compat: Add simplified merge sort implementation from glibc

diff --git a/quote.h b/quote.h
index 2769f71c931aafde664c82ca10d805a5d3f6451a..4da110ec01331f346705199dde709436622967cb 100644 (file)
--- a/quote.h
+++ b/quote.h
@@ -29,13 +29,9 @@
  */
 
 extern void sq_quote_print(FILE *stream, const char *src);
-extern char *sq_quote_argv(const char** argv, int count);
 
-/*
- * Append a string to a string buffer, with or without shell quoting.
- * Return true if the buffer overflowed.
- */
-extern int add_to_string(char **ptrp, int *sizep, const char *str, int quote);
+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
@@ -45,6 +41,7 @@ extern char *sq_dequote(char *);
 
 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,