picom/src/string_utils.h

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// SPDX-License-Identifier: MPL-2.0
// Copyright (c) Yuxuan Shui <yshuiv7@gmail.com>
#pragma once
#include <ctype.h>
#include <stddef.h>
#include "compiler.h"
#define mstrncmp(s1, s2) strncmp((s1), (s2), strlen(s1))
char *mstrjoin(const char *src1, const char *src2);
char *mstrjoin3(const char *src1, const char *src2, const char *src3);
void mstrextend(char **psrc1, const char *src2);
/// Parse a floating point number of form (+|-)?[0-9]*(\.[0-9]*)
double strtod_simple(const char *, const char **);
static inline int uitostr(unsigned int n, char *buf) {
int ret = 0;
unsigned int tmp = n;
while (tmp > 0) {
tmp /= 10;
ret++;
}
if (ret == 0)
ret = 1;
int pos = ret;
while (pos--) {
buf[pos] = (char)(n % 10 + '0');
n /= 10;
}
return ret;
}
static inline const char *skip_space_const(const char *src) {
if (!src)
return NULL;
while (*src && isspace(*src))
src++;
return src;
}
static inline char *skip_space_mut(char *src) {
if (!src)
return NULL;
while (*src && isspace(*src))
src++;
return src;
}
#define skip_space(x) \
_Generic((x), char * : skip_space_mut, const char * : skip_space_const)(x)