 275*0Sstevel@tonic-gate 276*0Sstevel@tonic-gate deallocate: 277*0Sstevel@tonic-gate logtab_ent_list_free(head); 278*0Sstevel@tonic-gate 279*0Sstevel@tonic-gate return (error); 280*0Sstevel@tonic-gate } 281*0Sstevel@tonic-gate 282*0Sstevel@tonic-gate /* 283*0Sstevel@tonic-gate * Deactivate all entries matching search criteria. 284*0Sstevel@tonic-gate * If 'buffer' != NULL then match buffer. 285*0Sstevel@tonic-gate * If 'path' != NULL then match path. 286*0Sstevel@tonic-gate * If 'tag' != NULL then match tag. 287*0Sstevel@tonic-gate * Note that 'buffer', 'path' and 'tag' can al be non-null at the same time. 288*0Sstevel@tonic-gate * 289*0Sstevel@tonic-gate * Rewrites the nfslogtab file with the updated state for each entry. 290*0Sstevel@tonic-gate * Assumes the nfslogtab file has been locked for writing. 291*0Sstevel@tonic-gate * Returns 0 on success, -1 on failure. 292*0Sstevel@tonic-gate */ 293*0Sstevel@tonic-gate int 294*0Sstevel@tonic-gate logtab_deactivate(FILE *fd, char *buffer, char *path, char *tag) 295*0Sstevel@tonic-gate { 296*0Sstevel@tonic-gate struct logtab_ent_list *lelp, *head = NULL, *tail = NULL; 297*0Sstevel@tonic-gate struct logtab_ent *lep; 298*0Sstevel@tonic-gate boolean_t found; 299*0Sstevel@tonic-gate int error = 0; 300*0Sstevel@tonic-gate int count = 0; 301*0Sstevel@tonic-gate 302*0Sstevel@tonic-gate rewind(fd); 303*0Sstevel@tonic-gate while ((error = logtab_getent(fd, &lep)) > 0) { 304*0Sstevel@tonic-gate found = B_TRUE; 305*0Sstevel@tonic-gate if (buffer != NULL) 306*0Sstevel@tonic-gate found = strcmp(buffer, lep->le_buffer) == 0; 307*0Sstevel@tonic-gate if (path != NULL) 308*0Sstevel@tonic-gate found = found && (strcmp(path, lep->le_path) == 0); 309*0Sstevel@tonic-gate if (tag != NULL) 310*0Sstevel@tonic-gate found = found && (strcmp(tag, lep->le_tag) == 0); 311*0Sstevel@tonic-gate if (found && (lep->le_state == LES_ACTIVE)) { 312*0Sstevel@tonic-gate count++; 313*0Sstevel@tonic-gate lep->le_state = LES_INACTIVE; 314*0Sstevel@tonic-gate } 315*0Sstevel@tonic-gate 316*0Sstevel@tonic-gate lelp = (struct logtab_ent_list *) 317*0Sstevel@tonic-gate malloc(sizeof (struct logtab_ent)); 318*0Sstevel@tonic-gate if (lelp == NULL) { 319*0Sstevel@tonic-gate error = ENOENT; 320*0Sstevel@tonic-gate break; 321*0Sstevel@tonic-gate } 322*0Sstevel@tonic-gate 323*0Sstevel@tonic-gate lelp->lel_le = lep; 324*0Sstevel@tonic-gate lelp->lel_next = NULL; 325*0Sstevel@tonic-gate if (head == NULL) { 326*0Sstevel@tonic-gate /* 327*0Sstevel@tonic-gate * empty list 328*0Sstevel@tonic-gate */ 329*0Sstevel@tonic-gate head = tail = lelp; 330*0Sstevel@tonic-gate } else { 331*0Sstevel@tonic-gate /* 332*0Sstevel@tonic-gate * Add to the end of the list and remember 333*0Sstevel@tonic-gate * the new last element. 334*0Sstevel@tonic-gate */ 335*0Sstevel@tonic-gate tail->lel_next = lelp; 336*0Sstevel@tonic-gate tail = lelp; /* remember the last element */ 337*0Sstevel@tonic-gate } 338*0Sstevel@tonic-gate } 339*0Sstevel@tonic-gate 340*0Sstevel@tonic-gate if (error) 341*0Sstevel@tonic-gate goto deallocate; 342*0Sstevel@tonic-gate 343*0Sstevel@tonic-gate if (count == 0) { 344*0Sstevel@tonic-gate /* 345*0Sstevel@tonic-gate * done 346*0Sstevel@tonic-gate */ 347*0Sstevel@tonic-gate error = 0; 348*0Sstevel@tonic-gate goto deallocate; 349*0Sstevel@tonic-gate } 350*0Sstevel@tonic-gate 351*0Sstevel@tonic-gate if (ftruncate(fileno(fd), 0) < 0) { 352*0Sstevel@tonic-gate error = -1; 353*0Sstevel@tonic-gate goto deallocate; 354*0Sstevel@tonic-gate } 355*0Sstevel@tonic-gate 356*0Sstevel@tonic-gate for (lelp = head; lelp != NULL; lelp = lelp->lel_next) 357*0Sstevel@tonic-gate (void) logtab_putent(fd, lelp->lel_le); 358*0Sstevel@tonic-gate 359*0Sstevel@tonic-gate deallocate: 360*0Sstevel@tonic-gate logtab_ent_list_free(head); 361*0Sstevel@tonic-gate 362*0Sstevel@tonic-gate return (error); 363*0Sstevel@tonic-gate } 364*0Sstevel@tonic-gate 365*0Sstevel@tonic-gate /* 366*0Sstevel@tonic-gate * Deactivates all entries if nfslogtab exists and is older than boot time 367*0Sstevel@tonic-gate * This will only happen the first time it is called. 368*0Sstevel@tonic-gate * Assumes 'fd' has been locked by the caller. 369*0Sstevel@tonic-gate * Returns 0 on success, otherwise -1. 370*0Sstevel@tonic-gate */ 371*0Sstevel@tonic-gate int 372*0Sstevel@tonic-gate logtab_deactivate_after_boot(FILE *fd) 373*0Sstevel@tonic-gate { 374*0Sstevel@tonic-gate struct stat st; 375*0Sstevel@tonic-gate struct utmpx *utmpxp; 376*0Sstevel@tonic-gate int error = 0; 377*0Sstevel@tonic-gate 378*0Sstevel@tonic-gate if ((fstat(fileno(fd), &st) == 0) && 379*0Sstevel@tonic-gate ((utmpxp = getutxent()) != NULL) && 380*0Sstevel@tonic-gate (utmpxp->ut_xtime > st.st_mtime)) { 381*0Sstevel@tonic-gate if (logtab_deactivate(fd, NULL, NULL, NULL)) 382*0Sstevel@tonic-gate error = -1; 383*0Sstevel@tonic-gate } 384*0Sstevel@tonic-gate 385*0Sstevel@tonic-gate return (error); 386*0Sstevel@tonic-gate } 387*0Sstevel@tonic-gate 388*0Sstevel@tonic-gate void 389*0Sstevel@tonic-gate logtab_ent_free(struct logtab_ent *lep) 390*0Sstevel@tonic-gate { 391*0Sstevel@tonic-gate if (lep->le_buffer) 392*0Sstevel@tonic-gate free(lep->le_buffer); 393*0Sstevel@tonic-gate if (lep->le_path) 394*0Sstevel@tonic-gate free(lep->le_path); 395*0Sstevel@tonic-gate if (lep->le_tag) 396*0Sstevel@tonic-gate free(lep->le_tag); 397*0Sstevel@tonic-gate free(lep); 398*0Sstevel@tonic-gate } 399*0Sstevel@tonic-gate 400*0Sstevel@tonic-gate static void 401*0Sstevel@tonic-gate logtab_ent_list_free(struct logtab_ent_list *head) 402*0Sstevel@tonic-gate { 403*0Sstevel@tonic-gate struct logtab_ent_list *lelp, *next; 404*0Sstevel@tonic-gate 405*0Sstevel@tonic-gate if (head == NULL) 406*0Sstevel@tonic-gate return; 407*0Sstevel@tonic-gate 408*0Sstevel@tonic-gate for (lelp = head; lelp != NULL; lelp = next) { 409*0Sstevel@tonic-gate if (lelp->lel_le != NULL) 410*0Sstevel@tonic-gate logtab_ent_free(lelp->lel_le); 411*0Sstevel@tonic-gate next = lelp->lel_next; 412*0Sstevel@tonic-gate free(lelp); 413*0Sstevel@tonic-gate } 414*0Sstevel@tonic-gate } 415