diff options
Diffstat (limited to 'src/include/c.h')
| -rw-r--r-- | src/include/c.h | 29 |
1 files changed, 0 insertions, 29 deletions
diff --git a/src/include/c.h b/src/include/c.h index f242e32edbe..2c61ca8aa89 100644 --- a/src/include/c.h +++ b/src/include/c.h @@ -932,35 +932,6 @@ extern void ExceptionalCondition(const char *conditionName, */ #define Abs(x) ((x) >= 0 ? (x) : -(x)) -/* - * StrNCpy - * Like standard library function strncpy(), except that result string - * is guaranteed to be null-terminated --- that is, at most N-1 bytes - * of the source string will be kept. - * Also, the macro returns no result (too hard to do that without - * evaluating the arguments multiple times, which seems worse). - * - * BTW: when you need to copy a non-null-terminated string (like a text - * datum) and add a null, do not do it with StrNCpy(..., len+1). That - * might seem to work, but it fetches one byte more than there is in the - * text object. One fine day you'll have a SIGSEGV because there isn't - * another byte before the end of memory. Don't laugh, we've had real - * live bug reports from real live users over exactly this mistake. - * Do it honestly with "memcpy(dst,src,len); dst[len] = '\0';", instead. - */ -#define StrNCpy(dst,src,len) \ - do \ - { \ - char * _dst = (dst); \ - Size _len = (len); \ -\ - if (_len > 0) \ - { \ - strncpy(_dst, (src), _len); \ - _dst[_len-1] = '\0'; \ - } \ - } while (0) - /* Get a bit mask of the bits set in non-long aligned addresses */ #define LONG_ALIGN_MASK (sizeof(long) - 1) |