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Omit all non-standard stuff from <ctype.h> if __KeepNamespacePure__ is defined.
This affects the toint function and the _tolower and _toupper macros. Several other non-standard functions and macros were already being omitted.
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@ -81,11 +81,13 @@ int isblank(int);
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#define isblank(c) ((__ctype2)[(c)+1] & __blank)
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#define isblank(c) ((__ctype2)[(c)+1] & __blank)
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#ifndef __KeepNamespacePure__
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#ifndef __KeepNamespacePure__
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#define toascii(c) ((c) & 0x7F)
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#define toascii(c) ((c) & 0x7F)
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int toint(char);
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#endif
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#endif
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int toint(char);
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int tolower(int);
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int tolower(int);
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int toupper(int);
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int toupper(int);
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#define _tolower(c) ((c) | 0x20)
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#ifndef __KeepNamespacePure__
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#define _toupper(c) ((c) & 0x5F)
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#define _tolower(c) ((c) | 0x20)
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#define _toupper(c) ((c) & 0x5F)
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#endif
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#endif
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#endif
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2
cc.notes
2
cc.notes
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@ -1172,7 +1172,7 @@ int foo(int[42]);
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146. In initializers for static data, expressions where an integer with unsigned type was added to an array address (e.g. "a + 1U") would not be accepted.
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146. In initializers for static data, expressions where an integer with unsigned type was added to an array address (e.g. "a + 1U") would not be accepted.
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147. The <string.h> header includes several non-standard functions. Their declarations should be omitted if __KeepNamespacePure__ is defined.
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147. The <string.h> and <ctype.h> headers include several non-standard functions and macros. Their declarations and definitions should be omitted if __KeepNamespacePure__ is defined.
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148. When an expression that the intermediate code peephole optimizer could reduce to a constant was cast to a character type, the resulting value could be outside the range of that type.
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148. When an expression that the intermediate code peephole optimizer could reduce to a constant was cast to a character type, the resulting value could be outside the range of that type.
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