Bugfix: SVG pathdata command with insufficient arguments panicked

tdewolff · Nov 21, 2019 · 75ac1f1 · 75ac1f1
1 parent aa9bafa
commit 75ac1f1
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Showing 2 changed files with 2 additions and 1 deletion.
diff --git a/svg/pathdata.go b/svg/pathdata.go
@@ -82,7 +82,7 @@ func (p *PathData) ShortenPathData(b []byte) []byte {
 			continue
 		} else if pathCmds[c] && (cmd == 0 || cmd != c || c == 'M' || c == 'm') { // any command
 			if cmd != 0 {
-				j += p.copyInstruction(b[j:], cmd)
+				j += p.copyInstruction(b[j:i], cmd)
 			} else {
 				j = i
 			}

diff --git a/svg/pathdata_test.go b/svg/pathdata_test.go
@@ -69,6 +69,7 @@ func TestPathData(t *testing.T) {
 			"A.0.0.4.0.0.0.3.0.0.0.0.0.4.2.0.0.0.0.2.0.4.0.0.0.4.2.8.2.0.0.0.2.9.28.0.0.0.0.0.2.3.0.0.0.0.0.0.2.3.2.09e-03.0.0.0.0.8.0.0.0.0.0.0.0",
 		},
 		{"0z", "0z"},
+		{"0a0z", "0a0z"},
 	}
 
 	p := NewPathData(&Minifier{Decimals: -1})