8bf5eb9bc8
Will be used by more than one file. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
64 lines
1.8 KiB
C
64 lines
1.8 KiB
C
#ifndef _DUTIL_H_
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#define _DUTIL_H_ 1
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/*
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* Copyright (C) 2007..2009 Arnaldo Carvalho de Melo <acme@redhat.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* Some functions came from the Linux Kernel sources, copyrighted by a
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* cast of dozens, please see the Linux Kernel git history for details.
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*/
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#include <stdbool.h>
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#include <stddef.h>
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#include <elf.h>
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#include <gelf.h>
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#ifndef __unused
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#define __unused __attribute__ ((unused))
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#endif
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#ifndef __pure
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#define __pure __attribute__ ((pure))
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#endif
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#define roundup(x,y) ((((x) + ((y) - 1)) / (y)) * (y))
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static inline __attribute__((const)) bool is_power_of_2(unsigned long n)
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{
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return (n != 0 && ((n & (n - 1)) == 0));
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}
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/* We need define two variables, argp_program_version_hook and
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argp_program_bug_address, in all programs. argp.h declares these
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variables as non-const (which is correct in general). But we can
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do better, it is not going to change. So we want to move them into
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the .rodata section. Define macros to do the trick. */
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#define ARGP_PROGRAM_VERSION_HOOK_DEF \
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void (*const apvh) (FILE *, struct argp_state *) \
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__asm ("argp_program_version_hook")
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#define ARGP_PROGRAM_BUG_ADDRESS_DEF \
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const char *const apba__ __asm ("argp_program_bug_address")
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struct strlist {
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void *entries;
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bool dupstr;
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};
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struct strlist *strlist__new(bool dupstr);
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void strlist__delete(struct strlist *self);
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int strlist__load(struct strlist *self, const char *filename);
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int strlist__add(struct strlist *self, const char *str);
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int strlist__has_entry(const struct strlist *self, const char *entry);
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void *zalloc(const size_t size);
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Elf_Scn *elf_section_by_name(Elf *elf, GElf_Ehdr *ep,
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GElf_Shdr *shp, const char *name);
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#endif /* _DUTIL_H_ */
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