X-Git-Url: http://git.indexdata.com/?p=yaz-moved-to-github.git;a=blobdiff_plain;f=src%2Fatoin.c;h=50a8381f8a806bb860a324ea71947bed75c67419;hp=7460220f7156f7cfb0e0668054de63a9aeb0a37f;hb=1fbd038d97d6e1bfe97270ecc17cca123bcc435c;hpb=379504a233e3e2cc85bca1e7b6d864f1395aec7c

diff --git a/src/atoin.c b/src/atoin.c
index 7460220..50a8381 100644
--- a/src/atoin.c
+++ b/src/atoin.c
@@ -1,5 +1,5 @@
 /* This file is part of the YAZ toolkit.
- * Copyright (C) 1995-2009 Index Data
+ * Copyright (C) 1995-2011 Index Data
  * See the file LICENSE for details.
  */
 
@@ -16,22 +16,29 @@
 #include <ctype.h>
 #include <yaz/marcdisp.h>
 
-/**
- * atoi_n: like atoi but reads at most len characters.
- */
-int atoi_n (const char *buf, int len)
+int atoi_n(const char *buf, int len)
 {
     int val = 0;
 
     while (--len >= 0)
     {
-        if (isdigit (*(const unsigned char *) buf))
+        if (isdigit(*(const unsigned char *) buf))
             val = val*10 + (*buf - '0');
         buf++;
     }
     return val;
 }
 
+int atoi_n_check(const char *buf, int size, int *val)
+{
+    int i;
+    for (i = 0; i < size; i++)
+        if (!isdigit(i[(const unsigned char *) buf]))
+            return 0;
+    *val = atoi_n(buf, size);
+    return 1;
+}
+
 /*
  * Local variables:
  * c-basic-offset: 4