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authorMattias Andrée <maandree@kth.se>2017-11-12 14:44:35 +0100
committerMattias Andrée <maandree@kth.se>2017-11-12 14:54:29 +0100
commit67a395794b678d7da053c3daf61eb12d3f9437f2 (patch)
tree26be121e2738954a648d4032e8798723034960d7 /memrchr.c
parentMore functions and add makefile (diff)
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Split into multiple units
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to 'memrchr.c')
-rw-r--r--memrchr.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/memrchr.c b/memrchr.c
new file mode 100644
index 0000000..6beec6d
--- /dev/null
+++ b/memrchr.c
@@ -0,0 +1,12 @@
+/* See LICENSE file for copyright and license details. */
+#include "libsimple.h"
+
+
+void *
+libsimple_memrchr(const void *s_, int c, size_t n_)
+{
+ char *s = *(char **)(void *)&s_;
+ ssize_t n = n_;
+ while (n-- && (int)s[n] != c);
+ return n < 0 ? NULL : &s[n];
+}