Merge "use architecture-specific ssize_t definition"
diff --git a/libc/include/sys/types.h b/libc/include/sys/types.h
index 8cfeeb6..459159f 100644
--- a/libc/include/sys/types.h
+++ b/libc/include/sys/types.h
@@ -85,7 +85,7 @@
#ifndef _SSIZE_T_DEFINED_
#define _SSIZE_T_DEFINED_
-typedef long int ssize_t;
+typedef __kernel_ssize_t ssize_t;
#endif
typedef __kernel_suseconds_t suseconds_t;
diff --git a/tests/stdio_test.cpp b/tests/stdio_test.cpp
index 70a71fb..d2311fd 100644
--- a/tests/stdio_test.cpp
+++ b/tests/stdio_test.cpp
@@ -169,3 +169,12 @@
ASSERT_EQ(getline(&buffer, &buffer_length, fp), -1);
ASSERT_EQ(EBADF, errno);
}
+
+TEST(stdio, printf_ssize_t) {
+ // We used to have a ssize_t definition that confused GCC into saying:
+ // error: format '%zd' expects argument of type 'signed size_t',
+ // but argument 4 has type 'ssize_t {aka long int}' [-Werror=format]
+ ssize_t v = 1;
+ char buf[32];
+ snprintf(buf, sizeof(buf), "%zd", v);
+}
