void
ni_set_prop(ni_proplist * pl_p, ni_name prop, ni_name value,
boolean_t * modified)
{
ni_index where;
where = ni_proplist_match(*pl_p, prop, NULL);
if (where != NI_INDEX_NULL) {
if (value != NULL && where == ni_proplist_match(*pl_p, prop, value)) {
return; /* already set */
}
ni_proplist_delete(pl_p, where);
}
ni_proplist_insertprop(pl_p, prop, value, where);
if (modified)
*modified = TRUE;
return;
}
boolean_t
PLCache_read(PLCache_t * cache, const char * filename)
{
FILE * file = NULL;
int line_number = 0;
char line[1024];
ni_proplist pl;
enum {
nowhere_e,
start_e,
body_e,
end_e
} where = nowhere_e;
NI_INIT(&pl);
file = fopen(filename, "r");
if (file == NULL) {
perror(filename);
goto failed;
}
while (1) {
if (my_fgets(line, sizeof(line), file) != line) {
if (where == start_e || where == body_e) {
fprintf(stderr, "file ends prematurely\n");
}
break;
}
line_number++;
if (strcmp(line, "{\n") == 0) {
if (where != end_e && where != nowhere_e) {
fprintf(stderr, "unexpected '{' at line %d\n",
line_number);
goto failed;
}
where = start_e;
}
else if (strcmp(line, "}\n") == 0) {
if (where != start_e && where != body_e) {
fprintf(stderr, "unexpected '}' at line %d\n",
line_number);
goto failed;
}
if (pl.nipl_len > 0) {
PLCache_append(cache, PLCacheEntry_create(pl));
ni_proplist_free(&pl);
}
where = end_e;
}
else {
char propname[128];
char propval[768] = "";
int len = strlen(line);
char * sep = strchr(line, '=');
int whitespace_len = strspn(line, " \t\n");
if (whitespace_len == len) {
continue;
}
if (sep) {
int nlen = (sep - line) - whitespace_len;
int vlen = len - whitespace_len - nlen - 2;
if (nlen >= sizeof(propname)) {
fprintf(stderr,
"property name truncated to %d bytes at line %d\n",
(int)sizeof(propname) - 1,
line_number);
nlen = sizeof(propname) - 1;
}
if (vlen >= sizeof(propval)) {
fprintf(stderr,
"value truncated to %d bytes at line %d\n",
(int)sizeof(propval) - 1,
line_number);
vlen = sizeof(propval) - 1;
}
strncpy(propname, line + whitespace_len, nlen);
propname[nlen] = '\0';
strncpy(propval, sep + 1, vlen);
propval[vlen] = '\0';
ni_proplist_insertprop(&pl, propname, propval, NI_INDEX_NULL);
}
else {
int nlen = len - whitespace_len - 1;
if (nlen >= sizeof(propname)) {
fprintf(stderr,
"property name truncated to %d bytes at line %d\n",
(int)sizeof(propname) - 1,
line_number);
nlen = sizeof(propname) - 1;
}
strncpy(propname, line + whitespace_len, nlen);
propname[nlen] = '\0';
ni_proplist_insertprop(&pl, propname, NULL, NI_INDEX_NULL);
}
where = body_e;
}
}
failed:
if (file)
fclose(file);
ni_proplist_free(&pl);
return (TRUE);
}
