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#ifndef QUOTE_H
#define QUOTE_H
struct strbuf;
/* Help to copy the thing properly quoted for the shell safety.
* any single quote is replaced with '\'', any exclamation point
* is replaced with '\!', and the whole thing is enclosed in a
* single quote pair.
*
* For example, if you are passing the result to system() as an
* argument:
*
* sprintf(cmd, "foobar %s %s", sq_quote(arg0), sq_quote(arg1))
*
* would be appropriate. If the system() is going to call ssh to
* run the command on the other side:
*
* sprintf(cmd, "git-diff-tree %s %s", sq_quote(arg0), sq_quote(arg1));
* sprintf(rcmd, "ssh %s %s", sq_quote(host), sq_quote(cmd));
*
* Note that the above examples leak memory! Remember to free result from
* sq_quote() in a real application.
*
* sq_quote_buf() writes to an existing buffer of specified size; it
* will return the number of characters that would have been written
* excluding the final null regardless of the buffer size.
*/
extern void sq_quote_print(FILE *stream, const char *src);
extern void sq_quote_buf(struct strbuf *, const char *src);
extern void sq_quote_argv(struct strbuf *, const char **argv, size_t maxlen);
/* This unwraps what sq_quote() produces in place, but returns
* NULL if the input does not look like what sq_quote would have
* produced.
*/
extern char *sq_dequote(char *);
/*
* Same as the above, but can be used to unwrap many arguments in the
* same string separated by space. Like sq_quote, it works in place,
* modifying arg and appending pointers into it to argv.
*/
extern int sq_dequote_to_argv(char *arg, const char ***argv, int *nr, int *alloc);
/*
* Same as above, but store the unquoted strings in an argv_array. We will
* still modify arg in place, but unlike sq_dequote_to_argv, the argv_array
* will duplicate and take ownership of the strings.
*/
struct argv_array;
extern int sq_dequote_to_argv_array(char *arg, struct argv_array *);
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);
extern void write_name_quoted(const char *name, FILE *, int terminator);
extern void write_name_quotedpfx(const char *pfx, size_t pfxlen,
const char *name, FILE *, int terminator);
extern void write_name_quoted_relative(const char *name, size_t len,
const char *prefix, size_t prefix_len,
FILE *fp, int terminator);
/* quote path as relative to the given prefix */
extern char *quote_path_relative(const char *in, int len,
struct strbuf *out, const char *prefix);
/* quoting as a string literal for other languages */
extern void perl_quote_print(FILE *stream, const char *src);
extern void python_quote_print(FILE *stream, const char *src);
extern void tcl_quote_print(FILE *stream, const char *src);
#endif
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