Add errno (bug #3063)

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/v1-0@4513 65c4cc65-6c06-0410-ace0-fbb531ad65f3

cdr/cdr_csv.c

@@ -33,6 +33,7 @@
 
 #include <stdio.h>
 #include <string.h>
+#include <errno.h>
 
 #include <stdlib.h>
 #include <unistd.h>
@@ -218,7 +219,7 @@ static int csv_log(struct ast_cdr *cdr)
 		   we open write and close the log file each time */
 		mf = fopen(csvmaster, "a");
 		if (!mf) {
-			ast_log(LOG_ERROR, "Unable to re-open master file %s\n", csvmaster);
+			ast_log(LOG_ERROR, "Unable to re-open master file %s : %s\n", csvmaster, strerror(errno));
 		}
 		if (mf) {
 			fputs(buf, mf);
@@ -228,7 +229,7 @@ static int csv_log(struct ast_cdr *cdr)
 		}
 		if (!ast_strlen_zero(cdr->accountcode)) {
 			if (writefile(buf, cdr->accountcode))
-				ast_log(LOG_WARNING, "Unable to write CSV record to account file '%s'\n", cdr->accountcode);
+				ast_log(LOG_WARNING, "Unable to write CSV record to account file '%s' : %s\n", cdr->accountcode, strerror(errno));
 		}
 	}
 	return 0;