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Diffstat (limited to 'include/limits.h')
-rw-r--r--include/limits.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/include/limits.h b/include/limits.h
index 61920c7d..6d7dfdbb 100644
--- a/include/limits.h
+++ b/include/limits.h
@@ -13,9 +13,13 @@
#define UCHAR_MAX 255
#define CHAR_MIN (-128)
#define CHAR_MAX 127
-#define SSIZE_MAX LONG_MAX
#define MB_LEN_MAX 4
+
+#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
+ || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE)
+
+#define SSIZE_MAX LONG_MAX
#define TZNAME_MAX 6
#define TTY_NAME_MAX 20
#define HOST_NAME_MAX 255
@@ -100,3 +104,5 @@
#define _XOPEN_PATH_MAX 1024
#endif
+
+#endif