From 2a1fbbd629e4c1d7f636bbb7817bea1ba082981a Mon Sep 17 00:00:00 2001
From: folkert van heusden <mail@vanheusden.com>
Date: 周五, 19 11月 2021 05:00:39 +0800
Subject: [PATCH] The problem of the fragmented *IDN? response can be mitigated somewhat by enabling nagle during the response to that command.
---
libscpi/inc/scpi/cc.h | 44 ++++++++++++++++++++++++++++++++++++--------
1 files changed, 36 insertions(+), 8 deletions(-)
diff --git a/libscpi/inc/scpi/cc.h b/libscpi/inc/scpi/cc.h
index d0d0a1e..4381602 100644
--- a/libscpi/inc/scpi/cc.h
+++ b/libscpi/inc/scpi/cc.h
@@ -54,37 +54,57 @@
# endif
#endif
-#if POSIX_C_SOURCE >= 200809L || _XOPEN_SOURCE >= 700
+#if (defined _POSIX_C_SOURCE && _POSIX_C_SOURCE >= 200809L) || \
+ (defined _XOPEN_SOURCE && _XOPEN_SOURCE >= 700)
#define HAVE_STRNDUP 1
#define HAVE_STRNLEN 1
#endif
-#if _BSD_SOURCE || _XOPEN_SOURCE >= 500 || _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L || C99
+#if (defined _BSD_SOURCE && _BSD_SOURCE) || \
+ (defined _XOPEN_SOURCE && _XOPEN_SOURCE >= 500) || \
+ (defined _ISOC99_SOURCE && _ISOC99_SOURCE) || \
+ (defined _POSIX_C_SOURCE && _POSIX_C_SOURCE >= 200112L) || \
+ C99
#define HAVE_SNPRINTF 1
#endif
-#if _POSIX_C_SOURCE >= 200112L
+#if (defined _POSIX_C_SOURCE && _POSIX_C_SOURCE >= 200112L)
#define HAVE_STRNCASECMP 1
#endif
-#if _BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE || _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L || C99
+#if (defined _BSD_SOURCE && _BSD_SOURCE) || \
+ (defined _SVID_SOURCE && _SVID_SOURCE) || \
+ (defined _XOPEN_SOURCE && _XOPEN_SOURCE) || \
+ (defined _ISOC99_SOURCE && _ISOC99_SOURCE) || \
+ (defined _POSIX_C_SOURCE && _POSIX_C_SOURCE >= 200112L) ||\
+ C99
#define HAVE_ISNAN 1
#endif
-#if _XOPEN_SOURCE >= 600 || _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L || C99
+#if (defined _XOPEN_SOURCE && _XOPEN_SOURCE >= 600)|| \
+ (defined _ISOC99_SOURCE && _ISOC99_SOURCE) || \
+ (defined _POSIX_C_SOURCE && _POSIX_C_SOURCE >= 200112L) || \
+ C99
#define HAVE_ISFINITE 1
#define HAVE_SIGNBIT 1
#endif
-#if XOPEN_SOURCE >= 600 || _BSD_SOURCE || _SVID_SOURCE || _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L
+#if (defined _XOPEN_SOURCE && XOPEN_SOURCE >= 600) || \
+ (defined _BSD_SOURCE && _BSD_SOURCE) || \
+ (defined _SVID_SOURCE && _SVID_SOURCE) || \
+ (defined _ISOC99_SOURCE && _ISOC99_SOURCE) || \
+ (defined _POSIX_C_SOURCE && _POSIX_C_SOURCE >= 200112L)
#define HAVE_STRTOLL 1
#endif
-#if _XOPEN_SOURCE >= 600 || _ISOC99_SOURCE || _POSIX_C_SOURCE >= 200112L || C99
+#if (defined _XOPEN_SOURCE && _XOPEN_SOURCE >= 600) || \
+ (defined _ISOC99_SOURCE && _ISOC99_SOURCE) || \
+ (defined _POSIX_C_SOURCE && _POSIX_C_SOURCE >= 200112L) || \
+ C99
#define HAVE_STRTOF 1
#endif
-#if _ISOC99_SOURCE || C99
+#if (defined _ISOC99_SOURCE && _ISOC99_SOURCE) || C99
#define HAVE_STDBOOL 1
#endif
@@ -130,6 +150,10 @@
#define HAVE_STRDUP 0
#endif
+#ifndef HAVE_STRNDUP
+#define HAVE_STRNDUP 0
+#endif
+
#ifndef HAVE_STRNICMP
#define HAVE_STRNICMP 0
#endif
@@ -170,6 +194,10 @@
#define HAVE_STRTOF 0
#endif
+#ifndef HAVE_DTOSTRE
+#define HAVE_DTOSTRE 0
+#endif
+
#ifdef __cplusplus
}
#endif
--
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