From 3c5ca89152f962e0887bd5cf607c69a52c3dd575 Mon Sep 17 00:00:00 2001
From: Jan Breuer <jan.breuer@jaybee.cz>
Date: 周二, 31 5月 2016 21:50:42 +0800
Subject: [PATCH] Rework compiler detection, fix SCPI_dtostre length limitation
---
libscpi/inc/scpi/config.h | 148 +++++++++++++++++++++++-------------------------
1 files changed, 71 insertions(+), 77 deletions(-)
diff --git a/libscpi/inc/scpi/config.h b/libscpi/inc/scpi/config.h
index 7473d9d..debe03d 100644
--- a/libscpi/inc/scpi/config.h
+++ b/libscpi/inc/scpi/config.h
@@ -41,6 +41,8 @@
extern "C" {
#endif
+#include "cc.h"
+
#ifdef SCPI_USER_CONFIG
#include "scpi_user_config.h"
#endif
@@ -167,68 +169,6 @@
#define USE_UNITS_ELECTRIC_CHARGE_CONDUCTANCE SYSTEM_TYPE
#endif
-/* Compiler specific */
-/* RealView/Keil ARM Compiler, e.g. Cortex-M CPUs */
-#if defined(__CC_ARM)
-#define HAVE_STRNLEN 0
-#define HAVE_STRNCASECMP 1
-#define HAVE_STRNICMP 0
-#endif
-
-/* National Instruments (R) CVI x86/x64 PC platform */
-#if defined(_CVI_)
-#define HAVE_STRNLEN 0
-#define HAVE_STRNCASECMP 0
-#define HAVE_STRNICMP 1
-#define HAVE_STDBOOL 0
-#endif
-
-/* 8bit PIC - PIC16, etc */
-#if defined(_MPC_)
-#define HAVE_STRNLEN 0
-#define HAVE_STRNCASECMP 0
-#define HAVE_STRNICMP 1
-#endif
-
-/* PIC24 */
-#if defined(__C30__)
-#define HAVE_STRNLEN 0
-#define HAVE_STRNCASECMP 0
-#define HAVE_STRNICMP 0
-#endif
-
-/* PIC32mx */
-#if defined(__C32__)
-#define HAVE_STRNLEN 0
-#define HAVE_STRNCASECMP 0
-#define HAVE_STRNICMP 0
-#define isfinite finite
-#define signbit(x) ((x)<0)
-#endif
-
-/* AVR libc */
-#if defined(__AVR__)
-#include <stdlib.h>
-#define HAVE_DTOSTRE 1
-#endif
-
-/* ======== test strnlen ======== */
-#ifndef HAVE_STRNLEN
-#define HAVE_STRNLEN 1
-#endif
-/* ======== test strncasecmp ======== */
-#ifndef HAVE_STRNCASECMP
-#define HAVE_STRNCASECMP 1
-#endif
-/* ======== test strnicmp ======== */
-#ifndef HAVE_STRNICMP
-#define HAVE_STRNICMP 0
-#endif
-
-#ifndef HAVE_STDBOOL
-#define HAVE_STDBOOL 1
-#endif
-
/* define local macros depending on existance of strnlen */
#if HAVE_STRNLEN
#define SCPIDEFINE_strnlen(s, l) strnlen((s), (l))
@@ -249,36 +189,90 @@
#define SCPIDEFINE_floatToStr(v, s, l) dtostre((double)(v), (s), 6, DTOSTR_PLUS_SIGN | DTOSTR_ALWAYS_SIGN | DTOSTR_UPPERCASE)
#elif USE_CUSTOM_DTOSTRE
#define SCPIDEFINE_floatToStr(v, s, l) SCPI_dtostre((v), (s), (l), 6, 0)
-#else
+#elif HAVE_SNPRINTF
#define SCPIDEFINE_floatToStr(v, s, l) snprintf((s), (l), "%g", (v))
+#else
+#define SCPIDEFINE_floatToStr(v, s, l) SCPI_dtostre((v), (s), (l), 6, 0)
#endif
#if HAVE_DTOSTRE
#define SCPIDEFINE_doubleToStr(v, s, l) dtostre((v), (s), 15, DTOSTR_PLUS_SIGN | DTOSTR_ALWAYS_SIGN | DTOSTR_UPPERCASE)
#elif USE_CUSTOM_DTOSTRE
#define SCPIDEFINE_doubleToStr(v, s, l) SCPI_dtostre((v), (s), (l), 15, 0)
-#else
+#elif HAVE_SNPRINTF
#define SCPIDEFINE_doubleToStr(v, s, l) snprintf((s), (l), "%.15lg", (v))
+#else
+#define SCPIDEFINE_doubleToStr(v, s, l) SCPI_dtostre((v), (s), (l), 15, 0)
#endif
#if USE_DEVICE_DEPENDENT_ERROR_INFORMATION
-#if USE_MEMORY_ALLOCATION_FREE
-#include <stdlib.h>
-#include <string.h>
-#define SCPIDEFINE_DESCRIPTION_MAX_PARTS 2
-#define SCPIDEFINE_strndup(h, s, l) strndup((s), (l))
-#define SCPIDEFINE_free(h, s, r) free((s))
+ #if USE_MEMORY_ALLOCATION_FREE
+ #include <stdlib.h>
+ #include <string.h>
+ #define SCPIDEFINE_DESCRIPTION_MAX_PARTS 2
+ #if HAVE_STRNDUP
+ #define SCPIDEFINE_strndup(h, s, l) strndup((s), (l))
+ #else
+ #define SCPIDEFINE_strndup(h, s, l) OUR_strndup((s), (l))
+ #endif
+ #define SCPIDEFINE_free(h, s, r) free((s))
+ #else
+ #define SCPIDEFINE_DESCRIPTION_MAX_PARTS 3
+ #define SCPIDEFINE_strndup(h, s, l) scpiheap_strndup((h), (s), (l))
+ #define SCPIDEFINE_free(h, s, r) scpiheap_free((h), (s), (r))
+ #define SCPIDEFINE_get_parts(h, s, l1, s2, l2) scpiheap_get_parts((h), (s), (l1), (s2), (l2))
+ #endif
#else
-#define SCPIDEFINE_DESCRIPTION_MAX_PARTS 3
-#define SCPIDEFINE_strndup(h, s, l) scpiheap_strndup((h), (s), (l))
-#define SCPIDEFINE_free(h, s, r) scpiheap_free((h), (s), (r))
-#define SCPIDEFINE_get_parts(h, s, l1, s2, l2) scpiheap_get_parts((h), (s), (l1), (s2), (l2))
+ #define SCPIDEFINE_DESCRIPTION_MAX_PARTS 1
+ #define SCPIDEFINE_strndup(h, s, l) NULL
+ #define SCPIDEFINE_free(h, s, r)
#endif
+
+#if HAVE_SIGNBIT
+ #define SCPIDEFINE_signbit(n) signbit(n)
#else
-#define SCPIDEFINE_DESCRIPTION_MAX_PARTS 1
-#define SCPIDEFINE_strndup(h, s, l) NULL
-#define SCPIDEFINE_free(h, s, r)
+ #define SCPIDEFINE_signbit(n) ((n)<0)
+#endif
+
+#if HAVE_ISFINITE
+ #define SCPIDEFINE_isfinite(n) isfinite(n)
+#elif HAVE_FINITE
+ #define SCPIDEFINE_isfinite(n) finite(n)
+#else
+ #define SCPIDEFINE_isfinite(n) (!SCPIDEFINE_isnan((n)) && ((n) < INFINITY) && ((n) > -INFINITY))
+#endif
+
+#if HAVE_STRTOF
+ #define SCPIDEFINE_strtof(n, p) strtof((n), (p))
+#else
+ #define SCPIDEFINE_strtof(n, p) strtod((n), (p))
+#endif
+
+#if HAVE_STRTOLL
+ #define SCPIDEFINE_strtoll(n, p, b) strtoll((n), (p), (b))
+ #define SCPIDEFINE_strtoull(n, p, b) strtoull((n), (p), (b))
+#else
+ #define SCPIDEFINE_strtoll(n, p, b) strtoll((n), (p), (b))
+ #define SCPIDEFINE_strtoull(n, p, b) strtoull((n), (p), (b))
+ extern long long int strtoll(const char *nptr, char **endptr, int base);
+ extern unsigned long long int strtoull(const char *nptr, char **endptr, int base);
+ /* TODO: implement OUR_strtoll and OUR_strtoull */
+ /* #warning "64bit string to int conversion not implemented" */
+#endif
+
+#if HAVE_ISNAN
+ #define SCPIDEFINE_isnan(n) isnan((n))
+#else
+ #define SCPIDEFINE_isnan(n) ((n) != (n))
+#endif
+
+#ifndef NAN
+ #define NAN (0.0 / 0.0)
+#endif
+
+#ifndef INFINITY
+ #define INFINITY (1.0 / 0.0)
#endif
#ifdef __cplusplus
--
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