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authorMattias Andrée <maandree@kth.se>2018-11-19 21:39:11 +0100
committerMattias Andrée <maandree@kth.se>2018-11-19 21:39:11 +0100
commite8a7e1c358caec60751460d337f634ff6957ff9d (patch)
treeb0fe92173edbf210d2890ecd35141cc39decf8dc /rawmemchr_inv.c
parentAdd memelemscan (diff)
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Add a bunch of function and macros
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to '')
-rw-r--r--rawmemchr_inv.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/rawmemchr_inv.c b/rawmemchr_inv.c
new file mode 100644
index 0000000..1df5817
--- /dev/null
+++ b/rawmemchr_inv.c
@@ -0,0 +1,27 @@
+/* See LICENSE file for copyright and license details. */
+#include "libsimple.h"
+#ifndef TEST
+
+
+void *
+libsimple_rawmemchr_inv(const void *s_, int c_) /* TODO man */
+{
+ char *s = *(char **)(void *)&s_, c = (char)c_;
+ while (*s++ == c);
+ return &s[-1];
+}
+
+
+#else
+#include "test.h"
+
+int
+main(void)
+{
+ assert(!strcmpnul(libsimple_rawmemchr_inv("xxoxx", 'x'), "oxx"));
+ assert(!strcmpnul(libsimple_rawmemchr_inv("xxXxx", 'x'), "Xxx"));
+ assert(!strcmpnul(libsimple_rawmemchr_inv("XXoxx", 'x'), "XXoxx"));
+ return 0;
+}
+
+#endif