wget: add TODO

[oweals/busybox.git] / networking / ifupdown.c

diff --git a/networking/ifupdown.c b/networking/ifupdown.c
index 45407f9f4d03d259b6cfa2bfdb5ac78cd1f73d74..f72e653b310b49ac581c4739d69c491cfab05167 100644 (file)
--- a/networking/ifupdown.c
+++ b/networking/ifupdown.c
@@ -572,10 +572,7 @@ static char *next_word(char **buf)
        }
 
        /* Skip over leading whitespace */
-       word = *buf;
-       while (isspace(*word)) {
-               ++word;
-       }
+       word = skip_whitespace(*buf);
 
        /* Skip over comments */
        if (*word == '#') {
@@ -601,6 +598,9 @@ static const struct address_family_t *get_address_family(const struct address_fa
 {
        int i;
 
+       if (!name)
+               return NULL;
+
        for (i = 0; af[i]; i++) {
                if (strcmp(af[i]->name, name) == 0) {
                        return af[i];
@@ -613,6 +613,9 @@ static const struct method_t *get_method(const struct address_family_t *af, char
 {
        int i;
 
+       if (!name)
+               return NULL;
+
        for (i = 0; i < af->n_methods; i++) {
                if (strcmp(af->method[i].name, name) == 0) {
                        return &af->method[i];
@@ -623,6 +626,9 @@ static const struct method_t *get_method(const struct address_family_t *af, char
 
 static const llist_t *find_list_string(const llist_t *list, const char *string)
 {
+       if (string == NULL)
+               return NULL;
+
        while (list) {
                if (strcmp(list->data, string) == 0) {
                        return list;
@@ -712,9 +718,7 @@ static struct interfaces_file_t *read_interfaces(const char *filename)
                        }
 
                        /* ship any trailing whitespace */
-                       while (isspace(*buf_ptr)) {
-                               ++buf_ptr;
-                       }
+                       buf_ptr = skip_whitespace(buf_ptr);
 
                        if (buf_ptr[0] != '\0') {
                                bb_error_msg("too many parameters \"%s\"", buf);