Initial commit of Command & Conquer Red Alert source code.

CODE/READLINE.CPP

@@ -0,0 +1,89 @@
+/*
+**	Command & Conquer Red Alert(tm)
+**	Copyright 2025 Electronic Arts Inc.
+**
+**	This program is free software: you can redistribute it and/or modify
+**	it under the terms of the GNU General Public License as published by
+**	the Free Software Foundation, either version 3 of the License, or
+**	(at your option) any later version.
+**
+**	This program is distributed in the hope that it will be useful,
+**	but WITHOUT ANY WARRANTY; without even the implied warranty of
+**	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+**	GNU General Public License for more details.
+**
+**	You should have received a copy of the GNU General Public License
+**	along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+
+#include	<ctype.h>
+#include	<string.h>
+#include	"wwfile.h"
+#include	"xstraw.h"
+#include	"readline.h"
+
+
+// Disable the "temporary object used to initialize a non-constant reference" warning.
+#pragma warning 665 9
+
+
+void strtrim(char * buffer)
+{
+	if (buffer) {
+
+		/*
+		**	Strip leading white space from the string.
+		*/
+		char * source = buffer;
+		while (isspace(*source)) {
+			source++;
+		}
+		if (source != buffer) {
+			strcpy(buffer, source);
+		}
+
+		/*
+		**	Clip trailing white space from the string.
+		*/
+		for (int index = strlen(buffer)-1; index >= 0; index--) {
+			if (isspace(buffer[index])) {
+				buffer[index] = '\0';
+			} else {
+				break;
+			}
+		}
+	}
+}
+
+
+
+int Read_Line(FileClass & file, char * buffer, int len, bool & eof)
+{
+	return(Read_Line(FileStraw(file), buffer, len, eof));
+}
+
+
+int Read_Line(Straw & file, char * buffer, int len, bool & eof)
+{
+	if (len == 0 || buffer == NULL) return(0);
+
+	int count = 0;
+	for (;;) {
+		char c;
+		if (file.Get(&c, sizeof(c)) != sizeof(c)) {
+			eof = true;
+			buffer[0] = '\0';
+			break;
+		}
+
+		if (c == '\x0A') break;
+		if (c != '\x0D' && count+1 < len) {
+			buffer[count++] = c;
+		}
+	}
+	buffer[count] = '\0';
+
+	strtrim(buffer);
+	return(strlen(buffer));
+}