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LibC: Add support for isblank()

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This commit is contained in:
Gunnar Beutner 2021-04-12 10:21:30 +02:00 committed by Andreas Kling
parent 097901818e
commit 3df7f868e8
Notes: sideshowbarker 2024-07-18 20:21:10 +09:00 
Author: https://github.com/gunnarbeutner
Commit: https://github.com/SerenityOS/serenity/commit/3df7f868e82
Pull-request: https://github.com/SerenityOS/serenity/pull/6253
2 changed files with 13 additions and 0 deletions
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6
Userland/Libraries/LibC/ctype.cpp
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@ -119,6 +119,12 @@ int isascii(int c)
return ((unsigned)c <= 127);
}
#undef isblank
int isblank(int c)
{
return __inline_isblank(c);
}
#undef toascii
int toascii(int c)
{

7
Userland/Libraries/LibC/ctype.h
View File

@ -102,6 +102,11 @@ static inline int __inline_isupper(int c)
return _ctype_[(unsigned char)(c)] & (_U);
}
static inline int __inline_isblank(int c)
{
return _ctype_[(unsigned char)(c)] & (_B) || (c == '\t');
}
static inline int __inline_toascii(int c)
{
return c & 127;
@ -137,6 +142,7 @@ int isprint(int c);
int isgraph(int c);
int islower(int c);
int isupper(int c);
int isblank(int c);
int toascii(int c);
int tolower(int c);
int toupper(int c);
@ -156,6 +162,7 @@ int toupper(int c);
#define isgraph __inline_isgraph
#define islower __inline_islower
#define isupper __inline_isupper
#define isblank __inline_isblank
#define toascii __inline_toascii
#define tolower __inline_tolower
#define toupper __inline_toupper