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Everywhere: Switch from (void) to [[maybe_unused]] (#4473)
Problem: - `(void)` simply casts the expression to void. This is understood to indicate that it is ignored, but this is really a compiler trick to get the compiler to not generate a warning. Solution: - Use the `[[maybe_unused]]` attribute to indicate the value is unused. Note: - Functions taking a `(void)` argument list have also been changed to `()` because this is not needed and shows up in the same grep command.
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4421d98e30
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103 changed files with 219 additions and 362 deletions
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@ -39,10 +39,8 @@ char PC;
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char* UP;
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char* BC;
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int tgetent(char* bp, const char* name)
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int tgetent([[maybe_unused]] char* bp, [[maybe_unused]] const char* name)
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{
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(void)bp;
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(void)name;
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#ifdef TERMCAP_DEBUG
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fprintf(stderr, "tgetent: bp=%p, name='%s'\n", bp, name);
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#endif
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@ -120,9 +118,8 @@ char* tgetstr(const char* id, char** area)
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#pragma GCC diagnostic pop
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int tgetflag(const char* id)
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int tgetflag([[maybe_unused]] const char* id)
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{
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(void)id;
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#ifdef TERMCAP_DEBUG
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fprintf(stderr, "tgetflag: '%s'\n", id);
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#endif
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@ -143,17 +140,13 @@ int tgetnum(const char* id)
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ASSERT_NOT_REACHED();
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}
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char* tgoto(const char* cap, int col, int row)
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char* tgoto([[maybe_unused]] const char* cap, [[maybe_unused]] int col, [[maybe_unused]] int row)
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{
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(void)cap;
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(void)col;
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(void)row;
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ASSERT_NOT_REACHED();
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}
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int tputs(const char* str, int affcnt, int (*putc)(int))
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int tputs(const char* str, [[maybe_unused]] int affcnt, int (*putc)(int))
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{
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(void)affcnt;
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size_t len = strlen(str);
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for (size_t i = 0; i < len; ++i)
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putc(str[i]);
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