xref: /kvm-unit-tests/lib/ctype.h (revision 48d5952451de62a4db23cf73024f702cf1a64fc3)
15927d1c2SAndrew Jones /* SPDX-License-Identifier: LGPL-2.0-or-later */
25927d1c2SAndrew Jones #ifndef _CTYPE_H_
35927d1c2SAndrew Jones #define _CTYPE_H_
45927d1c2SAndrew Jones 
isblank(int c)55927d1c2SAndrew Jones static inline int isblank(int c)
65927d1c2SAndrew Jones {
75927d1c2SAndrew Jones 	return c == ' ' || c == '\t';
85927d1c2SAndrew Jones }
95927d1c2SAndrew Jones 
islower(int c)105927d1c2SAndrew Jones static inline int islower(int c)
115927d1c2SAndrew Jones {
125927d1c2SAndrew Jones 	return c >= 'a' && c <= 'z';
135927d1c2SAndrew Jones }
145927d1c2SAndrew Jones 
isupper(int c)155927d1c2SAndrew Jones static inline int isupper(int c)
165927d1c2SAndrew Jones {
175927d1c2SAndrew Jones 	return c >= 'A' && c <= 'Z';
185927d1c2SAndrew Jones }
195927d1c2SAndrew Jones 
isalpha(int c)205927d1c2SAndrew Jones static inline int isalpha(int c)
215927d1c2SAndrew Jones {
225927d1c2SAndrew Jones 	return isupper(c) || islower(c);
235927d1c2SAndrew Jones }
245927d1c2SAndrew Jones 
isdigit(int c)255927d1c2SAndrew Jones static inline int isdigit(int c)
265927d1c2SAndrew Jones {
275927d1c2SAndrew Jones 	return c >= '0' && c <= '9';
285927d1c2SAndrew Jones }
295927d1c2SAndrew Jones 
isalnum(int c)305927d1c2SAndrew Jones static inline int isalnum(int c)
315927d1c2SAndrew Jones {
325927d1c2SAndrew Jones 	return isalpha(c) || isdigit(c);
335927d1c2SAndrew Jones }
345927d1c2SAndrew Jones 
isspace(int c)355927d1c2SAndrew Jones static inline int isspace(int c)
365927d1c2SAndrew Jones {
375927d1c2SAndrew Jones         return c == ' ' || c == '\t' || c == '\r' || c == '\n' || c == '\v' || c == '\f';
385927d1c2SAndrew Jones }
395927d1c2SAndrew Jones 
toupper(int c)40*24aec76aSAndrew Jones static inline int toupper(int c)
41*24aec76aSAndrew Jones {
42*24aec76aSAndrew Jones 	return islower(c) ? c - 'a' + 'A' : c;
43*24aec76aSAndrew Jones }
44*24aec76aSAndrew Jones 
tolower(int c)45*24aec76aSAndrew Jones static inline int tolower(int c)
46*24aec76aSAndrew Jones {
47*24aec76aSAndrew Jones 	return isupper(c) ? c - 'A' + 'a' : c;
48*24aec76aSAndrew Jones }
49*24aec76aSAndrew Jones 
505927d1c2SAndrew Jones #endif /* _CTYPE_H_ */
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