diplodocus.org Git - nmh/blob - sbr/r1bindex.c

   1 /* r1bindex.c -- Given a string and a character, return a pointer
   2  *            -- to the right of the rightmost occurrence of the
   3  *            -- character.  If the character doesn't occur, the
   4  *            -- pointer will be at the beginning of the string.
   5  *
   6  * This code is Copyright (c) 2002, by the authors of nmh.  See the
   7  * COPYRIGHT file in the root directory of the nmh distribution for
   8  * complete copyright information.
   9  */
  10
  11 #include <h/mh.h>
  12
  13 /* Does not return NULL. */
  14 char *
  15 r1bindex(char *str, int chr)
  16 {
  17     char *r;
  18
  19     if (!chr)
  20         return str; /* Match old behaviour, don't know if it's used. */
  21
  22     r = strrchr(str, chr);
  23     if (r)
  24         return r + 1;
  25
  26     return str;
  27 }