git-am: Don't accept an mbox on stdin of we already have a .dotest directory

diff --git a/quote.c b/quote.c
index dcc23266109ce30e3fd098f3c76799b67b75a332..e220dcc280d9ed6be2e2357e2660c7e828f3631b 100644 (file)
--- a/quote.c
+++ b/quote.c
@@ -13,7 +13,7 @@
  *  a!b      ==> a'\!'b    ==> 'a'\!'b'
  */
 #undef EMIT
-#define EMIT(x) ( (++len < n) && (*bp++ = (x)) )
+#define EMIT(x) do { if (++len < n) *bp++ = (x); } while(0)
 
 static inline int need_bs_quote(char c)
 {
@@ -45,6 +45,23 @@ size_t sq_quote_buf(char *dst, size_t n, const char *src)
        return len;
 }
 
+void sq_quote_print(FILE *stream, const char *src)
+{
+       char c;
+
+       fputc('\'', stream);
+       while ((c = *src++)) {
+               if (need_bs_quote(c)) {
+                       fputs("'\\", stream);
+                       fputc(c, stream);
+                       fputc('\'', stream);
+               } else {
+                       fputc(c, stream);
+               }
+       }
+       fputc('\'', stream);
+}
+
 char *sq_quote(const char *src)
 {
        char *buf;