Fixed a bunch of "warn_unused_result" compiler warnings.

[rsync/rsync.git] / lib / pool_alloc.c

diff --git a/lib/pool_alloc.c b/lib/pool_alloc.c
index 4c76d35..5856d59 100644 (file)
--- a/lib/pool_alloc.c
+++ b/lib/pool_alloc.c
@@ -326,24 +326,30 @@ pool_boundary(alloc_pool_t p, size_t len)
 }
 
 #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);
@@ -355,13 +361,16 @@ pool_stats(alloc_pool_t p, int fd, int summarize)
        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;
 }