From e8a7e1c358caec60751460d337f634ff6957ff9d Mon Sep 17 00:00:00 2001 From: Mattias Andrée Date: Mon, 19 Nov 2018 21:39:11 +0100 Subject: Add a bunch of function and macros MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Mattias Andrée --- stptoupper.c | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 61 insertions(+) create mode 100644 stptoupper.c (limited to 'stptoupper.c') diff --git a/stptoupper.c b/stptoupper.c new file mode 100644 index 0000000..fca38ce --- /dev/null +++ b/stptoupper.c @@ -0,0 +1,61 @@ +/* See LICENSE file for copyright and license details. */ +#include "libsimple.h" +#ifndef TEST + + +char * +libsimple_stptoupper(char *d, const char *s) /* TODO man */ +{ + size_t n; + char *ret; + if (d == s) { + for (; *d; d++) + *d = toupper(*d); + return d; + } else if (d < s) { + for (; *s; d++, s++) + *d = toupper(*s); + *d = '\0'; + return d; + } else { + for (n = 0; s[n]; n++); + ret = &d[n]; + do { + d[n] = toupper(s[n]); + } while (n--); + return ret; + } +} + + +#else +#include "test.h" + +int +main(void) +{ + char buf[100]; + + stpcpy(buf, "abcdeABCDE12345"); + assert(!strcmpnul(libsimple_stptoupper(&buf[3], &buf[0]), "")); + assert(!strcmp(buf, "abcABCDEABCDE12345")); + stpcpy(buf, "abcdeABCDE12345"); + assert(!strcmpnul(libsimple_stptoupper(&buf[0], &buf[3]), "")); + assert(!strcmp(buf, "DEABCDE12345")); + stpcpy(buf, "abcdeABCDE12345"); + assert(!strcmpnul(libsimple_stptoupper(&buf[0], &buf[0]), "")); + assert(!strcmp(buf, "ABCDEABCDE12345")); + stpcpy(buf, "abcdeABCDE12345"); + assert(!strcmpnul(libsimple_strtoupper(&buf[3], &buf[0]), "ABCDEABCDE12345")); + assert(!strcmp(buf, "abcABCDEABCDE12345")); + stpcpy(buf, "abcdeABCDE12345"); + assert(!strcmpnul(libsimple_strtoupper(&buf[0], &buf[3]), "DEABCDE12345")); + assert(!strcmp(buf, "DEABCDE12345")); + stpcpy(buf, "abcdeABCDE12345"); + assert(!strcmpnul(libsimple_strtoupper(&buf[0], &buf[0]), "ABCDEABCDE12345")); + assert(!strcmp(buf, "ABCDEABCDE12345")); + + return 0; +} + +#endif -- cgit v1.2.3-70-g09d2