diff options
Diffstat (limited to '')
| -rw-r--r-- | mempsetelem.c | 34 |
1 files changed, 33 insertions, 1 deletions
diff --git a/mempsetelem.c b/mempsetelem.c index c8990ed..6759579 100644 --- a/mempsetelem.c +++ b/mempsetelem.c @@ -4,7 +4,7 @@ void * -libsimple_mempsetelem(void *buf_, const void *item, size_t size, size_t nitems) /* TODO test */ +libsimple_mempsetelem(void *buf_, const void *item, size_t size, size_t nitems) { switch (size) { case 0: @@ -54,6 +54,38 @@ libsimple_mempsetelem(void *buf_, const void *item, size_t size, size_t nitems) int main(void) { + char buf_[4096]; + char *buf = buf_; + size_t i; + + memset(buf, 0, sizeof(buf_)); + assert(libsimple_mempsetelem(buf, &(uint64_t){~0}, 0, 0) == &buf[0]); + assert(libsimple_mempsetelem(buf, &(uint64_t){~0}, 0, 10) == &buf[0]); + assert(libsimple_mempsetelem(buf, &(uint64_t){~0}, 1, 0) == &buf[0]); + assert(libsimple_mempsetelem(buf, &(uint64_t){~0}, 2, 0) == &buf[0]); + assert(libsimple_mempsetelem(buf, &(uint64_t){~0}, 4, 0) == &buf[0]); + assert(libsimple_mempsetelem(buf, &(uint64_t){~0}, 8, 0) == &buf[0]); + assert(libsimple_mempsetelem(buf, &(uint64_t){~0}, 16, 0) == &buf[0]); + assert(libsimple_mempsetelem(buf, &(uint64_t){~0}, 3, 0) == &buf[0]); + assert(libsimple_mempsetelem(buf, &(uint8_t){0x09}, 1, 3000) == &buf[3000]); + assert(libsimple_mempsetelem(buf, &(uint16_t){0x0807}, 2, 1000) == &buf[2000]); + assert(libsimple_mempsetelem(buf, &(uint32_t){0x10203040UL}, 4, 300) == &buf[1200]); + assert(libsimple_mempsetelem(buf, &(uint64_t){0x0102030450607080ULL}, 8, 100) == &buf[800]); + assert(libsimple_mempsetelem(buf, (char []){0xA0, 0xB0, 0xC0}, 3, 16) == &buf[48]); + + for (i = 0; i < 48; i++) + assert(buf[i] == ((char []){0xA0, 0xB0, 0xC0})[i % 3]); + for (; i < 800; i += 8) + assert(*(uint64_t *)&buf[i] == 0x0102030450607080ULL); + for (; i < 1200; i += 4) + assert(*(uint32_t *)&buf[i] == 0x10203040UL); + for (; i < 2000; i += 2) + assert(*(uint16_t *)&buf[i] == 0x0807); + for (; i < 3000; i++) + assert(buf[i] == 0x09); + for (; i < sizeof(buf_); i++) + assert(buf[i] == 0); + return 0; } |