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re PR c/52952 (Wformat location info is bad (wrong column number))
gcc/testsuite/ChangeLog: 2015-05-21 Manuel López-Ibáñez <manu@gcc.gnu.org> PR c/52952 * gcc.dg/redecl-4.c: Update column numbers. * gcc.dg/format/bitfld-1.c: Likewise. * gcc.dg/format/attr-2.c: Likewise. * gcc.dg/format/attr-6.c: Likewise. * gcc.dg/format/attr-7.c (baz): Likewise. * gcc.dg/format/asm_fprintf-1.c: Likewise. * gcc.dg/format/attr-4.c: Likewise. * gcc.dg/format/branch-1.c: Likewise. * gcc.dg/format/c90-printf-1.c: Likewise. Add tests for column locations within strings with embedded escape sequences. gcc/c-family/ChangeLog: 2015-05-21 Manuel López-Ibáñez <manu@gcc.gnu.org> PR c/52952 * c-format.c (location_column_from_byte_offset): New. (location_from_offset): New. (struct format_wanted_type): Add offset_loc field. (check_format_info): Move handling of location for extra arguments closer to the point of warning. (check_format_info_main): Pass the result of location_from_offset to warning_at. (format_type_warning): Pass the result of location_from_offset to warning_at. From-SVN: r223470
This commit is contained in:
Manuel López-Ibáñez
parent
a4f238b6d7
commit
0fee2ac288
gcc
@ -1,3 +1,16 @@
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2015-05-21 Manuel López-Ibáñez <manu@gcc.gnu.org>
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PR c/52952
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* c-format.c (location_column_from_byte_offset): New.
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(location_from_offset): New.
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(struct format_wanted_type): Add offset_loc field.
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(check_format_info): Move handling of location for extra arguments
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closer to the point of warning.
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(check_format_info_main): Pass the result of location_from_offset
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to warning_at.
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(format_type_warning): Pass the result of location_from_offset
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to warning_at.
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2015-05-20 Marek Polacek <polacek@redhat.com>
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* c-omp.c (check_omp_for_incr_expr): Use BINARY_CLASS_P.
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@ -78,6 +78,78 @@ static int first_target_format_type;
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static const char *format_name (int format_num);
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static int format_flags (int format_num);
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/* Given a string S of length LINE_WIDTH, find the visual column
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corresponding to OFFSET bytes. */
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static unsigned int
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location_column_from_byte_offset (const char *s, int line_width,
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unsigned int offset)
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{
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const char * c = s;
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if (*c != '"')
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return 0;
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c++, offset--;
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while (offset > 0)
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{
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if (c - s >= line_width)
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return 0;
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switch (*c)
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{
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case '\\':
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c++;
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if (c - s >= line_width)
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return 0;
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switch (*c)
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{
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case '\\': case '\'': case '"': case '?':
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case '(': case '{': case '[': case '%':
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case 'a': case 'b': case 'f': case 'n':
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case 'r': case 't': case 'v':
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case 'e': case 'E':
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c++, offset--;
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break;
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default:
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return 0;
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}
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break;
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case '"':
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/* We found the end of the string too early. */
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return 0;
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default:
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c++, offset--;
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break;
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}
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}
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return c - s;
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}
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/* Return a location that encodes the same location as LOC but shifted
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by OFFSET bytes. */
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static location_t
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location_from_offset (location_t loc, int offset)
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{
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gcc_checking_assert (offset >= 0);
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if (linemap_location_from_macro_expansion_p (line_table, loc)
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|| offset < 0)
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return loc;
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expanded_location s = expand_location_to_spelling_point (loc);
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int line_width;
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const char *line = location_get_source_line (s, &line_width);
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line += s.column - 1 ;
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line_width -= s.column - 1;
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unsigned int column =
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location_column_from_byte_offset (line, line_width, (unsigned) offset);
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return linemap_position_for_loc_and_offset (line_table, loc, column);
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}
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/* Check that we have a pointer to a string suitable for use as a format.
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The default is to check for a char type.
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For objective-c dialects, this is extended to include references to string
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@ -390,6 +462,9 @@ typedef struct format_wanted_type
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tree param;
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/* The argument number of that parameter. */
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int arg_num;
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/* The offset location of this argument with respect to the format
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string location. */
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unsigned int offset_loc;
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/* The next type to check for this format conversion, or NULL if none. */
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struct format_wanted_type *next;
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} format_wanted_type;
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@ -1358,8 +1433,6 @@ check_format_info (function_format_info *info, tree params)
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format_tree, arg_num);
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location_t loc = format_ctx.res->format_string_loc;
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if (res.extra_arg_loc == UNKNOWN_LOCATION)
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res.extra_arg_loc = loc;
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if (res.number_non_literal > 0)
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{
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@ -1405,8 +1478,12 @@ check_format_info (function_format_info *info, tree params)
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case of extra format arguments. */
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if (res.number_extra_args > 0 && res.number_non_literal == 0
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&& res.number_other == 0)
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warning_at (res.extra_arg_loc, OPT_Wformat_extra_args,
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"too many arguments for format");
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{
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if (res.extra_arg_loc == UNKNOWN_LOCATION)
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res.extra_arg_loc = loc;
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warning_at (res.extra_arg_loc, OPT_Wformat_extra_args,
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"too many arguments for format");
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}
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if (res.number_dollar_extra_args > 0 && res.number_non_literal == 0
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&& res.number_other == 0)
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warning_at (loc, OPT_Wformat_extra_args, "unused arguments in $-style format");
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@ -1682,7 +1759,9 @@ check_format_info_main (format_check_results *res,
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continue;
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if (*format_chars == 0)
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{
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warning_at (format_string_loc, OPT_Wformat_,
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warning_at (location_from_offset (format_string_loc,
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format_chars - orig_format_chars),
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OPT_Wformat_,
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"spurious trailing %<%%%> in format");
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continue;
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}
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@ -1727,7 +1806,10 @@ check_format_info_main (format_check_results *res,
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*format_chars, NULL);
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if (strchr (flag_chars, *format_chars) != 0)
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{
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warning_at (format_string_loc, OPT_Wformat_,
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warning_at (location_from_offset (format_string_loc,
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format_chars + 1
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- orig_format_chars),
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OPT_Wformat_,
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"repeated %s in format", _(s->name));
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}
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else
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@ -1807,6 +1889,8 @@ check_format_info_main (format_check_results *res,
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width_wanted_type.format_length = 1;
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width_wanted_type.param = cur_param;
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width_wanted_type.arg_num = arg_num;
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width_wanted_type.offset_loc =
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format_chars - orig_format_chars;
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width_wanted_type.next = NULL;
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if (last_wanted_type != 0)
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last_wanted_type->next = &width_wanted_type;
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@ -1849,7 +1933,9 @@ check_format_info_main (format_check_results *res,
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flag_chars[i++] = fki->left_precision_char;
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flag_chars[i] = 0;
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if (!ISDIGIT (*format_chars))
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warning_at (format_string_loc, OPT_Wformat_,
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warning_at (location_from_offset (format_string_loc,
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format_chars - orig_format_chars),
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OPT_Wformat_,
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"empty left precision in %s format", fki->name);
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while (ISDIGIT (*format_chars))
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++format_chars;
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@ -1914,6 +2000,8 @@ check_format_info_main (format_check_results *res,
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precision_wanted_type.format_start = format_chars - 2;
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precision_wanted_type.format_length = 2;
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precision_wanted_type.arg_num = arg_num;
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precision_wanted_type.offset_loc =
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format_chars - orig_format_chars;
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precision_wanted_type.next = NULL;
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if (last_wanted_type != 0)
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last_wanted_type->next = &precision_wanted_type;
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@ -1926,7 +2014,9 @@ check_format_info_main (format_check_results *res,
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{
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if (!(fki->flags & (int) FMT_FLAG_EMPTY_PREC_OK)
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&& !ISDIGIT (*format_chars))
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warning_at (format_string_loc, OPT_Wformat_,
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warning_at (location_from_offset (format_string_loc,
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format_chars - orig_format_chars),
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OPT_Wformat_,
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"empty precision in %s format", fki->name);
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while (ISDIGIT (*format_chars))
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++format_chars;
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@ -2012,7 +2102,10 @@ check_format_info_main (format_check_results *res,
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{
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const format_flag_spec *s = get_flag_spec (flag_specs,
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*format_chars, NULL);
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warning_at (format_string_loc, OPT_Wformat_,
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warning_at (location_from_offset (format_string_loc,
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format_chars
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- orig_format_chars),
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OPT_Wformat_,
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"repeated %s in format", _(s->name));
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}
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else
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@ -2030,7 +2123,9 @@ check_format_info_main (format_check_results *res,
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|| (!(fki->flags & (int) FMT_FLAG_FANCY_PERCENT_OK)
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&& format_char == '%'))
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{
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warning_at (format_string_loc, OPT_Wformat_,
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warning_at (location_from_offset (format_string_loc,
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format_chars - orig_format_chars),
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OPT_Wformat_,
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"conversion lacks type at end of format");
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continue;
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}
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@ -2042,11 +2137,15 @@ check_format_info_main (format_check_results *res,
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if (fci->format_chars == 0)
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{
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if (ISGRAPH (format_char))
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warning_at (format_string_loc, OPT_Wformat_,
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warning_at (location_from_offset (format_string_loc,
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format_chars - orig_format_chars),
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OPT_Wformat_,
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"unknown conversion type character %qc in format",
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format_char);
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else
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warning_at (format_string_loc, OPT_Wformat_,
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warning_at (location_from_offset (format_string_loc,
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format_chars - orig_format_chars),
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OPT_Wformat_,
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"unknown conversion type character 0x%x in format",
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format_char);
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continue;
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@ -2054,7 +2153,9 @@ check_format_info_main (format_check_results *res,
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if (pedantic)
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{
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if (ADJ_STD (fci->std) > C_STD_VER)
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warning_at (format_string_loc, OPT_Wformat_,
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warning_at (location_from_offset (format_string_loc,
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format_chars - orig_format_chars),
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OPT_Wformat_,
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"%s does not support the %<%%%c%> %s format",
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C_STD_NAME (fci->std), format_char, fki->name);
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}
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@ -2071,8 +2172,10 @@ check_format_info_main (format_check_results *res,
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continue;
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if (strchr (fci->flag_chars, flag_chars[i]) == 0)
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{
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warning_at (format_string_loc,
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OPT_Wformat_, "%s used with %<%%%c%> %s format",
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warning_at (location_from_offset (format_string_loc,
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format_chars
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- orig_format_chars),
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OPT_Wformat_, "%s used with %<%%%c%> %s format",
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_(s->name), format_char, fki->name);
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d++;
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continue;
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@ -2186,7 +2289,9 @@ check_format_info_main (format_check_results *res,
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++format_chars;
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if (*format_chars != ']')
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/* The end of the format string was reached. */
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warning_at (format_string_loc, OPT_Wformat_,
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warning_at (location_from_offset (format_string_loc,
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format_chars - orig_format_chars),
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OPT_Wformat_,
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"no closing %<]%> for %<%%[%> format");
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}
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@ -2200,8 +2305,11 @@ check_format_info_main (format_check_results *res,
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wanted_type_std = fci->types[length_chars_val].std;
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if (wanted_type == 0)
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{
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warning_at (format_string_loc, OPT_Wformat_,
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"use of %qs length modifier with %qc type character",
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warning_at (location_from_offset (format_string_loc,
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format_chars - orig_format_chars),
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OPT_Wformat_,
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"use of %qs length modifier with %qc type character"
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" has either no effect or undefined behavior",
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length_chars, format_char);
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/* Heuristic: skip one argument when an invalid length/type
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combination is encountered. */
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@ -2218,7 +2326,9 @@ check_format_info_main (format_check_results *res,
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&& ADJ_STD (wanted_type_std) > ADJ_STD (fci->std))
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{
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if (ADJ_STD (wanted_type_std) > C_STD_VER)
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warning_at (format_string_loc, OPT_Wformat_,
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warning_at (location_from_offset (format_string_loc,
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format_chars - orig_format_chars),
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OPT_Wformat_,
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"%s does not support the %<%%%s%c%> %s format",
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C_STD_NAME (wanted_type_std), length_chars,
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format_char, fki->name);
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@ -2303,6 +2413,7 @@ check_format_info_main (format_check_results *res,
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wanted_type_ptr->arg_num = arg_num;
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wanted_type_ptr->format_start = format_start;
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wanted_type_ptr->format_length = format_chars - format_start;
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wanted_type_ptr->offset_loc = format_chars - orig_format_chars;
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wanted_type_ptr->next = NULL;
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if (last_wanted_type != 0)
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last_wanted_type->next = wanted_type_ptr;
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@ -2327,7 +2438,9 @@ check_format_info_main (format_check_results *res,
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}
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if (format_chars - orig_format_chars != format_length)
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warning_at (format_string_loc, OPT_Wformat_contains_nul,
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warning_at (location_from_offset (format_string_loc,
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format_chars + 1 - orig_format_chars),
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OPT_Wformat_contains_nul,
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"embedded %<\\0%> in format");
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if (info->first_arg_num != 0 && params != 0
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&& has_operand_number <= 0)
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@ -2535,6 +2648,7 @@ format_type_warning (location_t loc, format_wanted_type *type,
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int format_length = type->format_length;
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int pointer_count = type->pointer_count;
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int arg_num = type->arg_num;
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unsigned int offset_loc = type->offset_loc;
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char *p;
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/* If ARG_TYPE is a typedef with a misleading name (for example,
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@ -2568,6 +2682,8 @@ format_type_warning (location_t loc, format_wanted_type *type,
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p[pointer_count + 1] = 0;
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}
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loc = location_from_offset (loc, offset_loc);
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if (wanted_type_name)
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{
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if (arg_type)
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@ -1,3 +1,17 @@
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2015-05-21 Manuel López-Ibáñez <manu@gcc.gnu.org>
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PR c/52952
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* gcc.dg/redecl-4.c: Update column numbers.
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* gcc.dg/format/bitfld-1.c: Likewise.
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* gcc.dg/format/attr-2.c: Likewise.
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* gcc.dg/format/attr-6.c: Likewise.
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* gcc.dg/format/attr-7.c (baz): Likewise.
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* gcc.dg/format/asm_fprintf-1.c: Likewise.
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* gcc.dg/format/attr-4.c: Likewise.
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* gcc.dg/format/branch-1.c: Likewise.
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* gcc.dg/format/c90-printf-1.c: Likewise. Add tests for column
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locations within strings with embedded escape sequences.
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2015-05-20 Alex Velenko <Alex.Velenko@arm.com>
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* gcc.target/arm/thumb1-far-jump-2.c (r4): Added int in definition.
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@ -42,39 +42,40 @@ foo (int i, int i1, int i2, unsigned int u, double d, char *s, void *p,
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asm_fprintf ("%wd%wi%wo%wu%wx%wX", ll, ll, ull, ull, ull, ull);
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/* Standard specifiers not accepted in asm_fprintf. */
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asm_fprintf ("%f\n", d); /* { dg-warning "16:format" "float" } */
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asm_fprintf ("%e\n", d); /* { dg-warning "16:format" "float" } */
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asm_fprintf ("%E\n", d); /* { dg-warning "16:format" "float" } */
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asm_fprintf ("%g\n", d); /* { dg-warning "16:format" "float" } */
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asm_fprintf ("%G\n", d); /* { dg-warning "16:format" "float" } */
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asm_fprintf ("%p\n", p); /* { dg-warning "16:format" "pointer" } */
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asm_fprintf ("%n\n", n); /* { dg-warning "16:format" "counter" } */
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asm_fprintf ("%hd\n", i); /* { dg-warning "16:format" "conversion" } */
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asm_fprintf ("%f\n", d); /* { dg-warning "18:format" "float" } */
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asm_fprintf ("%e\n", d); /* { dg-warning "18:format" "float" } */
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asm_fprintf ("%E\n", d); /* { dg-warning "18:format" "float" } */
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asm_fprintf ("%g\n", d); /* { dg-warning "18:format" "float" } */
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asm_fprintf ("%G\n", d); /* { dg-warning "18:format" "float" } */
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asm_fprintf ("%p\n", p); /* { dg-warning "18:format" "pointer" } */
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asm_fprintf ("%n\n", n); /* { dg-warning "18:format" "counter" } */
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asm_fprintf ("%hd\n", i); /* { dg-warning "18:format" "conversion" } */
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/* Various tests of bad argument types. */
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asm_fprintf ("%d", l); /* { dg-warning "16:format" "bad argument types" } */
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asm_fprintf ("%wd", l); /* { dg-warning "16:format" "bad argument types" } */
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asm_fprintf ("%d", ll); /* { dg-warning "16:format" "bad argument types" } */
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asm_fprintf ("%*d\n", i1, i); /* { dg-warning "16:format" "bad * argument types" } */
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asm_fprintf ("%.*d\n", i2, i); /* { dg-warning "16:format" "bad * argument types" } */
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asm_fprintf ("%*.*ld\n", i1, i2, l); /* { dg-warning "16:format" "bad * argument types" } */
|
||||
asm_fprintf ("%ld", i); /* { dg-warning "16:format" "bad argument types" } */
|
||||
asm_fprintf ("%s", n); /* { dg-warning "16:format" "bad argument types" } */
|
||||
asm_fprintf ("%d", l); /* { dg-warning "18:format" "bad argument types" } */
|
||||
asm_fprintf ("%wd", l); /* { dg-warning "19:format" "bad argument types" } */
|
||||
asm_fprintf ("%d", ll); /* { dg-warning "18:format" "bad argument types" } */
|
||||
asm_fprintf ("%*d\n", i1, i); /* { dg-warning "18:format" "bad * argument types" } */
|
||||
asm_fprintf ("%.*d\n", i2, i); /* { dg-warning "19:format" "bad * argument types" } */
|
||||
asm_fprintf ("%*.*ld\n", i1, i2, l); /* { dg-warning "18:format" "bad * argument types" } */
|
||||
asm_fprintf ("%ld", i); /* { dg-warning "19:format" "bad argument types" } */
|
||||
asm_fprintf ("%s", n); /* { dg-warning "18:format" "bad argument types" } */
|
||||
|
||||
/* Wrong number of arguments. */
|
||||
asm_fprintf ("%d%d", i); /* { dg-warning "16:matching" "wrong number of args" } */
|
||||
asm_fprintf ("%d%d", i); /* { dg-warning "20:matching" "wrong number of args" } */
|
||||
asm_fprintf ("%d", i, i); /* { dg-warning "16:arguments" "wrong number of args" } */
|
||||
/* Miscellaneous bogus constructions. */
|
||||
asm_fprintf (""); /* { dg-warning "16:zero-length" "warning for empty format" } */
|
||||
asm_fprintf ("\0"); /* { dg-warning "16:embedded" "warning for embedded NUL" } */
|
||||
asm_fprintf ("%d\0", i); /* { dg-warning "16:embedded" "warning for embedded NUL" } */
|
||||
asm_fprintf ("%d\0%d", i, i); /* { dg-warning "16:embedded|too many" "warning for embedded NUL" } */
|
||||
asm_fprintf ("\0"); /* { dg-warning "17:embedded" "warning for embedded NUL" } */
|
||||
asm_fprintf ("%d\0", i); /* { dg-warning "19:embedded" "warning for embedded NUL" } */
|
||||
asm_fprintf ("%d\0%d", i, i); /* { dg-warning "19:embedded|too many" "warning for embedded NUL" } */
|
||||
asm_fprintf (NULL); /* { dg-warning "null" "null format string warning" } */
|
||||
asm_fprintf ("%"); /* { dg-warning "16:trailing" "trailing % warning" } */
|
||||
asm_fprintf ("%++d", i); /* { dg-warning "16:repeated" "repeated flag warning" } */
|
||||
asm_fprintf ("%"); /* { dg-warning "17:trailing" "trailing % warning" } */
|
||||
asm_fprintf ("%++d", i); /* { dg-warning "19:repeated" "repeated flag warning" } */
|
||||
asm_fprintf ((const char *)L"foo"); /* { dg-warning "30:wide" "wide string" } */
|
||||
asm_fprintf ("%s", (char *)0); /* { dg-warning "null" "%s with NULL" } */
|
||||
|
||||
/* Make sure we still get warnings for regular printf. */
|
||||
printf ("%d\n", ll); /* { dg-warning "11:format" "bad argument types" } */
|
||||
printf ("%d\n", ll); /* { dg-warning "13:format" "bad argument types" } */
|
||||
}
|
||||
/* { dg-warning "16:too many arguments for format" "too many arguments" { target *-*-* } 0 } */
|
||||
|
||||
@ -30,13 +30,13 @@ void
|
||||
foo (int i, int *ip, double d)
|
||||
{
|
||||
tformatprintf ("%d", i);
|
||||
tformatprintf ("%"); /* { dg-warning "18:format" "attribute format printf" } */
|
||||
tformatprintf ("%"); /* { dg-warning "19:format" "attribute format printf" } */
|
||||
tformat__printf__ ("%d", i);
|
||||
tformat__printf__ ("%"); /* { dg-warning "format" "attribute format __printf__" } */
|
||||
tformatscanf ("%d", ip);
|
||||
tformatscanf ("%"); /* { dg-warning "format" "attribute format scanf" } */
|
||||
tformat__scanf__ ("%d", ip);
|
||||
tformat__scanf__ ("%"); /* { dg-warning "format" "attribute format __scanf__" } */
|
||||
tformat__scanf__ ("%"); /* { dg-warning "22:format" "attribute format __scanf__" } */
|
||||
tformatstrftime ("%a");
|
||||
tformatstrftime ("%"); /* { dg-warning "format" "attribute format strftime" } */
|
||||
tformat__strftime__ ("%a");
|
||||
|
||||
@ -16,7 +16,7 @@ void
|
||||
baz (int i, int *ip, double d)
|
||||
{
|
||||
tformatprintf0 ("%d", i);
|
||||
tformatprintf0 ("%"); /* { dg-warning "19:format" "attribute format printf case 0" } */
|
||||
tformatprintf0 ("%"); /* { dg-warning "20:format" "attribute format printf case 0" } */
|
||||
tformatprintf1 ("%d", i);
|
||||
tformatprintf1 ("%"); /* { dg-warning "format" "attribute format printf case 1" } */
|
||||
tformatprintf2 ("%d", i);
|
||||
|
||||
@ -17,6 +17,6 @@
|
||||
void
|
||||
foo (const char *s, int *p)
|
||||
{
|
||||
scanf("%ld", p); /* { dg-warning "9:format" "implicit scanf" } */
|
||||
scanf("%ld", p); /* { dg-warning "12:format" "implicit scanf" } */
|
||||
/* { dg-warning "implicit" "implicit decl warning" { target *-*-* } 20 } */
|
||||
}
|
||||
|
||||
@ -18,7 +18,7 @@ baz (int i)
|
||||
{
|
||||
(*tformatprintf0) ("%d", i);
|
||||
(*tformatprintf0) ((*tformat_arg) ("%d"), i);
|
||||
(*tformatprintf0) ("%"); /* { dg-warning "22:format" "prefix" } */
|
||||
(*tformatprintf0) ("%"); /* { dg-warning "23:format" "prefix" } */
|
||||
(*tformatprintf0) ((*tformat_arg) ("%")); /* { dg-warning "format" "prefix" } */
|
||||
(*tformatprintf1) ("%d", i);
|
||||
(*tformatprintf1) ((*tformat_arg) ("%d"), i);
|
||||
|
||||
@ -46,6 +46,6 @@ foo (void)
|
||||
printf ("%ld%lu", x.u32, x.u32);
|
||||
printf ("%ld%lu", x.s32, x.s32);
|
||||
#endif
|
||||
printf ("%llu", x.u48); /* { dg-warning "11:has type '.*unsigned int:48'" } */
|
||||
printf ("%llu", x.u48); /* { dg-warning "15:has type '.*unsigned int:48'" } */
|
||||
printf ("%llu", (unsigned long long)x.u48);
|
||||
}
|
||||
|
||||
@ -9,19 +9,19 @@ void
|
||||
foo (long l, int nfoo)
|
||||
{
|
||||
printf ((nfoo > 1) ? "%d foos" : "%d foo", nfoo);
|
||||
printf ((l > 1) ? "%d foos" /* { dg-warning "21:int" "wrong type in conditional expr" } */
|
||||
: "%d foo", l); /* { dg-warning "14:int" "wrong type in conditional expr" } */
|
||||
printf ((l > 1) ? "%ld foos" : "%d foo", l); /* { dg-warning "34:int" "wrong type in conditional expr" } */
|
||||
printf ((l > 1) ? "%d foos" : "%ld foo", l); /* { dg-warning "21:int" "wrong type in conditional expr" } */
|
||||
printf ((l > 1) ? "%d foos" /* { dg-warning "23:int" "wrong type in conditional expr" } */
|
||||
: "%d foo", l); /* { dg-warning "16:int" "wrong type in conditional expr" } */
|
||||
printf ((l > 1) ? "%ld foos" : "%d foo", l); /* { dg-warning "36:int" "wrong type in conditional expr" } */
|
||||
printf ((l > 1) ? "%d foos" : "%ld foo", l); /* { dg-warning "23:int" "wrong type in conditional expr" } */
|
||||
/* Should allow one case to have extra arguments. */
|
||||
printf ((nfoo > 1) ? "%d foos" : "1 foo", nfoo);
|
||||
printf ((nfoo > 1) ? "many foos" : "1 foo", nfoo); /* { dg-warning "38:too many" "too many args in all branches" } */
|
||||
printf ((nfoo > 1) ? "%d foos" : "", nfoo);
|
||||
printf ((nfoo > 1) ? "%d foos" : ((nfoo > 0) ? "1 foo" : "no foos"), nfoo);
|
||||
printf ((nfoo > 1) ? "%d foos" : ((nfoo > 0) ? "%d foo" : "%d foos"), nfoo);
|
||||
printf ((nfoo > 1) ? "%d foos" : ((nfoo > 0) ? "%d foo" : "%ld foos"), nfoo); /* { dg-warning "61:long int" "wrong type" } */
|
||||
printf ((nfoo > 1) ? "%ld foos" : ((nfoo > 0) ? "%d foo" : "%d foos"), nfoo); /* { dg-warning "24:long int" "wrong type" } */
|
||||
printf ((nfoo > 1) ? "%d foos" : ((nfoo > 0) ? "%ld foo" : "%d foos"), nfoo); /* { dg-warning "50:long int" "wrong type" } */
|
||||
printf ((nfoo > 1) ? "%d foos" : ((nfoo > 0) ? "%d foo" : "%ld foos"), nfoo); /* { dg-warning "64:long int" "wrong type" } */
|
||||
printf ((nfoo > 1) ? "%ld foos" : ((nfoo > 0) ? "%d foo" : "%d foos"), nfoo); /* { dg-warning "27:long int" "wrong type" } */
|
||||
printf ((nfoo > 1) ? "%d foos" : ((nfoo > 0) ? "%ld foo" : "%d foos"), nfoo); /* { dg-warning "53:long int" "wrong type" } */
|
||||
/* Extra arguments to NULL should be complained about. */
|
||||
printf (0, "foo"); /* { dg-warning "14:too many" "NULL extra args" } */
|
||||
/* { dg-warning "null" "null format arg" { target *-*-* } 26 } */
|
||||
|
||||
@ -34,28 +34,35 @@ foo (int i, int i1, int i2, unsigned int u, double d, char *s, void *p,
|
||||
*/
|
||||
printf ("%.e\n", d); /* { dg-bogus "precision" "bogus precision warning" } */
|
||||
/* Bogus use of width. */
|
||||
printf ("%5n\n", n); /* { dg-warning "11:width" "width with %n" } */
|
||||
printf ("%5n\n", n); /* { dg-warning "14:width" "width with %n" } */
|
||||
/* Erroneous, ignored or pointless constructs with precision. */
|
||||
/* Whether negative values for precision may be included in the format
|
||||
string is not entirely clear; presume not, following Clive Feather's
|
||||
proposed resolution to DR#220 against C99. In any case, such a
|
||||
construct should be warned about.
|
||||
*/
|
||||
printf ("%.-5d\n", i); /* { dg-warning "11:format|precision" "negative precision warning" } */
|
||||
printf ("%.-*d\n", i); /* { dg-warning "11:format" "broken %.-*d format" } */
|
||||
printf ("%.3c\n", i); /* { dg-warning "11:precision" "precision with %c" } */
|
||||
printf ("%.3p\n", p); /* { dg-warning "11:precision" "precision with %p" } */
|
||||
printf ("%.3n\n", n); /* { dg-warning "11:precision" "precision with %n" } */
|
||||
printf ("%.-5d\n", i); /* { dg-warning "14:format|precision" "negative precision warning" } */
|
||||
/* { dg-warning "too many arguments for format" "too many arguments" { target *-*-* } 44 } */
|
||||
printf ("%.-*d\n", i); /* { dg-warning "14:format" "broken %.-*d format" } */
|
||||
/* { dg-warning "too many arguments for format" "too many arguments" { target *-*-* } 46 } */
|
||||
printf ("%.3c\n", i); /* { dg-warning "15:precision" "precision with %c" } */
|
||||
printf ("%.3p\n", p); /* { dg-warning "15:precision" "precision with %p" } */
|
||||
printf ("%.3n\n", n); /* { dg-warning "15:precision" "precision with %n" } */
|
||||
/* Valid and invalid %% constructions. Some of the warning messages
|
||||
are non-optimal, but they do detect the errorneous nature of the
|
||||
format string.
|
||||
*/
|
||||
printf ("%%");
|
||||
printf ("%.3%"); /* { dg-warning "11:format" "bogus %%" } */
|
||||
printf ("%-%"); /* { dg-warning "11:format" "bogus %%" } */
|
||||
printf ("%-%\n"); /* { dg-warning "11:format" "bogus %%" } */
|
||||
printf ("%5%\n"); /* { dg-warning "11:format" "bogus %%" } */
|
||||
printf ("%h%\n"); /* { dg-warning "11:format" "bogus %%" } */
|
||||
printf ("%.3%"); /* { dg-warning "14:type" "missing type" } */
|
||||
/* { dg-warning "15:trailing" "bogus %%" { target *-*-* } 56 } */
|
||||
printf ("%-%"); /* { dg-warning "13:type" "missing type" } */
|
||||
/* { dg-warning "14:trailing" "bogus %%" { target *-*-* } 58 } */
|
||||
printf ("%-%\n"); /* { dg-warning "13:format" "bogus %%" } */
|
||||
/* { dg-warning "15:format" "bogus %%" { target *-*-* } 60 } */
|
||||
printf ("%5%\n"); /* { dg-warning "13:format" "bogus %%" } */
|
||||
/* { dg-warning "15:format" "bogus %%" { target *-*-* } 62 } */
|
||||
printf ("%h%\n"); /* { dg-warning "13:format" "bogus %%" } */
|
||||
/* { dg-warning "15:format" "bogus %%" { target *-*-* } 64 } */
|
||||
/* Valid and invalid %h, %l, %L constructions. */
|
||||
printf ("%hd", i);
|
||||
printf ("%hi", i);
|
||||
@ -67,30 +74,30 @@ foo (int i, int i1, int i2, unsigned int u, double d, char *s, void *p,
|
||||
*/
|
||||
printf ("%ho%hu%hx%hX", u, u, u, u);
|
||||
printf ("%hn", hn);
|
||||
printf ("%hf", d); /* { dg-warning "11:length" "bad use of %h" } */
|
||||
printf ("%he", d); /* { dg-warning "11:length" "bad use of %h" } */
|
||||
printf ("%hE", d); /* { dg-warning "11:length" "bad use of %h" } */
|
||||
printf ("%hg", d); /* { dg-warning "11:length" "bad use of %h" } */
|
||||
printf ("%hG", d); /* { dg-warning "11:length" "bad use of %h" } */
|
||||
printf ("%hc", i); /* { dg-warning "11:length" "bad use of %h" } */
|
||||
printf ("%hs", s); /* { dg-warning "11:length" "bad use of %h" } */
|
||||
printf ("%hp", p); /* { dg-warning "11:length" "bad use of %h" } */
|
||||
printf ("%h"); /* { dg-warning "11:conversion lacks type" "bare %h" } */
|
||||
printf ("%h."); /* { dg-warning "11:conversion" "bogus %h." } */
|
||||
printf ("%ld%li%lo%lu%lx%lX", l, l, ul, ul, ul, ul);
|
||||
printf ("%ln", ln);
|
||||
printf ("%lf", d); /* { dg-warning "11:length|C" "bad use of %l" } */
|
||||
printf ("%le", d); /* { dg-warning "11:length|C" "bad use of %l" } */
|
||||
printf ("%lE", d); /* { dg-warning "11:length|C" "bad use of %l" } */
|
||||
printf ("%lg", d); /* { dg-warning "11:length|C" "bad use of %l" } */
|
||||
printf ("%lG", d); /* { dg-warning "11:length|C" "bad use of %l" } */
|
||||
printf ("%lp", p); /* { dg-warning "11:length|C" "bad use of %l" } */
|
||||
printf (" %hf", d); /* { dg-warning "15:length" "bad use of %h" } */
|
||||
printf (" %he", d); /* { dg-warning "15:length" "bad use of %h" } */
|
||||
printf (" %hE", d); /* { dg-warning "15:length" "bad use of %h" } */
|
||||
printf (" %hg", d); /* { dg-warning "15:length" "bad use of %h" } */
|
||||
printf (" %hG", d); /* { dg-warning "15:length" "bad use of %h" } */
|
||||
printf (" %hc", i); /* { dg-warning "15:length" "bad use of %h" } */
|
||||
printf (" %hs", s); /* { dg-warning "15:length" "bad use of %h" } */
|
||||
printf (" %hp", p); /* { dg-warning "15:length" "bad use of %h" } */
|
||||
printf (" %h"); /* { dg-warning "14:conversion lacks type" "bare %h" } */
|
||||
printf (" %h."); /* { dg-warning "15:conversion" "bogus %h." } */
|
||||
printf (" %ld%li%lo%lu%lx%lX", l, l, ul, ul, ul, ul);
|
||||
printf (" %ln", ln);
|
||||
printf (" %lf", d); /* { dg-warning "15:length|C" "bad use of %l" } */
|
||||
printf (" %le", d); /* { dg-warning "15:length|C" "bad use of %l" } */
|
||||
printf (" %lE", d); /* { dg-warning "15:length|C" "bad use of %l" } */
|
||||
printf (" %lg", d); /* { dg-warning "15:length|C" "bad use of %l" } */
|
||||
printf (" %lG", d); /* { dg-warning "15:length|C" "bad use of %l" } */
|
||||
printf (" %lp", p); /* { dg-warning "15:length|C" "bad use of %l" } */
|
||||
/* These next two were added in C94, but should be objected to in C90.
|
||||
For the first one, GCC has wanted wchar_t instead of the correct C94
|
||||
and C99 wint_t.
|
||||
*/
|
||||
printf ("%lc", lc); /* { dg-warning "11:length|C" "C90 bad use of %l" } */
|
||||
printf ("%ls", ls); /* { dg-warning "11:length|C" "C90 bad use of %l" } */
|
||||
printf ("%lc", lc); /* { dg-warning "14:length|C" "C90 bad use of %l" } */
|
||||
printf ("%ls", ls); /* { dg-warning "14:length|C" "C90 bad use of %l" } */
|
||||
/* These uses of %L are legitimate, though GCC has wrongly warned for
|
||||
them in the past.
|
||||
*/
|
||||
@ -98,63 +105,63 @@ foo (int i, int i1, int i2, unsigned int u, double d, char *s, void *p,
|
||||
/* These next six are accepted by GCC as referring to long long,
|
||||
but -pedantic correctly warns.
|
||||
*/
|
||||
printf ("%Ld", ll); /* { dg-warning "11:does not support" "bad use of %L" } */
|
||||
printf ("%Li", ll); /* { dg-warning "11:does not support" "bad use of %L" } */
|
||||
printf ("%Lo", ull); /* { dg-warning "11:does not support" "bad use of %L" } */
|
||||
printf ("%Lu", ull); /* { dg-warning "11:does not support" "bad use of %L" } */
|
||||
printf ("%Lx", ull); /* { dg-warning "11:does not support" "bad use of %L" } */
|
||||
printf ("%LX", ull); /* { dg-warning "11:does not support" "bad use of %L" } */
|
||||
printf ("%Lc", i); /* { dg-warning "11:length" "bad use of %L" } */
|
||||
printf ("%Ls", s); /* { dg-warning "11:length" "bad use of %L" } */
|
||||
printf ("%Lp", p); /* { dg-warning "11:length" "bad use of %L" } */
|
||||
printf ("%Ln", n); /* { dg-warning "11:length" "bad use of %L" } */
|
||||
printf ("%Ld", ll); /* { dg-warning "14:does not support" "bad use of %L" } */
|
||||
printf ("%Li", ll); /* { dg-warning "14:does not support" "bad use of %L" } */
|
||||
printf ("%Lo", ull); /* { dg-warning "14:does not support" "bad use of %L" } */
|
||||
printf ("%Lu", ull); /* { dg-warning "14:does not support" "bad use of %L" } */
|
||||
printf ("%Lx", ull); /* { dg-warning "14:does not support" "bad use of %L" } */
|
||||
printf ("%LX", ull); /* { dg-warning "14:does not support" "bad use of %L" } */
|
||||
printf ("%Lc", i); /* { dg-warning "14:length" "bad use of %L" } */
|
||||
printf ("%Ls", s); /* { dg-warning "14:length" "bad use of %L" } */
|
||||
printf ("%Lp", p); /* { dg-warning "14:length" "bad use of %L" } */
|
||||
printf ("%Ln", n); /* { dg-warning "14:length" "bad use of %L" } */
|
||||
/* Valid uses of each bare conversion. */
|
||||
printf ("%d%i%o%u%x%X%f%e%E%g%G%c%s%p%n%%", i, i, u, u, u, u, d, d, d, d, d,
|
||||
i, s, p, n);
|
||||
/* Uses of the - flag (valid on all non-%, non-n conversions). */
|
||||
printf ("%-d%-i%-o%-u%-x%-X%-f%-e%-E%-g%-G%-c%-s%-p", i, i, u, u, u, u,
|
||||
d, d, d, d, d, i, s, p);
|
||||
printf ("%-n", n); /* { dg-warning "11:flag" "bad use of %-n" } */
|
||||
printf ("%-n", n); /* { dg-warning "14:flag" "bad use of %-n" } */
|
||||
/* Uses of the + flag (valid on signed conversions only). */
|
||||
printf ("%+d%+i%+f%+e%+E%+g%+G\n", i, i, d, d, d, d, d);
|
||||
printf ("%+o", u); /* { dg-warning "11:flag" "bad use of + flag" } */
|
||||
printf ("%+u", u); /* { dg-warning "11:flag" "bad use of + flag" } */
|
||||
printf ("%+x", u); /* { dg-warning "11:flag" "bad use of + flag" } */
|
||||
printf ("%+X", u); /* { dg-warning "11:flag" "bad use of + flag" } */
|
||||
printf ("%+c", i); /* { dg-warning "11:flag" "bad use of + flag" } */
|
||||
printf ("%+s", s); /* { dg-warning "11:flag" "bad use of + flag" } */
|
||||
printf ("%+p", p); /* { dg-warning "11:flag" "bad use of + flag" } */
|
||||
printf ("%+n", n); /* { dg-warning "11:flag" "bad use of + flag" } */
|
||||
printf ("%+o", u); /* { dg-warning "14:flag" "bad use of + flag" } */
|
||||
printf ("%+u", u); /* { dg-warning "14:flag" "bad use of + flag" } */
|
||||
printf ("%+x", u); /* { dg-warning "14:flag" "bad use of + flag" } */
|
||||
printf ("%+X", u); /* { dg-warning "14:flag" "bad use of + flag" } */
|
||||
printf ("%+c", i); /* { dg-warning "14:flag" "bad use of + flag" } */
|
||||
printf ("%+s", s); /* { dg-warning "14:flag" "bad use of + flag" } */
|
||||
printf ("%+p", p); /* { dg-warning "14:flag" "bad use of + flag" } */
|
||||
printf ("%+n", n); /* { dg-warning "14:flag" "bad use of + flag" } */
|
||||
/* Uses of the space flag (valid on signed conversions only, and ignored
|
||||
with +).
|
||||
*/
|
||||
printf ("% +d", i); /* { dg-warning "11:use of both|ignored" "use of space and + flags" } */
|
||||
printf ("%+ d", i); /* { dg-warning "11:use of both|ignored" "use of space and + flags" } */
|
||||
printf ("% d% i% f% e% E% g% G\n", i, i, d, d, d, d, d);
|
||||
printf ("% o", u); /* { dg-warning "11:flag" "bad use of space flag" } */
|
||||
printf ("% u", u); /* { dg-warning "11:flag" "bad use of space flag" } */
|
||||
printf ("% x", u); /* { dg-warning "11:flag" "bad use of space flag" } */
|
||||
printf ("% X", u); /* { dg-warning "11:flag" "bad use of space flag" } */
|
||||
printf ("% c", i); /* { dg-warning "11:flag" "bad use of space flag" } */
|
||||
printf ("% s", s); /* { dg-warning "11:flag" "bad use of space flag" } */
|
||||
printf ("% p", p); /* { dg-warning "11:flag" "bad use of space flag" } */
|
||||
printf ("% n", n); /* { dg-warning "11:flag" "bad use of space flag" } */
|
||||
printf ("% o", u); /* { dg-warning "14:flag" "bad use of space flag" } */
|
||||
printf ("% u", u); /* { dg-warning "14:flag" "bad use of space flag" } */
|
||||
printf ("% x", u); /* { dg-warning "14:flag" "bad use of space flag" } */
|
||||
printf ("% X", u); /* { dg-warning "14:flag" "bad use of space flag" } */
|
||||
printf ("% c", i); /* { dg-warning "14:flag" "bad use of space flag" } */
|
||||
printf ("% s", s); /* { dg-warning "14:flag" "bad use of space flag" } */
|
||||
printf ("% p", p); /* { dg-warning "14:flag" "bad use of space flag" } */
|
||||
printf ("% n", n); /* { dg-warning "14:flag" "bad use of space flag" } */
|
||||
/* Uses of the # flag. */
|
||||
printf ("%#o%#x%#X%#e%#E%#f%#g%#G", u, u, u, d, d, d, d, d);
|
||||
printf ("%#d", i); /* { dg-warning "11:flag" "bad use of # flag" } */
|
||||
printf ("%#i", i); /* { dg-warning "11:flag" "bad use of # flag" } */
|
||||
printf ("%#u", u); /* { dg-warning "11:flag" "bad use of # flag" } */
|
||||
printf ("%#c", i); /* { dg-warning "11:flag" "bad use of # flag" } */
|
||||
printf ("%#s", s); /* { dg-warning "11:flag" "bad use of # flag" } */
|
||||
printf ("%#p", p); /* { dg-warning "11:flag" "bad use of # flag" } */
|
||||
printf ("%#n", n); /* { dg-warning "11:flag" "bad use of # flag" } */
|
||||
printf ("%#d", i); /* { dg-warning "14:flag" "bad use of # flag" } */
|
||||
printf ("%#i", i); /* { dg-warning "14:flag" "bad use of # flag" } */
|
||||
printf ("%#u", u); /* { dg-warning "14:flag" "bad use of # flag" } */
|
||||
printf ("%#c", i); /* { dg-warning "14:flag" "bad use of # flag" } */
|
||||
printf ("%#s", s); /* { dg-warning "14:flag" "bad use of # flag" } */
|
||||
printf ("%#p", p); /* { dg-warning "14:flag" "bad use of # flag" } */
|
||||
printf ("%#n", n); /* { dg-warning "14:flag" "bad use of # flag" } */
|
||||
/* Uses of the 0 flag. */
|
||||
printf ("%08d%08i%08o%08u%08x%08X%08e%08E%08f%08g%08G", i, i, u, u, u, u,
|
||||
d, d, d, d, d);
|
||||
printf ("%0c", i); /* { dg-warning "11:flag" "bad use of 0 flag" } */
|
||||
printf ("%0s", s); /* { dg-warning "11:flag" "bad use of 0 flag" } */
|
||||
printf ("%0p", p); /* { dg-warning "11:flag" "bad use of 0 flag" } */
|
||||
printf ("%0n", n); /* { dg-warning "11:flag" "bad use of 0 flag" } */
|
||||
printf ("%0c", i); /* { dg-warning "14:flag" "bad use of 0 flag" } */
|
||||
printf ("%0s", s); /* { dg-warning "14:flag" "bad use of 0 flag" } */
|
||||
printf ("%0p", p); /* { dg-warning "14:flag" "bad use of 0 flag" } */
|
||||
printf ("%0n", n); /* { dg-warning "14:flag" "bad use of 0 flag" } */
|
||||
/* 0 flag ignored with precision for certain types, not others. */
|
||||
printf ("%08.5d", i); /* { dg-warning "11:ignored" "0 flag ignored with precision" } */
|
||||
printf ("%08.5i", i); /* { dg-warning "11:ignored" "0 flag ignored with precision" } */
|
||||
@ -176,13 +183,13 @@ foo (int i, int i1, int i2, unsigned int u, double d, char *s, void *p,
|
||||
printf ("%-08g", d); /* { dg-warning "11:flags|ignored" "0 flag ignored with - flag" } */
|
||||
printf ("%-08G", d); /* { dg-warning "11:flags|ignored" "0 flag ignored with - flag" } */
|
||||
/* Various tests of bad argument types. */
|
||||
printf ("%d", l); /* { dg-warning "11:format" "bad argument types" } */
|
||||
printf ("%*.*d", l, i2, i); /* { dg-warning "11:field" "bad * argument types" } */
|
||||
printf ("%*.*d", i1, l, i); /* { dg-warning "11:field" "bad * argument types" } */
|
||||
printf ("%ld", i); /* { dg-warning "11:format" "bad argument types" } */
|
||||
printf ("%s", n); /* { dg-warning "11:format" "bad argument types" } */
|
||||
printf ("%p", i); /* { dg-warning "11:format" "bad argument types" } */
|
||||
printf ("%n", p); /* { dg-warning "11:format" "bad argument types" } */
|
||||
printf ("%d", l); /* { dg-warning "13:format" "bad argument types" } */
|
||||
printf ("%*.*d", l, i2, i); /* { dg-warning "13:field" "bad * argument types" } */
|
||||
printf ("%*.*d", i1, l, i); /* { dg-warning "15:field" "bad * argument types" } */
|
||||
printf ("%ld", i); /* { dg-warning "14:format" "bad argument types" } */
|
||||
printf ("%s", n); /* { dg-warning "13:format" "bad argument types" } */
|
||||
printf ("%p", i); /* { dg-warning "13:format" "bad argument types" } */
|
||||
printf ("%n", p); /* { dg-warning "13:format" "bad argument types" } */
|
||||
/* With -pedantic, we want some further checks for pointer targets:
|
||||
%p should allow only pointers to void (possibly qualified) and
|
||||
to character types (possibly qualified), but not function pointers
|
||||
@ -196,9 +203,9 @@ foo (int i, int i1, int i2, unsigned int u, double d, char *s, void *p,
|
||||
char * or unsigned char * being passed to %hhn, even if strictly
|
||||
legitimate by the standard.)
|
||||
*/
|
||||
printf ("%p", foo); /* { dg-warning "11:format" "bad argument types" } */
|
||||
printf ("%n", un); /* { dg-warning "11:format" "bad argument types" } */
|
||||
printf ("%p", n); /* { dg-warning "11:format" "bad argument types" } */
|
||||
printf ("%p", foo); /* { dg-warning "13:format" "bad argument types" } */
|
||||
printf ("%n", un); /* { dg-warning "13:format" "bad argument types" } */
|
||||
printf ("%p", n); /* { dg-warning "13:format" "bad argument types" } */
|
||||
/* Allow character pointers with %p. */
|
||||
printf ("%p%p%p%p", s, ss, us, css);
|
||||
/* %s allows any character type. */
|
||||
@ -207,7 +214,7 @@ foo (int i, int i1, int i2, unsigned int u, double d, char *s, void *p,
|
||||
and seems useful to keep, even if some standard versions might be
|
||||
read to permit it.
|
||||
*/
|
||||
printf ("%s", p); /* { dg-warning "11:format" "bad argument types" } */
|
||||
printf ("%s", p); /* { dg-warning "13:format" "bad argument types" } */
|
||||
/* The historical behavior is to allow signed / unsigned types
|
||||
interchangeably as arguments. For values representable in both types,
|
||||
such usage may be correct. For now preserve the behavior of GCC
|
||||
@ -220,18 +227,22 @@ foo (int i, int i1, int i2, unsigned int u, double d, char *s, void *p,
|
||||
*/
|
||||
printf ("%*.*d", u1, u2, i);
|
||||
/* Wrong number of arguments. */
|
||||
printf ("%d%d", i); /* { dg-warning "11:matching" "wrong number of args" } */
|
||||
printf ("%d%d", i); /* { dg-warning "15:matching" "wrong number of args" } */
|
||||
printf ("%d", i, i); /* { dg-warning "11:arguments" "wrong number of args" } */
|
||||
/* Miscellaneous bogus constructions. */
|
||||
printf (""); /* { dg-warning "11:zero-length" "warning for empty format" } */
|
||||
printf ("\0"); /* { dg-warning "11:embedded" "warning for embedded NUL" } */
|
||||
printf ("%d\0", i); /* { dg-warning "11:embedded" "warning for embedded NUL" } */
|
||||
printf ("%d\0%d", i, i); /* { dg-warning "11:embedded|too many" "warning for embedded NUL" } */
|
||||
printf ("\0"); /* { dg-warning "12:embedded" "warning for embedded NUL" } */
|
||||
printf ("%d\0", i); /* { dg-warning "14:embedded" "warning for embedded NUL" } */
|
||||
printf ("%d\0%d", i, i); /* { dg-warning "embedded|too many" "warning for embedded NUL" } */
|
||||
printf (NULL); /* { dg-warning "3:null" "null format string warning" } */
|
||||
printf ("%"); /* { dg-warning "11:trailing" "trailing % warning" } */
|
||||
printf ("%++d", i); /* { dg-warning "11:repeated" "repeated flag warning" } */
|
||||
printf ("%"); /* { dg-warning "12:trailing" "trailing % warning" } */
|
||||
printf ("%++d", i); /* { dg-warning "14:repeated" "repeated flag warning" } */
|
||||
printf ("%n", cn); /* { dg-warning "3:constant" "%n with const" } */
|
||||
printf ((const char *)L"foo"); /* { dg-warning "25:wide" "wide string" } */
|
||||
printf ("%n", (int *)0); /* { dg-warning "3:null" "%n with NULL" } */
|
||||
printf ("%s", (char *)0); /* { dg-warning "3:null" "%s with NULL" } */
|
||||
/* Test for correct column locations within strings with embedded
|
||||
escape sequences. */
|
||||
printf ("\\\a\n \"\t%5n\n", n); /* { dg-warning "25:width" "width with %n" } */
|
||||
printf ("\\a\\n%5n\n", n); /* { dg-warning "20:width" "width with %n" } */
|
||||
}
|
||||
|
||||
@ -15,7 +15,7 @@ f (void)
|
||||
/* Should get format warnings even though the built-in declaration
|
||||
isn't "visible". */
|
||||
printf (
|
||||
"%s", 1); /* { dg-warning "6:format" } */
|
||||
"%s", 1); /* { dg-warning "8:format" } */
|
||||
/* The type of strcmp here should have no prototype. */
|
||||
if (0)
|
||||
strcmp (1);
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user