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authorGravatar Nikias Bassen2009-08-20 01:19:09 +0200
committerGravatar Hector Martin2009-08-21 03:08:18 +0200
commitc46062aca98f2f077b3bab5c5f72ff2cb57b9dc2 (patch)
tree0934caaa277436a42c515c9ccc86acb004620c7a /common/utils.c
parent886d4014509d64023ecf99b57d0fd39818e85bd4 (diff)
downloadusbmuxd-c46062aca98f2f077b3bab5c5f72ff2cb57b9dc2.tar.gz
usbmuxd-c46062aca98f2f077b3bab5c5f72ff2cb57b9dc2.tar.bz2
Updated usbmuxd protocol definition and public header.
[Hector] Merged by putting utils.c into a common dir, avoiding log.c dependency for libusbmuxd, adding CMake magic to tie things up.
Diffstat (limited to 'common/utils.c')
-rw-r--r--common/utils.c117
1 files changed, 117 insertions, 0 deletions
diff --git a/common/utils.c b/common/utils.c
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+++ b/common/utils.c
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+/*
+ usbmuxd - iPhone/iPod Touch USB multiplex server daemon
+
+Copyright (C) 2009 Hector Martin "marcan" <hector@marcansoft.com>
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 or version 3.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+#include <stdio.h>
+#include "utils.h"
+
+#ifdef USBMUXD_DAEMON
+# include "log.h"
+# define util_error(...) usbmuxd_log(LL_ERROR, __VA_ARGS__)
+#else
+# define util_error(...) fprintf(stderr, __VA_ARGS__)
+#endif
+
+void fdlist_create(struct fdlist *list)
+{
+ list->count = 0;
+ list->capacity = 4;
+ list->owners = malloc(sizeof(*list->owners) * list->capacity);
+ list->fds = malloc(sizeof(*list->fds) * list->capacity);
+}
+void fdlist_add(struct fdlist *list, enum fdowner owner, int fd, short events)
+{
+ if(list->count == list->capacity) {
+ list->capacity *= 2;
+ list->owners = realloc(list->owners, sizeof(*list->owners) * list->capacity);
+ list->fds = realloc(list->fds, sizeof(*list->fds) * list->capacity);
+ }
+ list->owners[list->count] = owner;
+ list->fds[list->count].fd = fd;
+ list->fds[list->count].events = events;
+ list->fds[list->count].revents = 0;
+ list->count++;
+}
+
+void fdlist_free(struct fdlist *list)
+{
+ list->count = 0;
+ list->capacity = 0;
+ free(list->owners);
+ list->owners = NULL;
+ free(list->fds);
+ list->fds = NULL;
+}
+
+void collection_init(struct collection *col)
+{
+ col->list = malloc(sizeof(void *));
+ memset(col->list, 0, sizeof(void *));
+ col->capacity = 1;
+}
+
+void collection_free(struct collection *col)
+{
+ free(col->list);
+ col->list = NULL;
+ col->capacity = 0;
+}
+
+void collection_add(struct collection *col, void *element)
+{
+ int i;
+ for(i=0; i<col->capacity; i++) {
+ if(!col->list[i]) {
+ col->list[i] = element;
+ return;
+ }
+ }
+ col->list = realloc(col->list, sizeof(void*) * col->capacity * 2);
+ memset(&col->list[col->capacity], 0, sizeof(void *) * col->capacity);
+ col->list[col->capacity] = element;
+ col->capacity *= 2;
+}
+
+void collection_remove(struct collection *col, void *element)
+{
+ int i;
+ for(i=0; i<col->capacity; i++) {
+ if(col->list[i] == element) {
+ col->list[i] = NULL;
+ return;
+ }
+ }
+ util_error("collection_remove: element %p not present in collection %p (cap %d)", element, col, col->capacity);
+}
+
+int collection_count(struct collection *col)
+{
+ int i, cnt = 0;
+ for(i=0; i<col->capacity; i++) {
+ if(col->list[i])
+ cnt++;
+ }
+ return cnt;
+}