diff options
| -rw-r--r-- | lib/string_helpers.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/lib/string_helpers.c b/lib/string_helpers.c index c98ae818eb4e..0a307a97d489 100644 --- a/lib/string_helpers.c +++ b/lib/string_helpers.c @@ -410,7 +410,7 @@ static bool escape_hex(unsigned char c, char **dst, char *end) * @dst: destination buffer (escaped) * @osz: destination buffer size * @flags: combination of the flags (bitwise OR): - * %ESCAPE_SPACE: + * %ESCAPE_SPACE: (special white space, not space itself) * '\f' - form feed * '\n' - new line * '\r' - carriage return @@ -432,8 +432,10 @@ static bool escape_hex(unsigned char c, char **dst, char *end) * all previous together * %ESCAPE_HEX: * '\xHH' - byte with hexadecimal value HH (2 digits) - * @esc: NULL-terminated string of characters any of which, if found in - * the source, has to be escaped + * @esc: NULL-terminated string containing characters used to limit + * the selected escape class. If characters are included in @esc + * that would not normally be escaped by the classes selected + * in @flags, they will be copied to @dst unescaped. * * Description: * The process of escaping byte buffer includes several parts. They are applied @@ -441,7 +443,7 @@ static bool escape_hex(unsigned char c, char **dst, char *end) * 1. The character is matched to the printable class, if asked, and in * case of match it passes through to the output. * 2. The character is not matched to the one from @esc string and thus - * must go as is to the output. + * must go as-is to the output. * 3. The character is checked if it falls into the class given by @flags. * %ESCAPE_OCTAL and %ESCAPE_HEX are going last since they cover any * character. Note that they actually can't go together, otherwise |