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149 |
jeremybenn |
/* Test for format extensions beyond the C standard and X/Open standard.
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Test for scanf formats.
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*/
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/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
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/* { dg-do compile } */
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/* { dg-options "-std=gnu99 -Wformat" } */
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#include "format.h"
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void
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foo (quad_t *qp, u_quad_t *uqp, quad_t *qn, long long int *llp,
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unsigned long long int *ullp, float *fp, char *s, void **pp, wchar_t *ls,
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int *ip, unsigned int *up)
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{
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/* As an extension, GCC allows the BSD length "q" for integer formats.
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This is largely obsoleted in C99 by %j, %ll and SCNd64.
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*/
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scanf ("%qd%qi%qo%qu%qx%qX%qn", qp, qp, uqp, uqp, uqp, uqp, qn);
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scanf ("%qf", fp); /* { dg-warning "length" "bad use of %q" } */
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scanf ("%qF", fp); /* { dg-warning "length" "bad use of %q" } */
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scanf ("%qe", fp); /* { dg-warning "length" "bad use of %q" } */
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scanf ("%qE", fp); /* { dg-warning "length" "bad use of %q" } */
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scanf ("%qg", fp); /* { dg-warning "length" "bad use of %q" } */
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scanf ("%qG", fp); /* { dg-warning "length" "bad use of %q" } */
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scanf ("%qa", fp); /* { dg-warning "length" "bad use of %q" } */
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scanf ("%qA", fp); /* { dg-warning "length" "bad use of %q" } */
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scanf ("%qs", s); /* { dg-warning "length" "bad use of %q" } */
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scanf ("%q[abc]", s); /* { dg-warning "length" "bad use of %q" } */
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scanf ("%qc", s); /* { dg-warning "length" "bad use of %q" } */
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scanf ("%qp", pp); /* { dg-warning "length" "bad use of %q" } */
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scanf ("%qC", ls); /* { dg-warning "length" "bad use of %q" } */
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scanf ("%qS", ls); /* { dg-warning "length" "bad use of %q" } */
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/* As an extension, GCC allows the length "L" on integer formats
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(but not %n) as a synonym for "ll".
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This should be considered deprecated.
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*/
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scanf ("%Ld%Li%Lo%Lu%Lx%LX", llp, llp, ullp, ullp, ullp, ullp);
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/* glibc also supports flags ' and I on scanf formats. The ' flag applies
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to all formats scanning decimal values; the I flag only to decimal integer
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formats.
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*/
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scanf ("%'d%'i%'u%'a%'A%'e%'E%'f%'F%'g%'G", ip, ip, up, fp, fp, fp, fp,
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fp, fp, fp, fp);
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scanf ("%'o", up); /* { dg-warning "flag" "bad use of ' flag" } */
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scanf ("%'x", up); /* { dg-warning "flag" "bad use of ' flag" } */
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scanf ("%'X", up); /* { dg-warning "flag" "bad use of ' flag" } */
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scanf ("%'n", ip); /* { dg-warning "flag" "bad use of ' flag" } */
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scanf ("%'s", s); /* { dg-warning "flag" "bad use of ' flag" } */
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scanf ("%'[abc]", s); /* { dg-warning "flag" "bad use of ' flag" } */
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scanf ("%'c", s); /* { dg-warning "flag" "bad use of ' flag" } */
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scanf ("%'p", pp); /* { dg-warning "flag" "bad use of ' flag" } */
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scanf ("%'C", ls); /* { dg-warning "flag" "bad use of ' flag" } */
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scanf ("%'S", ls); /* { dg-warning "flag" "bad use of ' flag" } */
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scanf ("%Id%Ii%Iu", ip, ip, up);
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scanf ("%Ia", fp); /* { dg-warning "flag" "bad use of I flag" } */
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scanf ("%IA", fp); /* { dg-warning "flag" "bad use of I flag" } */
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scanf ("%Ie", fp); /* { dg-warning "flag" "bad use of I flag" } */
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scanf ("%IE", fp); /* { dg-warning "flag" "bad use of I flag" } */
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scanf ("%If", fp); /* { dg-warning "flag" "bad use of I flag" } */
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scanf ("%IF", fp); /* { dg-warning "flag" "bad use of I flag" } */
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scanf ("%Ig", fp); /* { dg-warning "flag" "bad use of I flag" } */
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scanf ("%IG", fp); /* { dg-warning "flag" "bad use of I flag" } */
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scanf ("%Io", up); /* { dg-warning "flag" "bad use of I flag" } */
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scanf ("%Ix", up); /* { dg-warning "flag" "bad use of I flag" } */
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scanf ("%IX", up); /* { dg-warning "flag" "bad use of I flag" } */
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scanf ("%In", ip); /* { dg-warning "flag" "bad use of I flag" } */
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scanf ("%Is", s); /* { dg-warning "flag" "bad use of I flag" } */
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scanf ("%I[abc]", s); /* { dg-warning "flag" "bad use of I flag" } */
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scanf ("%Ic", s); /* { dg-warning "flag" "bad use of I flag" } */
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scanf ("%Ip", pp); /* { dg-warning "flag" "bad use of I flag" } */
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scanf ("%IC", ls); /* { dg-warning "flag" "bad use of I flag" } */
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scanf ("%IS", ls); /* { dg-warning "flag" "bad use of I flag" } */
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}
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