From: Richard Kenner <kenner@gcc.gnu.org>
Date: Sat, 26 Dec 1992 23:11:58 +0000 (-0500)
Subject: (check_format): Using both a precision and the `0' flag is only a problem on `d'...
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8d162cabbb5b9ad58baef5c8376857463ebcafb7;p=gcc.git

(check_format): Using both a precision and the `0' flag is only a problem on `d'...

(check_format): Using both a precision and the `0' flag is only a
problem on `d', `i', `o', `u', `x', and `X' conversions.

From-SVN: r2915
---

diff --git a/gcc/c-typeck.c b/gcc/c-typeck.c
index dfde12e5513..46e6dac0944 100644
--- a/gcc/c-typeck.c
+++ b/gcc/c-typeck.c
@@ -1556,11 +1556,6 @@ check_format (info, params)
 	  if (*format_chars == '.')
 	    {
 	      precise = TRUE;
-	      /* "For d, i, o, u, x, and X conversions,
-		 if a precision is specified, the 0 flag will be ignored.
-		 For other conversions, the behavior is undefined."  */
-	      if (index (flag_chars, '0') != 0)
-		warning ("precision and `0' flag both used in one %%-sequence");
 	      ++format_chars;
 	      if (*format_chars != '*' && !ISDIGIT (*format_chars))
 		warning ("`.' not followed by `*' or digit in format");
@@ -1667,6 +1662,16 @@ check_format (info, params)
 	      warning (message);
 	    }
 	}
+      if (precise && index (flag_chars, '0') != 0
+	  && (format_char == 'd' || format_char == 'i'
+	      || format_char == 'o' || format_char == 'u'
+	      || format_char == 'x' || format_char == 'x'))
+	{
+	  sprintf (message,
+		   "precision and `0' flag not both allowed with `%c' format",
+		   format_char);
+	  warning (message);
+	}
       switch (length_char)
 	{
 	default: wanted_type = fci->nolen ? *(fci->nolen) : 0; break;