Annotation of dgamelaunch-openbsd/last_char_is.c, Revision 1.1
1.1 ! rubenllo 1: /*
! 2: * busybox library eXtended function
! 3: *
! 4: * Copyright (C) 2001 Larry Doolittle, <ldoolitt@recycle.lbl.gov>
! 5: *
! 6: * This program is free software; you can redistribute it and/or modify
! 7: * it under the terms of the GNU General Public License as published by
! 8: * the Free Software Foundation; either version 2 of the License, or
! 9: * (at your option) any later version.
! 10: *
! 11: * This program is distributed in the hope that it will be useful,
! 12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
! 13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
! 14: * General Public License for more details.
! 15: *
! 16: * You should have received a copy of the GNU General Public License
! 17: * along with this program; if not, write to the Free Software
! 18: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
! 19: *
! 20: */
! 21:
! 22: #include <string.h>
! 23:
! 24: /* Find out if the last character of a string matches the one given Don't
! 25: * underrun the buffer if the string length is 0. Also avoids a possible
! 26: * space-hogging inline of strlen() per usage.
! 27: */
! 28: char *
! 29: last_char_is (const char *s, int c)
! 30: {
! 31: char *sret;
! 32: if (!s)
! 33: return NULL;
! 34: sret = (char *) s + strlen (s) - 1;
! 35: if (sret >= s && *sret == c)
! 36: {
! 37: return sret;
! 38: }
! 39: else
! 40: {
! 41: return NULL;
! 42: }
! 43: }
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