diff options
author | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
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committer | Norbert Preining <norbert@preining.info> | 2019-09-02 13:46:59 +0900 |
commit | e0c6872cf40896c7be36b11dcc744620f10adf1d (patch) | |
tree | 60335e10d2f4354b0674ec22d7b53f0f8abee672 /support/dktools/dk4memcpl.ctr |
Initial commit
Diffstat (limited to 'support/dktools/dk4memcpl.ctr')
-rw-r--r-- | support/dktools/dk4memcpl.ctr | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/support/dktools/dk4memcpl.ctr b/support/dktools/dk4memcpl.ctr new file mode 100644 index 0000000000..eb217cccc3 --- /dev/null +++ b/support/dktools/dk4memcpl.ctr @@ -0,0 +1,52 @@ +%% options + +copyright owner = Dirk Krause +copyright year = 2015-xxxx +license = bsd + + +%% header + +/** @file dk4memcpl.h Copy memory within buffer from right to left. +*/ + +#include "dk4error.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/** Copy memory from right to left. + @param dst Destination buffer address. + @param src Source buffer address. + @param sz Number of bytes to copy. + @param erp Error report, may be NULL. +*/ +void +dk4mem_cpy_to_left(void *dst, const void *src, size_t sz, dk4_er_t *erp); + +#ifdef __cplusplus +} +#endif + + +%% module + + +#include "dk4memcpl.h" + + + +void +dk4mem_cpy_to_left(void *dst, const void *src, size_t sz, dk4_er_t *erp) +{ + unsigned char *dptr; + const unsigned char *sptr; + if ((NULL != dst) && (NULL != src) && (0 < sz)) { + dptr = (unsigned char *)dst; sptr = (const unsigned char *)src; + while (0 < sz--) { *(dptr++) = *(sptr++); } + } else { + dk4error_set_simple_error_code(erp, DK4_E_INVALID_ARGUMENTS); + } +} + |