im_context_t
im_context_new(void) {
im_context_t ctx = malloc(sizeof(im_context_struct));
int i;
if (!slot_mutex)
slot_mutex = i_mutex_new();
if (!ctx)
return NULL;
ctx->error_sp = IM_ERROR_COUNT-1;
for (i = 0; i < IM_ERROR_COUNT; ++i) {
ctx->error_alloc[i] = 0;
ctx->error_stack[i].msg = NULL;
ctx->error_stack[i].code = 0;
}
#ifdef IMAGER_LOG
ctx->log_level = 0;
ctx->lg_file = NULL;
#endif
ctx->max_width = 0;
ctx->max_height = 0;
ctx->max_bytes = DEF_BYTES_LIMIT;
ctx->slot_alloc = slot_count;
ctx->slots = calloc(sizeof(void *), ctx->slot_alloc);
if (!ctx->slots) {
free(ctx);
return NULL;
}
ctx->file_magic = NULL;
ctx->refcount = 1;
#ifdef IMAGER_TRACE_CONTEXT
fprintf(stderr, "im_context: created %p\n", ctx);
#endif
return ctx;
}
im_slot_t
im_context_slot_new(im_slot_destroy_t destructor) {
im_slot_t new_slot;
im_slot_destroy_t *new_destructors;
if (!slot_mutex)
slot_mutex = i_mutex_new();
i_mutex_lock(slot_mutex);
new_slot = slot_count++;
new_destructors = realloc(slot_destructors, sizeof(void *) * slot_count);
if (!new_destructors)
i_fatal(1, "Cannot allocate memory for slot destructors");
slot_destructors = new_destructors;
slot_destructors[new_slot] = destructor;
i_mutex_unlock(slot_mutex);
return new_slot;
}
void
i_t1_start(void) {
mutex = i_mutex_new();
}