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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 17:54:12 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 17:54:12 +0000 |
commit | b527294153be3b79563c82c66102adc0004736c0 (patch) | |
tree | 9b423a224848441885190b5ea7cf0feb23510c9d /contrib/slapd-modules/nssov/nss-pam-ldapd/attrs.h | |
parent | Initial commit. (diff) | |
download | openldap-upstream/2.6.7+dfsg.tar.xz openldap-upstream/2.6.7+dfsg.zip |
Adding upstream version 2.6.7+dfsg.upstream/2.6.7+dfsg
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | contrib/slapd-modules/nssov/nss-pam-ldapd/attrs.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/contrib/slapd-modules/nssov/nss-pam-ldapd/attrs.h b/contrib/slapd-modules/nssov/nss-pam-ldapd/attrs.h new file mode 100644 index 0000000..2efedc6 --- /dev/null +++ b/contrib/slapd-modules/nssov/nss-pam-ldapd/attrs.h @@ -0,0 +1,91 @@ +/* + attrs.h - wrapper macros for the gcc __attribute__(()) directive + + Copyright (C) 2007, 2008, 2012 Arthur de Jong + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + 02110-1301 USA +*/ + +#ifndef COMPAT__ATTRS_H +#define COMPAT__ATTRS_H 1 + +/* macro for testing the version of GCC */ +#define GCC_VERSION(major, minor) \ + ((__GNUC__ > (major)) || (__GNUC__ == (major) && __GNUC_MINOR__ >= (minor))) + +/* These are macros to use some gcc-specific flags in case they're available + and otherwise define them to empty strings. This allows us to give + the compiler some extra information. + See http://gcc.gnu.org/onlinedocs/gcc/Attribute-Syntax.html + for a list of attributes supported by gcc */ + +/* this is used to flag function parameters that are not used in the function + body. */ +#if GCC_VERSION(3, 0) +#define UNUSED(x) x __attribute__((__unused__)) +#else +#define UNUSED(x) x +#endif + +/* this is used to add extra format checking to the function calls as if this + was a printf()-like function */ +#if GCC_VERSION(3, 0) +#define LIKE_PRINTF(format_idx, arg_idx) \ + __attribute__((__format__(__printf__, format_idx, arg_idx))) +#else +#define LIKE_PRINTF(format_idx, arg_idx) /* no attribute */ +#endif + +/* indicates that the function is "pure": its result is purely based on + the parameters and has no side effects or used static data */ +#if GCC_VERSION(3, 0) +#define PURE __attribute__((__pure__)) +#else +#define PURE /* no attribute */ +#endif + +/* the function returns a new data structure that has been freshly + allocated */ +#if GCC_VERSION(3, 0) +#define LIKE_MALLOC __attribute__((__malloc__)) +#else +#define LIKE_MALLOC /* no attribute */ +#endif + +/* the function's return value should be used by the caller */ +#if GCC_VERSION(3, 4) +#define MUST_USE __attribute__((__warn_unused_result__)) +#else +#define MUST_USE /* no attribute */ +#endif + +/* the function's return value should be used by the caller */ +#if GCC_VERSION(2, 5) +#define NORETURN __attribute__((__noreturn__)) +#else +#define NORETURN /* no attribute */ +#endif + +/* define __STRING if it's not yet defined */ +#ifndef __STRING +#ifdef __STDC__ +#define __STRING(x) #x +#else /* __STDC__ */ +#define __STRING(x) "x" +#endif /* not __STDC__ */ +#endif /* not __STRING */ + +#endif /* not COMPAT__ATTRS_H */ |