}
#define FDPRINT(label, value) \
- snprintf(buf, sizeof buf, label, value), \
- write(fd, buf, strlen(buf))
+ do { \
+ int len = snprintf(buf, sizeof buf, label, value); \
+ if (write(fd, buf, len) != len) \
+ ret = -1; \
+ } while (0)
#define FDEXTSTAT(ext) \
- snprintf(buf, sizeof buf, " %12ld %5ld\n", \
- (long) ext->free, \
- (long) ext->bound), \
- write(fd, buf, strlen(buf))
-
-void
+ do { \
+ int len = snprintf(buf, sizeof buf, " %12ld %5ld\n", \
+ (long)ext->free, (long)ext->bound); \
+ if (write(fd, buf, len) != len) \
+ ret = -1; \
+ } while (0)
+
+int
pool_stats(alloc_pool_t p, int fd, int summarize)
{
struct alloc_pool *pool = (struct alloc_pool *) p;
struct pool_extent *cur;
char buf[BUFSIZ];
+ int ret = 0;
if (!pool)
- return;
+ return ret;
FDPRINT(" Extent size: %12ld\n", (long) pool->size);
FDPRINT(" Alloc quantum: %12ld\n", (long) pool->quantum);
FDPRINT(" Bytes freed: %12.0f\n", (double) pool->b_freed);
if (summarize)
- return;
+ return ret;
if (!pool->extents)
- return;
+ return ret;
- write(fd, "\n", 1);
+ if (write(fd, "\n", 1) != 1)
+ ret = -1;
for (cur = pool->extents; cur; cur = cur->next)
FDEXTSTAT(cur);
+
+ return ret;
}