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freebsd-ports/lang/gcc31/files/patch-fa
David E. O'Brien b881bce189 Update to match what is in -current.
2002-05-28 03:43:59 +00:00

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--- gcc/c-format.c.orig Wed Feb 20 14:54:32 2002
+++ gcc/c-format.c Mon May 27 20:42:37 2002
@@ -19,6 +19,8 @@
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
+/* $FreeBSD: /tmp/pcvs/ports/lang/gcc31/files/Attic/patch-fa,v 1.11 2002-05-28 03:43:59 obrien Exp $ */
+
#include "config.h"
#include "system.h"
#include "tree.h"
@@ -75,6 +77,7 @@
last. */
enum format_type { printf_format_type, scanf_format_type,
strftime_format_type, strfmon_format_type,
+ printf0_format_type,
format_type_error };
typedef struct function_format_info
@@ -82,6 +85,7 @@
enum format_type format_type; /* type of format (printf, scanf, etc.) */
unsigned HOST_WIDE_INT format_num; /* number of format argument */
unsigned HOST_WIDE_INT first_arg_num; /* number of first arg (zero for varargs) */
+ int null_format_ok; /* TRUE if the format string may be NULL */
} function_format_info;
static bool decode_format_attr PARAMS ((tree,
@@ -249,7 +253,7 @@
{
if (validated_p)
abort ();
- error ("unrecognized format specifier");
+ error_with_decl (getdecls (), "unrecognized format specifier");
return false;
}
else
@@ -540,6 +544,7 @@
/* Pointer to type of argument expected if '*' is used for a precision,
or NULL if '*' not used for precisions. */
tree *const precision_type;
+ const int null_format_ok;
} format_kind_info;
@@ -783,6 +788,18 @@
{ "S", 1, STD_EXT, { TEX_W, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp", "R" },
/* GNU conversion specifiers. */
{ "m", 0, STD_EXT, { T89_V, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp", "" },
+ /* BSD conversion specifiers. */
+ /* FreeBSD kernel extensions (src/sys/kern/subr_prf.c).
+ The format %b is supported to decode error registers.
+ Its usage is: printf("reg=%b\n", regval, "<base><arg>*");
+ which produces: reg=3<BITTWO,BITONE>
+ The format %D provides a hexdump given a pointer and separator string:
+ ("%6D", ptr, ":") -> XX:XX:XX:XX:XX:XX
+ ("%*D", len, ptr, " ") -> XX XX XX XX ...
+ */
+ { "D", 1, STD_EXT, { T89_C, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp", "cR" },
+ { "b", 1, STD_EXT, { T89_C, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp", "" },
+ { "rz", 0, STD_EXT, { T89_I, BADLEN, BADLEN, T89_L, BADLEN, BADLEN, BADLEN, BADLEN, BADLEN }, "-wp0 +#", "i" },
{ NULL, 0, 0, NOLENGTHS, NULL, NULL }
};
@@ -847,23 +864,29 @@
printf_flag_specs, printf_flag_pairs,
FMT_FLAG_ARG_CONVERT|FMT_FLAG_DOLLAR_MULTIPLE|FMT_FLAG_USE_DOLLAR|FMT_FLAG_EMPTY_PREC_OK,
'w', 0, 'p', 0, 'L',
- &integer_type_node, &integer_type_node
+ &integer_type_node, &integer_type_node, 0
},
{ "scanf", scanf_length_specs, scan_char_table, "*'I", NULL,
scanf_flag_specs, scanf_flag_pairs,
FMT_FLAG_ARG_CONVERT|FMT_FLAG_SCANF_A_KLUDGE|FMT_FLAG_USE_DOLLAR|FMT_FLAG_ZERO_WIDTH_BAD|FMT_FLAG_DOLLAR_GAP_POINTER_OK,
'w', 0, 0, '*', 'L',
- NULL, NULL
+ NULL, NULL, 0
},
{ "strftime", NULL, time_char_table, "_-0^#", "EO",
strftime_flag_specs, strftime_flag_pairs,
FMT_FLAG_FANCY_PERCENT_OK, 'w', 0, 0, 0, 0,
- NULL, NULL
+ NULL, NULL, 0
},
{ "strfmon", strfmon_length_specs, monetary_char_table, "=^+(!-", NULL,
strfmon_flag_specs, strfmon_flag_pairs,
FMT_FLAG_ARG_CONVERT, 'w', '#', 'p', 0, 'L',
- NULL, NULL
+ NULL, NULL, 0
+ },
+ { "printf0", 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,
+ 'w', 0, 'p', 0, 'L',
+ &integer_type_node, &integer_type_node, 1
}
};
@@ -917,6 +940,14 @@
static void check_format_types PARAMS ((int *, format_wanted_type *));
+
+inline static int get_null_fmt_ok (fmttype)
+ enum format_type fmttype;
+{
+ return format_types[(int)fmttype].null_format_ok;
+}
+
+
/* Decode a format type from a string, returning the type, or
format_type_error if not valid, in which case the caller should print an
error message. */
@@ -1475,7 +1506,7 @@
specially if info == NULL and add a res->number_null entry for
that case, or maybe add a function pointer to be called at
the end instead of hardcoding check_format_info_main. */
- status_warning (status, "null format string");
+ if (!info->null_format_ok) status_warning (status, "null format string");
/* Skip to first argument to check, so we can see if this format
has any arguments (it shouldn't). */
@@ -1986,6 +2017,57 @@
}
}
+ if (*format_chars == 'b')
+ {
+ /* There should be an int arg to control the string arg. */
+ if (params == 0)
+ {
+ status_warning (status, "too few arguments for format");
+ return;
+ }
+ if (info->first_arg_num != 0)
+ {
+ cur_param = TREE_VALUE (params);
+ params = TREE_CHAIN (params);
+ ++arg_num;
+ if ((TYPE_MAIN_VARIANT (TREE_TYPE (cur_param))
+ != integer_type_node)
+ &&
+ (TYPE_MAIN_VARIANT (TREE_TYPE (cur_param))
+ != unsigned_type_node))
+ {
+ status_warning (status, "bitmap is not type int (arg %d)",
+ arg_num);
+ }
+ }
+ }
+ if (*format_chars == 'D')
+ {
+ /* There should be an unsigned char * arg before the string arg. */
+ if (params == 0)
+ {
+ status_warning (status, "too few arguments for format");
+ return;
+ }
+ if (info->first_arg_num != 0)
+ {
+ tree cur_type;
+
+ cur_param = TREE_VALUE (params);
+ params = TREE_CHAIN (params);
+ ++arg_num;
+ cur_type = TREE_TYPE (cur_param);
+ if (TREE_CODE (cur_type) != POINTER_TYPE
+ || TYPE_MAIN_VARIANT (TREE_TYPE (cur_type))
+ != unsigned_char_type_node)
+ {
+ status_warning (status,
+ "ethernet address is not type unsigned char * (arg %d)",
+ arg_num);
+ }
+ }
+ }
+
format_char = *format_chars;
if (format_char == 0
|| (!(fki->flags & (int) FMT_FLAG_FANCY_PERCENT_OK)
@@ -2112,7 +2194,7 @@
else if (strchr (fci->flags2, '2') != 0)
y2k_level = 2;
if (y2k_level == 3)
- status_warning (status, "`%%%c' yields only last 2 digits of year in some locales",
+ status_warning (status, "`%%%c' yields only last 2 digits of year in some locales on non-BSD systems",
format_char);
else if (y2k_level == 2)
status_warning (status, "`%%%c' yields only last 2 digits of year", format_char);
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