/home/tom/src/ogc-dev/trunk/nm/frameworks/src/include/nm/nm.h

/*
 * Copyright (c) 2008 Open Grid Computing, Inc.
 * All rights reserved.
 *
 * Confidential and Proprietary
 */
#ifndef _NM_H
#define _NM_H

/* NB: The purpose of the NMF_CDECL_BEGIN/END macros is to avoid
 * confusing the editor syntax parsing engines that attempt to handle
 * indent based on braces. */

#define NM_CDECL_BEGIN extern "C" {
#ifdef __cplusplus
NM_CDECL_BEGIN
#endif

typedef unsigned char nm_u8_t;
typedef unsigned short nm_u16_t;
typedef unsigned int nm_u32_t;
typedef unsigned long long nm_u64_t;

#define NM_BIT(__b) (1 << __b)
#define NM_ARRAY_SZ(__a) (sizeof(__a) / sizeof(__a[0]))

/* Return the offset of a member of an object */
#define nm_offsetof(type,member) ((size_t) &((type *)0)->member)

#define nm_container_of(ptr, type, member) ({ \
        const __typeof__(((type *)0)->member ) *__mptr = (ptr); \
        (type *)((char *)__mptr - nm_offsetof(type,member));})

/* Round up to the specified power of 2 */
#define nm_roundup2(c,a) ((c + (a-1)) & ~(a-1))

static inline int nm_strncpy(char *dst, const char *src, int n)
{
        int i;
        for (i = 0; *src && i < (n - 1); i++)
                *dst++ = *src++;
        *dst = '\0';
        return i;
}

struct nm_sz_map {
        int count; 
        int width; 
        void *map; /* Pointer to a sorted array of objects of size \c
                      width. The first element of this object is a
                      string that is the 'key' */ 
};

int nm_sz_map(const struct nm_sz_map *tbl, const char *key, void **v);

#define NM_CDECL_END }
#ifdef __cplusplus
NM_CDECL_END
#endif

#endif

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