1 files changed, 69 insertions, 0 deletions
diff --git a/utils/prompts.c b/utils/prompts.c
new file mode 100644
index 00000000..d0823334
--- /dev/null
+++ b/utils/prompts.c
@@ -0,0 +1,69 @@
+/*
+ * Functions for making, destroying, and manipulating prompts_t
+ * structures.
+ */
+
+#include "putty.h"
+
+prompts_t *new_prompts(void)
+{
+    prompts_t *p = snew(prompts_t);
+    p->prompts = NULL;
+    p->n_prompts = p->prompts_size = 0;
+    p->data = NULL;
+    p->spr = SPR_INCOMPLETE;
+    p->to_server = true; /* to be on the safe side */
+    p->name = p->instruction = NULL;
+    p->name_reqd = p->instr_reqd = false;
+    p->callback = NULL;
+    p->callback_ctx = NULL;
+    p->ldisc_ptr_to_us = NULL;
+    return p;
+}
+
+void add_prompt(prompts_t *p, char *promptstr, bool echo)
+{
+    prompt_t *pr = snew(prompt_t);
+    pr->prompt = promptstr;
+    pr->echo = echo;
+    pr->result = strbuf_new_nm();
+    sgrowarray(p->prompts, p->prompts_size, p->n_prompts);
+    p->prompts[p->n_prompts++] = pr;
+}
+
+void prompt_set_result(prompt_t *pr, const char *newstr)
+{
+    strbuf_clear(pr->result);
+    put_dataz(pr->result, newstr);
+}
+
+const char *prompt_get_result_ref(prompt_t *pr)
+{
+    return pr->result->s;
+}
+
+char *prompt_get_result(prompt_t *pr)
+{
+    return dupstr(pr->result->s);
+}
+
+void free_prompts(prompts_t *p)
+{
+    size_t i;
+
+    /* If an Ldisc currently knows about us, tell it to forget us, so
+     * it won't dereference a stale pointer later. */
+    if (p->ldisc_ptr_to_us)
+        *p->ldisc_ptr_to_us = NULL;
+
+    for (i=0; i < p->n_prompts; i++) {
+        prompt_t *pr = p->prompts[i];
+        strbuf_free(pr->result);
+        sfree(pr->prompt);
+        sfree(pr);
+    }
+    sfree(p->prompts);
+    sfree(p->name);
+    sfree(p->instruction);
+    sfree(p);
+}