/[jscoverage]/trunk/http-host.c
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revision 118 by siliconforks, Sat May 31 22:32:16 2008 UTC revision 427 by siliconforks, Wed Feb 18 16:08:33 2009 UTC
# Line 1  Line 1 
1  /*  /*
2      http-host.c - thread-safe host lookup      http-host.c - thread-safe host lookup
3      Copyright (C) 2008 siliconforks.com      Copyright (C) 2008, 2009 siliconforks.com
4    
5      This program is free software; you can redistribute it and/or modify      This program is free software; you can redistribute it and/or modify
6      it under the terms of the GNU General Public License as published by      it under the terms of the GNU General Public License as published by
# Line 21  Line 21 
21    
22  #include "http-server.h"  #include "http-server.h"
23    
 #include <errno.h>  
 #include <netdb.h>  
   
24  #include "util.h"  #include "util.h"
25    
26  int xgethostbyname(const char * host, struct in_addr * a) {  int xgethostbyname(const char * host, struct in_addr * a) {
27  #ifdef __CYGWIN__  #if defined(__CYGWIN__) || defined(__MINGW32__)
28    /* cygwin's gethostbyname is thread-safe */    /* gethostbyname is thread-safe */
29    struct hostent * p = gethostbyname(host);    struct hostent * p = gethostbyname(host);
30    if (p == NULL || p->h_addrtype != AF_INET) {    if (p == NULL || p->h_addrtype != AF_INET) {
31      return -1;      return -1;
32    }    }
33    *a = *((struct in_addr *) p->h_addr);    *a = *((struct in_addr *) p->h_addr);
34    return 0;    return 0;
35  #else  #elif HAVE_GETADDRINFO
36      struct addrinfo hints;
37      hints.ai_flags = 0;
38      hints.ai_family = PF_INET;
39      hints.ai_socktype = 0;
40      hints.ai_protocol = 0;
41      hints.ai_addrlen = 0;
42      hints.ai_addr = NULL;
43      hints.ai_canonname = NULL;
44      hints.ai_next = NULL;
45      struct addrinfo * p;
46      int result = getaddrinfo(host, NULL, &hints, &p);
47      if (result != 0 || p == NULL) {
48        return -1;
49      }
50      if (p->ai_family != PF_INET) {
51        freeaddrinfo(p);
52        return -1;
53      }
54      struct sockaddr_in * address_and_port = (struct sockaddr_in *) p->ai_addr;
55      *a = address_and_port->sin_addr;
56      freeaddrinfo(p);
57      return 0;
58    #elif HAVE_GETHOSTBYNAME_R
59    struct hostent h;    struct hostent h;
60    struct hostent * p;    struct hostent * p;
61    char * buffer;    char * buffer;
# Line 56  Line 76 
76    *a = *((struct in_addr *) p->h_addr);    *a = *((struct in_addr *) p->h_addr);
77    free(buffer);    free(buffer);
78    return 0;    return 0;
79    #else
80    #error "No thread-safe host lookup available"
81  #endif  #endif
82  }  }
83    
84    #ifndef HAVE_INET_ATON
85    int inet_aton(const char * name, struct in_addr * a) {
86      unsigned long result = inet_addr(name);
87      if (result == INADDR_NONE) {
88        return 0;
89      }
90      else {
91        a->s_addr = result;
92        return 1;
93      }
94    }
95    #endif
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