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authorP. J. McDermott <pjm@nac.net>2012-02-09 10:56:43 (EST)
committer P. J. McDermott <pjm@nac.net>2012-02-09 10:56:43 (EST)
commitf431cd1a48a6a5186633bf5f16a2d21cb4399e8c (patch)
tree337e36fd9d7884fcf76ba769ab7b0039f52d9d31 /src/libbb/.svn/text-base/last_char_is.c.svn-base
Initial commit.
TODO: Copyright information. Including source code and a patch to add files generated by GNU Autoconf is not very pretty... Running 'make dist' in the SVN trunk to generate a source archive might be better.
Diffstat (limited to 'src/libbb/.svn/text-base/last_char_is.c.svn-base')
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diff --git a/src/libbb/.svn/text-base/last_char_is.c.svn-base b/src/libbb/.svn/text-base/last_char_is.c.svn-base
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@@ -0,0 +1,40 @@
+/*
+ * busybox library eXtended function
+ *
+ * Copyright (C) 2001 Larry Doolittle, <ldoolitt@recycle.lbl.gov>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ */
+
+#include <string.h>
+#include "libbb.h"
+
+/* Find out if the last character of a string matches the one given Don't
+ * underrun the buffer if the string length is 0. Also avoids a possible
+ * space-hogging inline of strlen() per usage.
+ */
+char * last_char_is(const char *s, int c)
+{
+ char *sret;
+ if (!s)
+ return NULL;
+ sret = (char *)s+strlen(s)-1;
+ if (sret>=s && *sret == c) {
+ return sret;
+ } else {
+ return NULL;
+ }
+}