common_allocation.c File Reference

wrapper around malloc/free More...

#include "platform.h"
#include "gnunet_util_lib.h"

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Macros
#define	LOG(kind, ...)    GNUNET_log_from (kind, "util-common-allocation", __VA_ARGS__)
#define	LOG_STRERROR(kind, syscall)    GNUNET_log_from_strerror (kind, "util-common-allocation", syscall)
#define	INT_MAX   0x7FFFFFFF
#define	BAADFOOD_STR   "\x0D\xF0\xAD\xBA"
#define	BAADFOOD_STR   "\xBA\xAD\xF0\x0D"

Functions
void *	GNUNET_xmalloc_ (size_t size, const char *filename, int linenumber)
	Allocate memory. More...
void **	GNUNET_xnew_array_2d_ (size_t n, size_t m, size_t elementSize, const char *filename, int linenumber)
	Allocate memory for a two dimensional array in one block and set up pointers. More...
void ***	GNUNET_xnew_array_3d_ (size_t n, size_t m, size_t o, size_t elementSize, const char *filename, int linenumber)
	Allocate memory for a three dimensional array in one block and set up pointers. More...
void *	GNUNET_xmemdup_ (const void *buf, size_t size, const char *filename, int linenumber)
	Allocate and initialize memory. More...
void *	GNUNET_xmalloc_unchecked_ (size_t size, const char *filename, int linenumber)
	Allocate memory. More...
void *	GNUNET_xrealloc_ (void *ptr, size_t n, const char *filename, int linenumber)
	Reallocate memory. More...
void	GNUNET_xfree_ (void *ptr, const char *filename, int linenumber)
	Free memory. More...
char *	GNUNET_xstrdup_ (const char *str, const char *filename, int linenumber)
	Dup a string. More...
static size_t	strnlen (const char *s, size_t n)
char *	GNUNET_xstrndup_ (const char *str, size_t len, const char *filename, int linenumber)
	Dup partially a string. More...
void	GNUNET_xgrow_ (void **old, size_t elementSize, unsigned int *oldCount, unsigned int newCount, const char *filename, int linenumber)
	Grow an array, the new elements are zeroed out. More...
int	GNUNET_asprintf (char **buf, const char *format,...)
int	GNUNET_snprintf (char *buf, size_t size, const char *format,...)
struct GNUNET_MessageHeader *	GNUNET_copy_message (const struct GNUNET_MessageHeader *msg)
	Create a copy of the given message. More...
bool	GNUNET_is_zero_ (const void *a, size_t n)
	Check that memory in a is all zeros. More...

Detailed Description

wrapper around malloc/free

Author

Christian Grothoff

Definition in file common_allocation.c.

Macro Definition Documentation

LOG

#define LOG	(		kind,
			...
	)		GNUNET_log_from (kind, "util-common-allocation", __VA_ARGS__)

Definition at line 36 of file common_allocation.c.

LOG_STRERROR

#define LOG_STRERROR	(		kind,
			syscall
	)		GNUNET_log_from_strerror (kind, "util-common-allocation", syscall)

Definition at line 39 of file common_allocation.c.

INT_MAX

#define INT_MAX   0x7FFFFFFF

Definition at line 43 of file common_allocation.c.

BAADFOOD_STR [1/2]

#define BAADFOOD_STR   "\x0D\xF0\xAD\xBA"

Definition at line 222 of file common_allocation.c.

BAADFOOD_STR [2/2]

#define BAADFOOD_STR   "\xBA\xAD\xF0\x0D"

Definition at line 222 of file common_allocation.c.

Function Documentation

strnlen()

static size_t strnlen ( const char *  s, size_t  n  )

static

Definition at line 281 of file common_allocation.c.

{
  const char *e;
 
  e = memchr (s,
              '\0',
              n);
  if (NULL == e)
    return n;
  return e - s;
}

Referenced by GNUNET_strlcpy(), GNUNET_xstrndup_(), and handle_gns_resolution_result().

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GNUNET_asprintf()

int GNUNET_asprintf	(	char **	buf,
		const char *	format,
			...
	)

Definition at line 364 of file common_allocation.c.

{
  int ret;
  va_list args;
 
  va_start (args,
            format);
  ret = vsnprintf (NULL,
                   0,
                   format,
                   args);
  va_end (args);
  GNUNET_assert (ret >= 0);
  *buf = GNUNET_malloc (ret + 1);
  va_start (args, format);
  ret = vsprintf (*buf,
                  format,
                  args);
  va_end (args);
  return ret;
}

References consensus-simulation::args, GNUNET_assert, GNUNET_malloc, and ret.

GNUNET_snprintf()

int GNUNET_snprintf	(	char *	buf,
		size_t	size,
		const char *	format,
			...
	)

Definition at line 390 of file common_allocation.c.

{
  int ret;
  va_list args;
 
  va_start (args,
            format);
  ret = vsnprintf (buf,
                   size,
                   format,
                   args);
  va_end (args);
  GNUNET_assert ((ret >= 0) && (((size_t) ret) < size));
  return ret;
}

References consensus-simulation::args, GNUNET_assert, ret, and size.