nethack-gwaa-kiwi/nethack
1
0
Fork 0
Code Pull Requests Activity

add a pair of shorthand macros to validate an index into an array

Browse Source 
Two variations:

IndexOk(idx, array)       validate that idx is a valid index into the array

IndexOkT(idx, array)      validate that idx is a valid index into the
                          array, excluding the final Terminator element
This commit is contained in:
nhmall
2023-12-23 13:46:54 -05:00
parent 415f8c559b
commit e9e05db113
7 changed files with 20 additions and 11 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
include/hack.h
View File

@@ -1406,6 +1406,15 @@ typedef uint32_t mmflags_nht; /* makemon MM_ flags */
/* pick a random entry from array */
#define ROLL_FROM(array) array[rn2(SIZE(array))]
/* array with terminator variation */
/* #define ROLL_FROMT(array) array[rn2(SIZE(array) - 1)] */
/* validate index of array */
#define IndexOk(idx, array) \
((idx) >= 0 && (idx) < SIZE(array))
/* array with terminator variation */
#define IndexOkT(idx, array) \
((idx) >= 0 && (idx) < (SIZE(array) - 1))
#define FEATURE_NOTICE_VER(major, minor, patch) \
(((unsigned long) major << 24) | ((unsigned long) minor << 16) \