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Generalize WX_ATTRIBUTE_PRINTF to WX_ATTRIBUTE_FORMAT

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Allow applying gcc "format" attribute to other functions and do apply it
to wxStrftime().

Also suppress -Wformat-nonliteral inside wxStrftime() itself, as it's
now supposed to be checked when calling it.
This commit is contained in:
Vadim Zeitlin
2020-08-30 22:26:34 +02:00
parent 7352a2879c
commit 36c5884acb
2 changed files with 15 additions and 6 deletions
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12
include/wx/defs.h
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@@ -542,12 +542,14 @@ typedef short int WXTYPE;
/* ---------------------------------------------------------------------------- */
/* Printf-like attribute definitions to obtain warnings with GNU C/C++ */
#if defined(__GNUC__) && !wxUSE_UNICODE
# define WX_ATTRIBUTE_FORMAT(like, m, n) __attribute__ ((__format__ (like, m, n)))
#else
# define WX_ATTRIBUTE_FORMAT(like, m, n)
#endif
#ifndef WX_ATTRIBUTE_PRINTF
# if defined(__GNUC__) && !wxUSE_UNICODE
# define WX_ATTRIBUTE_PRINTF(m, n) __attribute__ ((__format__ (__printf__, m, n)))
# else
# define WX_ATTRIBUTE_PRINTF(m, n)
# endif
# define WX_ATTRIBUTE_PRINTF(m, n) WX_ATTRIBUTE_FORMAT(__printf__, m, n)
# define WX_ATTRIBUTE_PRINTF_1 WX_ATTRIBUTE_PRINTF(1, 2)
# define WX_ATTRIBUTE_PRINTF_2 WX_ATTRIBUTE_PRINTF(2, 3)