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Diffstat (limited to 'manual/string.texi')
| -rw-r--r-- | manual/string.texi | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/manual/string.texi b/manual/string.texi index f33303b356..dd3c68d294 100644 --- a/manual/string.texi +++ b/manual/string.texi @@ -1182,6 +1182,12 @@ moving pointer has to be done by the user. Successive calls to @var{delimiter}, returning the address of the next token and updating @var{string_ptr} to point to the beginning of the next token. +If the input string contains more than one character from +@var{delimiter} in a row @code{strsep} returns an empty string for each +pair of characters from @var{delimiter}. This means that a program +normally should test for @code{strsep} returning an empty string before +processing it. + This function was introduced in 4.3BSD and therefore is widely available. @end deftypefun @@ -1206,8 +1212,13 @@ token = strsep (&running, delimiters); /* token => "words" */ token = strsep (&running, delimiters); /* token => "separated" */ token = strsep (&running, delimiters); /* token => "by" */ token = strsep (&running, delimiters); /* token => "spaces" */ +token = strsep (&running, delimiters); /* token => "" */ +token = strsep (&running, delimiters); /* token => "" */ +token = strsep (&running, delimiters); /* token => "" */ token = strsep (&running, delimiters); /* token => "and" */ +token = strsep (&running, delimiters); /* token => "" */ token = strsep (&running, delimiters); /* token => "punctuation" */ +token = strsep (&running, delimiters); /* token => "" */ token = strsep (&running, delimiters); /* token => NULL */ @end smallexample |