diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/include/lib/qunique.h | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/src/include/lib/qunique.h b/src/include/lib/qunique.h index 73aa10f1659..95d9fef637a 100644 --- a/src/include/lib/qunique.h +++ b/src/include/lib/qunique.h @@ -30,8 +30,9 @@ qunique(void *array, size_t elements, size_t width, for (i = 1, j = 0; i < elements; ++i) { - if (compare(bytes + i * width, bytes + j * width) != 0) - memcpy(bytes + ++j * width, bytes + i * width, width); + if (compare(bytes + i * width, bytes + j * width) != 0 && + ++j != i) + memcpy(bytes + j * width, bytes + i * width, width); } return j + 1; @@ -55,8 +56,9 @@ qunique_arg(void *array, size_t elements, size_t width, for (i = 1, j = 0; i < elements; ++i) { - if (compare(bytes + i * width, bytes + j * width, arg) != 0) - memcpy(bytes + ++j * width, bytes + i * width, width); + if (compare(bytes + i * width, bytes + j * width, arg) != 0 && + ++j != i) + memcpy(bytes + j * width, bytes + i * width, width); } return j + 1; |