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Diffstat (limited to '')
| -rw-r--r-- | memsetelem.c | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/memsetelem.c b/memsetelem.c new file mode 100644 index 0000000..6bcf021 --- /dev/null +++ b/memsetelem.c @@ -0,0 +1,50 @@ +/* See LICENSE file for copyright and license details. */ +#include "libsimple.h" +#ifndef TEST + + +extern inline void *libsimple_memsetelem(void *, const void *, size_t, size_t); + + +#else +#include "test.h" + +int +main(void) +{ + char p_[4096]; + char *p = p_; + size_t i; + + memset(p, 0, sizeof(p_)); + assert(libsimple_memsetelem(p, &(uint64_t){~0}, 0, 0) == p); + assert(libsimple_memsetelem(p, &(uint64_t){~0}, 0, 10) == p); + assert(libsimple_memsetelem(p, &(uint64_t){~0}, 1, 0) == p); + assert(libsimple_memsetelem(p, &(uint64_t){~0}, 2, 0) == p); + assert(libsimple_memsetelem(p, &(uint64_t){~0}, 4, 0) == p); + assert(libsimple_memsetelem(p, &(uint64_t){~0}, 8, 0) == p); + assert(libsimple_memsetelem(p, &(uint64_t){~0}, 16, 0) == p); + assert(libsimple_memsetelem(p, &(uint64_t){~0}, 3, 0) == p); + assert(libsimple_memsetelem(p, &(uint8_t){0x09}, 1, 3000) == p); + assert(libsimple_memsetelem(p, &(uint16_t){0x0807}, 2, 1000) == p); + assert(libsimple_memsetelem(p, &(uint32_t){0x10203040UL}, 4, 300) == p); + assert(libsimple_memsetelem(p, &(uint64_t){0x0102030450607080ULL}, 8, 100) == p); + assert(libsimple_memsetelem(p, (char []){0xA0, 0xB0, 0xC0}, 3, 16) == p); + + for (i = 0; i < 48; i++) + assert(p[i] == ((char []){0xA0, 0xB0, 0xC0})[i % 3]); + for (; i < 800; i += 8) + assert(*(uint64_t *)&p[i] == 0x0102030450607080ULL); + for (; i < 1200; i += 4) + assert(*(uint32_t *)&p[i] == 0x10203040UL); + for (; i < 2000; i += 2) + assert(*(uint16_t *)&p[i] == 0x0807); + for (; i < 3000; i++) + assert(p[i] == 0x09); + for (; i < sizeof(p_); i++) + assert(p[i] == 0); + + return 0; +} + +#endif |