Actual source code: rpath.c

petsc-master 2020-07-05
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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


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

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