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Lines 125-131
link_ntoa(const struct sockaddr_dl *sdl)
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| 125 |
static char obuf[64]; |
125 |
static char obuf[64]; |
| 126 |
_Static_assert(sizeof(obuf) >= IFNAMSIZ + 20, "obuf is too small"); |
126 |
_Static_assert(sizeof(obuf) >= IFNAMSIZ + 20, "obuf is too small"); |
| 127 |
char *out; |
127 |
char *out; |
| 128 |
const char *in, *inlim; |
128 |
const u_char *in, *inlim; |
| 129 |
int namelen, i, rem; |
129 |
int namelen, i, rem; |
| 130 |
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130 |
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| 131 |
namelen = (sdl->sdl_nlen <= IFNAMSIZ) ? sdl->sdl_nlen : IFNAMSIZ; |
131 |
namelen = (sdl->sdl_nlen <= IFNAMSIZ) ? sdl->sdl_nlen : IFNAMSIZ; |
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Lines 142-152
link_ntoa(const struct sockaddr_dl *sdl)
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| 142 |
} |
142 |
} |
| 143 |
} |
143 |
} |
| 144 |
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144 |
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| 145 |
in = (const char *)sdl->sdl_data + sdl->sdl_nlen; |
145 |
in = (const u_char *)sdl->sdl_data + sdl->sdl_nlen; |
| 146 |
inlim = in + sdl->sdl_alen; |
146 |
inlim = in + sdl->sdl_alen; |
| 147 |
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147 |
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| 148 |
while (in < inlim && rem > 1) { |
148 |
while (in < inlim && rem > 1) { |
| 149 |
if (in != (const char *)sdl->sdl_data + sdl->sdl_nlen) { |
149 |
if (in != (const u_char *)sdl->sdl_data + sdl->sdl_nlen) { |
| 150 |
*out++ = '.'; |
150 |
*out++ = '.'; |
| 151 |
rem--; |
151 |
rem--; |
| 152 |
} |
152 |
} |
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Lines 154-168
link_ntoa(const struct sockaddr_dl *sdl)
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| 154 |
if (i > 0xf) { |
154 |
if (i > 0xf) { |
| 155 |
if (rem < 3) |
155 |
if (rem < 3) |
| 156 |
break; |
156 |
break; |
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157 |
*out++ = hexlist[i >> 4]; |
| 157 |
*out++ = hexlist[i & 0xf]; |
158 |
*out++ = hexlist[i & 0xf]; |
| 158 |
i >>= 4; |
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| 159 |
*out++ = hexlist[i]; |
| 160 |
rem -= 2; |
159 |
rem -= 2; |
| 161 |
} else { |
160 |
} else { |
| 162 |
if (rem < 2) |
161 |
if (rem < 2) |
| 163 |
break; |
162 |
break; |
| 164 |
*out++ = hexlist[i]; |
163 |
*out++ = hexlist[i]; |
| 165 |
rem++; |
164 |
rem--; |
| 166 |
} |
165 |
} |
| 167 |
} |
166 |
} |
| 168 |
*out = 0; |
167 |
*out = 0; |