Avoid overflow in nfsstats printing

[nfs-utils.git] / utils / nfsstat / nfsstat.c

diff --git a/utils/nfsstat/nfsstat.c b/utils/nfsstat/nfsstat.c
index 739dabac1683880df1df2d9eb379bedec6a0e73a..b26b3b8a04acacad40a1a6d89311e895d615abc1 100644 (file)
--- a/utils/nfsstat/nfsstat.c
+++ b/utils/nfsstat/nfsstat.c
@@ -307,7 +307,8 @@ static void
 print_callstats(const char *hdr, const char **names,
                                 unsigned int *info, unsigned int nr)
 {
-       unsigned int    total;
+       unsigned long long      total;
+       unsigned long long      pct;
        int             i, j;
 
        fputs(hdr, stdout);
@@ -319,9 +320,10 @@ print_callstats(const char *hdr, const char **names,
                for (j = 0; j < 6 && i + j < nr; j++)
                        printf("%-11s", names[i+j]);
                printf("\n");
-               for (j = 0; j < 6 && i + j < nr; j++)
-                       printf("%-6d %2d%% ",
-                               info[i+j], 100 * info[i+j] / total);
+               for (j = 0; j < 6 && i + j < nr; j++) {
+                       pct = ((unsigned long long) info[i+j]*100)/total;
+                       printf("%-6d %2llu%% ", info[i+j], pct);
+               }
                printf("\n");
        }
        printf("\n");