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Fix resizing the index array

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No longer segfaults when resizing an empty array.

Signed-off-by: Vicent Marti <tanoku@gmail.com>
This commit is contained in:
Vicent Marti 2010-11-17 04:59:11 +02:00
parent 50dd6ca54c
commit c3dd69a9e1
1 changed files with 12 additions and 3 deletions
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15
src/index.c
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@ -134,6 +134,9 @@ int git_index_open_bare(git_index **index_out, const char *index_path)
int git_index_open_inrepo(git_index **index_out, git_repository *repo)
{
if (repo->is_bare)
return GIT_EBAREINDEX;
return index_initialize(index_out, repo, repo->path_index);
}
@ -183,12 +186,15 @@ int git_index_read(git_index *index)
if (gitfo_stat(index->index_file_path, &indexst) < 0)
return GIT_EOSERR;
if (!S_ISREG(indexst.st_mode))
return GIT_ENOTFOUND;
if (indexst.st_mtime != index->last_modified) {
gitfo_buf buffer;
if (gitfo_read_file(&buffer, index->index_file_path) < 0)
return GIT_ENOTFOUND;
return GIT_EOSERR;
git_index_clear(index);
error = git_index__parse(index, buffer.data, buffer.len);
@ -334,6 +340,9 @@ int git_index_insert(git_index *index, const git_index_entry *source_entry)
size_t new_size;
new_size = (unsigned int)(index->entries_size * 1.5f);
if (new_size < 8)
new_size = 8;
if ((new_entries = git__malloc(new_size * sizeof(git_index_entry))) == NULL)
return GIT_ENOMEM;
@ -347,7 +356,7 @@ int git_index_insert(git_index *index, const git_index_entry *source_entry)
offset = &index->entries[index->entry_count];
index->entry_count++;
index->sorted = 0;
} else {
offset = &index->entries[position];
free(offset->path);
@ -356,7 +365,7 @@ int git_index_insert(git_index *index, const git_index_entry *source_entry)
memcpy(offset, source_entry, sizeof(git_index_entry));
/* duplicate the path string so we own it */
offset->path = git__strdup(source_entry->path);
offset->path = git__strdup(offset->path);
if (offset->path == NULL)
return GIT_ENOMEM;