diff options
Diffstat (limited to 'networking/udhcp/files.c')
| -rw-r--r-- | networking/udhcp/files.c | 32 |
1 files changed, 20 insertions, 12 deletions
diff --git a/networking/udhcp/files.c b/networking/udhcp/files.c index 9ade4ae..775f829 100644 --- a/networking/udhcp/files.c +++ b/networking/udhcp/files.c @@ -101,19 +101,8 @@ static void attach_option(struct option_set **opt_list, { struct option_set *existing, *new, **curr; - /* add it to an existing option */ existing = find_option(*opt_list, option->code); - if (existing) { - DEBUG("Attaching option %s to existing member of list", option->name); - if (option->flags & OPTION_LIST) { - if (existing->data[OPT_LEN] + length <= 255) { - existing->data = realloc(existing->data, - existing->data[OPT_LEN] + length + 2); - memcpy(existing->data + existing->data[OPT_LEN] + 2, buffer, length); - existing->data[OPT_LEN] += length; - } /* else, ignore the data, we could put this in a second option in the future */ - } /* else, ignore the new data */ - } else { + if (!existing) { DEBUG("Attaching option %s to list", option->name); /* make a new option */ @@ -129,7 +118,26 @@ static void attach_option(struct option_set **opt_list, new->next = *curr; *curr = new; + return; } + + /* add it to an existing option */ + DEBUG("Attaching option %s to existing member of list", option->name); + if (option->flags & OPTION_LIST) { + if (existing->data[OPT_LEN] + length <= 255) { + existing->data = xrealloc(existing->data, + existing->data[OPT_LEN] + length + 3); + if ((option->flags & TYPE_MASK) == OPTION_STRING) { + if (existing->data[OPT_LEN] + length >= 255) + return; + /* add space separator between STRING options in a list */ + existing->data[existing->data[OPT_LEN] + 2] = ' '; + existing->data[OPT_LEN]++; + } + memcpy(existing->data + existing->data[OPT_LEN] + 2, buffer, length); + existing->data[OPT_LEN] += length; + } /* else, ignore the data, we could put this in a second option in the future */ + } /* else, ignore the new data */ } |