X-Git-Url: http://www.dolda2000.com/gitweb/?p=ashd.git;a=blobdiff_plain;f=lib%2Freq.c;h=2f975c90ebdc3f33bb47b3e2f6ae22cc148c3579;hp=4cde483783871a2d1e0a785274fd203e62411375;hb=c7b1ef35df69f303e185a1f53f97f4106dc0c3af;hpb=33f29d6778ddc733a054e07d0d255f63a77797ac

diff --git a/lib/req.c b/lib/req.c
index 4cde483..2f975c9 100644
--- a/lib/req.c
+++ b/lib/req.c
@@ -95,9 +95,11 @@ static void trim(struct charbuf *buf)
 {
     char *p;
     
-    for(p = buf->b; (p - buf->b < buf->d) && isspace(*p); p++);
-    memmove(buf->b, p, buf->d -= (p - buf->b));
-    for(p = buf->b + buf->d - 1; (p > buf->b) && isspace(*p); p--, buf->d--);
+    if(buf->d > 0) {
+	for(p = buf->b; (p - buf->b < buf->d) && isspace(*p); p++);
+	memmove(buf->b, p, buf->d -= (p - buf->b));
+	for(p = buf->b + buf->d - 1; (p > buf->b) && isspace(*p); p--, buf->d--);
+    }
 }
 
 int parseheaders(struct hthead *head, FILE *in)