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111
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1 /* Test for warnings for missing format attributes. */
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2 /* Origin: Joseph Myers <jsm28@cam.ac.uk> */
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3 /* { dg-do compile } */
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4 /* { dg-options "-std=gnu99 -Wmissing-format-attribute" } */
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5
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6 #include "format.h"
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7
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8 void
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9 foo (const char *fmt, ...)
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10 {
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11 va_list ap;
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12 va_start (ap, fmt);
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13 vprintf (fmt, ap); /* { dg-warning "candidate" "printf attribute warning" } */
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14 va_end (ap);
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15 }
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16
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17 void
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18 bar (const char *fmt, ...)
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19 {
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20 va_list ap;
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21 va_start (ap, fmt);
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22 vscanf (fmt, ap); /* { dg-warning "candidate" "scanf attribute warning" } */
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23 va_end (ap);
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24 }
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25
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26 __attribute__((__format__(gnu_attr___printf__, 1, 2))) void
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27 foo2 (const char *fmt, ...)
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28 {
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29 va_list ap;
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30 va_start (ap, fmt);
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31 vprintf (fmt, ap);
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32 va_end (ap);
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33 }
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34
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35 void
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36 vfoo (const char *fmt, va_list arg)
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37 {
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38 vprintf (fmt, arg); /* { dg-warning "candidate" "printf attribute warning 2" } */
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39 }
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