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Bug 4073

Summary: Unquoted Unicode argument parsing broken on Windows due to incorrect usage of SDL_isspace()
Product: SDL Reporter: mednafen
Component: mainAssignee: Sam Lantinga <slouken>
Status: RESOLVED FIXED QA Contact: Sam Lantinga <slouken>
Severity: normal    
Priority: P2    
Version: HG 2.0   
Hardware: All   
OS: Windows (All)   

Comment 1 Sam Lantinga 2018-02-09 23:22:54 UTC 
SDL_isspace() is implemented as:
int SDL_isspace(int x) { return ((x) == ' ') || ((x) == '\t') || ((x) == '\r') || ((x) == '\n') || ((x) == '\f') || ((x) == '\v'); }

None of those depend on the character being an unsigned char.

In fact, SDL typically handles Unicode input as UTF-8.

What is your use case?
Comment 2 mednafen 2018-02-10 00:14:42 UTC 
That is not the way SDL_isspace() is implemented when HAVE_CTYPE_H is defined by the configure script when compiling with mingw-w64 and gcc.
Comment 3 Sam Lantinga 2018-02-10 20:43:59 UTC 
Fixed, thanks!
https://hg.libsdl.org/SDL/rev/bd4899381cbd