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Merge pull request #11596 from schellingb/stdstring-signed-fix

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Fix crash in ctype style char macros with signed inputs
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Autechre 2020-11-19 21:51:40 +01:00 committed by GitHub
commit 2430736a5d
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1 changed files with 11 additions and 11 deletions
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22
libretro-common/include/string/stdstring.h
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@ -44,20 +44,20 @@ RETRO_BEGIN_DECLS
#define string_is_not_equal_fast(a, b, size) (memcmp(a, b, size) != 0)
#define string_is_equal_fast(a, b, size) (memcmp(a, b, size) == 0)
#define TOLOWER(c) (c | (lr_char_props[c] & 0x20))
#define TOUPPER(c) (c & ~(lr_char_props[c] & 0x20))
#define TOLOWER(c) ((c) | (lr_char_props[(unsigned char)(c)] & 0x20))
#define TOUPPER(c) ((c) & ~(lr_char_props[(unsigned char)(c)] & 0x20))
/* C standard says \f \v are space, but this one disagrees */
#define ISSPACE(c) (lr_char_props[c] & 0x80)
#define ISSPACE(c) (lr_char_props[(unsigned char)(c)] & 0x80)
#define ISDIGIT(c) (lr_char_props[c] & 0x40)
#define ISALPHA(c) (lr_char_props[c] & 0x20)
#define ISLOWER(c) (lr_char_props[c] & 0x04)
#define ISUPPER(c) (lr_char_props[c] & 0x02)
#define ISALNUM(c) (lr_char_props[c] & 0x60)
#define ISUALPHA(c) (lr_char_props[c] & 0x28)
#define ISUALNUM(c) (lr_char_props[c] & 0x68)
#define IS_XDIGIT(c) (lr_char_props[c] & 0x01)
#define ISDIGIT(c) (lr_char_props[(unsigned char)(c)] & 0x40)
#define ISALPHA(c) (lr_char_props[(unsigned char)(c)] & 0x20)
#define ISLOWER(c) (lr_char_props[(unsigned char)(c)] & 0x04)
#define ISUPPER(c) (lr_char_props[(unsigned char)(c)] & 0x02)
#define ISALNUM(c) (lr_char_props[(unsigned char)(c)] & 0x60)
#define ISUALPHA(c) (lr_char_props[(unsigned char)(c)] & 0x28)
#define ISUALNUM(c) (lr_char_props[(unsigned char)(c)] & 0x68)
#define IS_XDIGIT(c) (lr_char_props[(unsigned char)(c)] & 0x01)
/* Deprecated alias, all callers should use string_is_equal_case_insensitive instead */
#define string_is_equal_noncase string_is_equal_case_insensitive