X-Git-Url: http://winboard.nl/cgi-bin?a=blobdiff_plain;f=parser.c;h=973d10922076f7df3674f9afea33d1a47fb8a1da;hb=065c7fdfab3182e5d5117a4c11b71eca40b70e12;hp=407b92e0abdea6f322054930c5d1f0486e27c0ab;hpb=2d966e8e4f88f9e98356a130ac43d43d67041762;p=xboard.git

diff --git a/parser.c b/parser.c
index 407b92e..973d109 100644
--- a/parser.c
+++ b/parser.c
@@ -44,6 +44,7 @@ int ReadLine()
 {   // Read one line from the input file, and append to the buffer
     char c, *start = inPtr;
     if(fromString) return 0; // parsing string, so the end is a hard end
+    if(!inputFile) return 0;
     while((c = fgetc(inputFile)) != EOF) {
 	*inPtr++ = c;
 	if(c == '\n') { *inPtr = NULLCHAR; return 1; }
@@ -521,12 +522,16 @@ void yynewfile (FILE *f)
 {   // prepare parse buffer for reading file
     inputFile = f;
     inPtr = parsePtr = inputBuf;
+    fromString = 0;
     lastChar = '\n';
     *inPtr = NULLCHAR; // make sure we will start by reading a line
 }
 
 void yynewstr P((char *s))
 {
+    parsePtr = s;
+    inputFile = NULL;
+    fromString = 1;
 }
 
 int yylex()