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111
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1 /* Test for format checking of conditional expressions. */
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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 -Wformat" } */
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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 (long l, int nfoo)
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10 {
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11 printf ((nfoo > 1) ? "%d foos" : "%d foo", nfoo);
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12 printf ((l > 1) ? "%d foos" /* { dg-warning "23:int" "wrong type in conditional expr" } */
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13 : "%d foo", l); /* { dg-warning "16:int" "wrong type in conditional expr" } */
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14 printf ((l > 1) ? "%ld foos" : "%d foo", l); /* { dg-warning "36:int" "wrong type in conditional expr" } */
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15 printf ((l > 1) ? "%d foos" : "%ld foo", l); /* { dg-warning "23:int" "wrong type in conditional expr" } */
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16 /* Should allow one case to have extra arguments. */
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17 printf ((nfoo > 1) ? "%d foos" : "1 foo", nfoo);
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18 printf ((nfoo > 1) ? "many foos" : "1 foo", nfoo); /* { dg-warning "38:too many" "too many args in all branches" } */
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19 printf ((nfoo > 1) ? "%d foos" : "", nfoo);
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20 printf ((nfoo > 1) ? "%d foos" : ((nfoo > 0) ? "1 foo" : "no foos"), nfoo);
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21 printf ((nfoo > 1) ? "%d foos" : ((nfoo > 0) ? "%d foo" : "%d foos"), nfoo);
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22 printf ((nfoo > 1) ? "%d foos" : ((nfoo > 0) ? "%d foo" : "%ld foos"), nfoo); /* { dg-warning "64:long int" "wrong type" } */
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23 printf ((nfoo > 1) ? "%ld foos" : ((nfoo > 0) ? "%d foo" : "%d foos"), nfoo); /* { dg-warning "27:long int" "wrong type" } */
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24 printf ((nfoo > 1) ? "%d foos" : ((nfoo > 0) ? "%ld foo" : "%d foos"), nfoo); /* { dg-warning "53:long int" "wrong type" } */
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25 /* Extra arguments to NULL should be complained about. */
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26 printf (0, "foo"); /* { dg-warning "14:too many" "NULL extra args" } */
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27 /* { dg-warning "null" "null format arg" { target *-*-* } .-1 } */
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28 }
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