mirror of
git://gcc.gnu.org/git/gcc.git
synced 2025-03-08 15:37:20 +08:00
c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and CTI_UNSIGNED_PTRDIFF_TYPE.
* c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and CTI_UNSIGNED_PTRDIFF_TYPE. (signed_size_type_node): Define. (unsigned_ptrdiff_type_node): Define. * c-decl.c (init_decl_processing): Create the signed_size_type_node and unsigned_ptrdiff_type_node types. * c-common.c (T_SC): Define. (T_SST): Define. (T_UPD): Define. (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for %s and %p. (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the flags for %c, %s and %[. (check_format_info): Only allow leniency for signedness of targets of character pointers (when pedantic) for formats flagged with "c", so for strings but not for %hh formats. When pedantic, don't allow character pointers to substitute for void pointers if a second level of indirection is present. testsuite: * gcc.dg/c99-printf-1.c: New test. From-SVN: r35530
This commit is contained in:
Joseph Myers
Joseph Myers
parent
470fc13d5b
commit
cd7324181a
@ -1,3 +1,26 @@
|
||||
2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
|
||||
|
||||
* c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
|
||||
CTI_UNSIGNED_PTRDIFF_TYPE.
|
||||
(signed_size_type_node): Define.
|
||||
(unsigned_ptrdiff_type_node): Define.
|
||||
* c-decl.c (init_decl_processing): Create the
|
||||
signed_size_type_node and unsigned_ptrdiff_type_node types.
|
||||
* c-common.c (T_SC): Define.
|
||||
(T_SST): Define.
|
||||
(T_UPD): Define.
|
||||
(print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
|
||||
%to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
|
||||
%s and %p.
|
||||
(scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
|
||||
%zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
|
||||
flags for %c, %s and %[.
|
||||
(check_format_info): Only allow leniency for signedness of targets
|
||||
of character pointers (when pedantic) for formats flagged with
|
||||
"c", so for strings but not for %hh formats. When pedantic, don't
|
||||
allow character pointers to substitute for void pointers if a
|
||||
second level of indirection is present.
|
||||
|
||||
2000-08-06 Kazu Hirata <kazu@hxi.com>
|
||||
|
||||
* invoke.texi (Options for Debugging Your Program or GCC): Update
|
||||
|
||||
@ -1190,12 +1190,15 @@ strip_attrs (specs_attrs)
|
||||
#define T_D &double_type_node
|
||||
#define T_LD &long_double_type_node
|
||||
#define T_C &char_type_node
|
||||
#define T_SC &signed_char_type_node
|
||||
#define T_UC &unsigned_char_type_node
|
||||
#define T_V &void_type_node
|
||||
#define T_W &wchar_type_node
|
||||
#define T_WI &wint_type_node
|
||||
#define T_ST &sizetype
|
||||
#define T_SST &signed_size_type_node
|
||||
#define T_PD &ptrdiff_type_node
|
||||
#define T_UPD &unsigned_ptrdiff_type_node
|
||||
#define T_IM NULL /* intmax_t not yet implemented. */
|
||||
#define T_UIM NULL /* uintmax_t not yet implemented. */
|
||||
|
||||
@ -1233,33 +1236,33 @@ typedef struct {
|
||||
} format_char_info;
|
||||
|
||||
static format_char_info print_char_table[] = {
|
||||
{ "di", 0, T_I, T_I, T_I, T_L, T_LL, T_LL, T_ST, T_PD, T_IM, "-wp0 +'" },
|
||||
{ "oxX", 0, T_UI, T_UI, T_UI, T_UL, T_ULL, T_ULL, T_ST, T_PD, T_UIM, "-wp0#" },
|
||||
{ "u", 0, T_UI, T_UI, T_UI, T_UL, T_ULL, T_ULL, T_ST, T_PD, T_UIM, "-wp0'" },
|
||||
{ "di", 0, T_I, T_I, T_I, T_L, T_LL, T_LL, T_SST, T_PD, T_IM, "-wp0 +'" },
|
||||
{ "oxX", 0, T_UI, T_UI, T_UI, T_UL, T_ULL, T_ULL, T_ST, T_UPD, T_UIM, "-wp0#" },
|
||||
{ "u", 0, T_UI, T_UI, T_UI, T_UL, T_ULL, T_ULL, T_ST, T_UPD, T_UIM, "-wp0'" },
|
||||
/* A GNU extension. */
|
||||
{ "m", 0, T_V, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, "-wp" },
|
||||
{ "fFgG", 0, T_D, NULL, NULL, T_D, NULL, T_LD, NULL, NULL, NULL, "-wp0 +#'" },
|
||||
{ "eEaA", 0, T_D, NULL, NULL, T_D, NULL, T_LD, NULL, NULL, NULL, "-wp0 +#" },
|
||||
{ "c", 0, T_I, NULL, NULL, T_WI, NULL, NULL, NULL, NULL, NULL, "-w" },
|
||||
{ "C", 0, T_WI, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, "-w" },
|
||||
{ "s", 1, T_C, NULL, NULL, T_W, NULL, NULL, NULL, NULL, NULL, "-wp" },
|
||||
{ "s", 1, T_C, NULL, NULL, T_W, NULL, NULL, NULL, NULL, NULL, "-wpc" },
|
||||
{ "S", 1, T_W, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, "-wp" },
|
||||
{ "p", 1, T_V, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, "-w" },
|
||||
{ "n", 1, T_I, NULL, T_S, T_L, T_LL, NULL, T_ST, T_PD, T_IM, "" },
|
||||
{ "p", 1, T_V, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, "-wc" },
|
||||
{ "n", 1, T_I, T_SC, T_S, T_L, T_LL, NULL, T_SST, T_PD, T_IM, "" },
|
||||
{ NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL }
|
||||
};
|
||||
|
||||
static format_char_info scan_char_table[] = {
|
||||
{ "di", 1, T_I, T_C, T_S, T_L, T_LL, T_LL, T_ST, T_PD, T_IM, "*" },
|
||||
{ "ouxX", 1, T_UI, T_UC, T_US, T_UL, T_ULL, T_ULL, T_ST, T_PD, T_UIM, "*" },
|
||||
{ "di", 1, T_I, T_SC, T_S, T_L, T_LL, T_LL, T_SST, T_PD, T_IM, "*" },
|
||||
{ "ouxX", 1, T_UI, T_UC, T_US, T_UL, T_ULL, T_ULL, T_ST, T_UPD, T_UIM, "*" },
|
||||
{ "efFgEGaA", 1, T_F, NULL, NULL, T_D, NULL, T_LD, NULL, NULL, NULL, "*" },
|
||||
{ "c", 1, T_C, NULL, NULL, T_W, NULL, NULL, NULL, NULL, NULL, "*" },
|
||||
{ "s", 1, T_C, NULL, NULL, T_W, NULL, NULL, NULL, NULL, NULL, "*a" },
|
||||
{ "[", 1, T_C, NULL, NULL, T_W, NULL, NULL, NULL, NULL, NULL, "*a" },
|
||||
{ "c", 1, T_C, NULL, NULL, T_W, NULL, NULL, NULL, NULL, NULL, "*c" },
|
||||
{ "s", 1, T_C, NULL, NULL, T_W, NULL, NULL, NULL, NULL, NULL, "*ac" },
|
||||
{ "[", 1, T_C, NULL, NULL, T_W, NULL, NULL, NULL, NULL, NULL, "*ac" },
|
||||
{ "C", 1, T_W, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, "*" },
|
||||
{ "S", 1, T_W, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, "*a" },
|
||||
{ "p", 2, T_V, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, "*" },
|
||||
{ "n", 1, T_I, T_C, T_S, T_L, T_LL, NULL, T_ST, T_PD, T_IM, "" },
|
||||
{ "n", 1, T_I, T_SC, T_S, T_L, T_LL, NULL, T_SST, T_PD, T_IM, "" },
|
||||
{ NULL, 0, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL }
|
||||
};
|
||||
|
||||
@ -2074,8 +2077,10 @@ check_format_info (info, params)
|
||||
|| (DECL_P (cur_param) && TREE_READONLY (cur_param))))))
|
||||
warning ("writing into constant object (arg %d)", arg_num);
|
||||
|
||||
/* Check whether the argument type is a character type. */
|
||||
if (TREE_CODE (cur_type) != ERROR_MARK)
|
||||
/* Check whether the argument type is a character type. This leniency
|
||||
only applies to certain formats, flagged with 'c'.
|
||||
*/
|
||||
if (TREE_CODE (cur_type) != ERROR_MARK && index (fci->flag_chars, 'c') != 0)
|
||||
char_type_flag = (TYPE_MAIN_VARIANT (cur_type) == char_type_node
|
||||
|| TYPE_MAIN_VARIANT (cur_type) == signed_char_type_node
|
||||
|| TYPE_MAIN_VARIANT (cur_type) == unsigned_char_type_node);
|
||||
@ -2093,7 +2098,7 @@ check_format_info (info, params)
|
||||
&& fci->pointer_count > 0
|
||||
&& (! pedantic
|
||||
|| TYPE_MAIN_VARIANT (cur_type) == void_type_node
|
||||
|| char_type_flag))
|
||||
|| (i == 1 && char_type_flag)))
|
||||
/* Don't warn about differences merely in signedness, unless
|
||||
-pedantic. With -pedantic, warn if the type is a pointer
|
||||
target and not a character type, and for character types at
|
||||
@ -2109,8 +2114,7 @@ check_format_info (info, params)
|
||||
equivalent but the above test won't consider them equivalent. */
|
||||
&& ! (wanted_type == char_type_node
|
||||
&& (! pedantic || i < 2)
|
||||
&& (TYPE_MAIN_VARIANT (cur_type) == signed_char_type_node
|
||||
|| TYPE_MAIN_VARIANT (cur_type) == unsigned_char_type_node)))
|
||||
&& char_type_flag))
|
||||
{
|
||||
register const char *this;
|
||||
register const char *that;
|
||||
|
||||
@ -92,6 +92,8 @@ enum c_tree_index
|
||||
CTI_SIGNED_WCHAR_TYPE,
|
||||
CTI_UNSIGNED_WCHAR_TYPE,
|
||||
CTI_WINT_TYPE,
|
||||
CTI_SIGNED_SIZE_TYPE, /* For format checking only. */
|
||||
CTI_UNSIGNED_PTRDIFF_TYPE, /* For format checking only. */
|
||||
CTI_WIDEST_INT_LIT_TYPE,
|
||||
CTI_WIDEST_UINT_LIT_TYPE,
|
||||
|
||||
@ -124,6 +126,8 @@ enum c_tree_index
|
||||
#define signed_wchar_type_node c_global_trees[CTI_SIGNED_WCHAR_TYPE]
|
||||
#define unsigned_wchar_type_node c_global_trees[CTI_UNSIGNED_WCHAR_TYPE]
|
||||
#define wint_type_node c_global_trees[CTI_WINT_TYPE]
|
||||
#define signed_size_type_node c_global_trees[CTI_SIGNED_SIZE_TYPE]
|
||||
#define unsigned_ptrdiff_type_node c_global_trees[CTI_UNSIGNED_PTRDIFF_TYPE]
|
||||
#define widest_integer_literal_type_node c_global_trees[CTI_WIDEST_INT_LIT_TYPE]
|
||||
#define widest_unsigned_literal_type_node c_global_trees[CTI_WIDEST_UINT_LIT_TYPE]
|
||||
|
||||
|
||||
@ -3003,6 +3003,7 @@ init_decl_processing ()
|
||||
Note that stddef.h uses `unsigned long',
|
||||
and this must agree, even if long and int are the same size. */
|
||||
t = TREE_TYPE (IDENTIFIER_GLOBAL_VALUE (get_identifier (SIZE_TYPE)));
|
||||
signed_size_type_node = signed_type (t);
|
||||
if (flag_traditional && TREE_UNSIGNED (t))
|
||||
t = signed_type (t);
|
||||
|
||||
@ -3086,6 +3087,7 @@ init_decl_processing ()
|
||||
= build_function_type (integer_type_node, NULL_TREE);
|
||||
ptrdiff_type_node
|
||||
= TREE_TYPE (IDENTIFIER_GLOBAL_VALUE (get_identifier (PTRDIFF_TYPE)));
|
||||
unsigned_ptrdiff_type_node = unsigned_type (ptrdiff_type_node);
|
||||
|
||||
c_common_nodes_and_builtins (0, flag_no_builtin, flag_no_nonansi_builtin);
|
||||
|
||||
|
||||
@ -1,3 +1,7 @@
|
||||
2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
|
||||
|
||||
* gcc.dg/c99-printf-1.c: New test.
|
||||
|
||||
2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
|
||||
|
||||
* gcc.c-torture/execute/20000801-4.x: Only xfail on x86.
|
||||
|
||||
217
gcc/testsuite/gcc.dg/c99-printf-1.c
Normal file
217
gcc/testsuite/gcc.dg/c99-printf-1.c
Normal file
@ -0,0 +1,217 @@
|
||||
/* Test for printf formats. Formats using C99 features, including cases
|
||||
where C99 specifies some aspect of the format to be ignored or where
|
||||
the behaviour is undefined.
|
||||
*/
|
||||
/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
|
||||
/* { dg-do compile } */
|
||||
/* { dg-options "-std=iso9899:1999 -pedantic -Wformat" } */
|
||||
|
||||
typedef __WCHAR_TYPE__ wchar_t;
|
||||
typedef __WINT_TYPE__ wint_t;
|
||||
typedef __SIZE_TYPE__ size_t;
|
||||
typedef __PTRDIFF_TYPE__ ptrdiff_t;
|
||||
|
||||
/* Kludge to get signed type corresponding to size_t. */
|
||||
#define unsigned signed
|
||||
typedef __SIZE_TYPE__ signed_size_t;
|
||||
#undef unsigned
|
||||
|
||||
/* These next definitions are broken. When GCC has a <stdint.h> and
|
||||
an internal understanding of intmax_t and uintmax_t, they should be
|
||||
replaced by an include of <stdint.h> or by definitions for internal
|
||||
macros or typedefs, and the corresponding xfails removed.
|
||||
*/
|
||||
typedef long long int intmax_t;
|
||||
typedef unsigned long long int uintmax_t;
|
||||
|
||||
extern int printf (const char *, ...);
|
||||
|
||||
#define NULL ((void *)0)
|
||||
|
||||
void
|
||||
foo (int i, unsigned int u, double d, char *s, void *p, int *n,
|
||||
long double ld, wint_t lc, wchar_t *ls, long long int ll,
|
||||
unsigned long long int ull, signed char *ss, unsigned char *us,
|
||||
long long int *lln, intmax_t j, uintmax_t uj, intmax_t *jn,
|
||||
size_t z, signed_size_t sz, signed_size_t *zn,
|
||||
ptrdiff_t t, ptrdiff_t *tn)
|
||||
{
|
||||
/* See ISO/IEC 9899:1999 (E) subclause 7.19.6.1 (pages 273-281).
|
||||
We do not repeat here most of the checks for correct C90 formats
|
||||
or completely broken formats.
|
||||
*/
|
||||
/* Valid and invalid %h, %hh, %l, %ll, %j, %z, %t, %L constructions. */
|
||||
printf ("%hf", d); /* { dg-warning "length character" "bad use of %h" } */
|
||||
printf ("%hF", d); /* { dg-warning "length character" "bad use of %h" } */
|
||||
printf ("%he", d); /* { dg-warning "length character" "bad use of %h" } */
|
||||
printf ("%hE", d); /* { dg-warning "length character" "bad use of %h" } */
|
||||
printf ("%hg", d); /* { dg-warning "length character" "bad use of %h" } */
|
||||
printf ("%hG", d); /* { dg-warning "length character" "bad use of %h" } */
|
||||
printf ("%ha", d); /* { dg-warning "length character" "bad use of %h" } */
|
||||
printf ("%hA", d); /* { dg-warning "length character" "bad use of %h" } */
|
||||
printf ("%hc", i); /* { dg-warning "length character" "bad use of %h" } */
|
||||
printf ("%hs", s); /* { dg-warning "length character" "bad use of %h" } */
|
||||
printf ("%hp", p); /* { dg-warning "length character" "bad use of %h" } */
|
||||
printf ("%hhd%hhi%hho%hhu%hhx%hhX", i, i, u, u, u, u);
|
||||
printf ("%hhn", ss);
|
||||
printf ("%hhf", d); /* { dg-warning "length character" "bad use of %hh" } */
|
||||
printf ("%hhF", d); /* { dg-warning "length character" "bad use of %hh" } */
|
||||
printf ("%hhe", d); /* { dg-warning "length character" "bad use of %hh" } */
|
||||
printf ("%hhE", d); /* { dg-warning "length character" "bad use of %hh" } */
|
||||
printf ("%hhg", d); /* { dg-warning "length character" "bad use of %hh" } */
|
||||
printf ("%hhG", d); /* { dg-warning "length character" "bad use of %hh" } */
|
||||
printf ("%hha", d); /* { dg-warning "length character" "bad use of %hh" } */
|
||||
printf ("%hhA", d); /* { dg-warning "length character" "bad use of %hh" } */
|
||||
printf ("%hhc", i); /* { dg-warning "length character" "bad use of %hh" } */
|
||||
printf ("%hhs", s); /* { dg-warning "length character" "bad use of %hh" } */
|
||||
printf ("%hhp", p); /* { dg-warning "length character" "bad use of %hh" } */
|
||||
printf ("%lc", lc);
|
||||
printf ("%ls", ls);
|
||||
printf ("%lf%lF%le%lE%lg%lG%la%lA", d, d, d, d, d, d, d, d);
|
||||
printf ("%lp", p); /* { dg-warning "length character|C" "bad use of %l" } */
|
||||
printf ("%lld%lli%llo%llu%llx%llX", ll, ll, ull, ull, ull, ull);
|
||||
printf ("%lln", lln);
|
||||
printf ("%llf", d); /* { dg-warning "length character" "bad use of %ll" } */
|
||||
printf ("%llF", d); /* { dg-warning "length character" "bad use of %ll" } */
|
||||
printf ("%lle", d); /* { dg-warning "length character" "bad use of %ll" } */
|
||||
printf ("%llE", d); /* { dg-warning "length character" "bad use of %ll" } */
|
||||
printf ("%llg", d); /* { dg-warning "length character" "bad use of %ll" } */
|
||||
printf ("%llG", d); /* { dg-warning "length character" "bad use of %ll" } */
|
||||
printf ("%lla", d); /* { dg-warning "length character" "bad use of %ll" } */
|
||||
printf ("%llA", d); /* { dg-warning "length character" "bad use of %ll" } */
|
||||
printf ("%llc", i); /* { dg-warning "length character" "bad use of %ll" } */
|
||||
printf ("%lls", s); /* { dg-warning "length character" "bad use of %ll" } */
|
||||
printf ("%llp", p); /* { dg-warning "length character" "bad use of %ll" } */
|
||||
printf ("%jd%ji%jo%ju%jx%jX", j, j, uj, uj, uj, uj); /* { dg-bogus "length character" "bogus %j warning" { xfail *-*-* } } */
|
||||
printf ("%jn", jn); /* { dg-bogus "length character" "bogus %j warning" { xfail *-*-* } } */
|
||||
printf ("%jf", d); /* { dg-warning "length character" "bad use of %j" } */
|
||||
printf ("%jF", d); /* { dg-warning "length character" "bad use of %j" } */
|
||||
printf ("%je", d); /* { dg-warning "length character" "bad use of %j" } */
|
||||
printf ("%jE", d); /* { dg-warning "length character" "bad use of %j" } */
|
||||
printf ("%jg", d); /* { dg-warning "length character" "bad use of %j" } */
|
||||
printf ("%jG", d); /* { dg-warning "length character" "bad use of %j" } */
|
||||
printf ("%ja", d); /* { dg-warning "length character" "bad use of %j" } */
|
||||
printf ("%jA", d); /* { dg-warning "length character" "bad use of %j" } */
|
||||
printf ("%jc", i); /* { dg-warning "length character" "bad use of %j" } */
|
||||
printf ("%js", s); /* { dg-warning "length character" "bad use of %j" } */
|
||||
printf ("%jp", p); /* { dg-warning "length character" "bad use of %j" } */
|
||||
printf ("%zd%zi%zo%zu%zx%zX", sz, sz, z, z, z, z);
|
||||
printf ("%zn", zn);
|
||||
printf ("%zf", d); /* { dg-warning "length character" "bad use of %z" } */
|
||||
printf ("%zF", d); /* { dg-warning "length character" "bad use of %z" } */
|
||||
printf ("%ze", d); /* { dg-warning "length character" "bad use of %z" } */
|
||||
printf ("%zE", d); /* { dg-warning "length character" "bad use of %z" } */
|
||||
printf ("%zg", d); /* { dg-warning "length character" "bad use of %z" } */
|
||||
printf ("%zG", d); /* { dg-warning "length character" "bad use of %z" } */
|
||||
printf ("%za", d); /* { dg-warning "length character" "bad use of %z" } */
|
||||
printf ("%zA", d); /* { dg-warning "length character" "bad use of %z" } */
|
||||
printf ("%zc", i); /* { dg-warning "length character" "bad use of %z" } */
|
||||
printf ("%zs", s); /* { dg-warning "length character" "bad use of %z" } */
|
||||
printf ("%zp", p); /* { dg-warning "length character" "bad use of %z" } */
|
||||
printf ("%td%ti%to%tu%tx%tX", t, t, t, t, t, t);
|
||||
printf ("%tn", tn);
|
||||
printf ("%tf", d); /* { dg-warning "length character" "bad use of %t" } */
|
||||
printf ("%tF", d); /* { dg-warning "length character" "bad use of %t" } */
|
||||
printf ("%te", d); /* { dg-warning "length character" "bad use of %t" } */
|
||||
printf ("%tE", d); /* { dg-warning "length character" "bad use of %t" } */
|
||||
printf ("%tg", d); /* { dg-warning "length character" "bad use of %t" } */
|
||||
printf ("%tG", d); /* { dg-warning "length character" "bad use of %t" } */
|
||||
printf ("%ta", d); /* { dg-warning "length character" "bad use of %t" } */
|
||||
printf ("%tA", d); /* { dg-warning "length character" "bad use of %t" } */
|
||||
printf ("%tc", i); /* { dg-warning "length character" "bad use of %t" } */
|
||||
printf ("%ts", s); /* { dg-warning "length character" "bad use of %t" } */
|
||||
printf ("%tp", p); /* { dg-warning "length character" "bad use of %t" } */
|
||||
printf ("%Le%LE%Lf%LF%Lg%LG%La%LA", ld, ld, ld, ld, ld, ld, ld, ld);
|
||||
/* These next six are accepted by GCC as referring to long long,
|
||||
but -pedantic correctly warns.
|
||||
*/
|
||||
printf ("%Ld", ll); /* { dg-warning "does not support" "bad use of %L" } */
|
||||
printf ("%Li", ll); /* { dg-warning "does not support" "bad use of %L" } */
|
||||
printf ("%Lo", ull); /* { dg-warning "does not support" "bad use of %L" } */
|
||||
printf ("%Lu", ull); /* { dg-warning "does not support" "bad use of %L" } */
|
||||
printf ("%Lx", ull); /* { dg-warning "does not support" "bad use of %L" } */
|
||||
printf ("%LX", ull); /* { dg-warning "does not support" "bad use of %L" } */
|
||||
printf ("%Lc", i); /* { dg-warning "length character" "bad use of %L" } */
|
||||
printf ("%Ls", s); /* { dg-warning "length character" "bad use of %L" } */
|
||||
printf ("%Lp", p); /* { dg-warning "length character" "bad use of %L" } */
|
||||
printf ("%Ln", n); /* { dg-warning "length character" "bad use of %L" } */
|
||||
/* Valid uses of each bare conversion. */
|
||||
printf ("%d%i%o%u%x%X%f%F%e%E%g%G%a%A%c%s%p%n%%", i, i, u, u, u, u,
|
||||
d, d, d, 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%-F%-e%-E%-g%-G%-a%-A%-c%-s%-p", i, i,
|
||||
u, u, u, u, d, d, d, d, d, d, d, d, i, s, p);
|
||||
printf ("%-n", n); /* { dg-warning "flag" "bad use of %-n" } */
|
||||
/* Uses of the + flag (valid on signed conversions only). */
|
||||
printf ("%+d%+i%+f%+F%+e%+E%+g%+G%+a%+A\n", i, i, d, d, d, d, d, d, d, d);
|
||||
printf ("%+o", u); /* { dg-warning "flag" "bad use of + flag" } */
|
||||
printf ("%+u", u); /* { dg-warning "flag" "bad use of + flag" } */
|
||||
printf ("%+x", u); /* { dg-warning "flag" "bad use of + flag" } */
|
||||
printf ("%+X", u); /* { dg-warning "flag" "bad use of + flag" } */
|
||||
printf ("%+c", i); /* { dg-warning "flag" "bad use of + flag" } */
|
||||
printf ("%+s", s); /* { dg-warning "flag" "bad use of + flag" } */
|
||||
printf ("%+p", p); /* { dg-warning "flag" "bad use of + flag" } */
|
||||
printf ("%+n", n); /* { dg-warning "flag" "bad use of + flag" } */
|
||||
/* Uses of the space flag (valid on signed conversions only, and ignored
|
||||
with +).
|
||||
*/
|
||||
printf ("% +d", i); /* { dg-warning "use of both" "use of space and + flags" } */
|
||||
printf ("%+ d", i); /* { dg-warning "use of both" "use of space and + flags" } */
|
||||
printf ("% d% i% f% F% e% E% g% G% a% A\n", i, i, d, d, d, d, d, d, d, d);
|
||||
printf ("% o", u); /* { dg-warning "flag" "bad use of space flag" } */
|
||||
printf ("% u", u); /* { dg-warning "flag" "bad use of space flag" } */
|
||||
printf ("% x", u); /* { dg-warning "flag" "bad use of space flag" } */
|
||||
printf ("% X", u); /* { dg-warning "flag" "bad use of space flag" } */
|
||||
printf ("% c", i); /* { dg-warning "flag" "bad use of space flag" } */
|
||||
printf ("% s", s); /* { dg-warning "flag" "bad use of space flag" } */
|
||||
printf ("% p", p); /* { dg-warning "flag" "bad use of space flag" } */
|
||||
printf ("% n", n); /* { dg-warning "flag" "bad use of space flag" } */
|
||||
/* Uses of the # flag. */
|
||||
printf ("%#o%#x%#X%#e%#E%#f%#F%#g%#G%#a%#A", u, u, u, d, d, d, d,
|
||||
d, d, d, d);
|
||||
printf ("%#d", i); /* { dg-warning "flag" "bad use of # flag" } */
|
||||
printf ("%#i", i); /* { dg-warning "flag" "bad use of # flag" } */
|
||||
printf ("%#u", u); /* { dg-warning "flag" "bad use of # flag" } */
|
||||
printf ("%#c", i); /* { dg-warning "flag" "bad use of # flag" } */
|
||||
printf ("%#s", s); /* { dg-warning "flag" "bad use of # flag" } */
|
||||
printf ("%#p", p); /* { dg-warning "flag" "bad use of # flag" } */
|
||||
printf ("%#n", n); /* { dg-warning "flag" "bad use of # flag" } */
|
||||
/* Uses of the 0 flag. */
|
||||
printf ("%08d%08i%08o%08u%08x%08X%08e%08E%08f%08F%08g%08G%08a%08A", i, i,
|
||||
u, u, u, u, d, d, d, d, d, d, d, d);
|
||||
printf ("%0c", i); /* { dg-warning "flag" "bad use of 0 flag" } */
|
||||
printf ("%0s", s); /* { dg-warning "flag" "bad use of 0 flag" } */
|
||||
printf ("%0p", p); /* { dg-warning "flag" "bad use of 0 flag" } */
|
||||
printf ("%0n", n); /* { dg-warning "flag" "bad use of 0 flag" } */
|
||||
/* 0 flag ignored with precision for certain types, not others. */
|
||||
printf ("%08.5d", i); /* { dg-warning "ignored" "0 flag ignored with precision" } */
|
||||
printf ("%08.5i", i); /* { dg-warning "ignored" "0 flag ignored with precision" } */
|
||||
printf ("%08.5o", u); /* { dg-warning "ignored" "0 flag ignored with precision" } */
|
||||
printf ("%08.5u", u); /* { dg-warning "ignored" "0 flag ignored with precision" } */
|
||||
printf ("%08.5x", u); /* { dg-warning "ignored" "0 flag ignored with precision" } */
|
||||
printf ("%08.5X", u); /* { dg-warning "ignored" "0 flag ignored with precision" } */
|
||||
printf ("%08.5f%08.5F%08.5e%08.5E%08.5g%08.5G%08.5a%08.5A",
|
||||
d, d, d, d, d, d, d, d);
|
||||
/* 0 flag ignored with - flag. */
|
||||
printf ("%-08d", i); /* { dg-warning "flags" "0 flag ignored with - flag" } */
|
||||
printf ("%-08i", i); /* { dg-warning "flags" "0 flag ignored with - flag" } */
|
||||
printf ("%-08o", u); /* { dg-warning "flags" "0 flag ignored with - flag" } */
|
||||
printf ("%-08u", u); /* { dg-warning "flags" "0 flag ignored with - flag" } */
|
||||
printf ("%-08x", u); /* { dg-warning "flags" "0 flag ignored with - flag" } */
|
||||
printf ("%-08X", u); /* { dg-warning "flags" "0 flag ignored with - flag" } */
|
||||
printf ("%-08e", d); /* { dg-warning "flags" "0 flag ignored with - flag" } */
|
||||
printf ("%-08E", d); /* { dg-warning "flags" "0 flag ignored with - flag" } */
|
||||
printf ("%-08f", d); /* { dg-warning "flags" "0 flag ignored with - flag" } */
|
||||
printf ("%-08F", d); /* { dg-warning "flags" "0 flag ignored with - flag" } */
|
||||
printf ("%-08g", d); /* { dg-warning "flags" "0 flag ignored with - flag" } */
|
||||
printf ("%-08G", d); /* { dg-warning "flags" "0 flag ignored with - flag" } */
|
||||
printf ("%-08a", d); /* { dg-warning "flags" "0 flag ignored with - flag" } */
|
||||
printf ("%-08A", d); /* { dg-warning "flags" "0 flag ignored with - flag" } */
|
||||
/* Various tests of bad argument types. Mostly covered in c90-printf-1.c;
|
||||
here just test for pointer target sign with %hhn. (Probably allowed
|
||||
by the standard, but a bad idea, so GCC should diagnose if what
|
||||
is used is not signed char *.)
|
||||
*/
|
||||
printf ("%hhn", s); /* { dg-warning "format" "%hhn plain char" } */
|
||||
printf ("%hhn", us); /* { dg-warning "format" "%hhn unsigned char" } */
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user