Bernhard Fischer

- use 'z' length modifier when printing size_t
- add a cast to __rrd_read and document why it is there
- add RANDOM hint for the header

git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1096 a5681a0c-68f1-0310-ab6d-d61299d08faa

diff --git a/src/rrd_cgi.c b/src/rrd_cgi.c
index 23567c5..75dabf4 100644 (file)
--- a/src/rrd_cgi.c
+++ b/src/rrd_cgi.c
@@ -494,7 +494,7 @@ int main(
 
     if (!filter) {
         printf("Content-Type: text/html\n"
-               "Content-Length: %d\n", strlen(buffer));
+               "Content-Length: %zd\n", strlen(buffer));
 
         if (labs(goodfor) > 0) {
             time_t    now;

diff --git a/src/rrd_graph_helper.c b/src/rrd_graph_helper.c
index 0c1c7d8..2ea3a2d 100644 (file)
--- a/src/rrd_graph_helper.c
+++ b/src/rrd_graph_helper.c
@@ -1029,7 +1029,7 @@ void rrd_graph_script(
             break;
         }
         if (gdp->debug) {
-            dprintf("used %i out of %i chars\n", eaten, strlen(argv[i]));
+            dprintf("used %i out of %zi chars\n", eaten, strlen(argv[i]));
             dprintf("parsed line: '%s'\n", argv[i]);
             dprintf("remaining: '%s'\n", &argv[i][eaten]);
             if (eaten >= strlen(argv[i]))

diff --git a/src/rrd_open.c b/src/rrd_open.c
index 525fa29..746044e 100644 (file)
--- a/src/rrd_open.c
+++ b/src/rrd_open.c
@@ -76,8 +76,11 @@
 #define CHECK_MADVISE_OVERLAPS 1
 
 #ifdef HAVE_MMAP
+/* the cast to void* is there to avoid this warning seen on ia64 with certain
+   versions of gcc: 'cast increases required alignment of target type'
+*/
 #define __rrd_read(dst, dst_t, cnt) \
-       (dst) = (dst_t*) (data + offset); \
+       (dst) = (dst_t*)(void*) (data + offset); \
        offset += sizeof(dst_t) * (cnt)
 #else
 #define __rrd_read(dst, dst_t, cnt) \
@@ -246,24 +249,22 @@ rrd_file_t *rrd_open(
         _madvise(data, rrd_file->file_len, MADV_WILLNEED | MADV_SEQUENTIAL);
         goto out_done;
     }
+# ifndef ONE_PAGE
     /* We do not need to read anything in for the moment */
-#ifndef ONE_PAGE
     _madvise(data, rrd_file->file_len, MADV_DONTNEED);
-//    _madvise(data, rrd_file->file_len, MADV_RANDOM);
-#else
-/* alternatively: keep 2 pages worth of data, likely headers,
+# else
+/* alternatively: keep 1 page worth of data, likely headers,
  * don't need the rest.  */
     _madvise(data, _page_size, MADV_WILLNEED | MADV_SEQUENTIAL);
     _madvise(data + _page_size, (rrd_file->file_len >= _page_size)
              ? rrd_file->file_len - _page_size : 0, MADV_DONTNEED);
-#endif
+# endif
 #endif
 
 #if defined USE_MADVISE && !defined ONE_PAGE
     /* the stat_head will be needed soonish, so hint accordingly */
-// too finegrained to calc the individual sizes, just keep 2 pages worth of hdr
     _madvise(data + PAGE_ALIGN_DOWN(offset), PAGE_ALIGN(sizeof(stat_head_t)),
-             MADV_WILLNEED);
+             MADV_WILLNEED | MADV_RANDOM);
 
 #endif