(crc_init_table) Check if table is already inited.

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@3671 ec53bebd-3082-4978-b11e-865c3cabbd6b
1997-10-27 23:11:17 +00:00
parent 7c080fb4a3
commit a0f3788a2f
1 changed files with 3 additions and 0 deletions
--- a/lib/krb5/crc.c
+++ b/lib/krb5/crc.c
@@ -50,9 +50,11 @@ static u_long table[256];
 void
 crc_init_table(void)
 {
+    static int flag = 0;
    unsigned long crc, poly;
    int     i, j;
    
+    if(flag) return;
    poly = CRC_GEN;
    for (i = 0; i < 256; i++) {
 	crc = i;
@@ -65,6 +67,7 @@ crc_init_table(void)
 	}
 	table[i] = crc;
    }
+    flag = 1;
 }

 u_int32_t