diff options
Diffstat (limited to 'memelemmove.c')
| -rw-r--r-- | memelemmove.c | 303 |
1 files changed, 302 insertions, 1 deletions
diff --git a/memelemmove.c b/memelemmove.c index 2a90e26..90bf2fb 100644 --- a/memelemmove.c +++ b/memelemmove.c @@ -93,7 +93,7 @@ memelemmovex(char *restrict d, const char *restrict s, const char *restrict elem void * -libsimple_memelemmove(void *d, const void *s, const void *restrict elem, size_t size, size_t n) /* TODO test, man */ +libsimple_memelemmove(void *d, const void *s, const void *restrict elem, size_t size, size_t n) /* TODO man */ { switch (size) { case 0: @@ -118,6 +118,307 @@ libsimple_memelemmove(void *d, const void *s, const void *restrict elem, size_t int main(void) { + char buf[1024]; + + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "hello")[0] = '-'; + assert(libsimple_memelemmove(&buf[5], &buf[5], "", 0, 5) == &buf[5]); + assert(!strncmp(buf, "-----hello-", 11)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "hello")[0] = '-'; + assert(libsimple_memelemmove(&buf[3], &buf[5], "", 0, 5) == &buf[3]); + assert(!strncmp(buf, "-----hello-", 11)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "hello")[0] = '-'; + assert(libsimple_memelemmove(&buf[5], &buf[3], "", 0, 5) == &buf[5]); + assert(!strncmp(buf, "-----hello-", 11)); + + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "hello")[0] = '-'; + assert(libsimple_memelemmove(&buf[5], &buf[5], "o", 1, 5) == &buf[5 + 5]); + assert(!strncmp(buf, "-----hello-", 11)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "hello")[0] = '-';; + assert(libsimple_memelemmove(&buf[5], &buf[5], "l", 1, 5) == &buf[5 + 3]); + assert(!strncmp(buf, "-----hello-", 11)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "hello")[0] = '-'; + assert(libsimple_memelemmove(&buf[5], &buf[5], "x", 1, 5) == NULL); + assert(!strncmp(buf, "-----hello-", 11)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "hello")[0] = '-'; + assert(libsimple_memelemmove(&buf[3], &buf[5], "o", 1, 5) == &buf[3 + 5]); + assert(!strncmp(buf, "---hellolo-", 11)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "hello")[0] = '-'; + assert(libsimple_memelemmove(&buf[3], &buf[5], "l", 1, 5) == &buf[3 + 3]); + assert(!strncmp(buf, "---helello-", 11)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "hello")[0] = '-'; + assert(libsimple_memelemmove(&buf[3], &buf[5], "x", 1, 5) == NULL); + assert(!strncmp(buf, "---hellolo-", 11)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "hello")[0] = '-'; + assert(libsimple_memelemmove(&buf[8], &buf[5], "o", 1, 5) == &buf[8 + 5]); + assert(!strncmp(buf, "-----helhello-", 14)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "hello")[0] = '-'; + assert(libsimple_memelemmove(&buf[8], &buf[5], "l", 1, 5) == &buf[8 + 3]); + assert(!strncmp(buf, "-----helhel-", 12)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "hello")[0] = '-'; + assert(libsimple_memelemmove(&buf[8], &buf[5], "x", 1, 5) == NULL); + assert(!strncmp(buf, "-----helhello-", 14)); + + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], ".h.e.l.l.o")[0] = '-'; + assert(libsimple_memelemmove(&buf[5], &buf[5], ".o", 2, 5) == &buf[5 + 5 * 2]); + assert(!strncmp(buf, "-----.h.e.l.l.o-", 16)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], ".h.e.l.l.o")[0] = '-';; + assert(libsimple_memelemmove(&buf[5], &buf[5], ".l", 2, 5) == &buf[5 + 3 * 2]); + assert(!strncmp(buf, "-----.h.e.l.l.o-", 16)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], ".h.e.l.l.o")[0] = '-'; + assert(libsimple_memelemmove(&buf[5], &buf[5], ".x", 2, 5) == NULL); + assert(!strncmp(buf, "-----.h.e.l.l.o-", 16)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], ".h.e.l.l.o")[0] = '-'; + assert(libsimple_memelemmove(&buf[3], &buf[5], ".o", 2, 5) == &buf[3 + 5 * 2]); + assert(!strncmp(buf, "---.h.e.l.l.o.o-", 16)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], ".h.e.l.l.o")[0] = '-'; + assert(libsimple_memelemmove(&buf[3], &buf[5], ".l", 2, 5) == &buf[3 + 3 * 2]); + assert(!strncmp(buf, "---.h.e.l.l.l.o-", 16)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], ".h.e.l.l.o")[0] = '-'; + assert(libsimple_memelemmove(&buf[3], &buf[5], ".x", 2, 5) == NULL); + assert(!strncmp(buf, "---.h.e.l.l.o.o-", 16)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], ".h.e.l.l.o")[0] = '-'; + assert(libsimple_memelemmove(&buf[8], &buf[5], ".o", 2, 5) == &buf[8 + 5 * 2]); + assert(!strncmp(buf, "-----.h..h.e.l.l.o-", 19)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], ".h.e.l.l.o")[0] = '-'; + assert(libsimple_memelemmove(&buf[8], &buf[5], ".l", 2, 5) == &buf[8 + 3 * 2]); + assert(!strncmp(buf, "-----.h..h.e.lo-", 16)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], ".h.e.l.l.o")[0] = '-'; + assert(libsimple_memelemmove(&buf[8], &buf[5], ".x", 2, 5) == NULL); + assert(!strncmp(buf, "-----.h..h.e.l.l.o-", 19)); + + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "..h..e..l..l..o")[0] = '-'; + assert(libsimple_memelemmove(&buf[5], &buf[5], "..o", 3, 5) == &buf[5 + 5 * 3]); + assert(!strncmp(buf, "-----..h..e..l..l..o-", 21)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "..h..e..l..l..o")[0] = '-';; + assert(libsimple_memelemmove(&buf[5], &buf[5], "..l", 3, 5) == &buf[5 + 3 * 3]); + assert(!strncmp(buf, "-----..h..e..l..l..o-", 21)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "..h..e..l..l..o")[0] = '-'; + assert(libsimple_memelemmove(&buf[5], &buf[5], "..x", 3, 5) == NULL); + assert(!strncmp(buf, "-----..h..e..l..l..o-", 21)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "..h..e..l..l..o")[0] = '-'; + assert(libsimple_memelemmove(&buf[3], &buf[5], "..o", 3, 5) == &buf[3 + 5 * 3]); + assert(!strncmp(buf, "---..h..e..l..l..o.o-", 21)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "..h..e..l..l..o")[0] = '-'; + assert(libsimple_memelemmove(&buf[3], &buf[5], "..l", 3, 5) == &buf[3 + 3 * 3]); + assert(!strncmp(buf, "---..h..e..l.l..l..o-", 21)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "..h..e..l..l..o")[0] = '-'; + assert(libsimple_memelemmove(&buf[3], &buf[5], "..x", 3, 5) == NULL); + assert(!strncmp(buf, "---..h..e..l..l..o.o-", 21)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "..h..e..l..l..o")[0] = '-'; + assert(libsimple_memelemmove(&buf[8], &buf[5], "..o", 3, 5) == &buf[8 + 5 * 3]); + assert(!strncmp(buf, "-----..h..h..e..l..l..o-", 24)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "..h..e..l..l..o")[0] = '-'; + assert(libsimple_memelemmove(&buf[8], &buf[5], "..l", 3, 5) == &buf[8 + 3 * 3]); + assert(!strncmp(buf, "-----..h..h..e..l..o-", 21)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "..h..e..l..l..o")[0] = '-'; + assert(libsimple_memelemmove(&buf[8], &buf[5], "..x", 3, 5) == NULL); + assert(!strncmp(buf, "-----..h..h..e..l..l..o-", 24)); + + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "...h...e...l...l...o")[0] = '-'; + assert(libsimple_memelemmove(&buf[5], &buf[5], "...o", 4, 5) == &buf[5 + 5 * 4]); + assert(!strncmp(buf, "-----...h...e...l...l...o-", 26)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "...h...e...l...l...o")[0] = '-';; + assert(libsimple_memelemmove(&buf[5], &buf[5], "...l", 4, 5) == &buf[5 + 3 * 4]); + assert(!strncmp(buf, "-----...h...e...l...l...o-", 26)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "...h...e...l...l...o")[0] = '-'; + assert(libsimple_memelemmove(&buf[5], &buf[5], "...x", 4, 5) == NULL); + assert(!strncmp(buf, "-----...h...e...l...l...o-", 26)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "...h...e...l...l...o")[0] = '-'; + assert(libsimple_memelemmove(&buf[3], &buf[5], "...o", 4, 5) == &buf[3 + 5 * 4]); + assert(!strncmp(buf, "---...h...e...l...l...o.o-", 26)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "...h...e...l...l...o")[0] = '-'; + assert(libsimple_memelemmove(&buf[3], &buf[5], "...l", 4, 5) == &buf[3 + 3 * 4]); + assert(!strncmp(buf, "---...h...e...l.l...l...o-", 26)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "...h...e...l...l...o")[0] = '-'; + assert(libsimple_memelemmove(&buf[3], &buf[5], "...x", 4, 5) == NULL); + assert(!strncmp(buf, "---...h...e...l...l...o.o-", 26)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "...h...e...l...l...o")[0] = '-'; + assert(libsimple_memelemmove(&buf[8], &buf[5], "...o", 4, 5) == &buf[8 + 5 * 4]); + assert(!strncmp(buf, "-----......h...e...l...l...o-", 29)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "...h...e...l...l...o")[0] = '-'; + assert(libsimple_memelemmove(&buf[8], &buf[5], "...l", 4, 5) == &buf[8 + 3 * 4]); + assert(!strncmp(buf, "-----......h...e...ll...o-", 26)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "...h...e...l...l...o")[0] = '-'; + assert(libsimple_memelemmove(&buf[8], &buf[5], "...x", 4, 5) == NULL); + assert(!strncmp(buf, "-----......h...e...l...l...o-", 29)); + + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], ".......h.......e.......l.......l.......o")[0] = '-'; + assert(libsimple_memelemmove(&buf[5], &buf[5], ".......o", 8, 5) == &buf[5 + 5 * 8]); + assert(!strncmp(buf, "-----.......h.......e.......l.......l.......o-", 46)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], ".......h.......e.......l.......l.......o")[0] = '-';; + assert(libsimple_memelemmove(&buf[5], &buf[5], ".......l", 8, 5) == &buf[5 + 3 * 8]); + assert(!strncmp(buf, "-----.......h.......e.......l.......l.......o-", 46)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], ".......h.......e.......l.......l.......o")[0] = '-'; + assert(libsimple_memelemmove(&buf[5], &buf[5], ".......x", 8, 5) == NULL); + assert(!strncmp(buf, "-----.......h.......e.......l.......l.......o-", 46)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], ".......h.......e.......l.......l.......o")[0] = '-'; + assert(libsimple_memelemmove(&buf[3], &buf[5], ".......o", 8, 5) == &buf[3 + 5 * 8]); + assert(!strncmp(buf, "---.......h.......e.......l.......l.......o.o-", 46)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], ".......h.......e.......l.......l.......o")[0] = '-'; + assert(libsimple_memelemmove(&buf[3], &buf[5], ".......l", 8, 5) == &buf[3 + 3 * 8]); + assert(!strncmp(buf, "---.......h.......e.......l.l.......l.......o-", 46)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], ".......h.......e.......l.......l.......o")[0] = '-'; + assert(libsimple_memelemmove(&buf[3], &buf[5], ".......x", 8, 5) == NULL); + assert(!strncmp(buf, "---.......h.......e.......l.......l.......o.o-", 46)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], ".......h.......e.......l.......l.......o")[0] = '-'; + assert(libsimple_memelemmove(&buf[8], &buf[5], ".......o", 8, 5) == &buf[8 + 5 * 8]); + assert(!strncmp(buf, "-----..........h.......e.......l.......l.......o-", 49)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], ".......h.......e.......l.......l.......o")[0] = '-'; + assert(libsimple_memelemmove(&buf[8], &buf[5], ".......l", 8, 5) == &buf[8 + 3 * 8]); + assert(!strncmp(buf, "-----..........h.......e.......l....l.......o-", 46)); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], ".......h.......e.......l.......l.......o")[0] = '-'; + assert(libsimple_memelemmove(&buf[8], &buf[5], ".......x", 8, 5) == NULL); + assert(!strncmp(buf, "-----..........h.......e.......l.......l.......o-", 49)); + + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], ".a.a.aa..a")[0] = '-'; + assert(libsimple_memelemmove(&buf[5], &buf[5], "a.", 2, 5) == &buf[5 + 4 * 2]); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], ".a.a.aa..a")[0] = '-'; + assert(libsimple_memelemmove(&buf[3], &buf[5], "a.", 2, 5) == &buf[3 + 4 * 2]); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], ".a.a.aa..a")[0] = '-'; + assert(libsimple_memelemmove(&buf[8], &buf[5], "a.", 2, 5) == &buf[8 + 4 * 2]); + + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "..a..a..aa....a")[0] = '-'; + assert(libsimple_memelemmove(&buf[5], &buf[5], "a..", 3, 5) == &buf[5 + 4 * 3]); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "..a..a..aa....a")[0] = '-'; + assert(libsimple_memelemmove(&buf[3], &buf[5], "a..", 3, 5) == &buf[3 + 4 * 3]); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "..a..a..aa....a")[0] = '-'; + assert(libsimple_memelemmove(&buf[8], &buf[5], "a..", 3, 5) == &buf[8 + 4 * 3]); + + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "...a...a...aa......a")[0] = '-'; + assert(libsimple_memelemmove(&buf[5], &buf[5], "a...", 4, 5) == &buf[5 + 4 * 4]); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "...a...a...aa......a")[0] = '-'; + assert(libsimple_memelemmove(&buf[3], &buf[5], "a...", 4, 5) == &buf[3 + 4 * 4]); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], "...a...a...aa......a")[0] = '-'; + assert(libsimple_memelemmove(&buf[8], &buf[5], "a...", 4, 5) == &buf[8 + 4 * 4]); + + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], ".......a.......a.......aa..............a")[0] = '-'; + assert(libsimple_memelemmove(&buf[5], &buf[5], "a.......", 8, 5) == &buf[5 + 4 * 8]); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], ".......a.......a.......aa..............a")[0] = '-'; + assert(libsimple_memelemmove(&buf[3], &buf[5], "a.......", 8, 5) == &buf[3 + 4 * 8]); + + memset(buf, '-', sizeof(buf)), buf[sizeof(buf) - 1] = '\0'; + stpcpy(&buf[5], ".......a.......a.......aa..............a")[0] = '-'; + assert(libsimple_memelemmove(&buf[8], &buf[5], "a.......", 8, 5) == &buf[8 + 4 * 8]); + + return 0; } |