/*
- * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 1999, 2006 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this
+ * file.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
+#include <stdio.h> /* for P_tmpdir */
+
+#include <dirhelper_priv.h>
+
+extern char *_dirhelper(dirhelper_which_t which, char *path, size_t pathlen);
+
+#if __DARWIN_UNIX03
+#define CONFSTR_ERR_RET 0
+#else /* !__DARWIN_UNIX03 */
+#define CONFSTR_ERR_RET -1
+#endif /* __DARWIN_UNIX03 */
size_t
confstr(name, buf, len)
mib[0] = CTL_USER;
mib[1] = USER_CS_PATH;
if (sysctl(mib, 2, NULL, &tlen, NULL, 0) == -1)
- return (-1);
+ return (CONFSTR_ERR_RET);
if (len != 0 && buf != NULL) {
if ((p = malloc(tlen)) == NULL)
- return (-1);
+ return (CONFSTR_ERR_RET);
if (sysctl(mib, 2, p, &tlen, NULL, 0) == -1) {
sverrno = errno;
free(p);
errno = sverrno;
- return (-1);
+ return (CONFSTR_ERR_RET);
}
/*
* POSIX 1003.2 requires partial return of
buf[len - 1] = '\0';
free(p);
}
- return (tlen + 1);
+ return (tlen);
+
+ case _CS_POSIX_V6_ILP32_OFF32_CFLAGS:
+ case _CS_XBS5_ILP32_OFF32_CFLAGS: /* legacy */
+
+ case _CS_POSIX_V6_ILP32_OFF32_LDFLAGS:
+ case _CS_XBS5_ILP32_OFF32_LDFLAGS: /* legacy */
+
+ case _CS_POSIX_V6_ILP32_OFF32_LIBS:
+ case _CS_XBS5_ILP32_OFF32_LIBS: /* legacy */
+
+ case _CS_XBS5_ILP32_OFF32_LINTFLAGS: /* legacy */
+
+ case _CS_POSIX_V6_ILP32_OFFBIG_CFLAGS:
+ case _CS_XBS5_ILP32_OFFBIG_CFLAGS: /* legacy */
+
+ case _CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS:
+ case _CS_XBS5_ILP32_OFFBIG_LDFLAGS: /* legacy */
+
+ case _CS_POSIX_V6_ILP32_OFFBIG_LIBS:
+ case _CS_XBS5_ILP32_OFFBIG_LIBS: /* legacy */
+
+ case _CS_XBS5_ILP32_OFFBIG_LINTFLAGS: /* legacy */
+
+ case _CS_POSIX_V6_LP64_OFF64_CFLAGS:
+ case _CS_XBS5_LP64_OFF64_CFLAGS: /* legacy */
+
+ case _CS_POSIX_V6_LP64_OFF64_LDFLAGS:
+ case _CS_XBS5_LP64_OFF64_LDFLAGS: /* legacy */
+
+ case _CS_POSIX_V6_LP64_OFF64_LIBS:
+ case _CS_XBS5_LP64_OFF64_LIBS: /* legacy */
+
+ case _CS_XBS5_LP64_OFF64_LINTFLAGS: /* legacy */
+
+ case _CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS:
+ case _CS_XBS5_LPBIG_OFFBIG_CFLAGS: /* legacy */
+
+ case _CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS:
+ case _CS_XBS5_LPBIG_OFFBIG_LDFLAGS: /* legacy */
+
+ case _CS_POSIX_V6_LPBIG_OFFBIG_LIBS:
+ case _CS_XBS5_LPBIG_OFFBIG_LIBS: /* legacy */
+
+ case _CS_XBS5_LPBIG_OFFBIG_LINTFLAGS: /* legacy */
+ /* No special flags... yet */
+ p = "";
+ goto docopy;
+
+ case _CS_POSIX_V6_WIDTH_RESTRICTED_ENVS:
+ if (sizeof(long) >= 8)
+ p = "_POSIX_V6_LP64_OFF64";
+ else
+ p = "_POSIX_V6_ILP32_OFFBIG";
+
+docopy:
+ if (len != 0 && buf != NULL)
+ strlcpy(buf, p, len);
+ return (strlen(p) + 1);
+
+ case _CS_DARWIN_USER_DIR:
+ if ((p = alloca(PATH_MAX)) == NULL) {
+ errno = ENOMEM;
+ return (CONFSTR_ERR_RET);
+ }
+ if (_dirhelper(DIRHELPER_USER_LOCAL, p, PATH_MAX) == NULL)
+ return (CONFSTR_ERR_RET);
+ goto docopy;
+
+ case _CS_DARWIN_USER_TEMP_DIR:
+ if ((p = alloca(PATH_MAX)) == NULL) {
+ errno = ENOMEM;
+ return (CONFSTR_ERR_RET);
+ }
+ if (_dirhelper(DIRHELPER_USER_LOCAL_TEMP, p, PATH_MAX) == NULL) {
+ /*
+ * If _dirhelper() fails, try TMPDIR and P_tmpdir,
+ * finally failing otherwise.
+ */
+ if ((p = getenv("TMPDIR")) && access(p, W_OK) == 0)
+ goto docopy;
+ if (access(p = P_tmpdir, W_OK) == 0)
+ goto docopy;
+ return (CONFSTR_ERR_RET);
+ }
+ goto docopy;
+
+ case _CS_DARWIN_USER_CACHE_DIR:
+ if ((p = alloca(PATH_MAX)) == NULL) {
+ errno = ENOMEM;
+ return (CONFSTR_ERR_RET);
+ }
+ if (_dirhelper(DIRHELPER_USER_LOCAL_CACHE, p, PATH_MAX) == NULL)
+ return (CONFSTR_ERR_RET);
+ goto docopy;
+
default:
errno = EINVAL;
return (0);
projects / apple / libc.git / blobdiff