From 95052df3760523e1f3bb9705c918d85aae7fb431 Mon Sep 17 00:00:00 2001 From: Zbigniew Jędrzejewski-Szmek Date: Sun, 31 Jan 2016 16:21:00 -0500 Subject: resolve: parse CAA records --- src/basic/escape.c | 28 ++++++++++++++++++++++++++++ src/basic/escape.h | 1 + 2 files changed, 29 insertions(+) (limited to 'src/basic') diff --git a/src/basic/escape.c b/src/basic/escape.c index f276c36c56..d59aa9f42f 100644 --- a/src/basic/escape.c +++ b/src/basic/escape.c @@ -415,6 +415,34 @@ char *xescape(const char *s, const char *bad) { return r; } +char *octescape(const char *s, size_t len) { + char *r, *t; + const char *f; + + /* Escapes all chars in bad, in addition to \ and " chars, + * in \nnn style escaping. */ + + r = new(char, len * 4 + 1); + if (!r) + return NULL; + + for (f = s, t = r; f < s + len; f++) { + + if (*f < ' ' || *f >= 127 || *f == '\\' || *f == '"') { + *(t++) = '\\'; + *(t++) = '0' + (*f >> 6); + *(t++) = '0' + ((*f >> 3) & 8); + *(t++) = '0' + (*f & 8); + } else + *(t++) = *f; + } + + *t = 0; + + return r; + +} + static char *strcpy_backslash_escaped(char *t, const char *s, const char *bad) { assert(bad); diff --git a/src/basic/escape.h b/src/basic/escape.h index ac8f5f3910..bc25646a3d 100644 --- a/src/basic/escape.h +++ b/src/basic/escape.h @@ -50,6 +50,7 @@ int cunescape_length_with_prefix(const char *s, size_t length, const char *prefi int cunescape_one(const char *p, size_t length, char32_t *ret, bool *eight_bit); char *xescape(const char *s, const char *bad); +char *octescape(const char *s, size_t len); char *shell_escape(const char *s, const char *bad); char *shell_maybe_quote(const char *s); -- cgit v1.2.3-54-g00ecf