747ad310e5
git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@4994 212acab6-be3b-0410-9dea-997c60f758d6
64 lines
1.1 KiB
C++
64 lines
1.1 KiB
C++
/*
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** JNetLib
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** Copyright (C) 2000-2001 Nullsoft, Inc.
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** Author: Justin Frankel
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** File: util.cpp - JNL implementation of basic network utilities
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** License: see jnetlib.h
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*/
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#include "netinc.h"
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#include "util.h"
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int JNL::open_socketlib()
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{
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#ifdef _WIN32
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WSADATA wsaData;
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if (WSAStartup(MAKEWORD(1, 1), &wsaData)) return 1;
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#endif
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return 0;
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}
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void JNL::close_socketlib()
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{
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#ifdef _WIN32
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WSACleanup();
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#endif
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}
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unsigned long JNL::ipstr_to_addr(const char *cp)
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{
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return ::inet_addr(cp);
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}
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void JNL::addr_to_ipstr(unsigned long addr, char *host, int maxhostlen)
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{
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struct in_addr a; a.s_addr=addr;
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char *p=::inet_ntoa(a); strncpy(host,p?p:"",maxhostlen);
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}
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int my_atoi(char *s)
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{
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int sign=0;
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int v=0;
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if (*s == '-') { s++; sign++; }
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for (;;)
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{
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int c=*s++ - '0';
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if (c < 0 || c > 9) break;
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v*=10;
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v+=c;
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}
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if (sign) return -(int) v;
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return (int)v;
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}
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void mini_memset(void *o,char i,int l)
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{
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char *oo=(char*)o;
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while (l-- > 0) *oo++=i;
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}
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void mini_memcpy(void *o,void*i,int l)
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{
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char *oo=(char*)o;
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char *ii=(char*)i;
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while (l-- > 0) *oo++=*ii++;
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}
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