diff options
Diffstat (limited to 'src/modules/systemlib/param/param.c')
-rw-r--r-- | src/modules/systemlib/param/param.c | 27 |
1 files changed, 22 insertions, 5 deletions
diff --git a/src/modules/systemlib/param/param.c b/src/modules/systemlib/param/param.c index 398657dd7..b12ba2919 100644 --- a/src/modules/systemlib/param/param.c +++ b/src/modules/systemlib/param/param.c @@ -1,6 +1,6 @@ /**************************************************************************** * - * Copyright (C) 2012 PX4 Development Team. All rights reserved. + * Copyright (c) 2012-2014 PX4 Development Team. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions @@ -512,6 +512,22 @@ param_save_default(void) int fd; const char *filename = param_get_default_file(); + + /* write parameters to temp file */ + fd = open(filename, O_WRONLY); + + if (fd < 0) { + warn("failed to open param file: %s", filename); + res = ERROR; + } + + if (res == OK) { + res = param_export(fd, false); + } + + close(fd); + +#if 0 const char *filename_tmp = malloc(strlen(filename) + 5); sprintf(filename_tmp, "%s.tmp", filename); @@ -563,6 +579,7 @@ param_save_default(void) } free(filename_tmp); +#endif return res; } @@ -573,9 +590,9 @@ param_save_default(void) int param_load_default(void) { - int fd = open(param_get_default_file(), O_RDONLY); + int fd_load = open(param_get_default_file(), O_RDONLY); - if (fd < 0) { + if (fd_load < 0) { /* no parameter file is OK, otherwise this is an error */ if (errno != ENOENT) { warn("open '%s' for reading failed", param_get_default_file()); @@ -584,8 +601,8 @@ param_load_default(void) return 1; } - int result = param_load(fd); - close(fd); + int result = param_load(fd_load); + close(fd_load); if (result != 0) { warn("error reading parameters from '%s'", param_get_default_file()); |