aboutsummaryrefslogtreecommitdiffstats
path: root/estrndup.c
diff options
context:
space:
mode:
Diffstat (limited to 'estrndup.c')
-rw-r--r--estrndup.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/estrndup.c b/estrndup.c
new file mode 100644
index 0000000..67f1ca4
--- /dev/null
+++ b/estrndup.c
@@ -0,0 +1,77 @@
+/* See LICENSE file for copyright and license details. */
+#include "common.h"
+#ifndef TEST
+
+
+extern inline char *libsimple_estrndup(const char *, size_t);
+
+
+#else
+#include "test.h"
+
+int
+main(void)
+{
+ struct allocinfo *info;
+ char *s;
+
+ assert((s = libsimple_estrndup("test", 10)));
+ if (have_custom_malloc()) {
+ assert((info = get_allocinfo(s)));
+ assert(info->size == 5);
+ assert(info->alignment == 1);
+ assert(!info->zeroed);
+ }
+ assert(!strcmp(s, "test"));
+ free(s);
+
+ assert((s = libsimple_estrndup("test", 3)));
+ if (have_custom_malloc()) {
+ assert((info = get_allocinfo(s)));
+ assert(info->size == 4);
+ assert(info->alignment == 1);
+ assert(!info->zeroed);
+ }
+ assert(!strcmp(s, "tes"));
+ free(s);
+
+ assert((s = libsimple_estrndup("test", 0)));
+ if (have_custom_malloc()) {
+ assert((info = get_allocinfo(s)));
+ assert(info->size == 1);
+ assert(info->alignment == 1);
+ assert(!info->zeroed);
+ }
+ assert(!strcmp(s, ""));
+ free(s);
+
+ if (have_custom_malloc()) {
+ libsimple_default_failure_exit = 15;
+ alloc_fail_in = 1;
+ assert_exit_ptr(libsimple_estrndup("test", 10));
+ assert(exit_status == 15);
+ assert_stderr("%s: strndup: %s\n", argv0, strerror(ENOMEM));
+ assert(!alloc_fail_in);
+ libsimple_default_failure_exit = 1;
+
+ libsimple_default_failure_exit = 17;
+ alloc_fail_in = 1;
+ assert_exit_ptr(libsimple_estrndup("test", 2));
+ assert(exit_status == 17);
+ assert_stderr("%s: strndup: %s\n", argv0, strerror(ENOMEM));
+ assert(!alloc_fail_in);
+ libsimple_default_failure_exit = 1;
+
+ libsimple_default_failure_exit = 19;
+ alloc_fail_in = 1;
+ assert_exit_ptr(libsimple_estrndup("test", 0));
+ assert(exit_status == 19);
+ assert_stderr("%s: strndup: %s\n", argv0, strerror(ENOMEM));
+ assert(!alloc_fail_in);
+ libsimple_default_failure_exit = 1;
+ }
+
+ return 0;
+}
+
+#endif