Fix compiler warning

from gcc-7 -Wformat-truncation (via -Wall)

diff --git a/src/bin/initdb/initdb.c b/src/bin/initdb/initdb.c
index 1d4a138618bbc73c2b83e9519c9e02c161fc36b1..27fcf5a87f742a44bc35a01c6ac7d66ef418af7b 100644 (file)
--- a/src/bin/initdb/initdb.c
+++ b/src/bin/initdb/initdb.c
@@ -1009,12 +1009,12 @@ static char *
 pretty_wal_size(int segment_count)
 {
    int         sz = wal_segment_size_mb * segment_count;
-   char       *result = pg_malloc(10);
+   char       *result = pg_malloc(11);
 
    if ((sz % 1024) == 0)
-       snprintf(result, 10, "%dGB", sz / 1024);
+       snprintf(result, 11, "%dGB", sz / 1024);
    else
-       snprintf(result, 10, "%dMB", sz);
+       snprintf(result, 11, "%dMB", sz);
 
    return result;
 }