diff options
Diffstat (limited to 'src/system.c')
-rw-r--r-- | src/system.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/system.c b/src/system.c new file mode 100644 index 00000000..0a6a5561 --- /dev/null +++ b/src/system.c @@ -0,0 +1,59 @@ +/* + Copyright 2011-2020 David Robillard <http://drobilla.net> + + 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. +*/ + +#define _POSIX_C_SOURCE 200809L /* for posix_memalign and posix_fadvise */ + +#include "system.h" + +#include "serd_config.h" +#include "serd_internal.h" + +#if defined(HAVE_POSIX_FADVISE) && defined(HAVE_FILENO) +# include <fcntl.h> +#endif + +#include <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> + +FILE* +serd_fopen(const char* path, const char* mode) +{ + FILE* fd = fopen(path, mode); + if (!fd) { + fprintf(stderr, "error: failed to open file %s (%s)\n", + path, strerror(errno)); + return NULL; + } +#if defined(HAVE_POSIX_FADVISE) && defined(HAVE_FILENO) + posix_fadvise(fileno(fd), 0, 0, POSIX_FADV_SEQUENTIAL); +#endif + return fd; +} + +void* +serd_bufalloc(size_t size) +{ +#ifdef HAVE_POSIX_MEMALIGN + void* ptr = NULL; + const int ret = posix_memalign(&ptr, SERD_PAGE_SIZE, size); + return ret ? NULL : ptr; +#else + return malloc(size); +#endif +} + |