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ui-tree: remove a fixed size buffer

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As libgit.a moves away from using fixed size buffers, there is no
guarantee that PATH_MAX is sufficient for all of the paths in a Git
tree, so we should use a dynamically sized buffer here.

Coverity-Id: 141884
Signed-off-by: John Keeping <john@keeping.me.uk>
This commit is contained in:
John Keeping 2016-08-13 11:54:46 +01:00
parent f80b73fa20
commit e18a85b6a2
1 changed files with 9 additions and 6 deletions
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15
ui-tree.c
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@ -324,22 +324,25 @@ static int walk_tree(const unsigned char *sha1, struct strbuf *base,
const char *pathname, unsigned mode, int stage, void *cbdata) const char *pathname, unsigned mode, int stage, void *cbdata)
{ {
struct walk_tree_context *walk_tree_ctx = cbdata; struct walk_tree_context *walk_tree_ctx = cbdata;
static char buffer[PATH_MAX];
if (walk_tree_ctx->state == 0) { if (walk_tree_ctx->state == 0) {
memcpy(buffer, base->buf, base->len); struct strbuf buffer = STRBUF_INIT;
strcpy(buffer + base->len, pathname);
if (strcmp(walk_tree_ctx->match_path, buffer)) strbuf_addbuf(&buffer, base);
strbuf_addstr(&buffer, pathname);
if (strcmp(walk_tree_ctx->match_path, buffer.buf))
return READ_TREE_RECURSIVE; return READ_TREE_RECURSIVE;
if (S_ISDIR(mode)) { if (S_ISDIR(mode)) {
walk_tree_ctx->state = 1; walk_tree_ctx->state = 1;
set_title_from_path(buffer); set_title_from_path(buffer.buf);
strbuf_release(&buffer);
ls_head(); ls_head();
return READ_TREE_RECURSIVE; return READ_TREE_RECURSIVE;
} else { } else {
walk_tree_ctx->state = 2; walk_tree_ctx->state = 2;
print_object(sha1, buffer, pathname, walk_tree_ctx->curr_rev); print_object(sha1, buffer.buf, pathname, walk_tree_ctx->curr_rev);
strbuf_release(&buffer);
return 0; return 0;
} }
} }