[3.15] gh-149707: Fix compiler warning in _ctypes_test on strchr() (#149791)#149865
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…thon#149791) Change my_strchr() return type to "const char*" (add "const"). Fix the compiler warning: Modules/_ctypes/_ctypes_test.c: In function 'my_strchr': Modules/_ctypes/_ctypes_test.c:451:12: warning: return discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers] 451 | return strchr(s, c); | ^~~~~~ When using C23, strchr(text, ch) return type is "const char*" if text type is "const char*". (cherry picked from commit 5465b69)
This was referenced May 15, 2026
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Change my_strchr() return type to "const char*" (add "const").
Fix the compiler warning:
Modules/_ctypes/_ctypes_test.c: In function 'my_strchr': Modules/_ctypes/_ctypes_test.c:451:12: warning: return discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
451 | return strchr(s, c);
| ^~~~~~
When using C23, strchr(text, ch) return type is "const char*" if text type is "const char*".
(cherry picked from commit 5465b69)