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111
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1 /* Test for scanf formats. Formats using extensions to the standard
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2 should be rejected in strict pedantic mode.
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3 */
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4 /* Origin: Joseph Myers <jsm28@cam.ac.uk> */
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5 /* { dg-do compile } */
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6 /* { dg-options "-std=iso9899:1999 -pedantic -Wformat" } */
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7
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8 #include "format.h"
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9
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10 void
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11 foo (int *ip, long long int *llp, wchar_t *ls)
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12 {
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13 /* The length modifiers q and L as applied to integer formats are
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14 extensions.
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15 */
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16 scanf ("%qd", llp); /* { dg-warning "C" "%q length" } */
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17 scanf ("%Ld", llp); /* { dg-warning "C" "%L length" } */
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18 /* The conversion specifiers C and S are X/Open extensions. */
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19 scanf ("%C", ls); /* { dg-warning "C" "scanf %C" } */
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20 scanf ("%S", ls); /* { dg-warning "C" "scanf %S" } */
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21 /* The use of operand number $ formats is an X/Open extension. */
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22 scanf ("%1$d", ip); /* { dg-warning "C" "scanf $ format" } */
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23 /* glibc also supports flags ' and I on scanf formats as an extension. */
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24 scanf ("%'d", ip); /* { dg-warning "C" "scanf ' flag" } */
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25 scanf ("%Id", ip); /* { dg-warning "C" "scanf I flag" } */
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26 }
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