When parsing action files, use strdup_or_die() instead of strdup()

[privoxy.git] / actions.c

diff --git a/actions.c b/actions.c
index 1eddb06..54f1d21 100644 (file)
--- a/actions.c
+++ b/actions.c
@@ -1,4 +1,4 @@
-const char actions_rcs[] = "$Id: actions.c,v 1.81 2012/03/09 18:06:13 fabiankeil Exp $";
+const char actions_rcs[] = "$Id: actions.c,v 1.84 2012/07/27 17:39:57 fabiankeil Exp $";
 /*********************************************************************
  *
  * File        :  $Source: /cvsroot/ijbswa/current/actions.c,v $
@@ -156,11 +156,7 @@ jb_err merge_actions (struct action_spec *dest,
       if (str)
       {
          freez(dest->string[i]);
-         dest->string[i] = strdup(str);
-         if (NULL == dest->string[i])
-         {
-            return JB_ERR_MEMORY;
-         }
+         dest->string[i] = strdup_or_die(str);
       }
    }
 
@@ -232,11 +228,7 @@ jb_err copy_action (struct action_spec *dest,
       char * str = src->string[i];
       if (str)
       {
-         str = strdup(str);
-         if (!str)
-         {
-            return JB_ERR_MEMORY;
-         }
+         str = strdup_or_die(str);
          dest->string[i] = str;
       }
    }
@@ -739,11 +731,7 @@ jb_err merge_current_action (struct current_action_spec *dest,
       char * str = src->string[i];
       if (str)
       {
-         str = strdup(str);
-         if (!str)
-         {
-            return JB_ERR_MEMORY;
-         }
+         str = strdup_or_die(str);
          freez(dest->string[i]);
          dest->string[i] = str;
       }
@@ -1330,15 +1318,7 @@ static int load_one_actions_file(struct client_state *csp, int fileid)
              *
              * buf + 1 to skip the leading '{'
              */
-            actions_buf = strdup(buf + 1);
-            if (actions_buf == NULL)
-            {
-               fclose(fp);
-               log_error(LOG_LEVEL_FATAL,
-                  "can't load actions file '%s': out of memory",
-                  csp->config->actions_file[fileid]);
-               return 1; /* never get here */
-            }
+            actions_buf = strdup_or_die(buf + 1);
 
             /* check we have a trailing } and then trim it */
             end = actions_buf + strlen(actions_buf) - 1;
@@ -1391,16 +1371,9 @@ static int load_one_actions_file(struct client_state *csp, int fileid)
             char *version_string, *fields[3];
             int num_fields;
 
-            if ((version_string = strdup(buf + 20)) == NULL)
-            {
-               fclose(fp);
-               log_error(LOG_LEVEL_FATAL,
-                         "can't load actions file '%s': out of memory!",
-                         csp->config->actions_file[fileid]);
-               return 1; /* never get here */
-            }
+            version_string = strdup_or_die(buf + 20);
 
-            num_fields = ssplit(version_string, ".", fields, SZ(fields), 1, 1);
+            num_fields = ssplit(version_string, ".", fields, SZ(fields));
 
             if (num_fields < 1 || atoi(fields[0]) == 0)
             {
@@ -1482,14 +1455,7 @@ static int load_one_actions_file(struct client_state *csp, int fileid)
             return 1; /* never get here */
          }
 
-         if ((new_alias->name = strdup(buf)) == NULL)
-         {
-            fclose(fp);
-            log_error(LOG_LEVEL_FATAL,
-               "can't load actions file '%s': out of memory!",
-               csp->config->actions_file[fileid]);
-            return 1; /* never get here */
-         }
+         new_alias->name = strdup_or_die(buf);
 
          strlcpy(actions_buf, start, sizeof(actions_buf));
 
@@ -1603,7 +1569,7 @@ char * actions_to_text(const struct action_spec *action)
 {
    unsigned long mask = action->mask;
    unsigned long add  = action->add;
-   char *result = strdup("");
+   char *result = strdup_or_die("");
    struct list_entry * lst;
 
    /* sanity - prevents "-feature +feature" */
@@ -1692,7 +1658,7 @@ char * actions_to_html(const struct client_state *csp,
 {
    unsigned long mask = action->mask;
    unsigned long add  = action->add;
-   char *result = strdup("");
+   char *result = strdup_or_die("");
    struct list_entry * lst;
 
    /* sanity - prevents "-feature +feature" */
@@ -1798,9 +1764,9 @@ char *current_action_to_html(const struct client_state *csp,
 {
    unsigned long flags  = action->flags;
    struct list_entry * lst;
-   char *result   = strdup("");
-   char *active   = strdup("");
-   char *inactive = strdup("");
+   char *result   = strdup_or_die("");
+   char *active   = strdup_or_die("");
+   char *inactive = strdup_or_die("");
 
 #define DEFINE_ACTION_BOOL(__name, __bit)  \
    if (flags & __bit)                      \
@@ -1871,3 +1837,69 @@ char *current_action_to_html(const struct client_state *csp,
    }
    return result;
 }
+
+
+/*********************************************************************
+ *
+ * Function    :  action_to_line_of_text
+ *
+ * Description :  Converts a action spec to a single text line
+ *                listing the enabled actions.
+ *
+ * Parameters  :
+ *          1  :  action = Current action spec to be converted
+ *
+ * Returns     :  A string. Caller must free it.
+ *                Out-of-memory errors are fatal.
+ *
+ *********************************************************************/
+char *actions_to_line_of_text(const struct current_action_spec *action)
+{
+   char buffer[200];
+   struct list_entry *lst;
+   char *active;
+   const unsigned long flags = action->flags;
+
+   active = strdup_or_die("");
+
+#define DEFINE_ACTION_BOOL(__name, __bit)               \
+   if (flags & __bit)                                   \
+   {                                                    \
+      snprintf(buffer, sizeof(buffer), "+%s ", __name); \
+      string_append(&active, buffer);                   \
+   }                                                    \
+
+#define DEFINE_ACTION_STRING(__name, __bit, __index)    \
+   if (flags & __bit)                                   \
+   {                                                    \
+      snprintf(buffer, sizeof(buffer), "+%s{%s} ",      \
+         __name, action->string[__index]);              \
+      string_append(&active, buffer);                   \
+   }                                                    \
+
+#define DEFINE_ACTION_MULTI(__name, __index)            \
+   lst = action->multi[__index]->first;                 \
+   while (lst != NULL)                                  \
+   {                                                    \
+      snprintf(buffer, sizeof(buffer), "+%s{%s} ",      \
+         __name, lst->str);                             \
+      string_append(&active, buffer);                   \
+      lst = lst->next;                                  \
+   }                                                    \
+
+#define DEFINE_ACTION_ALIAS 0 /* No aliases for output */
+
+#include "actionlist.h"
+
+#undef DEFINE_ACTION_MULTI
+#undef DEFINE_ACTION_STRING
+#undef DEFINE_ACTION_BOOL
+#undef DEFINE_ACTION_ALIAS
+
+   if (active == NULL)
+   {
+      log_error(LOG_LEVEL_FATAL, "Out of memory in action_to_line_of_text()");
+   }
+
+   return active;
+}