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More param command related improvements

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This commit is contained in:
Lorenz Meier
2014-01-12 18:52:10 +01:00
parent ab401da3e8
commit ea8ab2793a
3 changed files with 21 additions and 10 deletions
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src/systemcmds/param/param.c
+8 -6
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@@ -72,7 +72,12 @@ param_main(int argc, char *argv[])
if (argc >= 3) {
do_save(argv[2]);
} else {
do_save(param_get_default_file());
if (param_save_default()) {
warnx("Param export failed.");
exit(1);
} else {
exit(0);
}
}
}
@@ -133,11 +138,8 @@ param_main(int argc, char *argv[])
static void
do_save(const char* param_file_name)
{
/* delete the parameter file in case it exists */
unlink(param_file_name);
/* create the file */
int fd = open(param_file_name, O_WRONLY | O_CREAT | O_EXCL);
int fd = open(param_file_name, O_WRONLY | O_CREAT);
if (fd < 0)
err(1, "opening '%s' failed", param_file_name);
@@ -146,7 +148,7 @@ do_save(const char* param_file_name)
close(fd);
if (result < 0) {
unlink(param_file_name);
(void)unlink(param_file_name);
errx(1, "error exporting to '%s'", param_file_name);
}