aboutsummaryrefslogtreecommitdiffstats
path: root/strncasechrnul_inv.c
diff options
context:
space:
mode:
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 /strncasechrnul_inv.c
parentAdd memelemscan (diff)
downloadlibsimple-e8a7e1c358caec60751460d337f634ff6957ff9d.tar.gz
libsimple-e8a7e1c358caec60751460d337f634ff6957ff9d.tar.bz2
libsimple-e8a7e1c358caec60751460d337f634ff6957ff9d.tar.xz
Add a bunch of function and macros
Signed-off-by: Mattias Andrée <maandree@kth.se>
Diffstat (limited to '')
-rw-r--r--strncasechrnul_inv.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/strncasechrnul_inv.c b/strncasechrnul_inv.c
new file mode 100644
index 0000000..bcf8eaa
--- /dev/null
+++ b/strncasechrnul_inv.c
@@ -0,0 +1,55 @@
+/* See LICENSE file for copyright and license details. */
+#include "libsimple.h"
+#ifndef TEST
+
+
+char *
+libsimple_strncasechrnul_inv(const char *s_, int c, size_t n) /* TODO man */
+{
+ char *s = *(char **)(void *)&s_;
+ char *end = &s[n];
+ c = tolower(c);
+ for (; s != end && *s && tolower(*s) == c; s++);
+ return s;
+}
+
+
+#else
+#include "test.h"
+
+int
+main(void)
+{
+ assert(!strcmpnul(libsimple_strncasechrnul_inv("xxoxx", 'x', SIZE_MAX), "oxx"));
+ assert(!strcmpnul(libsimple_strncasechrnul_inv("xxXxx", 'x', SIZE_MAX), ""));
+ assert(!strcmpnul(libsimple_strncasechrnul_inv("XXoxx", 'x', SIZE_MAX), "oxx"));
+ assert(!strcmpnul(libsimple_strncasechrnul_inv("zzzzz", 'z', SIZE_MAX), ""));
+ assert(!strcmpnul(libsimple_strncasechrnul_inv("", '\0', SIZE_MAX), ""));
+
+ assert(!strcmpnul(libsimple_strncasechrnul_inv("xxoxx", 'x', 6), "oxx"));
+ assert(!strcmpnul(libsimple_strncasechrnul_inv("xxXxx", 'x', 6), ""));
+ assert(!strcmpnul(libsimple_strncasechrnul_inv("XXoxx", 'x', 6), "oxx"));
+ assert(!strcmpnul(libsimple_strncasechrnul_inv("zzzzz", 'z', 6), ""));
+ assert(!strcmpnul(libsimple_strncasechrnul_inv("", '\0', 6), ""));
+
+ assert(!strcmpnul(libsimple_strncasechrnul_inv("xxoxx", 'x', 5), "oxx"));
+ assert(!strcmpnul(libsimple_strncasechrnul_inv("xxXxx", 'x', 5), ""));
+ assert(!strcmpnul(libsimple_strncasechrnul_inv("XXoxx", 'x', 5), "oxx"));
+ assert(!strcmpnul(libsimple_strncasechrnul_inv("zzzzz", 'z', 5), ""));
+ assert(!strcmpnul(libsimple_strncasechrnul_inv("", '\0', 5), ""));
+
+ assert(!strcmpnul(libsimple_strncasechrnul_inv("xxoxx", 'x', 3), "oxx"));
+ assert(!strcmpnul(libsimple_strncasechrnul_inv("xxXxx", 'x', 3), "xx"));
+ assert(!strcmpnul(libsimple_strncasechrnul_inv("XXoxx", 'x', 3), "oxx"));
+ assert(!strcmpnul(libsimple_strncasechrnul_inv("zzzzz", 'z', 3), "zz"));
+ assert(!strcmpnul(libsimple_strncasechrnul_inv("", '\0', 3), ""));
+
+ assert(!strcmpnul(libsimple_strncasechrnul_inv("xxoxx", 'x', 2), "oxx"));
+ assert(!strcmpnul(libsimple_strncasechrnul_inv("xxXxx", 'x', 2), "Xxx"));
+ assert(!strcmpnul(libsimple_strncasechrnul_inv("XXoxx", 'x', 2), "oxx"));
+ assert(!strcmpnul(libsimple_strncasechrnul_inv("zzzzz", 'z', 2), "zzz"));
+ assert(!strcmpnul(libsimple_strncasechrnul_inv("", '\0', 2), ""));
+ return 0;
+}
+
+#endif