|
Lines 200-227
Link Here
|
| 200 |
|
203 |
|
| 201 |
static char *get_name(char *name, char *p) |
204 |
static char *get_name(char *name, char *p) |
| 202 |
{ |
205 |
{ |
| 203 |
while (isspace(*p)) |
206 |
/* Extract <name>[:<alias>] from nul-terminated p where p matches |
| 204 |
p++; |
207 |
<name>[:<alias>]: after leading whitespace. |
| 205 |
while (*p) { |
208 |
If match is not made, set name empty and return unchanged p */ |
| 206 |
if (isspace(*p)) |
209 |
int namestart=0, nameend=0, aliasend; |
| 207 |
break; |
210 |
while (isspace(p[namestart])) |
| 208 |
if (*p == ':') { /* could be an alias */ |
211 |
namestart++; |
| 209 |
char *dot = p, *dotname = name; |
212 |
nameend=namestart; |
| 210 |
*name++ = *p++; |
213 |
while (p[nameend] && p[nameend]!=':' && !isspace(p[nameend])) |
| 211 |
while (isdigit(*p)) |
214 |
nameend++; |
| 212 |
*name++ = *p++; |
215 |
if (p[nameend]==':') { |
| 213 |
if (*p != ':') { /* it wasn't, backup */ |
216 |
aliasend=nameend+1; |
| 214 |
p = dot; |
217 |
while (p[aliasend] && isdigit(p[aliasend])) |
| 215 |
name = dotname; |
218 |
aliasend++; |
| 216 |
} |
219 |
if (p[aliasend]==':') { |
| 217 |
if (*p == '\0') |
220 |
nameend=aliasend; |
| 218 |
return NULL; |
221 |
} |
| 219 |
p++; |
222 |
if ((nameend-namestart)<IFNAMSIZ) { |
| 220 |
break; |
223 |
memcpy(name,&p[namestart],nameend-namestart); |
| 221 |
} |
224 |
name[nameend-namestart]='\0'; |
| 222 |
*name++ = *p++; |
225 |
p=&p[nameend+1]; |
|
|
226 |
} else { |
| 227 |
/* Interface name too large */ |
| 228 |
name[0]='\0'; |
| 229 |
} |
| 230 |
} else { |
| 231 |
/* first ':' not found - return empty */ |
| 232 |
name[0]='\0'; |
| 223 |
} |
233 |
} |
| 224 |
*name++ = '\0'; |
|
|
| 225 |
return p; |
234 |
return p; |
| 226 |
} |
235 |
} |
| 227 |
|
236 |
|
