refactor argv_array into generic code
[git/git.git] / quote.h
CommitLineData
6fb737be
JH
1#ifndef QUOTE_H
2#define QUOTE_H
3
cf548cac 4struct strbuf;
6fb737be
JH
5
6/* Help to copy the thing properly quoted for the shell safety.
77d604c3
PA
7 * any single quote is replaced with '\'', any exclamation point
8 * is replaced with '\!', and the whole thing is enclosed in a
9 * single quote pair.
6fb737be
JH
10 *
11 * For example, if you are passing the result to system() as an
12 * argument:
13 *
14 * sprintf(cmd, "foobar %s %s", sq_quote(arg0), sq_quote(arg1))
15 *
16 * would be appropriate. If the system() is going to call ssh to
17 * run the command on the other side:
18 *
19 * sprintf(cmd, "git-diff-tree %s %s", sq_quote(arg0), sq_quote(arg1));
20 * sprintf(rcmd, "ssh %s %s", sq_quote(host), sq_quote(cmd));
21 *
22 * Note that the above examples leak memory! Remember to free result from
23 * sq_quote() in a real application.
77d604c3
PA
24 *
25 * sq_quote_buf() writes to an existing buffer of specified size; it
26 * will return the number of characters that would have been written
27 * excluding the final null regardless of the buffer size.
6fb737be
JH
28 */
29
575ba9d6 30extern void sq_quote_print(FILE *stream, const char *src);
4f6fbcdc 31
7a33bcbe 32extern void sq_quote_buf(struct strbuf *, const char *src);
b319ce4c 33extern void sq_quote_argv(struct strbuf *, const char **argv, size_t maxlen);
86257aa3 34
35eb2d36
LT
35/* This unwraps what sq_quote() produces in place, but returns
36 * NULL if the input does not look like what sq_quote would have
37 * produced.
38 */
39extern char *sq_dequote(char *);
40
ebbc088e
CC
41/*
42 * Same as the above, but can be used to unwrap many arguments in the
7878b07c
JK
43 * same string separated by space. Like sq_quote, it works in place,
44 * modifying arg and appending pointers into it to argv.
ebbc088e 45 */
eaa759b9 46extern int sq_dequote_to_argv(char *arg, const char ***argv, int *nr, int *alloc);
ebbc088e 47
7fb1011e 48extern int unquote_c_style(struct strbuf *, const char *quoted, const char **endp);
663af342 49extern size_t quote_c_style(const char *name, struct strbuf *, FILE *, int no_dq);
d5625091 50extern void quote_two_c_style(struct strbuf *, const char *, const char *, int);
4f6fbcdc 51
663af342
PH
52extern void write_name_quoted(const char *name, FILE *, int terminator);
53extern void write_name_quotedpfx(const char *pfx, size_t pfxlen,
54 const char *name, FILE *, int terminator);
b167cffb
CB
55extern void write_name_quoted_relative(const char *name, size_t len,
56 const char *prefix, size_t prefix_len,
57 FILE *fp, int terminator);
6fb737be 58
a734d0b1 59/* quote path as relative to the given prefix */
b167cffb 60extern char *quote_path_relative(const char *in, int len,
a734d0b1
DP
61 struct strbuf *out, const char *prefix);
62
9f613ddd
JH
63/* quoting as a string literal for other languages */
64extern void perl_quote_print(FILE *stream, const char *src);
65extern void python_quote_print(FILE *stream, const char *src);
5558e55c 66extern void tcl_quote_print(FILE *stream, const char *src);
9f613ddd 67
6fb737be 68#endif