[src/trunk]: src/external/cddl/osnet/dist/lib/libdtrace/common Fix dodgy argu...

[tron <tron%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/b71edd6f5093
branches:  trunk
changeset: 785078:b71edd6f5093
user:      tron <tron%NetBSD.org@localhost>
date:      Wed Feb 20 22:45:12 2013 +0000

description:
Fix dodgy arguments to snprintf(3) which cause a warning that breaks
the build (at least with "USE_SSP" set to "yes").

diffstat:

 external/cddl/osnet/dist/lib/libdtrace/common/dt_printf.c |  12 ++++++++----
 1 files changed, 8 insertions(+), 4 deletions(-)

diffs (23 lines):

diff -r 37e642428e2e -r b71edd6f5093 external/cddl/osnet/dist/lib/libdtrace/common/dt_printf.c
--- a/external/cddl/osnet/dist/lib/libdtrace/common/dt_printf.c Wed Feb 20 20:27:42 2013 +0000
+++ b/external/cddl/osnet/dist/lib/libdtrace/common/dt_printf.c Wed Feb 20 22:45:12 2013 +0000
@@ -1482,11 +1482,15 @@
                if (func == pfprint_stack && (pfd->pfd_flags & DT_PFCONV_LEFT))
                        width = 0;
 
-               if (width != 0)
-                       f += snprintf(f, sizeof (format), "%d", ABS(width));
+               if (width != 0) {
+                       f += snprintf(f, format + sizeof (format) - f,
+                           "%d", ABS(width));
+               }
 
-               if (prec > 0)
-                       f += snprintf(f, sizeof (format), ".%d", prec);
+               if (prec > 0) {
+                       f += snprintf(f, format + sizeof (format) - f,
+                           ".%d", prec);
+               }
 
                (void) strcpy(f, pfd->pfd_fmt);
                pfd->pfd_rec = rec;