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Diffstat (limited to 'Build/source/texk/dvipng/dvipng-src/pk.c')
-rw-r--r--Build/source/texk/dvipng/dvipng-src/pk.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/Build/source/texk/dvipng/dvipng-src/pk.c b/Build/source/texk/dvipng/dvipng-src/pk.c
index 29f5d6d5ede..4e0b0c0e1b1 100644
--- a/Build/source/texk/dvipng/dvipng-src/pk.c
+++ b/Build/source/texk/dvipng/dvipng-src/pk.c
@@ -358,20 +358,18 @@ void InitPK(struct font_entry * tfontp)
tcharptr->data = NULL;
tcharptr->tfmw = 0;
if ((*position & 7) == 7) {
- if (position < end - 9) Fatal("PK file %s ends prematurely",tfontp->name);
+ if (position >= end - 9) Fatal("PK file %s ends prematurely",tfontp->name);
packet_length = UNumRead(position+1,4);
c = UNumRead(position+5, 4);
position += 9;
} else if (*position & 4) {
- if (position < end - 4) Fatal("PK file %s ends prematurely",tfontp->name);
- packet_length = (*position & 3) * 65536l +
- UNumRead(position+1, 2);
+ if (position >= end - 4) Fatal("PK file %s ends prematurely",tfontp->name);
+ packet_length = (*position & 3) * 65536l + UNumRead(position+1, 2);
c = UNumRead(position+3, 1);
position += 4;
} else {
- if (position < end - 3) Fatal("PK file %s ends prematurely",tfontp->name);
- packet_length = (*position & 3) * 256 +
- UNumRead(position+1, 1);
+ if (position >= end - 3) Fatal("PK file %s ends prematurely",tfontp->name);
+ packet_length = (*position & 3) * 256 + UNumRead(position+1, 1);
c = UNumRead(position+2, 1);
position += 3;
}