2: /*
  3:       Code for manipulating files.
  4: */
  5: #include <petscsys.h>
  6: #if defined(PETSC_HAVE_PWD_H)
  7: #include <pwd.h>
  8: #endif
  9: #include <ctype.h>
 10: #include <sys/types.h>
 11: #include <sys/stat.h>
 12: #if defined(PETSC_HAVE_STDLIB_H)
 13: #include <stdlib.h>
 14: #endif
 15: #if defined(PETSC_HAVE_SYS_UTSNAME_H)
 16: #include <sys/utsname.h>
 17: #endif
 18: #if defined(PETSC_HAVE_WINDOWS_H)
 19: #include <windows.h>
 20: #endif
 21: #if defined(PETSC_HAVE_SYS_SYSTEMINFO_H)
 22: #include <sys/systeminfo.h>
 23: #endif
 24: #if defined(PETSC_HAVE_UNISTD_H)
 25: #include <unistd.h>
 26: #endif


 29: #if defined(PETSC_HAVE_GET_USER_NAME)
 32: PetscErrorCode  PetscGetUserName(char name[],size_t nlen)
 33: {
 35:   GetUserName((LPTSTR)name,(LPDWORD)(&nlen));
 36:   return(0);
 37: }

 39: #elif defined(PETSC_HAVE_PWD_H)
 42: /*@C
 43:     PetscGetUserName - Returns the name of the user.

 45:     Not Collective

 47:     Input Parameter:
 48:     nlen - length of name

 50:     Output Parameter:
 51: .   name - contains user name.  Must be long enough to hold the name

 53:     Level: developer

 55:     Concepts: user name

 57: .seealso: PetscGetHostName()
 58: @*/
 59: PetscErrorCode  PetscGetUserName(char name[],size_t nlen)
 60: {
 61:   struct passwd *pw=0;

 65: #if defined(PETSC_HAVE_GETPWUID)
 66:   pw = getpwuid(getuid());
 67: #endif
 68:   if (!pw) {PetscStrncpy(name,"Unknown",nlen);}
 69:   else     {PetscStrncpy(name,pw->pw_name,nlen);}
 70:   return(0);
 71: }

 73: #else

 77: PetscErrorCode  PetscGetUserName(char *name,size_t nlen)
 78: {

 82:   PetscStrncpy(name,"Unknown",nlen);
 83:   return(0);
 84: }
 85: #endif /* !PETSC_HAVE_PWD_H */