original files of m241

components/ip_net2-6.9/ipcom/src/ipcom_getinaddrprefixbyaddr.c

@@ -0,0 +1,198 @@
+/*
+ ******************************************************************************
+ *                     INTERPEAK SOURCE FILE
+ *
+ *   Document no: @(#) $Name: VXWORKS_ITER40_2019102207 $ $RCSfile: ipcom_getinaddrprefixbyaddr.c,v $ $Revision: 1.5 $
+ *   $Source: /home/interpeak/CVSRoot/ipcom/src/ipcom_getinaddrprefixbyaddr.c,v $
+ *   $Author: jhorteli $
+ *   $State: Exp $ $Locker:  $
+ *
+ *   INTERPEAK_COPYRIGHT_STRING
+ *   Design and implementation by Kenneth Jonsson <kenneth@interpeak.se>
+ ******************************************************************************
+ */
+
+
+/*
+ ****************************************************************************
+ * 1                    DESCRIPTION
+ ****************************************************************************
+ */
+
+/*
+ ****************************************************************************
+ * 2                    CONFIGURATION
+ ****************************************************************************
+ */
+
+#include "ipcom_config.h"
+
+
+/*
+ ****************************************************************************
+ * 3                    INCLUDE FILES
+ ****************************************************************************
+ */
+
+#define IPCOM_USE_CLIB_PROTO
+#include "ipcom_type.h"
+#include "ipcom_clib.h"
+#include "ipcom_cstyle.h"
+#include "ipcom_inet.h"
+
+/*
+ ****************************************************************************
+ * 4                    DEFINES
+ ****************************************************************************
+ */
+
+/*
+ ****************************************************************************
+ * 5                    TYPES
+ ****************************************************************************
+ */
+
+/*
+ ****************************************************************************
+ * 6                    EXTERN PROTOTYPES
+ ****************************************************************************
+ */
+
+/*
+ ****************************************************************************
+ * 7                    LOCAL PROTOTYPES
+ ****************************************************************************
+ */
+
+/*
+ ****************************************************************************
+ * 8                    DATA
+ ****************************************************************************
+ */
+
+/*
+ ****************************************************************************
+ * 9                    STATIC FUNCTIONS
+ ****************************************************************************
+ */
+
+/*
+ ****************************************************************************
+ * 10                   GLOBAL FUNCTIONS
+ ****************************************************************************
+ */
+
+/*
+ ****************************************************************************
+ * 11                   PUBLIC FUNCTIONS
+ ****************************************************************************
+ */
+
+
+/*
+ *===========================================================================
+ *                    ipcom_getsockaddrbyaddr
+ *===========================================================================
+ * Description:
+ * Parameters:
+ * Returns:
+ *
+ */
+IP_PUBLIC int
+ipcom_getinaddrprefixbyaddr(int domain, IP_CONST char *straddr, void *inprefix, int *prefixlen)
+{
+    char *str_prefix;
+    char *str_len;
+    int   max_len = 0;
+    int   ret = IP_ERRNO_EINVAL;
+
+#ifdef IPCOM_USE_INET
+    if (domain == IP_AF_INET)
+        max_len = 31;
+#endif
+#ifdef IPCOM_USE_INET6
+    if (domain == IP_AF_INET6)
+        max_len = 127;
+#endif
+
+    str_len = str_prefix = ipcom_strdup(straddr);
+    if (str_prefix == IP_NULL)
+    {
+        ret = IP_ERRNO_ENOMEM;
+        goto cleanup;
+    }
+
+    while (*str_len != '/')
+    {
+        if (*str_len == '\0')
+            goto cleanup;
+        str_len++;
+    }
+    *str_len++ = '\0';
+    if (ipcom_inet_pton(domain, str_prefix, inprefix) != 1)
+        goto cleanup;
+
+    *prefixlen = ipcom_atoi(str_len);
+    if (*prefixlen < 1 || *prefixlen > max_len)
+        goto cleanup;
+
+    ret = 0;
+ cleanup:
+    ipcom_free(str_prefix);
+    (void)ipcom_errno_set(ret);
+    return ret == 0 ? 0 : -1;
+}
+
+
+IP_PUBLIC int
+ipcom_getinaddrprefixbyaddr2(int domain, IP_CONST char *straddr, void *inprefix, int *prefixlen)
+{
+    char *str_prefix;
+    char *str_len;
+    int   max_len = 0;
+    int   ret = IP_ERRNO_EINVAL;
+
+#ifdef IPCOM_USE_INET
+    if (domain == IP_AF_INET)
+        max_len = 32;
+#endif
+#ifdef IPCOM_USE_INET6
+    if (domain == IP_AF_INET6)
+        max_len = 128;
+#endif
+
+    str_len = str_prefix = ipcom_strdup(straddr);
+    if (str_prefix == IP_NULL)
+    {
+        ret = IP_ERRNO_ENOMEM;
+        goto cleanup;
+    }
+
+    while (*str_len != '/')
+    {
+        if (*str_len == '\0')
+            goto cleanup;
+        str_len++;
+    }
+    *str_len++ = '\0';
+    if (ipcom_inet_pton(domain, str_prefix, inprefix) != 1)
+        goto cleanup;
+
+    *prefixlen = ipcom_atoi(str_len);
+    if (*prefixlen < 1 || *prefixlen > max_len)
+        goto cleanup;
+
+    ret = 0;
+ cleanup:
+    ipcom_free(str_prefix);
+    (void)ipcom_errno_set(ret);
+    return ret == 0 ? 0 : -1;
+}
+
+
+/*
+ ****************************************************************************
+ *                      END OF FILE
+ ****************************************************************************
+ */
+