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author | Jari Vetoniemi <jari.vetoniemi@indooratlas.com> | 2020-03-16 18:49:26 +0900 |
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committer | Jari Vetoniemi <jari.vetoniemi@indooratlas.com> | 2020-03-30 00:39:06 +0900 |
commit | fcbf63e62c627deae76c1b8cb8c0876c536ed811 (patch) | |
tree | 64cb17de3f41a2b6fef2368028fbd00349946994 /jni/iconv/srclib/memmove.c |
Fresh start
Diffstat (limited to 'jni/iconv/srclib/memmove.c')
-rw-r--r-- | jni/iconv/srclib/memmove.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/jni/iconv/srclib/memmove.c b/jni/iconv/srclib/memmove.c new file mode 100644 index 0000000..c5ff8b5 --- /dev/null +++ b/jni/iconv/srclib/memmove.c @@ -0,0 +1,26 @@ +/* memmove.c -- copy memory. + Copy LENGTH bytes from SOURCE to DEST. Does not null-terminate. + In the public domain. + By David MacKenzie <djm@gnu.ai.mit.edu>. */ + +#include <config.h> + +#include <stddef.h> + +void * +memmove (void *dest0, void const *source0, size_t length) +{ + char *dest = dest0; + char const *source = source0; + if (source < dest) + /* Moving from low mem to hi mem; start at end. */ + for (source += length, dest += length; length; --length) + *--dest = *--source; + else if (source != dest) + { + /* Moving from hi mem to low mem; start at beginning. */ + for (; length; --length) + *dest++ = *source++; + } + return dest0; +} |