X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=quote.h;h=c1ab3788e6d69318638142ebeffc690318a0489a;hb=fb6a9f93d39e4e5fdb83673a927f71a34e9fb7c0;hp=c8cfb3a12482b0a2398d7d9e164c37e5473b44b8;hpb=379955c696a417f0fb6118f2fd91dbffd2816ad1;p=git.git diff --git a/quote.h b/quote.h index c8cfb3a1..c1ab3788 100644 --- a/quote.h +++ b/quote.h @@ -1,10 +1,13 @@ #ifndef QUOTE_H #define QUOTE_H +#include +#include /* Help to copy the thing properly quoted for the shell safety. - * any single quote is replaced with '\'', and the whole thing - * is enclosed in a single quote pair. + * 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: @@ -19,8 +22,26 @@ * * 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. */ -char *sq_quote(const char *src); +extern char *sq_quote(const char *src); +extern size_t sq_quote_buf(char *dst, size_t n, const char *src); + +/* 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 *); + +extern int quote_c_style(const char *name, char *outbuf, FILE *outfp, + int nodq); +extern char *unquote_c_style(const char *quoted, const char **endp); + +extern void write_name_quoted(const char *prefix, int prefix_len, + const char *name, int quote, FILE *out); #endif