Added unistd tests; fixed a lot of unistd bugs and deficiencies.

1 files changed, 40 insertions, 0 deletions

diff --git a/tests/unistd/links.c b/tests/unistd/links.c
new file mode 100644
index 00000000..c6da83b9
--- /dev/null
+++ b/tests/unistd/links.c
@@ -0,0 +1,40 @@
+#include <stdio.h>
+#include <errno.h>
+#include <unistd.h>
+
+int main() {
+  char* files[] = {"/link", "/file", "/folder"};
+  char buffer[256] = {0};
+
+  for (int i = 0; i < sizeof files / sizeof files[0]; i++) {
+    printf("readlink(%s)\n", files[i]);
+    printf("ret: %d\n", readlink(files[i], buffer, 256));
+    printf("errno: %d\n", errno);
+    printf("result: %s\n\n", buffer);
+    errno = 0;
+  }
+
+  printf("symlink/overwrite\n");
+  printf("ret: %d\n", symlink("new-nonexistent-path", "/link"));
+  printf("errno: %d\n\n", errno);
+  errno = 0;
+
+  printf("symlink/normal\n");
+  printf("ret: %d\n", symlink("new-nonexistent-path", "/folder/link"));
+  printf("errno: %d\n", errno);
+  errno = 0;
+
+  printf("readlink(created link)\n");
+  printf("ret: %d\n", readlink("/folder/link", buffer, 256));
+  printf("errno: %d\n", errno);
+  printf("result: %s\n\n", buffer);
+  errno = 0;
+
+  printf("readlink(short buffer)\n");
+  printf("ret: %d\n", readlink("/link", buffer, 4));
+  printf("errno: %d\n", errno);
+  printf("result: %s\n", buffer);
+  errno = 0;
+
+  return 0;
+}