diff options
| author | Harald Welte <laforge@gnumonks.org> | 2017-05-15 12:07:51 +0200 |
|---|---|---|
| committer | Harald Welte <laforge@gnumonks.org> | 2017-05-15 13:42:00 +0200 |
| commit | 3318c657dea52c143842dab0e0f7733288f7bd4d (patch) | |
| tree | ef025d5907529f7d4f4614e6d110e54b9ca0e045 /tests/endian | |
| parent | 054667fe15434e7e467311c7213b50f849aecc79 (diff) | |
introduce byteswap.h with osmo_{htonl,ntohl,htons,ntohs}
We need to have an architecture-independend way of endian conversion /
byte swapping functions which will also work on embedded (bare iron)
builds. Let's introduce osmocom/core/bytesawp.h for this purpose.
Change-Id: Ibc0cc1e36d4ed63a35cf8ceff3af0f26e5ac7a3d
Diffstat (limited to 'tests/endian')
| -rw-r--r-- | tests/endian/endian_test.c | 31 | ||||
| -rw-r--r-- | tests/endian/endian_test.ok | 3 |
2 files changed, 34 insertions, 0 deletions
diff --git a/tests/endian/endian_test.c b/tests/endian/endian_test.c new file mode 100644 index 00000000..8737e7a4 --- /dev/null +++ b/tests/endian/endian_test.c @@ -0,0 +1,31 @@ +#include <osmocom/core/byteswap.h> +#include <osmocom/core/utils.h> + +int main(int argc, char **argv) +{ + printf("Testing 16bit swappinng\n"); + OSMO_ASSERT(osmo_swab16(0x1234) == 0x3412); + printf("Testing 32bit swappinng\n"); + OSMO_ASSERT(osmo_swab32(0x12345678) == 0x78563412); + + printf("Testing ntohX() and htonX()\n"); +#if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__ +#if OSMO_IS_LITTLE_ENDIAN == 0 +#error "Something wrong with endianness detection!" +#endif /* IS_LITTLE_ENDIAN */ + OSMO_ASSERT(osmo_ntohs(0x1234) == 0x3412); + OSMO_ASSERT(osmo_htons(0x1234) == 0x3412); + OSMO_ASSERT(osmo_htonl(0x12345678) == 0x78563412); + OSMO_ASSERT(osmo_ntohl(0x12345678) == 0x78563412); +#else +#if OSMO_IS_LITTLE_ENDIAN == 1 +#error "Something wrong with endianness detection!" +#endif /* IS_LITTLE_ENDIAN */ + OSMO_ASSERT(osmo_ntohs(0x1234) == 0x1234); + OSMO_ASSERT(osmo_htons(0x1234) == 0x1234); + OSMO_ASSERT(osmo_htonl(0x12345678) == 0x12345678); + OSMO_ASSERT(osmo_ntohl(0x12345678) == 0x12345678); +#endif /* __BYTE_ORDER__ */ + + exit(0); +} diff --git a/tests/endian/endian_test.ok b/tests/endian/endian_test.ok new file mode 100644 index 00000000..a42f4575 --- /dev/null +++ b/tests/endian/endian_test.ok @@ -0,0 +1,3 @@ +Testing 16bit swappinng +Testing 32bit swappinng +Testing ntohX() and htonX() |