X-Git-Url: http://winboard.nl/cgi-bin?p=xboard.git;a=blobdiff_plain;f=backend.c;h=c18fa3eb6ea146641af06f9fa9bca4745d9079a4;hp=196b8a0da2e16d8c4fe542182f68a9a87967596a;hb=28a742f1ef86e353f4eed6ec0841d483b29a5794;hpb=0560406e1440775b2158051b2c13324e5be7ee78

diff --git a/backend.c b/backend.c
index 196b8a0..c18fa3e 100644
--- a/backend.c
+++ b/backend.c
@@ -17176,8 +17176,10 @@ StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
   if (strncmp((*p), name, len) == 0
       && (*p)[len] == '=' && (*p)[len+1] == '\"') {
     (*p) += len + 2;
-    ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
-    sscanf(*p, "%[^\"]", *loc);
+    len = strlen(*p) + 1; if(len < MSG_SIZ && !strcmp(name, "option")) len = MSG_SIZ; // make sure string options have enough space to change their value
+    FREE(*loc); *loc = malloc(len);
+    strncpy(*loc, *p, len);
+    sscanf(*p, "%[^\"]", *loc); // should always fit, because we allocated at least strlen(*p)
     while (**p && **p != '\"') (*p)++;
     if (**p == '\"') (*p)++;
     snprintf(buf, MSG_SIZ, "accepted %s\n", name);