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Red Hat Bugzilla – Attachment 184541 Details for
Bug 273921
rename(a,b) does not replace b if a and b are hard linked
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Rename syscall problem demonstration
rename-test.c (text/x-csrc), 709 bytes, created by
David Shaw
on 2007-09-01 18:16:46 UTC
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Description:
Rename syscall problem demonstration
Filename:
MIME Type:
Creator:
David Shaw
Created:
2007-09-01 18:16:46 UTC
Size:
709 bytes
patch
obsolete
>#include <stdio.h> >#include <unistd.h> >#include <sys/types.h> >#include <sys/stat.h> >#include <fcntl.h> >#include <string.h> >#include <errno.h> > >int >main(int argc,char *argv[]) >{ > int fd; > struct stat foostat,barstat; > > fd=creat("foo",0777); > if(fd==-1) > { > printf("Can't creat: %s\n",strerror(errno)); > _exit(1); > } > > close(fd); > > printf("Created file foo\n"); > > if(link("foo","bar")==-1) > { > printf("Can't link: %s\n",strerror(errno)); > _exit(1); > } > > printf("Linked foo to bar\n"); > > if(rename("foo","bar")==-1) > { > printf("Can't rename: %s\n",strerror(errno)); > _exit(1); > } > > printf("Successfully renamed foo to bar - or did I?\n"); > > return 0; >}
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