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 * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 23 * Use is subject to license terms. 24 */ 25 26 #pragma ident "%Z%%M% %I% %E% SMI" 27 28 #pragma weak confstr = _confstr 29 30 #include "synonyms.h" 31 #include "xpg6.h" 32 #include <sys/types.h> 33 #include <unistd.h> 34 #include <errno.h> 35 #include <string.h> 36 37 typedef struct { 38 int config_value; 39 char *value; 40 } config; 41 42 /* 43 * keep these in the same order as in sys/unistd.h 44 */ 45 static const config default_conf[] = { 46 { _CS_LFS_CFLAGS, "-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64" }, 47 { _CS_LFS_LDFLAGS, "" }, 48 { _CS_LFS_LIBS, "" }, 49 { _CS_LFS_LINTFLAGS, "-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64" }, 50 { _CS_LFS64_CFLAGS, "-D_LARGEFILE64_SOURCE" }, 51 { _CS_LFS64_LDFLAGS, "" }, 52 { _CS_LFS64_LIBS, "" }, 53 { _CS_LFS64_LINTFLAGS, "-D_LARGEFILE64_SOURCE" }, 54 { _CS_XBS5_ILP32_OFF32_CFLAGS, "" }, 55 { _CS_XBS5_ILP32_OFF32_LDFLAGS, "" }, 56 { _CS_XBS5_ILP32_OFF32_LIBS, "" }, 57 { _CS_XBS5_ILP32_OFF32_LINTFLAGS, "" }, 58 { _CS_XBS5_ILP32_OFFBIG_CFLAGS, 59 "-Xa -Usun -Usparc -Uunix -Ui386 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64" }, 60 { _CS_XBS5_ILP32_OFFBIG_LDFLAGS, "" }, 61 { _CS_XBS5_ILP32_OFFBIG_LIBS, "" }, 62 { _CS_XBS5_ILP32_OFFBIG_LINTFLAGS, 63 "-Xa -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64"}, 64 { _CS_POSIX_V6_ILP32_OFF32_CFLAGS, "" }, 65 { _CS_POSIX_V6_ILP32_OFF32_LDFLAGS, "" }, 66 { _CS_POSIX_V6_ILP32_OFF32_LIBS, "" }, 67 { _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS, 68 "-Xa -Usun -Usparc -Uunix -Ui386 -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64" }, 69 { _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS, "" }, 70 { _CS_POSIX_V6_ILP32_OFFBIG_LIBS, "" }, 71 { _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS, 72 "POSIX_V6_ILP32_OFF32\nPOSIX_V6_ILP32_OFFBIG\n" 73 "POSIX_V6_LP64_OFF64\nPOSIX_V6_LPBIG_OFFBIG" }, 74 { _CS_XBS5_LP64_OFF64_CFLAGS, "-xarch=generic64" }, 75 { _CS_XBS5_LP64_OFF64_LDFLAGS, "-xarch=generic64" }, 76 { _CS_XBS5_LP64_OFF64_LIBS, "" }, 77 { _CS_XBS5_LP64_OFF64_LINTFLAGS, "-xarch=generic64" }, 78 { _CS_XBS5_LPBIG_OFFBIG_CFLAGS, "-xarch=generic64" }, 79 { _CS_XBS5_LPBIG_OFFBIG_LDFLAGS, "-xarch=generic64" }, 80 { _CS_XBS5_LPBIG_OFFBIG_LIBS, "" }, 81 { _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS, "-xarch=generic64" }, 82 { _CS_POSIX_V6_LP64_OFF64_CFLAGS, "-xarch=generic64" }, 83 { _CS_POSIX_V6_LP64_OFF64_LDFLAGS, "-xarch=generic64" }, 84 { _CS_POSIX_V6_LP64_OFF64_LIBS, "" }, 85 { _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS, "-xarch=generic64" }, 86 { _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS, "-xarch=generic64" }, 87 { _CS_POSIX_V6_LPBIG_OFFBIG_LIBS, "" }, 88 }; 89 90 #define CS_ENTRY_COUNT (sizeof (default_conf) / sizeof (config)) 91 92 size_t 93 confstr(int name, char *buf, size_t length) 94 { 95 size_t conf_length; 96 config *entry; 97 int i; 98 char *path; 99 100 /* Keep _CS_PATH in sync with execvp.c */ 101 102 if (name == _CS_PATH) { 103 if (__xpg6 & _C99SUSv3_XPG6_sysconf_version) 104 path = "/usr/xpg6/bin:/usr/xpg4/bin:/usr/ccs/bin:"\ 105 "/usr/bin:/opt/SUNWspro/bin"; 106 else 107 path = "/usr/xpg4/bin:/usr/ccs/bin:/usr/bin:"\ 108 "/opt/SUNWspro/bin"; 109 110 conf_length = strlen(path) + 1; 111 if (length != 0) { 112 (void) strncpy(buf, path, length); 113 buf[length - 1] = '\0'; 114 } 115 return (conf_length); 116 } 117 /* 118 * Make sure others are known configuration parameters 119 */ 120 entry = (config *)default_conf; 121 for (i = 0; i < CS_ENTRY_COUNT; i++) { 122 if (name == entry->config_value) { 123 /* 124 * Copy out the parameter from our tables. 125 */ 126 conf_length = strlen(entry->value) + 1; 127 if (length != 0) { 128 (void) strncpy(buf, entry->value, length); 129 buf[length - 1] = '\0'; 130 } 131 return (conf_length); 132 } 133 entry++; 134 } 135 136 /* If the entry was not found in table return an error */ 137 errno = EINVAL; 138 return ((size_t)0); 139 } 140