diff options
Diffstat (limited to 'src/basic/macro.h')
| -rw-r--r-- | src/basic/macro.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/src/basic/macro.h b/src/basic/macro.h index 02f34cedad..01916bd788 100644 --- a/src/basic/macro.h +++ b/src/basic/macro.h @@ -362,6 +362,15 @@ do { \ sizeof(type) <= 4 ? 10 : \ sizeof(type) <= 8 ? 20 : sizeof(int[-2*(sizeof(type) > 8)]))) +#define DECIMAL_STR_WIDTH(x) \ + ({ \ + typeof(x) _x_ = (x); \ + unsigned ans = 1; \ + while (_x_ /= 10) \ + ans++; \ + ans; \ + }) + #define SET_FLAG(v, flag, b) \ (v) = (b) ? ((v) | (flag)) : ((v) & ~(flag)) |