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// Copyright (c) 2018-2026 Jean-Philippe Bruyère <jp_bruyere@hotmail.com>
//
// This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
#pragma once
#include <stddef.h>
// cross platform os helpers
#if defined(_WIN32) || defined(_WIN64)
// disable warning on iostream functions on windows
#define _CRT_SECURE_NO_WARNINGS
#include <windows.h>
#include <direct.h>
#if defined(_WIN64)
#ifndef isnan
#define isnan _isnanf
#endif
#endif
#define vkvg_inline __forceinline
#define disable_warning (warn)
#define reset_warning (warn)
#elif __APPLE__
#include <sys/stat.h>
#include <sys/types.h>
#include <errno.h>
#include <math.h>
#define vkvg_inline static
#define disable_warning (warn)
#define reset_warning (warn)
#elif __unix__
#include <unistd.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <pwd.h>
#define vkvg_inline static inline __attribute((always_inline))
#define disable_warning (warn) #pragma GCC diagnostic ignored "-W" #warn
#define reset_warning (warn) #pragma GCC diagnostic warning "-W" #warn
#if __linux__
void _linux_register_error_handler();
#endif
#endif
#if defined(__clang__)
#define DIAGNOSTIC_DISABLE_UNUSED _Pragma("clang diagnostic push") \
_Pragma("clang diagnostic ignored \"-Wunused-function\"")
#define DIAGNOSTIC_RESTORE_UNUSED _Pragma("clang diagnostic pop")
#elif defined(__GNUC__)
#define DIAGNOSTIC_DISABLE_UNUSED _Pragma("GCC diagnostic push") \
_Pragma("GCC diagnostic ignored \"-Wunused-function\"")
#define DIAGNOSTIC_RESTORE_UNUSED _Pragma("GCC diagnostic pop")
#elif defined(_MSC_VER)
#define DIAGNOSTIC_DISABLE_UNUSED __pragma(warning(push)) \
__pragma(warning(disable : 4505))
#define DIAGNOSTIC_RESTORE_UNUSED __pragma(warning(pop))
#else
#define DIAGNOSTIC_DISABLE_UNUSED
#define DIAGNOSTIC_RESTORE_UNUSED
#endif
#if defined(__GNUC__) || defined(__clang__)
/* GCC and Clang (Linux, macOS, MinGW) */
#define vkvg_likely(x) __builtin_expect(!!(x), 1)
#define vkvg_unlikely(x) __builtin_expect(!!(x), 0)
#elif defined(_MSC_VER)
/* MSVC (Windows) */
/* MSVC does not have a static branch predictor builtin. */
/* We fall back to standard evaluation. MSVC relies on PGO */
/* (Profile-Guided Optimization) to sort branches at link time. */
#define vkvg_likely(x) (!!(x))
#define vkvg_unlikely(x) (!!(x))
#else
/* Fallback for any other exotic compiler */
#define vkvg_likely(x) (!!(x))
#define vkvg_unlikely(x) (!!(x))
#endif
// 1. Check if we are in a POSIX environment that supports strncasecmp
#if defined(_POSIX_C_SOURCE) && (_POSIX_C_SOURCE >= 200112L)
#include <strings.h> /* Provides the native strncasecmp */
#elif !defined(__APPLE__)
/* 2. Fallback: Implement our own C11-compliant version */
#include <ctype.h>
static inline int strncasecmp(const char *s1, const char *s2, size_t n) {
while (n-- > 0) {
unsigned char u1 = (unsigned char)*s1;
unsigned char u2 = (unsigned char)*s2;
int diff = tolower(u1) - tolower(u2);
if (diff != 0 || u1 == '\0') return diff;
s1++; s2++;
}
return 0;
}
#endif
const char* getUserDir();
int create_dir(const char* path);
int create_dir_tree(const char* path);
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