41 lines
817 B
C
41 lines
817 B
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#include <errno.h>
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#include <linux/if_arp.h>
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#include <string.h>
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#include "arphrd-list.h"
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#include "macro.h"
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static const struct arphrd_name* lookup_arphrd(register const char *str, register GPERF_LEN_TYPE len);
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#include "arphrd-from-name.h"
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#include "arphrd-to-name.h"
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const char *arphrd_to_name(int id) {
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if (id <= 0)
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return NULL;
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if ((size_t) id >= ELEMENTSOF(arphrd_names))
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return NULL;
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return arphrd_names[id];
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}
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int arphrd_from_name(const char *name) {
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const struct arphrd_name *sc;
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assert(name);
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sc = lookup_arphrd(name, strlen(name));
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if (!sc)
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return -EINVAL;
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return sc->id;
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}
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int arphrd_max(void) {
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return ELEMENTSOF(arphrd_names);
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}
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