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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.dg/] [attr-alloc_size.c] - Blame information for rev 801

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Line No. Rev Author Line
1 689 jeremybenn
/* { dg-do compile } */
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/* { dg-options "-O2 -Wall" } */
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extern void abort (void);
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#include "../gcc.c-torture/execute/builtins/chk.h"
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extern char *mallocminus1(int size) __attribute__((alloc_size(-1))); /* { dg-warning "parameter outside range" } */
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extern char *malloc0(int size) __attribute__((alloc_size(0))); /* { dg-warning "parameter outside range" } */
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extern char *malloc1(int size) __attribute__((alloc_size(1)));
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extern char *malloc2(int empty, int size) __attribute__((alloc_size(2)));
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extern char *calloc1(int size, int elements) __attribute__((alloc_size(1,2)));
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extern char *calloc2(int size, int empty, int elements) __attribute__((alloc_size(1,3)));
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extern char *balloc1(void *size) __attribute__((alloc_size(1)));
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void
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test (void)
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{
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  char *p;
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  p = malloc0 (6);
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  strcpy (p, "Hello");
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  p = malloc1 (6);
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  strcpy (p, "Hello");
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  strcpy (p, "Hello World"); /* { dg-warning "will always overflow" "strcpy" } */
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  p = malloc2 (__INT_MAX__ >= 1700000 ? 424242 : __INT_MAX__ / 4, 6);
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  strcpy (p, "World");
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  strcpy (p, "Hello World"); /* { dg-warning "will always overflow" "strcpy" } */
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  p = calloc1 (2, 5);
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  strcpy (p, "World");
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  strcpy (p, "Hello World"); /* { dg-warning "will always overflow" "strcpy" } */
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  p = calloc2 (2, __INT_MAX__ >= 1700000 ? 424242 : __INT_MAX__ / 4, 5);
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  strcpy (p, "World");
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  strcpy (p, "Hello World"); /* { dg-warning "will always overflow" "strcpy" } */
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}
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