1 files changed, 100 insertions, 0 deletions
diff --git a/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_pwhash/scryptsalsa208sha256/scrypt_platform.c b/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_pwhash/scryptsalsa208sha256/scrypt_platform.c
new file mode 100644
index 00000000..85d4267d
--- /dev/null
+++ b/external_libs/python/pyzmq-14.7.0/bundled/libsodium/src/libsodium/crypto_pwhash/scryptsalsa208sha256/scrypt_platform.c
@@ -0,0 +1,100 @@
+/*-
+ * Copyright 2013 Alexander Peslyak
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifdef HAVE_SYS_MMAN_H
+# include <sys/mman.h>
+#endif
+#include <errno.h>
+#include <stdlib.h>
+
+#include "crypto_scrypt.h"
+#include "runtime.h"
+
+#if !defined(MAP_ANON) && defined(MAP_ANONYMOUS)
+# define MAP_ANON MAP_ANONYMOUS
+#endif
+
+void *
+alloc_region(escrypt_region_t * region, size_t size)
+{
+	uint8_t * base, * aligned;
+#if defined(MAP_ANON) && defined(HAVE_MMAP)
+	if ((base = (uint8_t *) mmap(NULL, size, PROT_READ | PROT_WRITE,
+#ifdef MAP_NOCORE
+	    MAP_ANON | MAP_PRIVATE | MAP_NOCORE,
+#else
+	    MAP_ANON | MAP_PRIVATE,
+#endif
+	    -1, 0)) == MAP_FAILED)
+		base = NULL; /* LCOV_EXCL_LINE */
+	aligned = base;
+#elif defined(HAVE_POSIX_MEMALIGN)
+	if ((errno = posix_memalign((void **) &base, 64, size)) != 0)
+		base = NULL;
+	aligned = base;
+#else
+	base = aligned = NULL;
+	if (size + 63 < size)
+		errno = ENOMEM;
+	else if ((base = (uint8_t *) malloc(size + 63)) != NULL) {
+		aligned = base + 63;
+		aligned -= (uintptr_t)aligned & 63;
+	}
+#endif
+	region->base = base;
+	region->aligned = aligned;
+	region->size = base ? size : 0;
+	return aligned;
+}
+
+static inline void
+init_region(escrypt_region_t * region)
+{
+	region->base = region->aligned = NULL;
+	region->size = 0;
+}
+
+int
+free_region(escrypt_region_t * region)
+{
+	if (region->base) {
+#if defined(MAP_ANON) && defined(HAVE_MMAP)
+		if (munmap(region->base, region->size))
+			return -1; /* LCOV_EXCL_LINE */
+#else
+		free(region->base);
+#endif
+	}
+	init_region(region);
+	return 0;
+}
+
+int
+escrypt_init_local(escrypt_local_t * local)
+{
+	init_region(local);
+	return 0;
+}
+
+int
+escrypt_free_local(escrypt_local_t * local)
+{
+	return free_region(local);
+}