casts.h File Reference

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Detailed Description

Functions for safer casting.

Author:

Christian Biere

Date:

2006

Go to the source code of this file.

Defines
#define	UNSIGNED(value)   ((value) + ((guint64)0U))
	Implicit promotion to an unsigned integer.
Typedefs
typedef void(*	func_ptr_t )(void)
Functions
G_GNUC_CONST WARN_UNUSED_RESULT ALWAYS_INLINE gboolean *	deconstify_gboolean (const gboolean *p)
	Cast a ``const gchar *'' to ``gchar *''.
G_GNUC_CONST WARN_UNUSED_RESULT ALWAYS_INLINE gchar *	deconstify_gchar (const gchar *p)
G_GNUC_CONST WARN_UNUSED_RESULT ALWAYS_INLINE guint32 *	deconstify_guint32 (const guint32 *p)
G_GNUC_CONST WARN_UNUSED_RESULT ALWAYS_INLINE gpointer	deconstify_gpointer (gconstpointer p)
G_GNUC_CONST WARN_UNUSED_RESULT ALWAYS_INLINE gconstpointer	cast_to_gconstpointer (gconstpointer p)
G_GNUC_CONST WARN_UNUSED_RESULT ALWAYS_INLINE gpointer	cast_to_gpointer (gpointer p)
G_GNUC_CONST WARN_UNUSED_RESULT ALWAYS_INLINE gchar *	cast_to_gchar_ptr (gpointer p)
G_GNUC_CONST WARN_UNUSED_RESULT ALWAYS_INLINE guchar *	cast_to_guchar_ptr (gpointer p)
G_GNUC_CONST WARN_UNUSED_RESULT ALWAYS_INLINE gulong	cast_ptr_to_uintptr (gpointer p)
	FIXME: Use uintptr_t if available.
G_GNUC_CONST WARN_UNUSED_RESULT ALWAYS_INLINE gpointer	cast_uintptr_to_ptr (gulong u)
	FIXME: Use uintptr_t if available.
G_GNUC_CONST WARN_UNUSED_RESULT ALWAYS_INLINE gpointer	cast_func_to_gpointer (func_ptr_t f)
G_GNUC_CONST WARN_UNUSED_RESULT ALWAYS_INLINE func_ptr_t	cast_gpointer_to_func (gconstpointer p)
size_t G_GNUC_CONST WARN_UNUSED_RESULT ALWAYS_INLINE	ptr_diff (gconstpointer a, gconstpointer b)
off_t G_GNUC_CONST WARN_UNUSED_RESULT ALWAYS_INLINE	filesize_to_off_t (filesize_t pos)
	Converts a filesize_t to off_t.

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Define Documentation

#define UNSIGNED (  value   )     ((value) + ((guint64)0U))

Implicit promotion to an unsigned integer. It allows to avoid comparision of signed values with unsigned values without resorting to harmful explicit casts.

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Typedef Documentation

typedef void(* func_ptr_t)(void)

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Function Documentation

G_GNUC_CONST WARN_UNUSED_RESULT ALWAYS_INLINE gpointer cast_func_to_gpointer (  func_ptr_t  f  )  [inline, static]

G_GNUC_CONST WARN_UNUSED_RESULT ALWAYS_INLINE func_ptr_t cast_gpointer_to_func (  gconstpointer  p  )  [inline, static]

G_GNUC_CONST WARN_UNUSED_RESULT ALWAYS_INLINE gulong cast_ptr_to_uintptr (  gpointer  p  )  [inline, static]

FIXME: Use uintptr_t if available.

G_GNUC_CONST WARN_UNUSED_RESULT ALWAYS_INLINE gchar* cast_to_gchar_ptr (  gpointer  p  )  [inline, static]

G_GNUC_CONST WARN_UNUSED_RESULT ALWAYS_INLINE gconstpointer cast_to_gconstpointer (  gconstpointer  p  )  [inline, static]

G_GNUC_CONST WARN_UNUSED_RESULT ALWAYS_INLINE gpointer cast_to_gpointer (  gpointer  p  )  [inline, static]

G_GNUC_CONST WARN_UNUSED_RESULT ALWAYS_INLINE guchar* cast_to_guchar_ptr (  gpointer  p  )  [inline, static]

G_GNUC_CONST WARN_UNUSED_RESULT ALWAYS_INLINE gpointer cast_uintptr_to_ptr (  gulong  u  )  [inline, static]

FIXME: Use uintptr_t if available.

G_GNUC_CONST WARN_UNUSED_RESULT ALWAYS_INLINE gboolean* deconstify_gboolean (  const gboolean *  p  )  [inline, static]

Cast a ``const gchar *'' to ``gchar *''. This allows the compiler to print a diagnostic message if you accidently try to deconstify an incompatible type. A direct typecast would hide such a mistake.

G_GNUC_CONST WARN_UNUSED_RESULT ALWAYS_INLINE gchar* deconstify_gchar (  const gchar *  p  )  [inline, static]

G_GNUC_CONST WARN_UNUSED_RESULT ALWAYS_INLINE gpointer deconstify_gpointer (  gconstpointer  p  )  [inline, static]

G_GNUC_CONST WARN_UNUSED_RESULT ALWAYS_INLINE guint32* deconstify_guint32 (  const guint32 *  p  )  [inline, static]

off_t G_GNUC_CONST WARN_UNUSED_RESULT ALWAYS_INLINE filesize_to_off_t (  filesize_t  pos  )  [inline, static]

Converts a filesize_t to off_t. Returns: On failure (off_t) -1 is returned.

size_t G_GNUC_CONST WARN_UNUSED_RESULT ALWAYS_INLINE ptr_diff (  gconstpointer  a, gconstpointer  b )  [inline, static]

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