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govis: support double quote escapes

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This is supported by both OpenBSD and FreBSD so it seems possible that
we will run into \" sequences at some point. The handling is basically
identical to \\ sequences.

Signed-off-by: Aleksa Sarai <cyphar@cyphar.com>
This commit is contained in:
Aleksa Sarai 2025-09-23 17:27:24 +10:00
parent 7e2695a1be
commit bd7b72e037
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GPG key ID: 2897FAD2B7E9446F
5 changed files with 27 additions and 19 deletions
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3
pkg/govis/vis.go
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@ -81,7 +81,8 @@ func vis(output *strings.Builder, ch byte, flag VisFlag) {
// We must *always* encode stuff characters not in ASCII.
case flag&VisGlob == VisGlob && isglob(ch):
// Glob characters are graphical but can be forced to be encoded.
case flag&VisNoSlash == 0 && ch == '\\':
case flag&VisNoSlash == 0 && ch == '\\',
flag&VisDoubleQuote == VisDoubleQuote && ch == '"':
// Prefix \ if applicable.
_ = output.WriteByte('\\')
fallthrough