1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */ 23 /* All Rights Reserved */ 24 25 26 #ident "%Z%%M% %I% %E% SMI" /* SVr4.0 1.10 */ 27 /* LINTLIBRARY */ 28 29 #include "string.h" 30 #include "errno.h" 31 32 #include "lp.h" 33 34 #if defined(__STDC__) 35 static int is ( char *, char *, unsigned int ); 36 #else 37 static int is(); 38 #endif 39 40 /** 41 ** next_x() - GO TO NEXT ENTRY UNDER PARENT DIRECTORY 42 **/ 43 44 char * 45 #if defined(__STDC__) 46 next_x ( 47 char * parent, 48 long * lastdirp, 49 unsigned int what 50 ) 51 #else 52 next_x (parent, lastdirp, what) 53 char *parent; 54 long *lastdirp; 55 unsigned int what; 56 #endif 57 { 58 DIR *dirp; 59 60 register char *ret = 0; 61 62 struct dirent *direntp; 63 64 65 if (!(dirp = Opendir(parent))) 66 return (0); 67 68 if (*lastdirp != -1) 69 Seekdir (dirp, *lastdirp); 70 71 do 72 direntp = Readdir(dirp); 73 while ( 74 direntp 75 && ( 76 STREQU(direntp->d_name, ".") 77 || STREQU(direntp->d_name, "..") 78 || !is(parent, direntp->d_name, what) 79 ) 80 ); 81 82 if (direntp) { 83 if (!(ret = Strdup(direntp->d_name))) 84 errno = ENOMEM; 85 *lastdirp = Telldir(dirp); 86 } else { 87 errno = ENOENT; 88 *lastdirp = -1; 89 } 90 91 Closedir (dirp); 92 93 return (ret); 94 } 95 96 static int 97 #if defined(__STDC__) 98 is ( 99 char * parent, 100 char * name, 101 unsigned int what 102 ) 103 #else 104 is (parent, name, what) 105 char *parent; 106 char *name; 107 unsigned int what; 108 #endif 109 { 110 char *path; 111 112 struct stat statbuf; 113 114 if (!(path = makepath(parent, name, (char *)0))) 115 return (0); 116 if (Stat(path, &statbuf) == -1) { 117 Free (path); 118 return (0); 119 } 120 Free (path); 121 return ((statbuf.st_mode & S_IFMT) == what); 122 } 123