static char *
nextfld(char **str, const char *sep)
{
char *ret;
_DIAGASSERT(str != NULL);
_DIAGASSERT(sep != NULL);
while ((ret = stresep(str, sep, '\\')) != NULL && *ret == '\0')
continue;
return ret;
}
/*
* Process a file to set standard arp entries
*/
static int
file(const char *name)
{
char *line, *argv[5];
int i, retval;
FILE *fp;
if (!strcmp(name, "-")) {
fp = stdin;
} else {
fp = fopen(name, "r");
if (fp == NULL) {
err(1, "Cannot open %s", name);
}
}
retval = 0;
for (; (line = fparseln(fp, NULL, NULL, NULL, 0)) != NULL; free(line)) {
char **ap, *inputstring;
inputstring = line;
for (ap = argv; ap < &argv[sizeof(argv) / sizeof(argv[0])] &&
(*ap = stresep(&inputstring, " \t", '\\')) != NULL;) {
if (**ap != '\0')
ap++;
}
i = ap - argv;
if (i < 2) {
warnx("bad line: %s", line);
retval = 1;
continue;
}
if (set(i, argv))
retval = 1;
}
if (fp != stdin)
(void)fclose(fp);
return retval;
}
