diff options
Diffstat (limited to 'gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20121108-1.c')
-rw-r--r-- | gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20121108-1.c | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20121108-1.c b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20121108-1.c new file mode 100644 index 000000000..5ec889e60 --- /dev/null +++ b/gcc-4.9/gcc/testsuite/gcc.c-torture/execute/20121108-1.c @@ -0,0 +1,51 @@ +char temp[] = "192.168.190.160"; +unsigned result = (((((192u<<8)|168u)<<8)|190u)<<8)|160u; + +int strtoul1(const char *a, char **b, int c) __attribute__((noinline, noclone)); +int strtoul1(const char *a, char **b, int c) +{ + *b = a+3; + if (a == temp) + return 192; + else if (a == temp+4) + return 168; + else if (a == temp+8) + return 190; + else if (a == temp+12) + return 160; + __builtin_abort(); +} + +int string_to_ip(const char *s) __attribute__((noinline,noclone)); +int string_to_ip(const char *s) +{ + int addr; + char *e; + int i; + + if (s == 0) + return(0); + + for (addr=0, i=0; i<4; ++i) { + int val = s ? strtoul1(s, &e, 10) : 0; + addr <<= 8; + addr |= (val & 0xFF); + if (s) { + s = (*e) ? e+1 : e; + } + } + + return addr; +} + +int main(void) +{ + int t = string_to_ip (temp); + printf ("%x\n", t); + printf ("%x\n", result); + if (t != result) + __builtin_abort (); + printf ("WORKS.\n"); + return 0; +} + |