mirror of
https://github.com/pret/pokeplatinum.git
synced 2026-08-23 09:55:29 -05:00
78c1991f31
Some checks failed
build / build (push) Has been cancelled
Co-authored-by: Rachel <rachel@lhea.me>
71 lines
1.9 KiB
C
71 lines
1.9 KiB
C
// SPDX-License-Identifier: MIT
|
|
|
|
/*
|
|
* strings - An extension library for strings of known size.
|
|
* Copyright (C) 2025 <lhearachel@proton.me>
|
|
*/
|
|
|
|
#ifndef STRINGS_H
|
|
#define STRINGS_H
|
|
|
|
typedef struct {
|
|
unsigned char *s;
|
|
long len;
|
|
} string;
|
|
|
|
typedef struct {
|
|
string head;
|
|
string tail;
|
|
} strpair;
|
|
|
|
#define lengthof(__s) ((long)sizeof(__s) / (long)sizeof(*(__s)) - 1)
|
|
|
|
// clang-format off
|
|
// constructor macros
|
|
#define string(...) stringX(__VA_ARGS__, stringL, stringS)(__VA_ARGS__)
|
|
#define stringX(a, b, c, ...) c
|
|
#define stringZ (string){ .s = 0, .len = 0 }
|
|
#define stringS(__s) (string){ .s = (unsigned char *)(__s), .len = lengthof(__s) }
|
|
#define stringL(__s, __len) (string){ .s = (unsigned char *)(__s), .len = (__len) }
|
|
|
|
// unpacking macro for use by printf-esque functions
|
|
// the corresponding format-marker is “%.*s”
|
|
#define fmtstring(__str) (int)(__str).len, (__str).s
|
|
// clang-format on
|
|
|
|
/*
|
|
* Cut a string into head and tail around the first occurrence of any delimiting token. If no such
|
|
* token is found, then the returned head will be the input string, and the returned tail will have
|
|
* length 0.
|
|
*/
|
|
strpair strcut(const string s, unsigned char c);
|
|
|
|
/*
|
|
* Trim leading ASCII-whitespace characters from a string.
|
|
*/
|
|
string strltrim(string s);
|
|
|
|
/*
|
|
* Trim trailing ASCII-whitespace characters from a string.
|
|
*/
|
|
string strrtrim(string s);
|
|
|
|
/*
|
|
* Return 1 if the two strings are equal, else return 0.
|
|
*/
|
|
int strequ(const string a, const string b);
|
|
|
|
/*
|
|
* Return 1 if up to the first `n` characters of both strings are equal, else return 0.
|
|
* If either string contains fewer than `n` characters, then the smaller string defines the
|
|
* comparison length.
|
|
*/
|
|
int strnequ(const string a, const string b, long n);
|
|
|
|
/*
|
|
* Evaluate a case-insensitive comparison between two strings.
|
|
*/
|
|
int stricmp(const string a, const string b);
|
|
|
|
#endif // STRINGS_H
|