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Red Hat Bugzilla – Attachment 156845 Details for
Bug 243967
gethostbyname_r generates alignment errors under g++
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Test program
gethostbyname_r.c (text/x-csrc), 784 bytes, created by
Tim Potter
on 2007-06-13 04:48:14 UTC
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Description:
Test program
Filename:
MIME Type:
Creator:
Tim Potter
Created:
2007-06-13 04:48:14 UTC
Size:
784 bytes
patch
obsolete
>#include <stdio.h> >#include <netdb.h> >#include <string.h> >#include <unistd.h> > >int main() >{ > char hostName[255]; > > if (gethostname(hostName, sizeof(hostName) - 1) != 0) { > fprintf(stderr, "gethostname() failed\n"); > return 1; > } > > hostName[sizeof(hostName) - 1] = 0; > > struct hostent *hostEntry; > char hostEntryBuffer[8192]; > struct hostent hostEntryStruct; > int hostEntryErrno; > > gethostbyname_r( > hostName, > &hostEntryStruct, > hostEntryBuffer, > sizeof(hostEntryBuffer), > &hostEntry, > &hostEntryErrno); > > if (!hostEntry) { > fprintf(stderr, "gethostbyname_r() failed\n"); > return 1; > } > > strncpy(hostName, hostEntry->h_name, sizeof(hostName) - 1); > printf("%s\n", hostName); > > return 0; >}
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