From 6bc097eba30c30c45bd7c89d97991428b53660dc Mon Sep 17 00:00:00 2001
From: Jan Breuer <jan.breuer@jaybee.cz>
Date: 周三, 24 9月 2014 22:50:27 +0800
Subject: [PATCH] Update units.c - add support for INFinity
---
libscpi/src/utils.c | 26 ++++++++++++++------------
1 files changed, 14 insertions(+), 12 deletions(-)
diff --git a/libscpi/src/utils.c b/libscpi/src/utils.c
index 78b7efe..90f6ed4 100644
--- a/libscpi/src/utils.c
+++ b/libscpi/src/utils.c
@@ -41,7 +41,7 @@
#include <string.h>
#include <ctype.h>
-#include "utils.h"
+#include "utils_private.h"
static size_t patternSeparatorShortPos(const char * pattern, size_t len);
static size_t patternSeparatorPos(const char * pattern, size_t len);
@@ -148,7 +148,7 @@
* @param len2
* @return TRUE if len1==len2 and "len" characters of both strings are equal
*/
-bool_t compareStr(const char * str1, size_t len1, const char * str2, size_t len2) {
+scpi_bool_t compareStr(const char * str1, size_t len1, const char * str2, size_t len2) {
if (len1 != len2) {
return FALSE;
}
@@ -235,7 +235,7 @@
* @param str_len
* @return
*/
-bool_t matchPattern(const char * pattern, size_t pattern_len, const char * str, size_t str_len) {
+scpi_bool_t matchPattern(const char * pattern, size_t pattern_len, const char * str, size_t str_len) {
int pattern_sep_pos_short = patternSeparatorShortPos(pattern, pattern_len);
return compareStr(pattern, pattern_len, str, str_len) ||
compareStr(pattern, pattern_sep_pos_short, str, str_len);
@@ -243,15 +243,16 @@
/**
* Compare pattern and command
- * @param pattern
+ * @param pattern eg. [:MEASure]:VOLTage:DC?
* @param cmd - command
* @param len - max search length
* @return TRUE if pattern matches, FALSE otherwise
*/
-bool_t matchCommand(const char * pattern, const char * cmd, size_t len) {
- bool_t result = FALSE;
+scpi_bool_t matchCommand(const char * pattern, const char * cmd, size_t len) {
+ scpi_bool_t result = FALSE;
int leftFlag = 0; // flag for '[' on left
int rightFlag = 0; // flag for ']' on right
+ int cmd_sep_pos = 0;
const char * pattern_ptr = pattern;
int pattern_len = strlen(pattern);
@@ -261,7 +262,7 @@
size_t cmd_len = SCPI_strnlen(cmd, len);
const char * cmd_end = cmd + cmd_len;
- /* TODO: now support optional keywords in pattern style, e.g. [:MEASure]:VOLTage:DC? */
+ /* now support optional keywords in pattern style, e.g. [:MEASure]:VOLTage:DC? */
if (pattern_ptr[0] == '[') { // skip first '['
pattern_len--;
pattern_ptr++;
@@ -272,16 +273,17 @@
pattern_ptr++;
}
- /* errornouse ":*IDN?" is handled in parser */
if (cmd_ptr[0] == ':') {
- cmd_len--;
- cmd_ptr++;
+ /* handle errornouse ":*IDN?" */
+ if((cmd_len >= 2) && (cmd_ptr[1] != '*')) {
+ cmd_len--;
+ cmd_ptr++;
+ }
}
while (1) {
int pattern_sep_pos = patternSeparatorPos(pattern_ptr, pattern_end - pattern_ptr);
- int cmd_sep_pos;
-
+
if ((leftFlag > 0) && (rightFlag > 0)) {
leftFlag--;
rightFlag--;
--
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