gwmem-native.c File Reference

#include <stdlib.h>
#include <errno.h>
#include <string.h>
#include "gwlib.h"

Go to the source code of this file.

Functions
void *	gw_native_noop (void *ptr)
void *	gw_native_malloc (size_t size)
void *	gw_native_calloc (int nmemb, size_t size)
void *	gw_native_realloc (void *ptr, size_t size)
void	gw_native_free (void *ptr)
char *	gw_native_strdup (const char *str)

Function Documentation

gw_native_calloc()

void* gw_native_calloc	(	int	nmemb,
		size_t	size
	)

Definition at line 94 of file gwmem-native.c.

References calloc, gw_assert(), panic, and size.

{
    void *ptr;

    /* ANSI C89 says malloc(0) is implementation-defined.  Avoid it. */
    gw_assert(size > 0);
    gw_assert(nmemb > 0);

    ptr = calloc(nmemb, size);
    if (ptr == NULL)
        panic(errno, "Memory allocation failed");

    return ptr;
}

gw_native_free()

void gw_native_free

(

void *

ptr

)

Definition at line 123 of file gwmem-native.c.

References free().

Referenced by gw_backtrace().

{
    free(ptr);
}

gw_native_malloc()

void* gw_native_malloc

(

size_t

size

)

Definition at line 80 of file gwmem-native.c.

References gw_assert(), malloc(), panic, and size.

Referenced by gw_native_strdup().

{
    void *ptr;

    /* ANSI C89 says malloc(0) is implementation-defined.  Avoid it. */
    gw_assert(size > 0);

    ptr = malloc(size);
    if (ptr == NULL)
        panic(errno, "Memory allocation failed");

    return ptr;
}

gw_native_noop()

void* gw_native_noop

(

void *

ptr

)

Definition at line 78 of file gwmem-native.c.

{ return ptr; }

gw_native_realloc()

void* gw_native_realloc	(	void *	ptr,
		size_t	size
	)

Definition at line 109 of file gwmem-native.c.

References gw_assert(), panic, realloc, and size.

{
    void *new_ptr;

    gw_assert(size > 0);

    new_ptr = realloc(ptr, size);
    if (new_ptr == NULL)
        panic(errno, "Memory re-allocation failed");

    return new_ptr;
}

gw_native_strdup()

char* gw_native_strdup

(

const char *

str

)

Definition at line 129 of file gwmem-native.c.

References gw_assert(), gw_native_malloc(), and size.

{
    char *copy;
    int size;

    gw_assert(str != NULL);
    size = strlen(str) + 1;

    copy = gw_native_malloc(size);
    memcpy(copy, str, size);
    return copy;
}