[Ttssh2-commit] [8365] 改行コードの変換に失敗しないよう修正

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scmno****@osdn***** scmno****@osdn*****
2019年 11月 6日 (水) 22:28:03 JST


Revision: 8365
          https://osdn.net/projects/ttssh2/scm/svn/commits/8365
Author:   zmatsuo
Date:     2019-11-06 22:28:02 +0900 (Wed, 06 Nov 2019)
Log Message:
-----------
改行コードの変換に失敗しないよう修正

Modified Paths:
--------------
    branches/unicode_buf/teraterm/teraterm/sendmem.cpp

-------------- next part --------------
Modified: branches/unicode_buf/teraterm/teraterm/sendmem.cpp
===================================================================
--- branches/unicode_buf/teraterm/teraterm/sendmem.cpp	2019-11-06 13:27:51 UTC (rev 8364)
+++ branches/unicode_buf/teraterm/teraterm/sendmem.cpp	2019-11-06 13:28:02 UTC (rev 8365)
@@ -351,7 +351,7 @@
 /*
  *	\x89\xFC\x8Ds\x83R\x81[\x83h\x82\xF0LF(0x0a)\x82\xBE\x82\xAF\x82ɂ\xB7\x82\xE9
  *
- *	@param [in]	*src_		\x95\xB6\x8E\x9A\x97\xF1\x82ւ̃|\x83C\x83\x93\x83^
+ *	@param [in]	*src		\x95\xB6\x8E\x9A\x97\xF1\x82ւ̃|\x83C\x83\x93\x83^
  *	@param [in] *len		\x93\xFC\x97͕\xB6\x8E\x9A\x97\xF1\x92\xB7(0\x82̂Ƃ\xAB\x93\xE0\x95\x94\x82ŕ\xB6\x8E\x9A\x97񒷂𑪂\xE9)
  *	@param [out] *len		\x8Fo\x97͕\xB6\x8E\x9A\x97\xF1\x92\xB7
  *	@return					\x95ϊ\xB7\x8C㕶\x8E\x9A\x97\xF1(malloc\x82\xB3\x82ꂽ\x97̈\xE6)
@@ -367,42 +367,28 @@
 		return NULL;
 	}
 
-	// LF(0x0a),CR(0x0d)\x82\xAA\x82\xA0\x82邩\x92\xB2\x82ׂ\xE9
+	// CR+LF -> LF
+	// CR    -> LF
+	// LF    -> LF (\x95ϊ\xB7\x95s\x97v)
 	int cr_count = 0;
 	int lf_count = 0;
 	const wchar_t *p = src;
-	for (size_t i = 0; i < src_len; i++) {
+	const wchar_t *p_end = src + src_len;
+	wchar_t *dest = dest_top;
+	while (p < p_end) {
 		wchar_t c = *p++;
-		if (c == CR) {	// 0x0d
-			cr_count++;
-		} else if (c == LF) {	// 0x0d
-			lf_count++;
-		}
-	}
-
-	wchar_t *dest = dest_top;
-	if (lf_count == 0 && cr_count != 0) {
-		// LF\x82Ȃ\xB5\x81ACR\x82̂\xDD
-		// CR\x82\xF0LF\x82ɕϊ\xB7\x82\xB7\x82\xE9
-		for (size_t i = 0; i < src_len; i++) {
-			wchar_t c = *src++;
-			*dest++ = (c == CR) ? LF : c;
-		}
-	} else if (lf_count != 0 && cr_count != 0) {
-		// CR\x81ALF\x82Ƃ\xE0\x82\xA0\x82\xE8
-		// CR\x82\xF0\x8ÊĂ\xE9
-		for (size_t i = 0; i < src_len; i++) {
-			wchar_t c = *src++;
-			if (c == CR) {
-				continue;
+		if (c == CR) {
+			if (*p == LF) {
+				// CR+LF -> LF
+				p++;
+				*dest++ = LF;
+			} else {
+				// CR -> LF
+				*dest++ = LF;
 			}
+		} else {
 			*dest++ = c;
 		}
-	} else {
-		// CR\x82̂\xDD or \x89\xFC\x8Ds\x82\xAA\x91S\x82\xAD\x82Ȃ\xA2
-		// \x95ϊ\xB7\x95s\x97v
-		memcpy(dest , src, sizeof(wchar_t) * src_len);
-		dest += src_len;
 	}
 
 	*len = dest - dest_top;


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