Actual source code: rpath.c

petsc-3.8.2 2017-11-09
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  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:    Concepts: relative path
 32:    Concepts: path^relative

 34: .seealso: PetscGetFullPath()
 35: @*/
 36: PetscErrorCode  PetscGetRelativePath(const char fullpath[],char path[],size_t flen)
 37: {
 38:   char           *p;

 42:   /* Find string after last / or entire string if no / */
 43:   PetscStrrchr(fullpath,'/',&p);
 44:   PetscStrncpy(path,p,flen);
 45:   return(0);
 46: }