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authorMattias Andrée <maandree@kth.se>2018-10-21 18:42:37 +0200
committerMattias Andrée <maandree@kth.se>2018-10-21 18:42:56 +0200
commita257b6a63a695c7a818590563640d5b1f018ea21 (patch)
treec639004608c84478ad6f8bcdaac713585ec848f3 /memcasechr.c
parentAdd rawmemrcasechr (diff)
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Add memcasechr
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to '')
-rw-r--r--memcasechr.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/memcasechr.c b/memcasechr.c
new file mode 100644
index 0000000..4277849
--- /dev/null
+++ b/memcasechr.c
@@ -0,0 +1,35 @@
+/* See LICENSE file for copyright and license details. */
+#include "libsimple.h"
+#ifndef TEST
+
+
+void *
+libsimple_memcasechr(const void *s_, int c, size_t n)
+{
+ char *s = *(char **)(void *)&s_;
+ size_t i = 0;
+ c = tolower(c);
+ for (; i < n && tolower(s[i]) != c; i++);
+ return i < n ? &s[i] : NULL;
+}
+
+
+#else
+#include "test.h"
+
+int
+main(void)
+{
+ assert(!strcmpnul(libsimple_memcasechr("abcABCabcABC", 'a', sizeof("abcABCabcABC") - 1), "abcABCabcABC"));
+ assert(!strcmpnul(libsimple_memcasechr("abcABCabcABC", 'c', sizeof("abcABCabcABC") - 1), "cABCabcABC"));
+ assert(!strcmpnul(libsimple_memcasechr("abcABCabcABC", 'A', sizeof("abcABCabcABC") - 1), "abcABCabcABC"));
+ assert(!strcmpnul(libsimple_memcasechr("abcABCabcABC", 'C', sizeof("abcABCabcABC") - 1), "cABCabcABC"));
+ assert(!strcmpnul(libsimple_memcasechr("ABCabcABCabc", 'a', sizeof("ABCabcABCabc") - 1), "ABCabcABCabc"));
+ assert(!strcmpnul(libsimple_memcasechr("ABCabcABCabc", 'c', sizeof("ABCabcABCabc") - 1), "CabcABCabc"));
+ assert(!strcmpnul(libsimple_memcasechr("ABCabcABCabc", 'A', sizeof("ABCabcABCabc") - 1), "ABCabcABCabc"));
+ assert(!strcmpnul(libsimple_memcasechr("ABCabcABCabc", 'C', sizeof("ABCabcABCabc") - 1), "CabcABCabc"));
+ assert(!libsimple_memcasechr("abcABCabcABC", 'x', sizeof("abcABCabcABC") - 1));
+ return 0;
+}
+
+#endif