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#define PERL_NO_GET_CONTEXT |
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3
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#include "EXTERN.h" |
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4
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#include "perl.h" |
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5
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#include "XSUB.h" |
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7
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#if defined(I_UNISTD) && defined(HAS_GETHOSTNAME) |
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# include |
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#endif |
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11
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/* a reasonable default */ |
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#ifndef MAXHOSTNAMELEN |
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# define MAXHOSTNAMELEN 256 |
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#endif |
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16
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/* swiped from POSIX.xs */ |
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#if defined(__VMS) && !defined(__POSIX_SOURCE) |
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# if ((__VMS_VER >= 70000000) && (__DECC_VER >= 50200000)) || (__CRTL_VER >= 70000000) |
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# include |
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# endif |
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#endif |
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#ifdef I_SYSUTSNAME |
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# include |
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#endif |
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27
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MODULE = Sys::Hostname PACKAGE = Sys::Hostname |
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29
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void |
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ghname() |
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PREINIT: |
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IV retval = -1; |
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SV *sv; |
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34
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PPCODE: |
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35
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2
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EXTEND(SP, 1); |
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36
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#ifdef HAS_GETHOSTNAME |
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37
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{ |
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char tmps[MAXHOSTNAMELEN]; |
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39
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retval = PerlSock_gethostname(tmps, sizeof(tmps)); |
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40
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2
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sv = newSVpv(tmps, 0); |
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41
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} |
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42
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#else |
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# ifdef HAS_PHOSTNAME |
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{ |
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PerlIO *io; |
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char tmps[MAXHOSTNAMELEN]; |
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char *p = tmps; |
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char c; |
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49
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io = PerlProc_popen(PHOSTNAME, "r"); |
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50
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if (!io) |
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goto check_out; |
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52
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while (PerlIO_read(io, &c, sizeof(c)) == 1) { |
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53
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if (isSPACE(c) || p - tmps >= sizeof(tmps)) |
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54
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break; |
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55
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*p++ = c; |
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56
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} |
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57
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PerlProc_pclose(io); |
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58
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retval = 0; |
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59
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sv = newSVpvn(tmps, p - tmps); |
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60
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} |
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61
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# else |
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# ifdef HAS_UNAME |
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{ |
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64
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struct utsname u; |
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65
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if (PerlEnv_uname(&u) == -1) |
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66
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goto check_out; |
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67
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sv = newSVpv(u.nodename, 0); |
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68
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retval = 0; |
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69
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} |
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# endif |
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71
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# endif |
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72
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#endif |
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73
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#ifndef HAS_GETHOSTNAME |
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74
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check_out: |
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75
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#endif |
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76
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2
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if (retval == -1) |
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77
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0
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XSRETURN_UNDEF; |
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78
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else |
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79
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2
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PUSHs(sv_2mortal(sv)); |