Actual source code: fwd.c


  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/stat.h>
 11: #if defined(PETSC_HAVE_UNISTD_H)
 12:   #include <unistd.h>
 13: #endif
 14: #if defined(PETSC_HAVE_SYS_UTSNAME_H)
 15:   #include <sys/utsname.h>
 16: #endif
 17: #if defined(PETSC_HAVE_DIRECT_H)
 18:   #include <direct.h>
 19: #endif
 20: #if defined(PETSC_HAVE_SYS_SYSTEMINFO_H)
 21:   #include <sys/systeminfo.h>
 22: #endif

 24: /*@C
 25:    PetscGetWorkingDirectory - Gets the current working directory.

 27:    Not Collective

 29:    Input Parameter:
 30: .  len  - maximum length of `path`

 32:    Output Parameter:
 33: .  path - holds the result value. The string should be long enough to hold the path, for example, `PETSC_MAX_PATH_LEN`

 35:    Level: developer

 37: .seealso: `PetscGetTmp()`, `PetscSharedTmp()`, `PetscSharedWorkingDirectory()`, `PetscGetHomeDirectory()`
 38: @*/
 39: PetscErrorCode PetscGetWorkingDirectory(char path[], size_t len)
 40: {
 41:   PetscFunctionBegin;
 42: #if defined(PETSC_HAVE_GETCWD)
 43:   PetscCheck(getcwd(path, len), PETSC_COMM_SELF, PETSC_ERR_LIB, "getcwd()");
 44: #elif defined(PETSC_HAVE__GETCWD)
 45:   _getcwd(path, len);
 46: #elif defined(PETSC_HAVE_GETWD)
 47:   getwd(path);
 48: #else
 49:   SETERRQ(PETSC_COMM_SELF, PETSC_ERR_SUP_SYS, "Could not find getcwd() or getwd()");
 50: #endif
 51:   PetscFunctionReturn(PETSC_SUCCESS);
 52: }