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