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Diffstat (limited to 'Build/source/texk/dvipdfm-x/dvi.c')
-rw-r--r--Build/source/texk/dvipdfm-x/dvi.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/Build/source/texk/dvipdfm-x/dvi.c b/Build/source/texk/dvipdfm-x/dvi.c
index fedbc1dc837..d5db33825bf 100644
--- a/Build/source/texk/dvipdfm-x/dvi.c
+++ b/Build/source/texk/dvipdfm-x/dvi.c
@@ -2350,13 +2350,15 @@ scan_special (double *wd, double *ht, double *xo, double *yo, int *lm,
skip_white(&p, endptr);
if (!strcmp(kp, "ownerpw")) {
if ((obj = parse_pdf_string(&p, endptr))) {
- strncpy(owner_pw, pdf_string_value(obj), MAX_PWD_LEN);
+ if (pdf_string_value(obj))
+ strncpy(owner_pw, pdf_string_value(obj), MAX_PWD_LEN);
pdf_release_obj(obj);
} else
error = -1;
} else if (!strcmp(kp, "userpw")) {
if ((obj = parse_pdf_string(&p, endptr))) {
- strncpy(user_pw, pdf_string_value(obj), MAX_PWD_LEN);
+ if (pdf_string_value(obj))
+ strncpy(user_pw, pdf_string_value(obj), MAX_PWD_LEN);
pdf_release_obj(obj);
} else
error = -1;