diff options
Diffstat (limited to 'timer_group.c')
| -rw-r--r-- | timer_group.c | 47 |
1 files changed, 13 insertions, 34 deletions
diff --git a/timer_group.c b/timer_group.c index 3e04e56..fb4066f 100644 --- a/timer_group.c +++ b/timer_group.c @@ -191,30 +191,17 @@ int timer_add_group(const int interval) /* no inactive timer groups (or none at all) found, so we have to add a new timer group slot */ - if (group >= nTimerGroups) { - /* increment number of timer groups and (re-)allocate memory used - for storing the timer group slots */ - nTimerGroups++; - TimerGroups = realloc(TimerGroups, nTimerGroups * sizeof(*TimerGroups)); - - /* make sure "group" points to valid memory */ - group = nTimerGroups - 1; - - /* realloc() has failed */ - if (TimerGroups == NULL) { - /* restore old number of timer groups */ - nTimerGroups--; - + if (group == nTimerGroups) { + TIMER_GROUP *tmp; + + if ((tmp = realloc(TimerGroups, (nTimerGroups + 1) * sizeof(*TimerGroups))) == NULL) { /* signal unsuccessful timer group creation */ return -1; } + TimerGroups = tmp; + nTimerGroups++; - /* allocate memory for the underlying generic timer's callback - data (i.e. the group's triggering interval in milliseconds) */ - TimerGroups[group].interval = malloc(sizeof(int)); - - /* malloc() has failed */ - if (TimerGroups[group].interval == NULL) { + if ((TimerGroups[group].interval = malloc(sizeof(int))) == NULL) { /* signal unsuccessful timer group creation */ return -1; } @@ -434,23 +421,15 @@ int timer_add_widget(void (*callback) (void *data), void *data, const int interv /* no inactive widget slots (or none at all) found, so we have to add a new widget slot */ - if (widget >= nTimerGroupWidgets) { - /* increment number of widget slots and (re-)allocate memory used - for storing the widget slots */ - nTimerGroupWidgets++; - TimerGroupWidgets = realloc(TimerGroupWidgets, nTimerGroupWidgets * sizeof(*TimerGroupWidgets)); - - /* make sure "widget" points to valid memory */ - widget = nTimerGroupWidgets - 1; - - /* realloc() has failed */ - if (TimerGroupWidgets == NULL) { - /* restore old number of widget slots */ - nTimerGroupWidgets--; - + if (widget == nTimerGroupWidgets) { + TIMER_GROUP_WIDGET *tmp; + + if ((tmp = realloc(TimerGroupWidgets, (nTimerGroupWidgets + 1) * sizeof(*TimerGroupWidgets))) == NULL) { /* signal unsuccessful creation of widget slot */ return -1; } + TimerGroupWidgets = tmp; + nTimerGroupWidgets++; } /* initialize widget slot */ |