44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
/* Test for warnings for missing format attributes. */
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/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
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/* { dg-do compile } */
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/* { dg-options "-Wmissing-format-attribute" } */
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/* { dg-options "-Wmissing-format-attribute -Wno-abi" { target arm_eabi } } */
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/* VxWorks does not provide vscanf, either in kernel or RTP mode. */
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/* { dg-error "not declared" "" { target { *-*-solaris2.8 *-*-vxworks* } } 26 } */
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#include <stdio.h>
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#include <stdarg.h>
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void
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foo (const char *fmt, ...)
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{
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va_list ap;
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va_start (ap, fmt);
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vprintf (fmt, ap); /* { dg-warning "candidate" "printf attribute warning" } */
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va_end (ap);
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}
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void
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bar (const char *fmt, ...)
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{
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va_list ap;
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va_start (ap, fmt);
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vscanf (fmt, ap); /* { dg-warning "candidate" "scanf attribute warning" { xfail *-*-solaris2.8 *-*-vxworks* } } */
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va_end (ap);
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}
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__attribute__((__format__(__printf__, 1, 2))) void
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foo2 (const char *fmt, ...)
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{
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va_list ap;
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va_start (ap, fmt);
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vprintf (fmt, ap);
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va_end (ap);
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}
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void
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vfoo (const char *fmt, va_list arg)
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{
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vprintf (fmt, arg); /* { dg-warning "candidate" "printf attribute warning 2" } */
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}
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