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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 /rawmemelem_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--rawmemelem_inv.c58
1 files changed, 58 insertions, 0 deletions
diff --git a/rawmemelem_inv.c b/rawmemelem_inv.c
new file mode 100644
index 0000000..aeb20d2
--- /dev/null
+++ b/rawmemelem_inv.c
@@ -0,0 +1,58 @@
+/* See LICENSE file for copyright and license details. */
+#include "libsimple.h"
+#ifndef TEST
+
+
+void *
+libsimple_rawmemelem_inv(const void *hay_, const void *sub_, size_t subn) /* TODO test, man */
+{
+ switch (subn) {
+ case 0:
+ abort();
+ case 1:
+ return rawmemchr_inv(hay_, *(char *)sub_);
+ case 2:
+ {
+ uint16_t *hay = (void *)hay_;
+ uint16_t sub = *(uint16_t *)sub_;
+ for (; *hay == sub; hay++);
+ return hay;
+ }
+ case 4:
+ {
+ uint32_t *hay = (void *)hay_;
+ uint32_t sub = *(uint32_t *)sub_;
+ for (; *hay == sub; hay++);
+ return hay;
+ }
+ case 8:
+ {
+ uint64_t *hay = (void *)hay_;
+ uint64_t sub = *(uint64_t *)sub_;
+ for (; *hay == sub; hay++);
+ return hay;
+ }
+ default:
+ {
+ char *hay = (void *)hay_;
+ const char *sub = sub_;
+ size_t i;
+ for (;; hay += subn)
+ for (i = 0; i < subn; i++)
+ if (hay[i] != sub[i])
+ return hay;
+ }
+ }
+}
+
+
+#else
+#include "test.h"
+
+int
+main(void)
+{
+ return 0;
+}
+
+#endif