/*
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* Copyright (C) 2014 Philippe Gerum <rpm@xenomai.org>.
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*
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* Xenomai is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published
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* by the Free Software Foundation; either version 2 of the License,
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* or (at your option) any later version.
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*
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* Xenomai is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Xenomai; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
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* 02111-1307, USA.
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*/
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#ifndef _COBALT_KERNEL_ANCILLARIES_H
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#define _COBALT_KERNEL_ANCILLARIES_H
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#include <linux/kernel.h>
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#include <linux/string.h>
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#include <linux/uidgid.h>
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#include <cobalt/uapi/kernel/limits.h>
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#define ksformat(__dst, __len, __fmt, __args...) \
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({ \
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size_t __ret; \
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__ret = snprintf(__dst, __len, __fmt, ##__args); \
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if (__ret >= __len) \
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__dst[__len-1] = '\0'; \
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__ret; \
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})
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#define kasformat(__fmt, __args...) \
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({ \
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kasprintf(GFP_KERNEL, __fmt, ##__args); \
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})
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#define kvsformat(__dst, __len, __fmt, __ap) \
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({ \
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size_t __ret; \
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__ret = vsnprintf(__dst, __len, __fmt, __ap); \
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if (__ret >= __len) \
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__dst[__len-1] = '\0'; \
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__ret; \
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})
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#define kvasformat(__fmt, __ap) \
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({ \
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kvasprintf(GFP_KERNEL, __fmt, __ap); \
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})
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void __knamecpy_requires_character_array_as_destination(void);
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#define knamecpy(__dst, __src) \
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({ \
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if (!__builtin_types_compatible_p(typeof(__dst), char[])) \
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__knamecpy_requires_character_array_as_destination(); \
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strncpy((__dst), __src, sizeof(__dst)); \
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__dst[sizeof(__dst) - 1] = '\0'; \
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__dst; \
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})
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#define get_current_uuid() from_kuid_munged(current_user_ns(), current_uid())
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#endif /* !_COBALT_KERNEL_ANCILLARIES_H */
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