MySQL 5.6.14 Source Code Document
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utils.h
1 /* utility definitions */
2 #ifdef _POSIX2_RE_DUP_MAX
3 #define DUPMAX _POSIX2_RE_DUP_MAX /* xxx is this right? */
4 #else
5 #define DUPMAX 255
6 #endif
7 #define RE_INFINITY (DUPMAX + 1)
8 #define NC (CHAR_MAX - CHAR_MIN + 1)
9 typedef unsigned char uch;
10 
11 /* switch off assertions (if not already off) if no REDEBUG */
12 #ifndef REDEBUG
13 #ifndef NDEBUG
14 #define NDEBUG /* no assertions please */
15 #endif
16 #endif
17 #include <assert.h>
18 
19 /* for old systems with bcopy() but no memmove() */
20 #ifdef USEBCOPY
21 #define memmove(d, s, c) bcopy(s, d, c)
22 #endif