Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/attr-alloc_size.c @ 131:84e7813d76e9
gcc-8.2
author | mir3636 |
---|---|
date | Thu, 25 Oct 2018 07:37:49 +0900 |
parents | 04ced10e8804 |
children | 1830386684a0 |
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/* { dg-do compile } */ /* { dg-options "-O2 -Wall -ftrack-macro-expansion=0" } */ extern void abort (void); #include "../gcc.c-torture/execute/builtins/chk.h" extern char *mallocminus1(int size) __attribute__((alloc_size(-1))); /* { dg-warning "parameter outside range" } */ extern char *malloc0(int size) __attribute__((alloc_size(0))); /* { dg-warning "parameter outside range" } */ extern char *malloc1(int size) __attribute__((alloc_size(1))); extern char *malloc2(int empty, int size) __attribute__((alloc_size(2))); extern char *calloc1(int size, int elements) __attribute__((alloc_size(1,2))); extern char *calloc2(int size, int empty, int elements) __attribute__((alloc_size(1,3))); extern char *balloc1(void *size) __attribute__((alloc_size(1))); void test (void) { char *p; p = malloc0 (6); strcpy (p, "Hello"); p = malloc1 (6); strcpy (p, "Hello"); strcpy (p, "Hello World"); /* { dg-warning "writing" "strcpy" } */ p = malloc2 (__INT_MAX__ >= 1700000 ? 424242 : __INT_MAX__ / 4, 6); strcpy (p, "World"); strcpy (p, "Hello World"); /* { dg-warning "writing" "strcpy" } */ p = calloc1 (2, 5); strcpy (p, "World"); strcpy (p, "Hello World"); /* { dg-warning "writing" "strcpy" } */ p = calloc2 (2, __INT_MAX__ >= 1700000 ? 424242 : __INT_MAX__ / 4, 5); strcpy (p, "World"); strcpy (p, "Hello World"); /* { dg-warning "writing" "strcpy" } */ }