From: cherierm <cherierm@48e7efb5-ca39-0410-a469-dd3cf9ba447f>
Date: Wed, 4 Jun 2008 17:47:23 +0000 (+0000)
Subject: source code to manage the Windows Unix and Mac file formats.
X-Git-Tag: v3.3~423
X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/commitdiff_plain/b93bbbeb48fa3f92e3f8cf5d2c636ed7e0528a89?ds=sidebyside

source code to manage the Windows Unix and Mac file formats.

git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/simgrid/simgrid/trunk@5536 48e7efb5-ca39-0410-a469-dd3cf9ba447f
---

diff --git a/tools/tesh2/include/readline.h b/tools/tesh2/include/readline.h
new file mode 100644
index 0000000000..2298c3a690
--- /dev/null
+++ b/tools/tesh2/include/readline.h
@@ -0,0 +1,20 @@
+#ifndef __READLINE_H	
+#define __READLINE_H
+
+#include <com.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+long
+readline(FILE* stream, char **buf, size_t *n);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+
+#endif /* !__READLINE_H */
+
diff --git a/tools/tesh2/src/readline.c b/tools/tesh2/src/readline.c
new file mode 100644
index 0000000000..6a2c674340
--- /dev/null
+++ b/tools/tesh2/src/readline.c
@@ -0,0 +1,80 @@
+#include <readline.h>
+
+XBT_LOG_EXTERNAL_DEFAULT_CATEGORY(tesh);
+
+long
+readline(FILE* stream, char **buf, size_t *n)
+{
+	size_t i;
+	int ch;
+	int cr = 0;
+	fpos_t pos;
+
+	if (!*buf) {
+	*buf = calloc(512, sizeof(char));
+	*n = 512;
+	}
+
+	if (feof(stream))
+	return (ssize_t)-1;
+
+	for (i=0; (ch = fgetc(stream)) != EOF; i++)  
+	{
+		if (i >= (*n) + 1)
+			*buf = xbt_realloc(*buf, *n += 512);
+			
+
+			(*buf)[i] = ch;
+			
+			if(cr && (*buf)[i] != '\n')
+			{
+				/* old Mac os uses CR */
+				i--;
+				(*buf)[i] = '\n';
+				
+				/* move to the previous pos (pos of the CR) */
+				fsetpos(stream, &pos);
+				
+				/* process as linux now */
+				cr --;
+			}
+			
+			if((*buf)[i] == '\n')  
+			{
+				if(cr)
+				{
+					/* Windows uses CRLF */
+					(*buf)[i - 1] = '\n';
+					(*buf)[i] = '\0';
+					break;
+				}
+				else
+				{
+					/* Unix use LF */
+					i++;
+					(*buf)[i] = '\0';
+					break;
+				}
+			}  
+			else if(ch == '\r')
+			{
+				cr ++;
+				
+				/* register the CR position for mac */
+				fgetpos(stream, &pos);
+			}
+	}
+	
+	
+	if (i == *n) 
+		*buf = xbt_realloc(*buf, *n += 1);
+
+	/* Mac os file ended with a blank line */
+	if(ch == EOF && (*buf)[i - 1] == '\r')
+		(*buf)[i - 1] = '\n';
+
+	(*buf)[i] = '\0';
+
+	return (ssize_t)i;
+}
+