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core: add ASSERT_VALID_PATH_COMPONENT function

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Signed-off-by: Thomas Haller <thaller@redhat.com>
This commit is contained in:
Thomas Haller
2014-03-12 12:06:20 +01:00
parent 0a9cfb48ff
commit ec7fc72e67
2 changed files with 33 additions and 0 deletions
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32
src/NetworkManagerUtils.c
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@@ -1052,3 +1052,35 @@ nm_utils_ip6_property_path (const char *ifname, const char *property)
return path;
}
const char *
ASSERT_VALID_PATH_COMPONENT (const char *name)
{
const char *n;
if (name == NULL || name[0] == '\0')
goto fail;
if (name[0] == '.') {
if (name[1] == '\0')
goto fail;
if (name[1] == '.' && name[2] == '\0')
goto fail;
}
n = name;
do {
if (*n == '/')
goto fail;
} while (*(++n) != '\0');
return name;
fail:
if (name)
nm_log_err (LOGD_CORE, "Failed asserting path component: NULL");
else
nm_log_err (LOGD_CORE, "Failed asserting path component: \"%s\"", name);
g_assert_not_reached ();
g_return_val_if_reached ("XXXXX");
return "XXXXX";
}