43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
/* Test for format checking of constant arrays. */
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/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
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/* { dg-do compile { target { *-*-mingw* } } } */
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/* { dg-options "-std=gnu99 -Wformat=2" } */
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#define USE_SYSTEM_FORMATS
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#include "format.h"
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const char a1[] = "foo";
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const char a2[] = "foo%d";
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const char b1[3] = "foo";
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const char b2[1] = "1";
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static const char c1[] = "foo";
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static const char c2[] = "foo%d";
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char d[] = "foo";
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volatile const char e[] = "foo";
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void
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foo (int i, long l)
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{
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const char p1[] = "bar";
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const char p2[] = "bar%d";
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static const char q1[] = "bar";
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static const char q2[] = "bar%d";
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printf (a1);
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printf (a2, i);
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printf (a2, l); /* { dg-warning "format" "wrong type with array" } */
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printf (b1); /* { dg-warning "unterminated" "unterminated array" } */
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printf (b2); /* { dg-warning "unterminated" "unterminated array" } */
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printf (c1);
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printf (c2, i);
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printf (c2, l); /* { dg-warning "format" "wrong type with array" } */
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printf (p1);
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printf (p2, i);
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printf (p2, l); /* { dg-warning "format" "wrong type with array" } */
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printf (q1);
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printf (q2, i);
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printf (q2, l); /* { dg-warning "format" "wrong type with array" } */
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/* Volatile or non-constant arrays must not be checked. */
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printf (d); /* { dg-warning "not a string literal" "non-const" } */
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printf ((const char *)e); /* { dg-warning "not a string literal" "volatile" } */
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}
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