From: Chris Liddell <chris.liddell@artifex.com>
Date: Sat, 15 Dec 2018 09:08:32 +0000 (+0000)
Subject: Bug700317: Fix logic for an older change
X-Git-Url: http://git.ghostscript.com/?p=ghostpdl.git;a=commitdiff_plain;h=99f13091a3f309bdc95d275ea9fec10bb9f42d9a

Bug700317: Fix logic for an older change

Unlike almost every other function in gs, dict_find_string() returns 1 on
success 0 or <0 on failure. The logic for this case was wrong.
---

diff --git a/psi/interp.c b/psi/interp.c
index 68f977c..3ac5c70 100644
--- a/psi/interp.c
+++ b/psi/interp.c
@@ -707,7 +707,7 @@ again:
                  * i.e. it's an internal operator we have hidden
                  */
                 code = dict_find_string(systemdict, (const char *)bufptr, &tobj);
-                if (code < 0) {
+                if (code <= 0) {
                     buf[0] = buf[1] = buf[rlen + 2] = buf[rlen + 3] = '-';
                     rlen += 4;
                     bufptr = buf;