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Fix errors with fallback impls of SDL_isxdigit() and SDL_ispunct()

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SDL_isxdigit() should only accept A-Fa-f, not A-Za-z (it shouldn't use
SDL_isalpha()).

SDL_ispunct() shouldn't accept spaces (it should use SDL_isgraph()
instead).
This commit is contained in:
Misa 2021-02-13 15:11:40 -08:00 committed by Ryan C. Gordon
parent fe6f62e6ce
commit 3da58b47f6
1 changed files with 2 additions and 2 deletions
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4
src/stdlib/SDL_stdlib.c
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@ -521,8 +521,8 @@ int SDL_tolower(int x) { return tolower(x); }
int SDL_isalpha(int x) { return (SDL_isupper(x)) || (SDL_islower(x)); }
int SDL_isalnum(int x) { return (SDL_isalpha(x)) || (SDL_isdigit(x)); }
int SDL_isdigit(int x) { return ((x) >= '0') && ((x) <= '9'); }
int SDL_isxdigit(int x) { return (SDL_isalpha(x)) || (SDL_isdigit(x)); }
int SDL_ispunct(int x) { return (SDL_isprint(x)) && (!SDL_isalnum(x)); }
int SDL_isxdigit(int x) { return (((x) >= 'A') && ((x) <= 'F')) || (((x) >= 'a') && ((x) <= 'f')) || (SDL_isdigit(x)); }
int SDL_ispunct(int x) { return (SDL_isgraph(x)) && (!SDL_isalnum(x)); }
int SDL_isspace(int x) { return ((x) == ' ') || ((x) == '\t') || ((x) == '\r') || ((x) == '\n') || ((x) == '\f') || ((x) == '\v'); }
int SDL_isupper(int x) { return ((x) >= 'A') && ((x) <= 'Z'); }
int SDL_islower(int x) { return ((x) >= 'a') && ((x) <= 'z'); }