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m4: avoid warnings about too-long initializer strings
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Mark `digits` as `__non_string`, to avoid warnings from clang 21 similar
to:

    usr.bin/m4/misc.c:123:27: error: initializer-string for character array is too long, array size is 36 but initializer has size 37 (including the null terminating character); did you mean to use the 'nonstring' attribute? [-Werror,-Wunterminated-string-initialization]
      123 |         static char digits[36] = "0123456789abcdefghijklmnopqrstuvwxyz";
          |                                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

MFC after:	3 days
This commit is contained in:
Dimitry Andric 2025-12-26 01:30:25 +01:00
parent ba0a115122
commit a3394b6a23
1 changed files with 2 additions and 1 deletions
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3
usr.bin/m4/misc.c
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@ -120,7 +120,8 @@ pbnum(int n)
void
pbnumbase(int n, int base, int d)
{
static char digits[36] = "0123456789abcdefghijklmnopqrstuvwxyz";
static char digits[36] __nonstring =
"0123456789abcdefghijklmnopqrstuvwxyz";
unsigned int num;
int printed = 0;