Actual source code: rpath.c


  2: #include <petscsys.h>
  3: #if defined(PETSC_HAVE_PWD_H)
  4:   #include <pwd.h>
  5: #endif
  6: #include <ctype.h>
  7: #include <sys/stat.h>
  8: #if defined(PETSC_HAVE_UNISTD_H)
  9:   #include <unistd.h>
 10: #endif
 11: #if defined(PETSC_HAVE_SYS_UTSNAME_H)
 12:   #include <sys/utsname.h>
 13: #endif
 14: #if defined(PETSC_HAVE_SYS_SYSTEMINFO_H)
 15:   #include <sys/systeminfo.h>
 16: #endif

 18: /*@C
 19:    PetscGetRelativePath - Given a filename, returns the relative path (removes
 20:    all directory specifiers).

 22:    Not Collective

 24:    Input parameters:
 25: +  fullpath  - full pathname
 26: .  path      - pointer to buffer to hold relative pathname
 27: -  flen     - size of path

 29:    Level: developer

 31: .seealso: `PetscGetFullPath()`
 32: @*/
 33: PetscErrorCode PetscGetRelativePath(const char fullpath[], char path[], size_t flen)
 34: {
 35:   char *p;

 37:   /* Find string after last / or entire string if no / */
 38:   PetscStrrchr(fullpath, '/', &p);
 39:   PetscStrncpy(path, p, flen);
 40:   return 0;
 41: }