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-rw-r--r--enaligned_strndup.c134
1 files changed, 134 insertions, 0 deletions
diff --git a/enaligned_strndup.c b/enaligned_strndup.c
new file mode 100644
index 0000000..6812d1c
--- /dev/null
+++ b/enaligned_strndup.c
@@ -0,0 +1,134 @@
+/* See LICENSE file for copyright and license details. */
+#include "libsimple.h"
+#ifndef TEST
+
+
+char *
+libsimple_enaligned_strndup(int status, const char *s, size_t alignment, size_t n)
+{
+ void *ret = aligned_strndup(s, alignment, n);
+ if (!ret)
+ enprintf(status, "aligned_strndup:");
+ return ret;
+}
+
+
+#else
+#include "test.h"
+
+int
+main(void)
+{
+ struct allocinfo *info;
+ void *s;
+
+ assert((s = libsimple_enaligned_strndup(1, "hello", 2, SIZE_MAX)));
+ if (have_custom_malloc()) {
+ assert((info = get_allocinfo(s)));
+ assert(info->size == 6);
+ assert(info->alignment == 2);
+ assert(!info->zeroed);
+ }
+ assert(!memcmp(s, "hello", 6));
+ free(s);
+
+ assert((s = libsimple_ealigned_strndup("test", 8, SIZE_MAX)));
+ if (have_custom_malloc()) {
+ assert((info = get_allocinfo(s)));
+ assert(info->size == 8);
+ assert(info->alignment == 8);
+ assert(!info->zeroed);
+ }
+ assert(!memcmp(s, "test", 5));
+ free(s);
+
+ assert((s = libsimple_enaligned_strndup(1, "hello", 2, 100)));
+ if (have_custom_malloc()) {
+ assert((info = get_allocinfo(s)));
+ assert(info->size == 6);
+ assert(info->alignment == 2);
+ assert(!info->zeroed);
+ }
+ assert(!memcmp(s, "hello", 6));
+ free(s);
+
+ assert((s = libsimple_ealigned_strndup("test", 8, 100)));
+ if (have_custom_malloc()) {
+ assert((info = get_allocinfo(s)));
+ assert(info->size == 8);
+ assert(info->alignment == 8);
+ assert(!info->zeroed);
+ }
+ assert(!memcmp(s, "test", 5));
+ free(s);
+
+ assert((s = libsimple_enaligned_strndup(1, "hello", 2, 6)));
+ if (have_custom_malloc()) {
+ assert((info = get_allocinfo(s)));
+ assert(info->size == 6);
+ assert(info->alignment == 2);
+ assert(!info->zeroed);
+ }
+ assert(!memcmp(s, "hello", 6));
+ free(s);
+
+ assert((s = libsimple_ealigned_strndup("test", 8, 5)));
+ if (have_custom_malloc()) {
+ assert((info = get_allocinfo(s)));
+ assert(info->size == 8);
+ assert(info->alignment == 8);
+ assert(!info->zeroed);
+ }
+ assert(!memcmp(s, "test", 5));
+ free(s);
+
+ assert((s = libsimple_enaligned_strndup(1, "hello", 2, 5)));
+ if (have_custom_malloc()) {
+ assert((info = get_allocinfo(s)));
+ assert(info->size == 6);
+ assert(info->alignment == 2);
+ assert(!info->zeroed);
+ }
+ assert(!memcmp(s, "hello", 6));
+ free(s);
+
+ assert((s = libsimple_ealigned_strndup("test", 8, 4)));
+ if (have_custom_malloc()) {
+ assert((info = get_allocinfo(s)));
+ assert(info->size == 8);
+ assert(info->alignment == 8);
+ assert(!info->zeroed);
+ }
+ assert(!memcmp(s, "test", 5));
+ free(s);
+
+ assert((s = libsimple_enaligned_strndup(1, "hello", 2, 4)));
+ if (have_custom_malloc()) {
+ assert((info = get_allocinfo(s)));
+ assert(info->size == 6);
+ assert(info->alignment == 2);
+ assert(!info->zeroed);
+ }
+ assert(!memcmp(s, "hell", 5));
+ free(s);
+
+ if (have_custom_malloc()) {
+ alloc_fail_in = 1;
+ assert_exit_ptr(libsimple_enaligned_strndup(44, "hello", 2, 10));
+ assert(exit_status == 44);
+ assert_stderr("%s: aligned_strndup: %s\n", argv0, strerror(ENOMEM));
+ assert(!alloc_fail_in);
+
+ libsimple_default_failure_exit = 55;
+ alloc_fail_in = 1;
+ assert_exit_ptr(libsimple_ealigned_strndup("test", 8, 10));
+ assert(exit_status == 55);
+ assert_stderr("%s: aligned_strndup: %s\n", argv0, strerror(ENOMEM));
+ assert(!alloc_fail_in);
+ libsimple_default_failure_exit = 1;
+ }
+
+ return 0;
+}
+
+#endif