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@@ -217,20 +217,17 @@ struct interface *if_lookup_by_index (unsigned int);
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struct interface *if_lookup_exact_address (struct in_addr);
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struct interface *if_lookup_address (struct in_addr);
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-/* Currently, the code assumes that the interface name arguments to these
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- functions have length <= INTERFACE_NAMSIZ, and they must be NUL-terminated
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- if they are shorter than INTERFACE_NAMSIZ. After code cleanup, the
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- implementation will be changed to require the arguments to these functions
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- to terminate with a NUL character (no length limitation). */
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-struct interface *if_lookup_by_name (const char *);
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-struct interface *if_get_by_name (const char *);
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-
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-/* For these 2 functions, the 2nd argument should be the precise length
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- of the interface name (not counting a trailing NUL which may or may
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- not be present). */
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-extern struct interface *if_lookup_by_name_len(const char *name,
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+/* These 2 functions are to be used when the ifname argument is terminated
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+ by a '\0' character: */
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+struct interface *if_lookup_by_name (const char *ifname);
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+struct interface *if_get_by_name (const char *ifname);
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+
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+/* For these 2 functions, the namelen argument should be the precise length
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+ of the ifname string (not counting any optional trailing '\0' character).
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+ In most cases, strnlen should be used to calculate the namelen value. */
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+extern struct interface *if_lookup_by_name_len(const char *ifname,
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size_t namelen);
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-extern struct interface *if_get_by_name_len(const char *name, size_t namelen);
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+extern struct interface *if_get_by_name_len(const char *ifname, size_t namelen);
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/* Delete the interface, but do not free the structure, and leave it in the
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