Lionel Sambuc 0a6a1f1d05 NetBSD re-synchronization of the source tree
This brings our tree to NetBSD 7.0, as found on -current on the
10-10-2015.

This updates:
 - LLVM to 3.6.1
 - GCC to GCC 5.1
 - Replace minix/commands/zdump with usr.bin/zdump
 - external/bsd/libelf has moved to /external/bsd/elftoolchain/
 - Import ctwm
 - Drop sprintf from libminc

Change-Id: I149836ac18e9326be9353958bab9b266efb056f0
2016-01-13 20:32:14 +01:00

87 lines
1.9 KiB
C

// RUN: %clang_cc1 -analyze -analyzer-checker=core -verify %s
// Zero-sized VLAs.
void check_zero_sized_VLA(int x) {
if (x)
return;
int vla[x]; // expected-warning{{Declared variable-length array (VLA) has zero size}}
}
void check_uninit_sized_VLA() {
int x;
int vla[x]; // expected-warning{{Declared variable-length array (VLA) uses a garbage value as its size}}
}
// Negative VLAs.
static void vla_allocate_signed(int x) {
int vla[x]; // expected-warning{{Declared variable-length array (VLA) has negative size}}
}
static void vla_allocate_unsigned(unsigned int x) {
int vla[x]; // no-warning
}
void check_negative_sized_VLA_1() {
vla_allocate_signed(-1);
}
void check_negative_sized_VLA_2() {
vla_allocate_unsigned(-1);
}
void check_negative_sized_VLA_3() {
int x = -1;
int vla[x]; // expected-warning{{Declared variable-length array (VLA) has negative size}}
}
void check_negative_sized_VLA_4() {
unsigned int x = -1;
int vla[x]; // no-warning
}
void check_negative_sized_VLA_5() {
signed char x = -1;
int vla[x]; // expected-warning{{Declared variable-length array (VLA) has negative size}}
}
void check_negative_sized_VLA_6() {
unsigned char x = -1;
int vla[x]; // no-warning
}
void check_negative_sized_VLA_7() {
signed char x = -1;
int vla[x + 2]; // no-warning
}
void check_negative_sized_VLA_8() {
signed char x = 1;
int vla[x - 2]; // expected-warning{{Declared variable-length array (VLA) has negative size}}
}
void check_negative_sized_VLA_9() {
int x = 1;
int vla[x]; // no-warning
}
static void check_negative_sized_VLA_10_sub(int x)
{
int vla[x]; // expected-warning{{Declared variable-length array (VLA) has negative size}}
}
void check_negative_sized_VLA_10(int x) {
if (x < 0)
check_negative_sized_VLA_10_sub(x);
}
static void check_negative_sized_VLA_11_sub(int x)
{
int vla[x]; // no-warning
}
void check_negative_sized_VLA_11(int x) {
if (x > 0)
check_negative_sized_VLA_11_sub(x);
}