/* Copyright 2011-2020 David Robillard Permission to use, copy, modify, and/or distribute this software for any purpose with or without fee is hereby granted, provided that the above copyright notice and this permission notice appear in all copies. THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ #include "system.h" #include "serd/serd.h" #include "serd_config.h" #ifdef _WIN32 # define WIN32_LEAN_AND_MEAN 1 # include # include #endif #include #include #include #include int serd_system_strerror(const int errnum, char* const buf, const size_t buflen) { #if USE_STRERROR_R return strerror_r(errnum, buf, buflen); #else // Not thread-safe, but... oh well? const char* const message = strerror(errnum); strncpy(buf, message, buflen); return 0; #endif } void* serd_malloc_aligned(const size_t alignment, const size_t size) { #if defined(_WIN32) return _aligned_malloc(size, alignment); #elif USE_POSIX_MEMALIGN void* ptr = NULL; const int ret = posix_memalign(&ptr, alignment, size); return ret ? NULL : ptr; #else (void)alignment; return malloc(size); #endif } void* serd_calloc_aligned(const size_t alignment, const size_t size) { #if defined(_WIN32) || defined(USE_POSIX_MEMALIGN) void* const ptr = serd_malloc_aligned(alignment, size); if (ptr) { memset(ptr, 0, size); } return ptr; #else (void)alignment; return calloc(1, size); #endif } void* serd_allocate_buffer(const size_t size) { return serd_malloc_aligned(SERD_PAGE_SIZE, size); } void serd_free_aligned(void* const ptr) { #ifdef _WIN32 _aligned_free(ptr); #else free(ptr); #endif } char* serd_canonical_path(const char* const path) { assert(path); #ifdef _WIN32 const DWORD size = GetFullPathName(path, 0, NULL, NULL); if (size == 0) { return NULL; } char* const out = (char*)calloc(size, 1); const DWORD ret = GetFullPathName(path, MAX_PATH, out, NULL); if (ret == 0 || ret >= size) { free(out); return NULL; } return out; #else return path ? realpath(path, NULL) : NULL; #endif }