Module Name:    src
Committed By:   christos
Date:           Wed Oct 14 16:05:15 UTC 2015

Modified Files:
        src/external/gpl3/gcc.old/dist/gcc/c-family: c-format.c c-format.h
        src/external/gpl3/gcc.old/dist/gcc/config: netbsd.h
        src/external/gpl3/gcc/dist/gcc/c-family: c-format.c c-format.h
        src/external/gpl3/gcc/dist/gcc/config: netbsd.h

Log Message:
Introduce a syslog format that accepts %m. Stop accepting %m in printf
like formats. Support for this is detected via the __syslog_attribute__
macro.


To generate a diff of this commit:
cvs rdiff -u -r1.1.1.1 -r1.2 \
    src/external/gpl3/gcc.old/dist/gcc/c-family/c-format.c \
    src/external/gpl3/gcc.old/dist/gcc/c-family/c-format.h
cvs rdiff -u -r1.3 -r1.4 src/external/gpl3/gcc.old/dist/gcc/config/netbsd.h
cvs rdiff -u -r1.1.1.1 -r1.2 \
    src/external/gpl3/gcc/dist/gcc/c-family/c-format.c \
    src/external/gpl3/gcc/dist/gcc/c-family/c-format.h
cvs rdiff -u -r1.14 -r1.15 src/external/gpl3/gcc/dist/gcc/config/netbsd.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/external/gpl3/gcc.old/dist/gcc/c-family/c-format.c
diff -u src/external/gpl3/gcc.old/dist/gcc/c-family/c-format.c:1.1.1.1 src/external/gpl3/gcc.old/dist/gcc/c-family/c-format.c:1.2
--- src/external/gpl3/gcc.old/dist/gcc/c-family/c-format.c:1.1.1.1	Tue Sep 22 23:03:26 2015
+++ src/external/gpl3/gcc.old/dist/gcc/c-family/c-format.c	Wed Oct 14 12:05:14 2015
@@ -860,14 +860,20 @@ static const format_kind_info format_typ
   },
   { "gnu_strftime", NULL,                 time_char_table,  "_-0^#", "EO",
     strftime_flag_specs, strftime_flag_pairs,
-    FMT_FLAG_FANCY_PERCENT_OK, 'w', 0, 0, 0, 0, 0,
+    FMT_FLAG_FANCY_PERCENT_OK|FMT_FLAG_M_OK, 'w', 0, 0, 0, 0, 0,
     NULL, NULL
   },
   { "gnu_strfmon",  strfmon_length_specs, monetary_char_table, "=^+(!-", NULL,
     strfmon_flag_specs, strfmon_flag_pairs,
     FMT_FLAG_ARG_CONVERT, 'w', '#', 'p', 0, 'L', 0,
     NULL, NULL
-  }
+  },
+  { "gnu_syslog",   printf_length_specs,  print_char_table, " +#0-'I", NULL,
+    printf_flag_specs, printf_flag_pairs,
+    FMT_FLAG_ARG_CONVERT|FMT_FLAG_DOLLAR_MULTIPLE|FMT_FLAG_USE_DOLLAR|FMT_FLAG_EMPTY_PREC_OK|FMT_FLAG_M_OK,
+    'w', 0, 'p', 0, 'L', 0,
+    &integer_type_node, &integer_type_node
+  },
 };
 
 /* This layer of indirection allows GCC to reassign format_types with
@@ -1983,6 +1989,14 @@ check_format_info_main (format_check_res
 	  warning (OPT_Wformat_, "conversion lacks type at end of format");
 	  continue;
 	}
+
+      if (format_char == 'm' && !(fki->flags & FMT_FLAG_M_OK))
+        {
+	  warning (OPT_Wformat_,
+	      "%%m is only allowed in syslog(3) like functions");
+	  continue;
+	}
+	
       format_chars++;
       fci = fki->conversion_specs;
       while (fci->format_chars != 0
@@ -2854,6 +2868,7 @@ extern const target_ovr_attr TARGET_OVER
 static const target_ovr_attr gnu_target_overrides_format_attributes[] =
 {
   { "gnu_printf",   "printf" },
+  { "gnu_syslog",   "syslog" },
   { "gnu_scanf",    "scanf" },
   { "gnu_strftime", "strftime" },
   { "gnu_strfmon",  "strfmon" },
Index: src/external/gpl3/gcc.old/dist/gcc/c-family/c-format.h
diff -u src/external/gpl3/gcc.old/dist/gcc/c-family/c-format.h:1.1.1.1 src/external/gpl3/gcc.old/dist/gcc/c-family/c-format.h:1.2
--- src/external/gpl3/gcc.old/dist/gcc/c-family/c-format.h:1.1.1.1	Tue Sep 22 23:03:26 2015
+++ src/external/gpl3/gcc.old/dist/gcc/c-family/c-format.h	Wed Oct 14 12:05:14 2015
@@ -75,11 +75,13 @@ enum
   FMT_FLAG_DOLLAR_GAP_POINTER_OK = 128,
   /* The format arg is an opaque object that will be parsed by an external
      facility.  */
-  FMT_FLAG_PARSE_ARG_CONVERT_EXTERNAL = 256
+  FMT_FLAG_PARSE_ARG_CONVERT_EXTERNAL = 256,
   /* Not included here: details of whether width or precision may occur
      (controlled by width_char and precision_char); details of whether
      '*' can be used for these (width_type and precision_type); details
      of whether length modifiers can occur (length_char_specs).  */
+  FMT_FLAG_M_OK = 512
+  /* %m is only allowed in syslog */
 };
 
 /* Structure describing a length modifier supported in format checking, and

Index: src/external/gpl3/gcc.old/dist/gcc/config/netbsd.h
diff -u src/external/gpl3/gcc.old/dist/gcc/config/netbsd.h:1.3 src/external/gpl3/gcc.old/dist/gcc/config/netbsd.h:1.4
--- src/external/gpl3/gcc.old/dist/gcc/config/netbsd.h:1.3	Tue Sep 22 23:39:12 2015
+++ src/external/gpl3/gcc.old/dist/gcc/config/netbsd.h	Wed Oct 14 12:05:15 2015
@@ -23,6 +23,7 @@ along with GCC; see the file COPYING3.  
     {						\
       builtin_define ("__NetBSD__");		\
       builtin_define ("__unix__");		\
+      builtin_define ("__syslog_attribute__");	\
       builtin_assert ("system=bsd");		\
       builtin_assert ("system=unix");		\
       builtin_assert ("system=NetBSD");		\

Index: src/external/gpl3/gcc/dist/gcc/c-family/c-format.c
diff -u src/external/gpl3/gcc/dist/gcc/c-family/c-format.c:1.1.1.1 src/external/gpl3/gcc/dist/gcc/c-family/c-format.c:1.2
--- src/external/gpl3/gcc/dist/gcc/c-family/c-format.c:1.1.1.1	Sat Mar  1 03:43:01 2014
+++ src/external/gpl3/gcc/dist/gcc/c-family/c-format.c	Wed Oct 14 12:05:14 2015
@@ -860,14 +860,20 @@ static const format_kind_info format_typ
   },
   { "gnu_strftime", NULL,                 time_char_table,  "_-0^#", "EO",
     strftime_flag_specs, strftime_flag_pairs,
-    FMT_FLAG_FANCY_PERCENT_OK, 'w', 0, 0, 0, 0, 0,
+    FMT_FLAG_FANCY_PERCENT_OK|FMT_FLAG_M_OK, 'w', 0, 0, 0, 0, 0,
     NULL, NULL
   },
   { "gnu_strfmon",  strfmon_length_specs, monetary_char_table, "=^+(!-", NULL,
     strfmon_flag_specs, strfmon_flag_pairs,
     FMT_FLAG_ARG_CONVERT, 'w', '#', 'p', 0, 'L', 0,
     NULL, NULL
-  }
+  },
+  { "gnu_syslog",   printf_length_specs,  print_char_table, " +#0-'I", NULL,
+    printf_flag_specs, printf_flag_pairs,
+    FMT_FLAG_ARG_CONVERT|FMT_FLAG_DOLLAR_MULTIPLE|FMT_FLAG_USE_DOLLAR|FMT_FLAG_EMPTY_PREC_OK|FMT_FLAG_M_OK,
+    'w', 0, 'p', 0, 'L', 0,
+    &integer_type_node, &integer_type_node
+  },
 };
 
 /* This layer of indirection allows GCC to reassign format_types with
@@ -1983,6 +1989,14 @@ check_format_info_main (format_check_res
 	  warning (OPT_Wformat_, "conversion lacks type at end of format");
 	  continue;
 	}
+
+      if (format_char == 'm' && !(fki->flags & FMT_FLAG_M_OK))
+        {
+	  warning (OPT_Wformat_,
+	      "%%m is only allowed in syslog(3) like functions");
+	  continue;
+	}
+	
       format_chars++;
       fci = fki->conversion_specs;
       while (fci->format_chars != 0
@@ -2854,6 +2868,7 @@ extern const target_ovr_attr TARGET_OVER
 static const target_ovr_attr gnu_target_overrides_format_attributes[] =
 {
   { "gnu_printf",   "printf" },
+  { "gnu_syslog",   "syslog" },
   { "gnu_scanf",    "scanf" },
   { "gnu_strftime", "strftime" },
   { "gnu_strfmon",  "strfmon" },
Index: src/external/gpl3/gcc/dist/gcc/c-family/c-format.h
diff -u src/external/gpl3/gcc/dist/gcc/c-family/c-format.h:1.1.1.1 src/external/gpl3/gcc/dist/gcc/c-family/c-format.h:1.2
--- src/external/gpl3/gcc/dist/gcc/c-family/c-format.h:1.1.1.1	Sat Mar  1 03:43:01 2014
+++ src/external/gpl3/gcc/dist/gcc/c-family/c-format.h	Wed Oct 14 12:05:14 2015
@@ -75,11 +75,13 @@ enum
   FMT_FLAG_DOLLAR_GAP_POINTER_OK = 128,
   /* The format arg is an opaque object that will be parsed by an external
      facility.  */
-  FMT_FLAG_PARSE_ARG_CONVERT_EXTERNAL = 256
+  FMT_FLAG_PARSE_ARG_CONVERT_EXTERNAL = 256,
   /* Not included here: details of whether width or precision may occur
      (controlled by width_char and precision_char); details of whether
      '*' can be used for these (width_type and precision_type); details
      of whether length modifiers can occur (length_char_specs).  */
+  FMT_FLAG_M_OK = 512
+  /* %m is only allowed in syslog */
 };
 
 /* Structure describing a length modifier supported in format checking, and

Index: src/external/gpl3/gcc/dist/gcc/config/netbsd.h
diff -u src/external/gpl3/gcc/dist/gcc/config/netbsd.h:1.14 src/external/gpl3/gcc/dist/gcc/config/netbsd.h:1.15
--- src/external/gpl3/gcc/dist/gcc/config/netbsd.h:1.14	Wed Oct 22 19:17:24 2014
+++ src/external/gpl3/gcc/dist/gcc/config/netbsd.h	Wed Oct 14 12:05:15 2015
@@ -23,6 +23,7 @@ along with GCC; see the file COPYING3.  
     {						\
       builtin_define ("__NetBSD__");		\
       builtin_define ("__unix__");		\
+      builtin_define ("__syslog_attribute__");	\
       builtin_assert ("system=bsd");		\
       builtin_assert ("system=unix");		\
       builtin_assert ("system=NetBSD");		\

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