diff options
Diffstat (limited to 'gcc/testsuite/gcc.c-torture/execute/memcpy-1.c')
-rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/memcpy-1.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/execute/memcpy-1.c b/gcc/testsuite/gcc.c-torture/execute/memcpy-1.c new file mode 100644 index 00000000000..684854b66dc --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/memcpy-1.c @@ -0,0 +1,63 @@ +#include <string.h> + +#if defined (STACK_SIZE) +#define MEMCPY_SIZE (STACK_SIZE / 3) +#else +#define MEMCPY_SIZE (1 << 17) +#endif + + +void *copy (void *o, const void *i, unsigned l) +{ + return memcpy (o, i, l); +} + +main () +{ + unsigned i; + unsigned char src[MEMCPY_SIZE]; + unsigned char dst[MEMCPY_SIZE]; + + for (i = 0; i < MEMCPY_SIZE; i++) + src[i] = (unsigned char) i, dst[i] = 0; + + (void) memcpy (dst, src, MEMCPY_SIZE / 128); + + for (i = 0; i < MEMCPY_SIZE / 128; i++) + if (dst[i] != (unsigned char) i) + abort (); + + (void) memset (dst, 1, MEMCPY_SIZE / 128); + + for (i = 0; i < MEMCPY_SIZE / 128; i++) + if (dst[i] != 1) + abort (); + + (void) memcpy (dst, src, MEMCPY_SIZE); + + for (i = 0; i < MEMCPY_SIZE; i++) + if (dst[i] != (unsigned char) i) + abort (); + + (void) memset (dst, 0, MEMCPY_SIZE); + + for (i = 0; i < MEMCPY_SIZE; i++) + if (dst[i] != 0) + abort (); + + (void) copy (dst, src, MEMCPY_SIZE / 128); + + for (i = 0; i < MEMCPY_SIZE / 128; i++) + if (dst[i] != (unsigned char) i) + abort (); + + (void) memset (dst, 0, MEMCPY_SIZE); + + (void) copy (dst, src, MEMCPY_SIZE); + + for (i = 0; i < MEMCPY_SIZE; i++) + if (dst[i] != (unsigned char) i) + abort (); + + exit (0); +} |