| /* Test for format extensions beyond the C standard and X/Open standard. |
| Test for scanf formats. |
| */ |
| /* Origin: Joseph Myers <jsm28@cam.ac.uk> */ |
| /* { dg-do compile } */ |
| /* { dg-options "-std=gnu99 -Wformat" } */ |
| |
| #include "format.h" |
| |
| void |
| foo (quad_t *qp, u_quad_t *uqp, quad_t *qn, long long int *llp, |
| unsigned long long int *ullp, float *fp, char *s, void **pp, wchar_t *ls, |
| int *ip, unsigned int *up) |
| { |
| /* As an extension, GCC allows the BSD length "q" for integer formats. |
| This is largely obsoleted in C99 by %j, %ll and SCNd64. |
| */ |
| scanf ("%qd%qi%qo%qu%qx%qX%qn", qp, qp, uqp, uqp, uqp, uqp, qn); |
| scanf ("%qf", fp); /* { dg-warning "length" "bad use of %q" } */ |
| scanf ("%qF", fp); /* { dg-warning "length" "bad use of %q" } */ |
| scanf ("%qe", fp); /* { dg-warning "length" "bad use of %q" } */ |
| scanf ("%qE", fp); /* { dg-warning "length" "bad use of %q" } */ |
| scanf ("%qg", fp); /* { dg-warning "length" "bad use of %q" } */ |
| scanf ("%qG", fp); /* { dg-warning "length" "bad use of %q" } */ |
| scanf ("%qa", fp); /* { dg-warning "length" "bad use of %q" } */ |
| scanf ("%qA", fp); /* { dg-warning "length" "bad use of %q" } */ |
| scanf ("%qs", s); /* { dg-warning "length" "bad use of %q" } */ |
| scanf ("%q[abc]", s); /* { dg-warning "length" "bad use of %q" } */ |
| scanf ("%qc", s); /* { dg-warning "length" "bad use of %q" } */ |
| scanf ("%qp", pp); /* { dg-warning "length" "bad use of %q" } */ |
| scanf ("%qC", ls); /* { dg-warning "length" "bad use of %q" } */ |
| scanf ("%qS", ls); /* { dg-warning "length" "bad use of %q" } */ |
| /* As an extension, GCC allows the length "L" on integer formats |
| (but not %n) as a synonym for "ll". |
| This should be considered deprecated. |
| */ |
| scanf ("%Ld%Li%Lo%Lu%Lx%LX", llp, llp, ullp, ullp, ullp, ullp); |
| /* glibc also supports flags ' and I on scanf formats. The ' flag applies |
| to all formats scanning decimal values; the I flag only to decimal integer |
| formats. |
| */ |
| scanf ("%'d%'i%'u%'a%'A%'e%'E%'f%'F%'g%'G", ip, ip, up, fp, fp, fp, fp, |
| fp, fp, fp, fp); |
| scanf ("%'o", up); /* { dg-warning "flag" "bad use of ' flag" } */ |
| scanf ("%'x", up); /* { dg-warning "flag" "bad use of ' flag" } */ |
| scanf ("%'X", up); /* { dg-warning "flag" "bad use of ' flag" } */ |
| scanf ("%'n", ip); /* { dg-warning "flag" "bad use of ' flag" } */ |
| scanf ("%'s", s); /* { dg-warning "flag" "bad use of ' flag" } */ |
| scanf ("%'[abc]", s); /* { dg-warning "flag" "bad use of ' flag" } */ |
| scanf ("%'c", s); /* { dg-warning "flag" "bad use of ' flag" } */ |
| scanf ("%'p", pp); /* { dg-warning "flag" "bad use of ' flag" } */ |
| scanf ("%'C", ls); /* { dg-warning "flag" "bad use of ' flag" } */ |
| scanf ("%'S", ls); /* { dg-warning "flag" "bad use of ' flag" } */ |
| scanf ("%Id%Ii%Iu", ip, ip, up); |
| scanf ("%Ia", fp); /* { dg-warning "flag" "bad use of I flag" } */ |
| scanf ("%IA", fp); /* { dg-warning "flag" "bad use of I flag" } */ |
| scanf ("%Ie", fp); /* { dg-warning "flag" "bad use of I flag" } */ |
| scanf ("%IE", fp); /* { dg-warning "flag" "bad use of I flag" } */ |
| scanf ("%If", fp); /* { dg-warning "flag" "bad use of I flag" } */ |
| scanf ("%IF", fp); /* { dg-warning "flag" "bad use of I flag" } */ |
| scanf ("%Ig", fp); /* { dg-warning "flag" "bad use of I flag" } */ |
| scanf ("%IG", fp); /* { dg-warning "flag" "bad use of I flag" } */ |
| scanf ("%Io", up); /* { dg-warning "flag" "bad use of I flag" } */ |
| scanf ("%Ix", up); /* { dg-warning "flag" "bad use of I flag" } */ |
| scanf ("%IX", up); /* { dg-warning "flag" "bad use of I flag" } */ |
| scanf ("%In", ip); /* { dg-warning "flag" "bad use of I flag" } */ |
| scanf ("%Is", s); /* { dg-warning "flag" "bad use of I flag" } */ |
| scanf ("%I[abc]", s); /* { dg-warning "flag" "bad use of I flag" } */ |
| scanf ("%Ic", s); /* { dg-warning "flag" "bad use of I flag" } */ |
| scanf ("%Ip", pp); /* { dg-warning "flag" "bad use of I flag" } */ |
| scanf ("%IC", ls); /* { dg-warning "flag" "bad use of I flag" } */ |
| scanf ("%IS", ls); /* { dg-warning "flag" "bad use of I flag" } */ |
| } |