X-Git-Url: http://www.dolda2000.com/gitweb/?a=blobdiff_plain;f=lib%2Futils.c;h=2b251e31e8518c33e2e33e45320802e85a027c57;hb=06c1a7183754349e29a6f4656d88d3f89e4f448a;hp=3dda9e5ed7e8955053e4e756b087b1056bccacb0;hpb=f2b26d44416abd494ce430659cfbbf254d9c3c55;p=ashd.git

diff --git a/lib/utils.c b/lib/utils.c
index 3dda9e5..2b251e3 100644
--- a/lib/utils.c
+++ b/lib/utils.c
@@ -163,7 +163,56 @@ void freeca(char **ca)
 {
     char **c;
     
+    if(ca == NULL)
+	return;
     for(c = ca; *c; c++)
 	free(*c);
     free(ca);
 }
+
+int calen(char **a)
+{
+    int i;
+    
+    for(i = 0; *a; a++, i++);
+    return(i);
+}
+
+void bvprintf(struct charbuf *buf, char *format, va_list al)
+{
+    va_list al2;
+    int ret;
+    
+    while(1) {
+	va_copy(al2, al);
+	ret = vsnprintf(buf->b + buf->d, buf->s - buf->d, format, al2);
+	va_end(al2);
+	if(ret < buf->s - buf->d) {
+	    buf->d += ret;
+	    return;
+	}
+	sizebuf(*buf, buf->d + ret + 1);
+    }
+}
+
+void bprintf(struct charbuf *buf, char *format, ...)
+{
+    va_list args;
+    
+    va_start(args, format);
+    bvprintf(buf, format, args);
+    va_end(args);
+}
+
+void replstr(char **p, char *n)
+{
+    char *tmp;
+    
+    tmp = *p;
+    if(n)
+	*p = sstrdup(n);
+    else
+	*p = NULL;
+    if(tmp)
+	free(tmp);
+}