glibc_compat.cpp File Reference

#include <cstddef>
#include <cstdint>
#include <strings.h>
#include <string.h>
#include <glob.h>
#include <unistd.h>
#include <fnmatch.h>

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Macros
#define	strong_alias   (__explicit_bzero_chk, __explicit_bzero_chk_internal)

Functions
void *	memmove (void *a, const void *b, size_t c)
void *	memcpy (void *a, const void *b, size_t c)
void	__chk_fail (void) __attribute__((__noreturn__))
void	explicit_bzero (void *s, size_t len)
void	__explicit_bzero_chk (void *dst, size_t len, size_t dstlen)
int	glob_old (const char *pattern, int flags, int(*errfunc)(const char *epath, int eerrno), glob_t *pglob)
int	__wrap_glob (const char *pattern, int flags, int(*errfunc)(const char *epath, int eerrno), glob_t *pglob)

Macro Definition Documentation

strong_alias

#define strong_alias   (__explicit_bzero_chk, __explicit_bzero_chk_internal)

Definition at line 80 of file glibc_compat.cpp.

Function Documentation

__chk_fail()

void __chk_fail

(

void

)

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__explicit_bzero_chk()

void __explicit_bzero_chk	(	void *	dst,
		size_t	len,
		size_t	dstlen )

Definition at line 67 of file glibc_compat.cpp.

{
  /* Inline __memset_chk to avoid a PLT reference to __memset_chk.  */
  if (__glibc_unlikely (dstlen < len))
    __chk_fail ();
  memset (dst, '\0', len);
  /* Compiler barrier.  */
  asm volatile ("" ::: "memory");
}

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__wrap_glob()

int __wrap_glob	(	const char *	pattern,
		int	flags,
		int(*	errfunc )(const char *epath, int eerrno),
		glob_t *	pglob )

Definition at line 94 of file glibc_compat.cpp.

{
    return glob_old(pattern, flags, errfunc, pglob);
}

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explicit_bzero()

void explicit_bzero	(	void *	s,
		size_t	len )

Definition at line 58 of file glibc_compat.cpp.

{
  memset (s, '\0', len);
  /* Compiler barrier.  */
  asm volatile ("" ::: "memory");
}

glob_old()

int glob_old	(	const char *	pattern,
		int	flags,
		int(*	errfunc )(const char *epath, int eerrno),
		glob_t *	pglob )

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memcpy()

void * memcpy	(	void *	a,
		const void *	b,
		size_t	c )

Definition at line 16 of file glibc_compat.cpp.

{
    return memmove(a, b, c);
}

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memmove()

void * memmove	(	void *	a,
		const void *	b,
		size_t	c )

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