diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/format/xopen-1.c')
| -rw-r--r-- | gcc/testsuite/gcc.dg/format/xopen-1.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/format/xopen-1.c b/gcc/testsuite/gcc.dg/format/xopen-1.c new file mode 100644 index 000000000..9b098fb1c --- /dev/null +++ b/gcc/testsuite/gcc.dg/format/xopen-1.c @@ -0,0 +1,125 @@ +/* Test for X/Open format extensions, as found in the + Single Unix Specification and in Austin Group draft 7. +*/ +/* Origin: Joseph Myers <jsm28@cam.ac.uk> */ +/* { dg-do compile } */ +/* { dg-options "-std=gnu99 -Wformat" } */ + +#include "format.h" + +void +foo (int i, unsigned int u, wint_t lc, wchar_t *ls, int *ip, double d, + char *s, void *p, int *n, long int l, int i2, float *fp, long int *lp, + va_list va) +{ + /* The conversion specifiers C and S, for both printf and scanf, + are X/Open extensions. + */ + printf ("%C", lc); + printf ("%3C", lc); + printf ("%.3C", lc); /* { dg-warning "precision" "precision with %C" } */ + printf ("%hC", lc); /* { dg-warning "length" "bad %hC" } */ + printf ("%hhC", lc); /* { dg-warning "length" "bad %hhC" } */ + printf ("%lC", lc); /* { dg-warning "length" "bad %lC" } */ + printf ("%llC", lc); /* { dg-warning "length" "bad %llC" } */ + printf ("%jC", lc); /* { dg-warning "length" "bad %jC" } */ + printf ("%zC", lc); /* { dg-warning "length" "bad %zC" } */ + printf ("%tC", lc); /* { dg-warning "length" "bad %tC" } */ + printf ("%LC", lc); /* { dg-warning "length" "bad %LC" } */ + printf ("%-C", lc); + printf ("%+C", lc); /* { dg-warning "flag" "bad %+C" } */ + printf ("% C", lc); /* { dg-warning "flag" "bad % C" } */ + printf ("%#C", lc); /* { dg-warning "flag" "bad %#C" } */ + printf ("%0C", lc); /* { dg-warning "flag" "bad %0C" } */ + printf ("%'C", lc); /* { dg-warning "flag" "bad %'C" } */ + printf ("%S", ls); + printf ("%3S", ls); + printf ("%.3S", ls); + printf ("%hS", ls); /* { dg-warning "length" "bad %hS" } */ + printf ("%hhS", ls); /* { dg-warning "length" "bad %hhS" } */ + printf ("%lS", ls); /* { dg-warning "length" "bad %lS" } */ + printf ("%llS", ls); /* { dg-warning "length" "bad %llS" } */ + printf ("%jS", ls); /* { dg-warning "length" "bad %jS" } */ + printf ("%zS", ls); /* { dg-warning "length" "bad %zS" } */ + printf ("%tS", ls); /* { dg-warning "length" "bad %tS" } */ + printf ("%LS", ls); /* { dg-warning "length" "bad %LS" } */ + printf ("%-S", ls); + printf ("%+S", ls); /* { dg-warning "flag" "bad %+S" } */ + printf ("% S", ls); /* { dg-warning "flag" "bad % S" } */ + printf ("%#S", ls); /* { dg-warning "flag" "bad %#S" } */ + printf ("%0S", ls); /* { dg-warning "flag" "bad %0S" } */ + printf ("%'S", ls); /* { dg-warning "flag" "bad %'S" } */ + scanf ("%C", ls); + scanf ("%S", ls); + scanf ("%*C%*S"); + scanf ("%2C%3S", ls, ls); + scanf ("%hC", ls); /* { dg-warning "length" "bad %hC" } */ + scanf ("%hhC", ls); /* { dg-warning "length" "bad %hhC" } */ + scanf ("%lC", ls); /* { dg-warning "length" "bad %lC" } */ + scanf ("%llC", ls); /* { dg-warning "length" "bad %llC" } */ + scanf ("%jC", ls); /* { dg-warning "length" "bad %jC" } */ + scanf ("%zC", ls); /* { dg-warning "length" "bad %zC" } */ + scanf ("%tC", ls); /* { dg-warning "length" "bad %tC" } */ + scanf ("%LC", ls); /* { dg-warning "length" "bad %LC" } */ + scanf ("%hS", ls); /* { dg-warning "length" "bad %hS" } */ + scanf ("%hhS", ls); /* { dg-warning "length" "bad %hhS" } */ + scanf ("%lS", ls); /* { dg-warning "length" "bad %lS" } */ + scanf ("%llS", ls); /* { dg-warning "length" "bad %llS" } */ + scanf ("%jS", ls); /* { dg-warning "length" "bad %jS" } */ + scanf ("%zS", ls); /* { dg-warning "length" "bad %zS" } */ + scanf ("%tS", ls); /* { dg-warning "length" "bad %tS" } */ + scanf ("%LS", ls); /* { dg-warning "length" "bad %LS" } */ + /* In C99 mode (even with extensions), %aS is a floating point + format followed by an S. + */ + scanf ("%aS", fp); + /* The printf flag character ' is an X/Open extension. */ + printf ("%'d%'i%'u%'f%'F%'g%'G", i, i, u, d, d, d, d); + printf ("%'o", 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 ("%'e", d); /* { dg-warning "flag" "bad use of ' flag" } */ + printf ("%'E", d); /* { dg-warning "flag" "bad use of ' flag" } */ + printf ("%'a", d); /* { dg-warning "flag" "bad use of ' flag" } */ + printf ("%'A", d); /* { 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" } */ + /* The use of operand number $ formats is an X/Open extension. */ + scanf ("%1$d", ip); + printf ("%1$d", i); + printf ("%1$d", l); /* { dg-warning "arg 2|argument 2" "mismatched args with $ format" } */ + printf ("%3$*2$.*1$ld", i2, i, l); + printf ("%4$ld%7$ld%5$d%6$d%3$d%1$d%2$d", i, i, i, l, i, i, l); + scanf ("%4$ld%7$ld%5$d%6$d%3$d%1$d%2$d", ip, ip, ip, lp, ip, ip, lp); + printf ("%1$d%d", i, i); /* { dg-warning "missing" "mixing $ and non-$ formats" } */ + printf ("%%%1$d%%%2$d", i, i); + printf ("%d%2$d", i); /* { dg-warning "used after format" "mixing $ and non-$ formats" } */ + printf ("%1$*d", i, i); /* { dg-warning "missing" "mixing $ and non-$ formats" } */ + printf ("%*1$d", i); /* { dg-warning "missing" "mixing $ and non-$ formats" } */ + scanf ("%1$d%d", ip, ip); /* { dg-warning "missing" "mixing $ and non-$ formats" } */ + scanf ("%*f%%%1$d%%%2$d", ip, ip); + printf ("%2$d", i); /* { dg-warning "operand" "$ number too large" } */ + printf ("%0$d", i); /* { dg-warning "operand" "$ number too small" } */ + printf ("%3$d%1$d", i, i, i); /* { dg-warning "before used" "unused $ operand" } */ + printf ("%2$d%1$d", i, i, i); /* { dg-warning "unused" "unused $ operand" } */ + vprintf ("%3$d%1$d", va); /* { dg-warning "before used" "unused $ operand" } */ + /* With scanf formats, gaps in the used arguments are allowed only if the + arguments are all pointers. In such a case, should only give the lesser + warning about unused arguments rather than the more serious one about + argument gaps. */ + scanf ("%3$d%1$d", ip, ip, ip); /* { dg-bogus "before used" "unused $ scanf pointer operand" } */ + /* { dg-warning "unused" "unused $ scanf pointer operand" { target *-*-* } 112 } */ + /* If there are non-pointer arguments unused at the end, this is also OK. */ + scanf ("%3$d%1$d", ip, ip, ip, i); /* { dg-bogus "before used" "unused $ scanf pointer operand" } */ + /* { dg-warning "unused" "unused $ scanf pointer operand" { target *-*-* } 115 } */ + scanf ("%3$d%1$d", ip, i, ip); /* { dg-warning "before used" "unused $ scanf non-pointer operand" } */ + /* Can't check the arguments in the vscanf case, so should suppose the + lesser problem. */ + vscanf ("%3$d%1$d", va); /* { dg-bogus "before used" "unused $ scanf pointer operand" } */ + /* { dg-warning "unused" "unused $ scanf pointer operand" { target *-*-* } 120 } */ + scanf ("%2$*d%1$d", ip, ip); /* { dg-warning "operand" "operand number with suppression" } */ + printf ("%1$d%1$d", i); + scanf ("%1$d%1$d", ip); /* { dg-warning "more than once" "multiple use of scanf argument" } */ +} |