Skip to content

StrArray memory fix #454

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
mattyclarkson merged 3 commits into from
Mar 3, 2015
Merged

StrArray memory fix #454

Changes from 1 commit
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
1a74a2d
Allocate the correct amount of memory
mattyclarkson Mar 3, 2015
3d4cecf
Reduce number of heap allocations for string array
mattyclarkson Mar 3, 2015
3e5cb89
Expose AllocStrArray
mattyclarkson Mar 3, 2015
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
Prev Previous commit
Next Next commit
Reduce number of heap allocations for string array
  • Loading branch information
@mattyclarkson
mattyclarkson committed Mar 3, 2015
commit 3d4cecfb2df046b76c5884d680067e174f44274f
17 changes: 11 additions & 6 deletions generate/templates/manual/src/str_array_converter.cc
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -24,10 +24,17 @@ git_strarray *StrArrayConverter::Convert(Handle<v8::Value> val) {
}
}

static git_strarray * AllocGitStrArray(const size_t count) {
const size_t size = sizeof(git_strarray) + (sizeof(char*) * count);
uint8_t* memory = reinterpret_cast<uint8_t*>(malloc(size));
git_strarray *result = reinterpret_cast<git_strarray *>(memory);
result->count = count;
result->strings = reinterpret_cast<char**>(memory + sizeof(git_strarray));
return result;
}

git_strarray *StrArrayConverter::ConvertArray(Array *val) {
git_strarray *result = (git_strarray *)malloc(sizeof(git_strarray));
result->count = val->Length();
result->strings = (char **)malloc(sizeof(char*) * result->count);
git_strarray *result = AllocGitStrArray(val->Length());

for(size_t i = 0; i < result->count; i++) {
NanUtf8String entry(val->Get(i));
Expand All @@ -47,9 +54,7 @@ git_strarray* StrArrayConverter::ConvertString(Handle<String> val) {
}

git_strarray *StrArrayConverter::ConstructStrArray(int argc, char** argv) {
git_strarray *result = (git_strarray *)malloc(sizeof(git_strarray));
result->count = argc;
result->strings = (char **)malloc(sizeof(char*) * result->count);
git_strarray *result = AllocGitStrArray(argc);

for(size_t i = 0; i < result->count; i++) {
result->strings[i] = strdup(argv[i]);
Expand Down