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Always use size_t for MTU

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Signed-off-by: Adrien Gallouët <adrien@gallouet.fr>
This commit is contained in:
Adrien Gallouët
2019-04-02 14:28:43 +00:00
parent f4611efbb2
commit 4ec2079e22
2 changed files with 8 additions and 3 deletions
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9
src/iface.c
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@@ -6,10 +6,15 @@
#include <sys/ioctl.h> #include <sys/ioctl.h>
int int
iface_set_mtu(const char *dev_name, int mtu) iface_set_mtu(const char *dev_name, size_t mtu)
{ {
if (mtu > (size_t)0xFFFF) {
errno = EINVAL;
return -1;
}
struct ifreq ifr = { struct ifreq ifr = {
.ifr_mtu = mtu, .ifr_mtu = (int)mtu,
}; };
const size_t len = sizeof(ifr.ifr_name) - 1; const size_t len = sizeof(ifr.ifr_name) - 1;

2
src/iface.h
View File

@@ -1,3 +1,3 @@
#pragma once #pragma once
int iface_set_mtu (const char *, int); int iface_set_mtu (const char *, size_t);