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strbuf_split*(): document functions

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Document strbuf_split_buf(), strbuf_split_str(), strbuf_split_max(),
strbuf_split(), and strbuf_list_free() in the header file and in
api-strbuf.txt.  (These functions were previously completely
undocumented.)

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Jeff King <peff@peff.net>
This commit is contained in:
Michael Haggerty 2012-11-04 07:46:54 +01:00 committed by Jeff King
parent 17b73dc699
commit 06379a6509
2 changed files with 49 additions and 0 deletions
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16
Documentation/technical/api-strbuf.txt
View File

@ -279,6 +279,22 @@ same behaviour as well.
Strip whitespace from a buffer. The second parameter controls if
comments are considered contents to be removed or not.
`strbuf_split_buf`::
`strbuf_split_str`::
`strbuf_split_max`::
`strbuf_split`::
Split a string or strbuf into a list of strbufs at a specified
terminator character. The returned substrings include the
terminator characters. Some of these functions take a `max`
parameter, which, if positive, limits the output to that
number of substrings.
`strbuf_list_free`::
Free a list of strbufs (for example, the return values of the
`strbuf_split()` functions).
`launch_editor`::
Launch the user preferred editor to edit a file and fill the buffer

33
strbuf.h
View File

@ -44,23 +44,56 @@ extern void strbuf_rtrim(struct strbuf *);
extern void strbuf_ltrim(struct strbuf *);
extern int strbuf_cmp(const struct strbuf *, const struct strbuf *);
/*
* Split str (of length slen) at the specified terminator character.
* Return a null-terminated array of pointers to strbuf objects
* holding the substrings. The substrings include the terminator,
* except for the last substring, which might be unterminated if the
* original string did not end with a terminator. If max is positive,
* then split the string into at most max substrings (with the last
* substring containing everything following the (max-1)th terminator
* character).
*
* For lighter-weight alternatives, see string_list_split() and
* string_list_split_in_place().
*/
extern struct strbuf **strbuf_split_buf(const char *, size_t,
int terminator, int max);
/*
* Split a NUL-terminated string at the specified terminator
* character. See strbuf_split_buf() for more information.
*/
static inline struct strbuf **strbuf_split_str(const char *str,
int terminator, int max)
{
return strbuf_split_buf(str, strlen(str), terminator, max);
}
/*
* Split a strbuf at the specified terminator character. See
* strbuf_split_buf() for more information.
*/
static inline struct strbuf **strbuf_split_max(const struct strbuf *sb,
int terminator, int max)
{
return strbuf_split_buf(sb->buf, sb->len, terminator, max);
}
/*
* Split a strbuf at the specified terminator character. See
* strbuf_split_buf() for more information.
*/
static inline struct strbuf **strbuf_split(const struct strbuf *sb,
int terminator)
{
return strbuf_split_max(sb, terminator, 0);
}
/*
* Free a NULL-terminated list of strbufs (for example, the return
* values of the strbuf_split*() functions).
*/
extern void strbuf_list_free(struct strbuf **);
/*----- add data in your buffer -----*/