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quote: implement "sq_dequote_many" to unwrap many args in one string

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The sq_dequote() function does not allow parsing a string with more than
one single-quoted parameter easily; use its code to implement a new API
sq_dequote_step() to allow the caller iterate through such a string to
parse them one-by-one.  The original sq_dequote() becomes a thin wrapper
around it.

Signed-off-by: Christian Couder <chriscool@tuxfamily.org>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Christian Couder
2009-03-29 11:44:44 +02:00
committed by Junio C Hamano
parent 89fbda2425
commit ebbc088e13
2 changed files with 24 additions and 2 deletions
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8
quote.h
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@@ -39,6 +39,14 @@ extern void sq_quote_argv(struct strbuf *, const char **argv, size_t maxlen);
*/
extern char *sq_dequote(char *);
/*
* Same as the above, but can be used to unwrap many arguments in the
* same string separated by space. "next" is changed to point to the
* next argument that should be passed as first parameter. When there
* is no more argument to be dequoted, "next" is updated to point to NULL.
*/
extern char *sq_dequote_step(char *arg, char **next);
extern int unquote_c_style(struct strbuf *, const char *quoted, const char **endp);
extern size_t quote_c_style(const char *name, struct strbuf *, FILE *, int no_dq);
extern void quote_two_c_style(struct strbuf *, const char *, const char *, int);