A check into the history of this code revealed no particular reason for the code to be written in this way. All popular compilers are capable of unrolling loops if it benefits performance, and once this code is replaced with a loop, the magic number 6 used in multiple places in this function can be replaced with a named constant.
Reviewed-by: Derrick Stolee <[email protected]> Reviewed-by: Johannes Schindelin <[email protected]> Reviewed-by: Jeff King <[email protected]> Signed-off-by: Alex Henrie <[email protected]> --- wrapper.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/wrapper.c b/wrapper.c index c55d7722d7..c23ac6adcd 100644 --- a/wrapper.c +++ b/wrapper.c @@ -469,13 +469,12 @@ int git_mkstemps_mode(char *pattern, int suffix_len, int mode) filename_template = &pattern[len - 6 - suffix_len]; for (count = 0; count < TMP_MAX; ++count) { uint64_t v = value; + int i; /* Fill in the random bits. */ - filename_template[0] = letters[v % num_letters]; v /= num_letters; - filename_template[1] = letters[v % num_letters]; v /= num_letters; - filename_template[2] = letters[v % num_letters]; v /= num_letters; - filename_template[3] = letters[v % num_letters]; v /= num_letters; - filename_template[4] = letters[v % num_letters]; v /= num_letters; - filename_template[5] = letters[v % num_letters]; v /= num_letters; + for (i = 0; i < 6; i++) { + filename_template[i] = letters[v % num_letters]; + v /= num_letters; + } fd = open(pattern, O_CREAT | O_EXCL | O_RDWR, mode); if (fd >= 0) -- 2.23.0
