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[yaz-moved-to-github.git] / zoom / zoom-opt.c

diff --git a/zoom/zoom-opt.c b/zoom/zoom-opt.c
index f99092e..19d1e49 100644 (file)
--- a/zoom/zoom-opt.c
+++ b/zoom/zoom-opt.c
@@ -1,5 +1,5 @@
 /*
- * $Id: zoom-opt.c,v 1.2 2001-11-18 21:14:23 adam Exp $
+ * $Id: zoom-opt.c,v 1.7 2002-06-04 08:33:49 adam Exp $
  *
  * ZOOM layer for C, options handling
  */
@@ -9,31 +9,45 @@
 
 #include "zoom-p.h"
 
-ZOOM_options ZOOM_options_create (void)
+ZOOM_API(ZOOM_options)
+ZOOM_options_create_with_parent (ZOOM_options parent)
+{
+    return ZOOM_options_create_with_parent2(parent, 0);
+}
+
+ZOOM_API(ZOOM_options)
+ZOOM_options_create (void)
 {
     return ZOOM_options_create_with_parent (0);
 }
 
-ZOOM_options ZOOM_options_create_with_parent (ZOOM_options parent)
+
+ZOOM_API(ZOOM_options)
+ZOOM_options_create_with_parent2 (ZOOM_options parent1, ZOOM_options parent2)
 {
-    ZOOM_options opt = xmalloc (sizeof(*opt));
+    ZOOM_options opt = (ZOOM_options) xmalloc (sizeof(*opt));
 
     opt->refcount = 1;
     opt->callback_func = 0;
     opt->callback_handle = 0;
     opt->entries = 0;
-    opt->parent= parent;
-    if (parent)
-       (parent->refcount)++;
+    opt->parent1= parent1;
+    if (parent1)
+       (parent1->refcount)++;
+    opt->parent2= parent2;
+    if (parent2)
+       (parent2->refcount)++;
     return opt;
 }
 
+
 void ZOOM_options_addref (ZOOM_options opt)
 {
     (opt->refcount)++;
 }
 
-ZOOM_options_callback ZOOM_options_set_callback (
+ZOOM_API(ZOOM_options_callback)
+ZOOM_options_set_callback (
     ZOOM_options opt,
     ZOOM_options_callback callback_func,
     void *callback_handle)
@@ -47,7 +61,8 @@ ZOOM_options_callback ZOOM_options_set_callback (
     return callback_old;
 }
 
-void ZOOM_options_destroy (ZOOM_options opt)
+ZOOM_API(void)
+ZOOM_options_destroy (ZOOM_options opt)
 {
     if (!opt)
        return;
@@ -56,7 +71,8 @@ void ZOOM_options_destroy (ZOOM_options opt)
     {
        struct ZOOM_options_entry *e;
        
-       ZOOM_options_destroy (opt->parent);
+       ZOOM_options_destroy (opt->parent1);
+       ZOOM_options_destroy (opt->parent2);
        e = opt->entries;
        while (e)
        {
@@ -70,7 +86,9 @@ void ZOOM_options_destroy (ZOOM_options opt)
     }
 }
 
-void ZOOM_options_set (ZOOM_options opt, const char *name, const char *value)
+ZOOM_API(void)
+ZOOM_options_setl (ZOOM_options opt, const char *name, const char *value,
+                   int len)
 {
     struct ZOOM_options_entry **e;
 
@@ -80,18 +98,37 @@ void ZOOM_options_set (ZOOM_options opt, const char *name, const char *value)
        if (!strcmp((*e)->name, name))
        {
            xfree ((*e)->value);
-           (*e)->value = xstrdup(value);
+            (*e)->value = 0;
+            if (value)
+            {
+                (*e)->value = xmalloc (len+1);
+                memcpy ((*e)->value, value, len);
+                (*e)->value[len] = '\0';
+            }
            return;
        }
        e = &(*e)->next;
     }
-    *e = xmalloc (sizeof(**e));
+    *e = (struct ZOOM_options_entry *) xmalloc (sizeof(**e));
     (*e)->name = xstrdup (name);
-    (*e)->value = xstrdup (value);
+    (*e)->value = 0;
+    if (value)
+    {
+        (*e)->value = xmalloc (len+1);
+        memcpy ((*e)->value, value, len);
+        (*e)->value[len] = '\0';
+    }
     (*e)->next = 0;
 }
 
-const char *ZOOM_options_get (ZOOM_options opt, const char *name)
+ZOOM_API(void)
+ZOOM_options_set (ZOOM_options opt, const char *name, const char *value)
+{
+    ZOOM_options_setl (opt, name, value, value ? strlen(value): 0);
+}
+
+ZOOM_API(const char *)
+ZOOM_options_get (ZOOM_options opt, const char *name)
 {
     const char *v = 0;
     if (!opt)
@@ -109,11 +146,14 @@ const char *ZOOM_options_get (ZOOM_options opt, const char *name)
            }
     }
     if (!v)
-       return ZOOM_options_get(opt->parent, name);
+       v = ZOOM_options_get(opt->parent1, name);
+    if (!v)
+       v = ZOOM_options_get(opt->parent2, name);
     return v;
 }
 
-int ZOOM_options_get_bool (ZOOM_options opt, const char *name, int defa)
+ZOOM_API(int)
+ZOOM_options_get_bool (ZOOM_options opt, const char *name, int defa)
 {
     const char *v = ZOOM_options_get (opt, name);
 
@@ -124,7 +164,8 @@ int ZOOM_options_get_bool (ZOOM_options opt, const char *name, int defa)
     return 0;
 }
 
-int ZOOM_options_get_int (ZOOM_options opt, const char *name, int defa)
+ZOOM_API(int)
+ZOOM_options_get_int (ZOOM_options opt, const char *name, int defa)
 {
     const char *v = ZOOM_options_get (opt, name);
 
@@ -132,3 +173,12 @@ int ZOOM_options_get_int (ZOOM_options opt, const char *name, int defa)
        return defa;
     return atoi(v);
 }
+
+ZOOM_API(void)
+ZOOM_options_set_int(ZOOM_options opt, const char *name, int value)
+{
+    char s[40];
+
+    sprintf (s, "%d", value);
+    ZOOM_options_set (opt, name, s);
+}