Fixed an old bug: ensure the path used for configuration does exist before saving it.

git-svn-id: svn://svn.gna.org/svn/chrysalide/trunk@215 abbe820e-26c8-41b2-8c08-b7b2b41f8b0a

1 files changed, 52 insertions, 8 deletions

diff --git a/src/configuration.c b/src/configuration.c
index 5d17072..1ff3353 100644
--- a/src/configuration.c
+++ b/src/configuration.c
@@ -24,10 +24,12 @@
 #include "configuration.h"
 
 
+#include <libgen.h>
 #include <malloc.h>
 #include <stdlib.h>
 #include <string.h>
 #include <unistd.h>
+#include <sys/stat.h>
 
 
 #include "xdg.h"
@@ -50,6 +52,10 @@ struct _configuration
 };
 
 
+/* S'assure qu'un chemin donné existe dans le système. */
+static int ensure_path_exists(const char *);
+
+
 
 /******************************************************************************
 *                                                                             *
@@ -74,16 +80,12 @@ configuration *load_configuration(const char *name, config_param *params, unsign
 
     result = (configuration *)calloc(1, sizeof(configuration));
 
-    printf("reset...\n");
-
     for (i = 0; i < count; i++)
         params[i].cur = params[i].def;
 
     result->params = params;
     result->count = count;
 
-    printf("init done\n");
-
     suffix = strdup("openida/");
     suffix = stradd(suffix, name);
     suffix = stradd(suffix, ".xml");
@@ -118,7 +120,45 @@ configuration *load_configuration(const char *name, config_param *params, unsign
                     break;
 
             }
-    printf("loaded\n");
+
+    return result;
+
+}
+
+
+/******************************************************************************
+*                                                                             *
+*  Paramètres  : path = chemin d'accès à valider.                             *
+*                                                                             *
+*  Description : S'assure qu'un chemin donné existe dans le système.          *
+*                                                                             *
+*  Retour      : 0 si le chemin est actuellement présent, -1 sinon.           *
+*                                                                             *
+*  Remarques   : -                                                            *
+*                                                                             *
+******************************************************************************/
+
+static int ensure_path_exists(const char *path)
+{
+    int result;                             /* Bilan de l'assurance        */
+    char *tmp;                              /* Chemin altérable            */
+
+    tmp = strdup(path);
+    tmp = dirname(tmp);
+
+    result = access(tmp, W_OK | X_OK);
+
+    if (result != 0)
+    {
+        result = ensure_path_exists(tmp);
+
+        if (result == 0)
+            result = mkdir(tmp, 0700);
+
+    }
+
+    free(tmp);
+
     return result;
 
 }
@@ -138,14 +178,16 @@ configuration *load_configuration(const char *name, config_param *params, unsign
 
 void unload_configuration(configuration *config)
 {
+    int ret;                                /* Bilan de l'assurance        */
     unsigned int i;                         /* Boucle de parcours          */
     config_param *params;                   /* Confort d'utilisation       */
 
-    printf("Writing '%s'\n", config->filename);
-
     close_xml_file(config->xdoc, config->context);
-    create_new_xml_file(&config->xdoc, &config->context);
 
+    ret = ensure_path_exists(config->filename);
+    if (ret != 0) goto uc_exit;
+
+    create_new_xml_file(&config->xdoc, &config->context);
 
     for (i = 0; i < config->count; i++)
     {
@@ -187,6 +229,8 @@ void unload_configuration(configuration *config)
 
     save_xml_file(config->xdoc, config->filename);
 
+ uc_exit:
+
     free(config);
 
 }