/* SPDX-License-Identifier: LGPL-2.1 OR MIT */ /* * ctype function definitions for NOLIBC * Copyright (C) 2017-2021 Willy Tarreau <w@1wt.eu> */ #ifndef _NOLIBC_CTYPE_H #define _NOLIBC_CTYPE_H #include "std.h" /* * As much as possible, please keep functions alphabetically sorted. */ static __attribute__((unused)) int isascii(int c) { /* 0x00..0x7f */ return (unsigned int)c <= 0x7f; } static __attribute__((unused)) int isblank(int c) { return c == '\t' || c == ' '; } static __attribute__((unused)) int iscntrl(int c) { /* 0x00..0x1f, 0x7f */ return (unsigned int)c < 0x20 || c == 0x7f; } static __attribute__((unused)) int isdigit(int c) { return (unsigned int)(c - '0') < 10; } static __attribute__((unused)) int isgraph(int c) { /* 0x21..0x7e */ return (unsigned int)(c - 0x21) < 0x5e; } static __attribute__((unused)) int islower(int c) { return (unsigned int)(c - 'a') < 26; } static __attribute__((unused)) int isprint(int c) { /* 0x20..0x7e */ return (unsigned int)(c - 0x20) < 0x5f; } static __attribute__((unused)) int isspace(int c) { /* \t is 0x9, \n is 0xA, \v is 0xB, \f is 0xC, \r is 0xD */ return ((unsigned int)c == ' ') || (unsigned int)(c - 0x09) < 5; } static __attribute__((unused)) int isupper(int c) { return (unsigned int)(c - 'A') < 26; } static __attribute__((unused)) int isxdigit(int c) { return isdigit(c) || (unsigned int)(c - 'A') < 6 || (unsigned int)(c - 'a') < 6; } static __attribute__((unused)) int isalpha(int c) { return islower(c) || isupper(c); } static __attribute__((unused)) int isalnum(int c) { return isalpha(c) || isdigit(c); } static __attribute__((unused)) int ispunct(int c) { return isgraph(c) && !isalnum(c); } /* make sure to include all global symbols */ #include "nolibc.h" #endif /* _NOLIBC_CTYPE_H */