diff options
| -rw-r--r-- | SingleSource/Regression/C/PR640.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/SingleSource/Regression/C/PR640.c b/SingleSource/Regression/C/PR640.c new file mode 100644 index 00000000..97d2a020 --- /dev/null +++ b/SingleSource/Regression/C/PR640.c @@ -0,0 +1,56 @@ +#include <stdarg.h> +#include <stdio.h> + +static int test_stdarg_va(void* p1, ...) +{ + va_list ap; + unsigned long l; + int i1, i2; + void* p2; + va_start(ap, p1); + i1 = va_arg(ap, int); + l = va_arg(ap, unsigned long); + i2 = va_arg(ap, int); + p2 = va_arg(ap, void *); + va_end(ap); + return p1 == p2 && i1 == 1 && l == 0x76214365ul && i2 == 2; +} + + +static int test_stdarg_builtin_va(void* p1, ...) +{ + __builtin_va_list ap; + unsigned long l; + int i1, i2; + void* p2; + __builtin_stdarg_start(ap, p1); + i1 = __builtin_va_arg(ap, int); + l = __builtin_va_arg(ap, unsigned long); + i2 = __builtin_va_arg(ap, int); + p2 = __builtin_va_arg(ap, void *); + __builtin_va_end(ap); + return p1 == p2 && i1 == 1 && l == 0x76214369ul && i2 == 2; +} + + +static int test_stdarg(int r) +{ + char c1 = 1, c2 = 2; + if (test_stdarg_va(&r, c1, 0x76214365ul, c2, &r) != 1) + return 0; + if (test_stdarg_builtin_va(&r, c1, 0x76214369ul, c2, &r) != 1) + return 0; + return r & 1; +} + + +int main(int argc, char **argv) +{ + if (test_stdarg(1) != 1) { + printf("ERROR\n"); + return 1; + } + printf("All done.\n"); + return 0; +} + |