Actual source code: rpath.c
petsc-3.10.5 2019-03-28
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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: }