From 04a85b3b36fdbaaac5fa95d61f59f481bbcf7520 Mon Sep 17 00:00:00 2001
From: wdenk <wdenk>
Date: Thu, 15 Apr 2004 18:22:41 +0000
Subject: * Patches by Pantelis Antoniou, 30 Mar 2004:   - add auto-complete
 support to the U-Boot CLI   - add support for NETTA and NETPHONE boards; fix
 NETVIA board

* Patch by Yuli Barcohen, 28 Mar 2004:
  - Add support for MPC8272 family including MPC8247/8248/8271/8272
  - Add support for MPC8272ADS evaluation board (another flavour of MPC8260ADS)
  - Change configuration method for MPC8260ADS family
---
 common/env_common.c | 41 +++++++++++++++++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)

(limited to 'common/env_common.c')

diff --git a/common/env_common.c b/common/env_common.c
index e7ee4991f..d46f24f60 100644
--- a/common/env_common.c
+++ b/common/env_common.c
@@ -260,3 +260,44 @@ void env_relocate (void)
 	disable_nvram();
 #endif
 }
+
+#ifdef CONFIG_AUTO_COMPLETE
+int env_complete(char *var, int maxv, char *cmdv[], int bufsz, char *buf)
+{
+	int i, nxt, len, vallen, found;
+	const char *lval, *rval;
+
+	found = 0;
+	cmdv[0] = NULL;
+
+	len = strlen(var);
+	/* now iterate over the variables and select those that match */
+	for (i=0; env_get_char(i) != '\0'; i=nxt+1) {
+
+		for (nxt=i; env_get_char(nxt) != '\0'; ++nxt)
+			;
+
+		lval = env_get_addr(i);
+		rval = strchr(lval, '=');
+		if (rval != NULL) {
+			vallen = rval - lval;
+			rval++;
+		} else
+			vallen = strlen(lval);
+
+		if (len > 0 && (vallen < len || memcmp(lval, var, len) != 0))
+			continue;
+
+		if (found >= maxv - 2 || bufsz < vallen + 1) {
+			cmdv[found++] = "...";
+			break;
+		}
+		cmdv[found++] = buf;
+		memcpy(buf, lval, vallen); buf += vallen; bufsz -= vallen;
+		*buf++ = '\0'; bufsz--;
+	}
+
+	cmdv[found] = NULL;
+	return found;
+}
+#endif
-- 
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