summaryrefslogtreecommitdiff
path: root/i/pc104/initrd/conf/busybox/libbb/last_char_is.c
diff options
context:
space:
mode:
Diffstat (limited to 'i/pc104/initrd/conf/busybox/libbb/last_char_is.c')
-rw-r--r--i/pc104/initrd/conf/busybox/libbb/last_char_is.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/i/pc104/initrd/conf/busybox/libbb/last_char_is.c b/i/pc104/initrd/conf/busybox/libbb/last_char_is.c
new file mode 100644
index 0000000..aaa85dd
--- /dev/null
+++ b/i/pc104/initrd/conf/busybox/libbb/last_char_is.c
@@ -0,0 +1,24 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * busybox library eXtended function
+ *
+ * Copyright (C) 2001 Larry Doolittle, <ldoolitt@recycle.lbl.gov>
+ *
+ * Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
+ */
+
+#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.
+ */
+char* last_char_is(const char *s, int c)
+{
+ if (s && *s) {
+ size_t sz = strlen(s) - 1;
+ s += sz;
+ if ( (unsigned char)*s == c)
+ return (char*)s;
+ }
+ return NULL;
+}