lib/util Move alpha_strcpy() from s3 into common code

Autobuild-User: Andrew Bartlett <abartlet@samba.org>
Autobuild-Date: Thu Apr 14 09:21:59 CEST 2011 on sn-devel-104

2 files changed, 51 insertions, 46 deletions

diff --git a/lib/util/charset/util_unistr.c b/lib/util/charset/util_unistr.c
index ddb15f88f93..a1be501c7ce 100644
--- a/lib/util/charset/util_unistr.c
+++ b/lib/util/charset/util_unistr.c
@@ -39,52 +39,6 @@ _PUBLIC_ void string_replace_m(char *s, char oldc, char newc)
 }
 
 /**
- Paranoid strcpy into a buffer of given length (includes terminating
- zero. Strips out all but 'a-Z0-9' and the character in other_safe_chars
- and replaces with '_'. Deliberately does *NOT* check for multibyte
- characters. Don't change it !
-**/
-
-_PUBLIC_ char *alpha_strcpy(char *dest, const char *src, const char *other_safe_chars, size_t maxlength)
-{
-	size_t len, i;
-
-	if (maxlength == 0) {
-		/* can't fit any bytes at all! */
-		return NULL;
-	}
-
-	if (!dest) {
-		DEBUG(0,("ERROR: NULL dest in alpha_strcpy\n"));
-		return NULL;
-	}
-
-	if (!src) {
-		*dest = 0;
-		return dest;
-	}  
-
-	len = strlen(src);
-	if (len >= maxlength)
-		len = maxlength - 1;
-
-	if (!other_safe_chars)
-		other_safe_chars = "";
-
-	for(i = 0; i < len; i++) {
-		int val = (src[i] & 0xff);
-		if (isupper(val) || islower(val) || isdigit(val) || strchr_m(other_safe_chars, val))
-			dest[i] = src[i];
-		else
-			dest[i] = '_';
-	}
-
-	dest[i] = '\0';
-
-	return dest;
-}
-
-/**
  Convert a string to lower case, allocated with talloc
 **/
 _PUBLIC_ char *strlower_talloc_handle(struct smb_iconv_handle *iconv_handle,
diff --git a/lib/util/util_str_common.c b/lib/util/util_str_common.c
index e6671be8ad4..fe78d65020b 100644
--- a/lib/util/util_str_common.c
+++ b/lib/util/util_str_common.c
@@ -102,3 +102,54 @@ void string_replace( char *s, char oldc, char newc )
 		p += c_size;
 	}
 }
+
+
+/**
+ Paranoid strcpy into a buffer of given length (includes terminating
+ zero. Strips out all but 'a-Z0-9' and the character in other_safe_chars
+ and replaces with '_'. Deliberately does *NOT* check for multibyte
+ characters. Treats src as an array of bytes, not as a multibyte
+ string. Any byte >0x7f is automatically converted to '_'.
+ other_safe_chars must also contain an ascii string (bytes<0x7f).
+**/
+
+char *alpha_strcpy(char *dest,
+		   const char *src,
+		   const char *other_safe_chars,
+		   size_t maxlength)
+{
+	size_t len, i;
+
+	if (!dest) {
+		smb_panic("ERROR: NULL dest in alpha_strcpy");
+	}
+
+	if (!src) {
+		*dest = 0;
+		return dest;
+	}
+
+	len = strlen(src);
+	if (len >= maxlength)
+		len = maxlength - 1;
+
+	if (!other_safe_chars)
+		other_safe_chars = "";
+
+	for(i = 0; i < len; i++) {
+		int val = (src[i] & 0xff);
+		if (val > 0x7f) {
+			dest[i] = '_';
+			continue;
+		}
+		if (isupper(val) || islower(val) ||
+				isdigit(val) || strchr(other_safe_chars, val))
+			dest[i] = src[i];
+		else
+			dest[i] = '_';
+	}
+
+	dest[i] = '\0';
+
+	return dest;
+}