Add separate error returns and messages for read and write errors.

Add missing message for "general parse error" - a nasty bug.


git-svn-id: http://lm-sensors.org/svn/lm-sensors/trunk@1979 7894878c-1315-0410-8ee3-d5d059ff63e0

lib/access.c

@@ -224,7 +224,7 @@ int sensors_get_feature(sensors_chip_name name, int feature, double *result)
                                              main_feature->compute_mapping)))
     return -SENSORS_ERR_NO_ENTRY;
   if (! (main_feature->mode & SENSORS_MODE_R))
-    return -SENSORS_ERR_ACCESS;
+    return -SENSORS_ERR_ACCESS_R;
   for (chip = NULL; !expr && (chip = sensors_for_all_config_chips(name,chip));)
     for (i = 0; !final_expr && (i < chip->computes_count); i++) {
       if (!strcmp(main_feature->name,chip->computes[i].name)) {
@@ -267,7 +267,7 @@ int sensors_set_feature(sensors_chip_name name, int feature, double value)
                                              main_feature->compute_mapping)))
     return -SENSORS_ERR_NO_ENTRY;
   if (! (main_feature->mode & SENSORS_MODE_W))
-    return -SENSORS_ERR_ACCESS;
+    return -SENSORS_ERR_ACCESS_W;
   for (chip = NULL; !expr && (chip = sensors_for_all_config_chips(name,chip));)
     for (i = 0; !final_expr && (i < chip->computes_count); i++)
       if (!strcmp(main_feature->name,chip->computes[i].name)) {

lib/error.c

@@ -37,7 +37,10 @@ static const char *errorlist[] =
    /* SENSORS_ERR_PROC      */ "Can't access /proc file",
    /* SENSORS_ERR_DIV_ZERO  */ "Divide by zero",
    /* SENSORS_ERR_CHIP_NAME */ "Can't parse chip name",
-   /* SENSORS_ERR_BUS_NAME  */ "Can't parse bus name"
+   /* SENSORS_ERR_BUS_NAME  */ "Can't parse bus name",
+   /* SENSORS_ERR_PARSE     */ "General parse error",
+   /* SENSORS_ERR_ACCESS_W  */ "Can't write",
+   /* SENSORS_ERR_ACCESS_R  */ "Can't read"
  };
 
 #define ERROR_LIST_LEN (sizeof(errorlist) / sizeof(char *))

lib/error.h

@@ -28,6 +28,8 @@
 #define SENSORS_ERR_CHIP_NAME 6 /* Can't parse chip name */
 #define SENSORS_ERR_BUS_NAME 7  /* Can't parse bus name */
 #define SENSORS_ERR_PARSE 8     /* General parse error */
+#define SENSORS_ERR_ACCESS_W 9    /* Can't write */
+#define SENSORS_ERR_ACCESS_R 10    /* Can't read */
 
 #ifdef __cplusplus
 extern "C" {