diff options
Diffstat (limited to 'src/cmd/vendor/github.com/google/pprof/internal/graph/dotgraph.go')
| -rw-r--r-- | src/cmd/vendor/github.com/google/pprof/internal/graph/dotgraph.go | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/src/cmd/vendor/github.com/google/pprof/internal/graph/dotgraph.go b/src/cmd/vendor/github.com/google/pprof/internal/graph/dotgraph.go index 09debfb007..cde648f20b 100644 --- a/src/cmd/vendor/github.com/google/pprof/internal/graph/dotgraph.go +++ b/src/cmd/vendor/github.com/google/pprof/internal/graph/dotgraph.go @@ -127,7 +127,7 @@ func (b *builder) addLegend() { } title := labels[0] fmt.Fprintf(b, `subgraph cluster_L { "%s" [shape=box fontsize=16`, title) - fmt.Fprintf(b, ` label="%s\l"`, strings.Join(labels, `\l`)) + fmt.Fprintf(b, ` label="%s\l"`, strings.Join(escapeForDot(labels), `\l`)) if b.config.LegendURL != "" { fmt.Fprintf(b, ` URL="%s" target="_blank"`, b.config.LegendURL) } @@ -472,3 +472,14 @@ func min64(a, b int64) int64 { } return b } + +// escapeForDot escapes double quotes and backslashes, and replaces Graphviz's +// "center" character (\n) with a left-justified character. +// See https://graphviz.org/doc/info/attrs.html#k:escString for more info. +func escapeForDot(in []string) []string { + var out = make([]string, len(in)) + for i := range in { + out[i] = strings.ReplaceAll(strings.ReplaceAll(strings.ReplaceAll(in[i], `\`, `\\`), `"`, `\"`), "\n", `\l`) + } + return out +} |