Fix invalid pointer arithmetic.

[nmh] / sbr / oauth_prof.c

diff --git a/sbr/oauth_prof.c b/sbr/oauth_prof.c
index ab1338e09be229c41a072b370db5cbb6afc1b3ab..51a5f7ac38fb460a016ff1518dd2228d1bf58c86 100644 (file)
--- a/sbr/oauth_prof.c
+++ b/sbr/oauth_prof.c
@@ -76,7 +76,7 @@ update_svc_field(char **field, const char *base_name, const char *svc)
 }
 
 /* Update all service_info fields that are overridden in profile. */
-static boolean
+static bool
 update_svc(mh_oauth_service_info *svc, const char *svc_name, char *errbuf,
           size_t errbuflen)
 {
@@ -85,7 +85,7 @@ update_svc(mh_oauth_service_info *svc, const char *svc_name, char *errbuf,
     if (svc->name == NULL) {                                             \
        snprintf(errbuf, errbuflen, "%s", #name " is missing");          \
        errbuf[errbuflen - 1] = '\0';                                    \
-        return FALSE;                                                    \
+        return false;                                                    \
     }
     update(scope);
     update(client_id);
@@ -103,10 +103,10 @@ update_svc(mh_oauth_service_info *svc, const char *svc_name, char *errbuf,
         svc->display_name = svc->name;
     }
 
-    return TRUE;
+    return true;
 }
 
-boolean
+bool
 mh_oauth_get_service_info(const char *svc_name, mh_oauth_service_info *svcinfo,
                          char *errbuf, size_t errbuflen)
 {
@@ -124,35 +124,28 @@ mh_oauth_get_service_info(const char *svc_name, mh_oauth_service_info *svcinfo,
         }
     }
 
-    if (!update_svc(svcinfo, svc_name, errbuf, errbuflen)) {
-        return FALSE;
-    }
-
-    return TRUE;
+    return update_svc(svcinfo, svc_name, errbuf, errbuflen);
 }
 
-const char *
+/* Return value must be free(3)'d. */
+char *
 mh_oauth_cred_fn(const char *svc)
 {
-    char *result, *result_if_allocated;
-
-    char *component = mh_oauth_node_name_for_svc("credential-file", svc);
-    result = context_find(component);
-    free(component);
-
-    if (result == NULL) {
-        result = concat("oauth-", svc, NULL);
-        result_if_allocated = result;
-    } else {
-        result_if_allocated = NULL;
-    }
-
-    if (result[0] != '/') {
-        const char *tmp = m_maildir(result);
-        free(result_if_allocated);
-        result = getcpy(tmp);
-    }
-
-    return result;
+    char *key = mh_oauth_node_name_for_svc("credential-file", svc);
+    char *value = context_find(key);
+    free(key);
+
+    bool found = value;
+    if (found) {
+        if (*value == '/')
+            return mh_xstrdup(value);
+    } else
+        value = concat("oauth-", svc, NULL);
+
+    const char *md = m_maildir(value);
+    if (!found)
+        free(value);
+
+    return mh_xstrdup(md);
 }
 #endif