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Diffstat (limited to 'test/SemaCXX/builtins-va_arg.cpp')
-rw-r--r-- | test/SemaCXX/builtins-va_arg.cpp | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/test/SemaCXX/builtins-va_arg.cpp b/test/SemaCXX/builtins-va_arg.cpp new file mode 100644 index 0000000..4f549c8 --- /dev/null +++ b/test/SemaCXX/builtins-va_arg.cpp @@ -0,0 +1,52 @@ +// RUN: %clang_cc1 %s -ffreestanding +// RUN: %clang_cc1 %s -ffreestanding -triple i686-unknown-linux +// RUN: %clang_cc1 %s -ffreestanding -triple x86_64-unknown-linux +// RUN: %clang_cc1 %s -ffreestanding -triple mips-unknown-linux +// RUN: %clang_cc1 %s -ffreestanding -triple mipsel-unknown-linux +// RUN: %clang_cc1 %s -ffreestanding -triple armv7-unknown-linux-gnueabi +// RUN: %clang_cc1 %s -ffreestanding -triple thumbv7-unknown-linux-gnueabi + +#include "stdarg.h" + +int int_accumulator = 0; +double double_accumulator = 0; + +int test_vprintf(const char *fmt, va_list ap) { + char ch; + int result = 0; + while (*fmt != '\0') { + ch = *fmt++; + if (ch != '%') { + continue; + } + + ch = *fmt++; + switch (ch) { + case 'd': + int_accumulator += va_arg(ap, int); + result++; + break; + + case 'f': + double_accumulator += va_arg(ap, double); + result++; + break; + + default: + break; + } + + if (ch == '0') { + break; + } + } + return result; +} + +int test_printf(const char *fmt, ...) { + va_list ap; + va_start(ap, fmt); + int result = test_vprintf(fmt, ap); + va_end(ap); + return result; +} |