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 (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma weak _confstr = confstr 28 29 #include "lint.h" 30 #include "xpg6.h" 31 #include <sys/types.h> 32 #include <unistd.h> 33 #include <errno.h> 34 #include <string.h> 35 36 typedef struct { 37 int config_value; 38 char *value; 39 } config; 40 41 /* 42 * keep these in the same order as in sys/unistd.h 43 */ 44 static const config default_conf[] = { 45 { _CS_LFS_CFLAGS, "-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64" }, 46 { _CS_LFS_LDFLAGS, "" }, 47 { _CS_LFS_LIBS, "" }, 48 { _CS_LFS_LINTFLAGS, "-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64" }, 49 { _CS_LFS64_CFLAGS, "-D_LARGEFILE64_SOURCE" }, 50 { _CS_LFS64_LDFLAGS, "" }, 51 { _CS_LFS64_LIBS, "" }, 52 { _CS_LFS64_LINTFLAGS, "-D_LARGEFILE64_SOURCE" }, 53 { _CS_XBS5_ILP32_OFF32_CFLAGS, "" }, 54 { _CS_XBS5_ILP32_OFF32_LDFLAGS, "" }, 55 { _CS_XBS5_ILP32_OFF32_LIBS, "" }, 56 { _CS_XBS5_ILP32_OFF32_LINTFLAGS, "" }, 57 { _CS_XBS5_ILP32_OFFBIG_CFLAGS, 58 "-Xa -Usun -Usparc -Uunix -Ui386 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64" }, 59 { _CS_XBS5_ILP32_OFFBIG_LDFLAGS, "" }, 60 { _CS_XBS5_ILP32_OFFBIG_LIBS, "" }, 61 { _CS_XBS5_ILP32_OFFBIG_LINTFLAGS, 62 "-Xa -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"}, 63 { _CS_POSIX_V6_ILP32_OFF32_CFLAGS, "" }, 64 { _CS_POSIX_V6_ILP32_OFF32_LDFLAGS, "" }, 65 { _CS_POSIX_V6_ILP32_OFF32_LIBS, "" }, 66 { _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS, 67 "-Xa -Usun -Usparc -Uunix -Ui386 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64" }, 68 { _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS, "" }, 69 { _CS_POSIX_V6_ILP32_OFFBIG_LIBS, "" }, 70 { _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS, 71 "POSIX_V6_ILP32_OFF32\nPOSIX_V6_ILP32_OFFBIG\n" 72 "POSIX_V6_LP64_OFF64\nPOSIX_V6_LPBIG_OFFBIG" }, 73 { _CS_XBS5_LP64_OFF64_CFLAGS, "-xarch=generic64" }, 74 { _CS_XBS5_LP64_OFF64_LDFLAGS, "-xarch=generic64" }, 75 { _CS_XBS5_LP64_OFF64_LIBS, "" }, 76 { _CS_XBS5_LP64_OFF64_LINTFLAGS, "-xarch=generic64" }, 77 { _CS_XBS5_LPBIG_OFFBIG_CFLAGS, "-xarch=generic64" }, 78 { _CS_XBS5_LPBIG_OFFBIG_LDFLAGS, "-xarch=generic64" }, 79 { _CS_XBS5_LPBIG_OFFBIG_LIBS, "" }, 80 { _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS, "-xarch=generic64" }, 81 { _CS_POSIX_V6_LP64_OFF64_CFLAGS, "-xarch=generic64" }, 82 { _CS_POSIX_V6_LP64_OFF64_LDFLAGS, "-xarch=generic64" }, 83 { _CS_POSIX_V6_LP64_OFF64_LIBS, "" }, 84 { _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS, "-xarch=generic64" }, 85 { _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS, "-xarch=generic64" }, 86 { _CS_POSIX_V6_LPBIG_OFFBIG_LIBS, "" }, 87 }; 88 89 #define CS_ENTRY_COUNT (sizeof (default_conf) / sizeof (config)) 90 91 size_t 92 confstr(int name, char *buf, size_t length) 93 { 94 size_t conf_length; 95 config *entry; 96 int i; 97 char *path; 98 99 /* Keep _CS_PATH in sync with execvp.c */ 100 101 if (name == _CS_PATH) { 102 if (__xpg6 & _C99SUSv3_XPG6_sysconf_version) 103 path = "/usr/xpg6/bin:/usr/xpg4/bin:/usr/ccs/bin:" 104 "/usr/bin:/opt/SUNWspro/bin"; 105 else 106 path = "/usr/xpg4/bin:/usr/ccs/bin:/usr/bin:" 107 "/opt/SUNWspro/bin"; 108 109 conf_length = strlen(path) + 1; 110 if (length != 0) { 111 (void) strncpy(buf, path, length); 112 buf[length - 1] = '\0'; 113 } 114 return (conf_length); 115 } 116 /* 117 * Make sure others are known configuration parameters 118 */ 119 entry = (config *)default_conf; 120 for (i = 0; i < CS_ENTRY_COUNT; i++) { 121 if (name == entry->config_value) { 122 /* 123 * Copy out the parameter from our tables. 124 */ 125 conf_length = strlen(entry->value) + 1; 126 if (length != 0) { 127 (void) strncpy(buf, entry->value, length); 128 buf[length - 1] = '\0'; 129 } 130 return (conf_length); 131 } 132 entry++; 133 } 134 135 /* If the entry was not found in table return an error */ 136 errno = EINVAL; 137 return ((size_t)0); 138 } 139