| #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_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, const char *prefix, |
| FILE *fp, int terminator); |
| |
| /* quote path as relative to the given prefix */ |
| extern char *quote_path_relative(const char *in, const char *prefix, |
| struct strbuf *out); |
| |
| /* quoting as a string literal for other languages */ |
| extern void perl_quote_buf(struct strbuf *sb, const char *src); |
| extern void python_quote_buf(struct strbuf *sb, const char *src); |
| extern void tcl_quote_buf(struct strbuf *sb, const char *src); |
| |
| #endif |