libdebian-installer: Memory management

Memory management

Modules

group

Memory chunk allocer

Defines

#define

di_new(struct_type, n_structs) ((struct_type *) di_malloc (sizeof (struct_type) * (n_structs)))

#define

di_new0(struct_type, n_structs) ((struct_type *) di_malloc0 (sizeof (struct_type) * (n_structs)))

#define

di_renew(struct_type, mem, n_structs) ((struct_type *) di_realloc ((mem), sizeof (struct_type) * (n_structs)))

Functions

void *

di_malloc (size_t n_bytes) __attribute__((malloc))

void *

di_malloc0 (size_t n_bytes) __attribute__((malloc))

void *

di_realloc (void *mem, size_t n_bytes) __attribute__((malloc))

void

di_free (void *mem)

Define Documentation

#define di_new	(	struct_type,
		n_structs		)	((struct_type ) di_malloc (sizeof (struct_type) (n_structs)))

Parameters:

struct_type	returned type
n_structs	number of returned structs

#define di_new0	(	struct_type,
		n_structs		)	((struct_type ) di_malloc0 (sizeof (struct_type) (n_structs)))

Parameters:

struct_type	returned type
n_structs	number of returned structs

#define di_renew	(	struct_type,
		mem,
		n_structs	)	((struct_type ) di_realloc ((mem), sizeof (struct_type) (n_structs)))

Parameters:

struct_type	returned type
mem	current memory pointer
n_structs	number of returned structs

Function Documentation

void di_free

(

void *

mem

)

Free memory

Parameters:

mem

memory

00064 {
00065   free (mem);
00066 }

void* di_malloc

(

size_t

n_bytes

)

Allocate memory

Parameters:

n_bytes

size in bytes

Postcondition:: never returns NULL

00033 {
00034   void *mem;
00035 
00036   mem = malloc (n_bytes);
00037 
00038   if (!mem)
00039     di_error ("%s: failed to allocate %zu bytes", DI_STRLOC, n_bytes);
00040   return mem;
00041 }

void* di_malloc0

(

size_t

n_bytes

)

Allocate cleared memory

Parameters:

n_bytes

size in bytes

Postcondition:: never returns NULL

00044 {
00045   void *mem;
00046 
00047   mem = calloc (1, n_bytes);
00048 
00049   if (!mem)
00050     di_error ("%s: failed to allocate %zu bytes", DI_STRLOC, n_bytes);
00051   return mem;
00052 }

void* di_realloc	(	void *	mem,
		size_t	n_bytes
	)

Reallocate memory

Parameters:

mem	memory
n_bytes	size in bytes

Postcondition:: never returns NULL

00055 {
00056   mem = realloc (mem, n_bytes);
00057 
00058   if (!mem)
00059     di_error ("%s: failed to allocate %zu bytes", DI_STRLOC, n_bytes);
00060   return mem;
00061 }

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1.3.6-20040222