Tests for module 'unicase/u8-is-uppercase'.

[gnulib.git] / lib / quotearg.c

diff --git a/lib/quotearg.c b/lib/quotearg.c
index c2de86f..339bf34 100644 (file)
--- a/lib/quotearg.c
+++ b/lib/quotearg.c
@@ -37,23 +37,6 @@
 #define _(msgid) gettext (msgid)
 #define N_(msgid) msgid
 
-#if !HAVE_MBRTOWC
-/* Disable multibyte processing entirely.  Since MB_CUR_MAX is 1, the
-   other macros are defined only for documentation and to satisfy C
-   syntax.  */
-# undef MB_CUR_MAX
-# define MB_CUR_MAX 1
-# undef mbstate_t
-# define mbstate_t int
-# define mbrtowc(pwc, s, n, ps) ((*(pwc) = *(s)) != 0)
-# define iswprint(wc) isprint ((unsigned char) (wc))
-# undef HAVE_MBSINIT
-#endif
-
-#if !defined mbsinit && !HAVE_MBSINIT
-# define mbsinit(ps) 1
-#endif
-
 #ifndef SIZE_MAX
 # define SIZE_MAX ((size_t) -1)
 #endif
@@ -202,7 +185,7 @@ static size_t
 quotearg_buffer_restyled (char *buffer, size_t buffersize,
                          char const *arg, size_t argsize,
                          enum quoting_style quoting_style, int flags,
-                         unsigned int *quote_these_too)
+                         unsigned int const *quote_these_too)
 {
   size_t i;
   size_t len = 0;
@@ -337,7 +320,8 @@ quotearg_buffer_restyled (char *buffer, size_t buffersize,
              break;
 
            case c_quoting_style:
-             if (i + 2 < argsize && arg[i + 1] == '?')
+             if ((flags & QA_SPLIT_TRIGRAPHS)
+                 && i + 2 < argsize && arg[i + 1] == '?')
                switch (arg[i + 2])
                  {
                  case '!': case '\'':
@@ -372,7 +356,11 @@ quotearg_buffer_restyled (char *buffer, size_t buffersize,
        case '\r': esc = 'r'; goto c_and_shell_escape;
        case '\t': esc = 't'; goto c_and_shell_escape;
        case '\v': esc = 'v'; goto c_escape;
-       case '\\': esc = c; goto c_and_shell_escape;
+       case '\\': esc = c;
+         /* No need to escape the escape if we are trying to elide
+            outer quotes and nothing else is problematic.  */
+         if (backslash_escapes && elide_outer_quotes && quote_string_len)
+           goto store_c;
 
        c_and_shell_escape:
          if (quoting_style == shell_always_quoting_style