1 files changed, 130 insertions, 0 deletions
diff --git a/lib/libsi18n/txtfile.c b/lib/libsi18n/txtfile.c
new file mode 100644
index 00000000..a88d1672
--- /dev/null
+++ b/lib/libsi18n/txtfile.c
@@ -0,0 +1,130 @@
+/** BEGIN COPYRIGHT BLOCK
+ * Copyright 2001 Sun Microsystems, Inc.
+ * Portions copyright 1999, 2001-2003 Netscape Communications Corporation.
+ * All rights reserved.
+ * END COPYRIGHT BLOCK **/
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+
+#include "txtfile.h"
+
+
+
+#if 0
+char fileBuffer[FILE_BUFFER_SIZE + 1];
+char *fbCurrent;
+int  fbSize;
+int fbStatus;
+#endif
+
+
+TEXTFILE * OpenTextFile(char *filename, int access)
+{
+    TEXTFILE *txtfile;
+    FILE *file;
+    int status;
+
+    if (access == TEXT_OPEN_FOR_WRITE) {
+        status = TEXT_FILE_WRITING;
+	    file = fopen(filename, "w+");
+    }
+    else {
+        status = TEXT_FILE_READING;
+	    file = fopen(filename, "r");
+    }
+
+    if (file == NULL)
+        return NULL;
+
+    txtfile = (TEXTFILE *) malloc (sizeof(TEXTFILE));
+    memset(txtfile, 0, sizeof(TEXTFILE));
+
+    txtfile->file = file;
+    txtfile->fbStatus = status;
+
+	txtfile->fbCurrent = txtfile->fileBuffer;
+	*txtfile->fbCurrent = '\0';
+	txtfile->fbSize = 0;
+    return txtfile;
+}
+
+
+void CloseTextFile(TEXTFILE *txtfile)
+{
+    if (txtfile) {
+	    fclose(txtfile->file);
+        free(txtfile);
+    }
+    
+}
+
+int FillTextBuffer(TEXTFILE *txtfile)
+{
+	int nLeft, size;
+	nLeft = strlen(txtfile->fbCurrent); 
+	memcpy(txtfile->fileBuffer, txtfile->fbCurrent, nLeft+1);
+
+	size = fread(txtfile->fileBuffer + nLeft, 1, FILE_BUFFER_SIZE - nLeft, txtfile->file);
+	if (size == 0)
+		return 0;
+
+	txtfile->fbCurrent = txtfile->fileBuffer;
+	*(txtfile->fbCurrent + size + nLeft) = '\0';
+	txtfile->fbSize = size + nLeft;
+
+	return size;
+}
+
+int ReadTextLine(TEXTFILE *txtfile, char *linebuf)
+{
+	char *p, *q;
+
+    if (txtfile->fbStatus == TEXT_FILE_DONE)
+        return -1;
+
+	p = txtfile->fbCurrent;
+	q = strchr(p, '\n');
+	if (q)
+	{
+		*q = '\0';
+		strcpy(linebuf, p);
+		txtfile->fbCurrent = q + 1;
+		return strlen(linebuf);
+	}
+	else
+	{
+		if (FillTextBuffer(txtfile) == 0)
+		{   /* Done with file reading,
+               return last line
+             */
+            txtfile->fbStatus = TEXT_FILE_DONE;
+            if (*txtfile->fbCurrent) {
+			    strcpy(linebuf, txtfile->fbCurrent);
+                CloseTextFile(txtfile);
+                return strlen(linebuf);
+            }
+            else {
+                CloseTextFile(txtfile);
+                return -1;
+            }
+		}
+        else { 
+		    p = txtfile->fbCurrent;
+		    q = strchr(p, '\n');
+		    if (q)
+		    {
+			    *q = '\0';
+			    strcpy(linebuf, p);
+			    txtfile->fbCurrent = q + 1;
+		    }
+		    else
+		    {
+			    strcpy(linebuf, txtfile->fbCurrent);
+			    txtfile->fbCurrent = txtfile->fbCurrent + strlen(linebuf);
+		    }
+        }
+		return strlen(linebuf);
+	}
+}