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-rw-r--r--stpntoupper.c115
1 files changed, 115 insertions, 0 deletions
diff --git a/stpntoupper.c b/stpntoupper.c
new file mode 100644
index 0000000..588cb89
--- /dev/null
+++ b/stpntoupper.c
@@ -0,0 +1,115 @@
+/* See LICENSE file for copyright and license details. */
+#include "libsimple.h"
+#ifndef TEST
+
+
+char *
+libsimple_stpntoupper(char *d, const char *s, size_t n) /* TODO man */
+{
+ size_t i;
+ char *ret;
+ if (d == s) {
+ for (; n && *d; d++, n--)
+ *d = toupper(*d);
+ return d;
+ } else if (d < s) {
+ for (; n && *s; d++, s++, n--)
+ *d = toupper(*s);
+ if (n)
+ *d = '\0';
+ return d;
+ } else {
+ for (i = 0; i < n && s[i]; i++);
+ ret = &d[i];
+ if (i != n)
+ d[i] = toupper(s[i]);
+ while (i--)
+ d[i] = toupper(s[i]);
+ return ret;
+ }
+}
+
+
+#else
+#include "test.h"
+
+int
+main(void)
+{
+ char buf[100];
+
+ stpcpy(buf, "abcdeABCDE12345");
+ assert(!strcmpnul(libsimple_stpntoupper(&buf[3], &buf[0], SIZE_MAX), ""));
+ assert(!strcmp(buf, "abcABCDEABCDE12345"));
+ stpcpy(buf, "abcdeABCDE12345");
+ assert(!strcmpnul(libsimple_stpntoupper(&buf[0], &buf[3], SIZE_MAX), ""));
+ assert(!strcmp(buf, "DEABCDE12345"));
+ stpcpy(buf, "abcdeABCDE12345");
+ assert(!strcmpnul(libsimple_stpntoupper(&buf[0], &buf[0], SIZE_MAX), ""));
+ assert(!strcmp(buf, "ABCDEABCDE12345"));
+ stpcpy(buf, "abcdeABCDE12345");
+ assert(!strcmpnul(libsimple_strntoupper(&buf[3], &buf[0], SIZE_MAX), "ABCDEABCDE12345"));
+ assert(!strcmp(buf, "abcABCDEABCDE12345"));
+ stpcpy(buf, "abcdeABCDE12345");
+ assert(!strcmpnul(libsimple_strntoupper(&buf[0], &buf[3], SIZE_MAX), "DEABCDE12345"));
+ assert(!strcmp(buf, "DEABCDE12345"));
+ stpcpy(buf, "abcdeABCDE12345");
+ assert(!strcmpnul(libsimple_strntoupper(&buf[0], &buf[0], SIZE_MAX), "ABCDEABCDE12345"));
+ assert(!strcmp(buf, "ABCDEABCDE12345"));
+
+ memset(buf, 0, sizeof(buf));
+ stpcpy(buf, "abcdeABCDE12345");
+ buf[18] = 'x';
+ assert(!strcmpnul(libsimple_stpntoupper(&buf[3], &buf[0], 15), "x"));
+ assert(!strcmp(buf, "abcABCDEABCDE12345x"));
+ memset(buf, 0, sizeof(buf));
+ stpcpy(buf, "abcdeABCDE12345");
+ assert(!strcmpnul(libsimple_stpntoupper(&buf[0], &buf[3], 12), "345"));
+ assert(!strcmp(buf, "DEABCDE12345345"));
+ memset(buf, 0, sizeof(buf));
+ stpcpy(buf, "abcdeABCDE12345x");
+ assert(!strcmpnul(libsimple_stpntoupper(&buf[0], &buf[0], 15), "x"));
+ assert(!strcmp(buf, "ABCDEABCDE12345x"));
+ memset(buf, 0, sizeof(buf));
+ stpcpy(buf, "abcdeABCDE12345");
+ buf[18] = 'x';
+ assert(!strcmpnul(libsimple_strntoupper(&buf[3], &buf[0], 15), "ABCDEABCDE12345x"));
+ assert(!strcmp(buf, "abcABCDEABCDE12345x"));
+ memset(buf, 0, sizeof(buf));
+ stpcpy(buf, "abcdeABCDE12345");
+ assert(!strcmpnul(libsimple_strntoupper(&buf[0], &buf[3], 12), "DEABCDE12345345"));
+ assert(!strcmp(buf, "DEABCDE12345345"));
+ memset(buf, 0, sizeof(buf));
+ stpcpy(buf, "abcdeABCDE12345x");
+ assert(!strcmpnul(libsimple_strntoupper(&buf[0], &buf[0], 15), "ABCDEABCDE12345x"));
+ assert(!strcmp(buf, "ABCDEABCDE12345x"));
+
+ memset(buf, 0, sizeof(buf));
+ stpcpy(buf, "abcdeABCDE12345");
+ assert(!strcmpnul(libsimple_stpntoupper(&buf[3], &buf[0], 0), "deABCDE12345"));
+ assert(!strcmp(buf, "abcdeABCDE12345"));
+ memset(buf, 0, sizeof(buf));
+ stpcpy(buf, "abcdeABCDE12345");
+ assert(!strcmpnul(libsimple_stpntoupper(&buf[0], &buf[3], 0), "abcdeABCDE12345"));
+ assert(!strcmp(buf, "abcdeABCDE12345"));
+ memset(buf, 0, sizeof(buf));
+ stpcpy(buf, "abcdeABCDE12345");
+ assert(!strcmpnul(libsimple_stpntoupper(&buf[0], &buf[0], 0), "abcdeABCDE12345"));
+ assert(!strcmp(buf, "abcdeABCDE12345"));
+ memset(buf, 0, sizeof(buf));
+ stpcpy(buf, "abcdeABCDE12345");
+ assert(!strcmpnul(libsimple_strntoupper(&buf[3], &buf[0], 0), "deABCDE12345"));
+ assert(!strcmp(buf, "abcdeABCDE12345"));
+ memset(buf, 0, sizeof(buf));
+ stpcpy(buf, "abcdeABCDE12345");
+ assert(!strcmpnul(libsimple_strntoupper(&buf[0], &buf[3], 0), "abcdeABCDE12345"));
+ assert(!strcmp(buf, "abcdeABCDE12345"));
+ memset(buf, 0, sizeof(buf));
+ stpcpy(buf, "abcdeABCDE12345");
+ assert(!strcmpnul(libsimple_strntoupper(&buf[0], &buf[0], 0), "abcdeABCDE12345"));
+ assert(!strcmp(buf, "abcdeABCDE12345"));
+
+ return 0;
+}
+
+#endif