Map system 5/ansi routines onto BSD routines.

[unix-history] / usr / src / usr.bin / tn3270 / general / general.h

/*
* Some general definitions.
*/


#define numberof(x)     (sizeof x/sizeof x[0])
#define highestof(x)    (numberof(x)-1)

#if     defined(unix)
#define ClearElement(x)         bzero((char *)&x, sizeof x)
#define ClearArray(x)           bzero((char *)x, sizeof x)
#else   /* defined(unix) */
#define ClearStructure(x)       memset((char *)&x, 0, sizeof x)
#define ClearArray(x)           memset((char *)x, 0, sizeof x)
#endif  /* defined(unix) */

#if     defined(unix)           /* Define BSD equivalent mem* functions */
#define memcpy(dest,src,n)      bcopy(src,dest,n)
#define memmove(dest,src,n)     bcopy(src,dest,n)
#define memset(s,c,n)           if (c == 0) { \
                                   bzero(s,n); \
                               } else { \
                                   char buffer[100]; \
                                   \
                                   sprintf( \
                                   "Attempt to use memchr(, != 0,) in %s, %s.\n, \
                                               __FILE__, __LINE__); \
                                   ExitString(stderr, buffer, 1); \
                               }
#endif  /* defined(unix) */