We have a couple of forward declarations in the stack-related code of
the reftable library. These declarations aren't really required, but are
simply caused by unfortunate ordering.
Reorder the code and remove the forward declarations.
Signed-off-by: Patrick Steinhardt <ps@xxxxxx>
---
reftable/stack.c | 364 +++++++++++++++++++++++++++----------------------------
1 file changed, 176 insertions(+), 188 deletions(-)
diff --git a/reftable/stack.c b/reftable/stack.c
index 4caf96aa1d..ed80710572 100644
--- a/reftable/stack.c
+++ b/reftable/stack.c
@@ -17,18 +17,6 @@
#include "table.h"
#include "writer.h"
-static int stack_try_add(struct reftable_stack *st,
- int (*write_table)(struct reftable_writer *wr,
- void *arg),
- void *arg);
-static int stack_write_compact(struct reftable_stack *st,
- struct reftable_writer *wr,
- size_t first, size_t last,
- struct reftable_log_expiry_config *config);
-static void reftable_addition_close(struct reftable_addition *add);
-static int reftable_stack_reload_maybe_reuse(struct reftable_stack *st,
- int reuse_open);
-
static int stack_filename(struct reftable_buf *dest, struct reftable_stack *st,
const char *name)
{
@@ -84,54 +72,6 @@ static int fd_writer_flush(void *arg)
return stack_fsync(writer->opts, writer->fd);
}
-int reftable_new_stack(struct reftable_stack **dest, const char *dir,
- const struct reftable_write_options *_opts)
-{
- struct reftable_buf list_file_name = REFTABLE_BUF_INIT;
- struct reftable_write_options opts = { 0 };
- struct reftable_stack *p;
- int err;
-
- p = reftable_calloc(1, sizeof(*p));
- if (!p) {
- err = REFTABLE_OUT_OF_MEMORY_ERROR;
- goto out;
- }
-
- if (_opts)
- opts = *_opts;
- if (opts.hash_id == 0)
- opts.hash_id = REFTABLE_HASH_SHA1;
-
- *dest = NULL;
-
- reftable_buf_reset(&list_file_name);
- if ((err = reftable_buf_addstr(&list_file_name, dir)) < 0 ||
- (err = reftable_buf_addstr(&list_file_name, "/tables.list")) < 0)
- goto out;
-
- p->list_file = reftable_buf_detach(&list_file_name);
- p->list_fd = -1;
- p->opts = opts;
- p->reftable_dir = reftable_strdup(dir);
- if (!p->reftable_dir) {
- err = REFTABLE_OUT_OF_MEMORY_ERROR;
- goto out;
- }
-
- err = reftable_stack_reload_maybe_reuse(p, 1);
- if (err < 0)
- goto out;
-
- *dest = p;
- err = 0;
-
-out:
- if (err < 0)
- reftable_stack_destroy(p);
- return err;
-}
-
static int fd_read_lines(int fd, char ***namesp)
{
char *buf = NULL;
@@ -591,6 +531,54 @@ static int reftable_stack_reload_maybe_reuse(struct reftable_stack *st,
return err;
}
+int reftable_new_stack(struct reftable_stack **dest, const char *dir,
+ const struct reftable_write_options *_opts)
+{
+ struct reftable_buf list_file_name = REFTABLE_BUF_INIT;
+ struct reftable_write_options opts = { 0 };
+ struct reftable_stack *p;
+ int err;
+
+ p = reftable_calloc(1, sizeof(*p));
+ if (!p) {
+ err = REFTABLE_OUT_OF_MEMORY_ERROR;
+ goto out;
+ }
+
+ if (_opts)
+ opts = *_opts;
+ if (opts.hash_id == 0)
+ opts.hash_id = REFTABLE_HASH_SHA1;
+
+ *dest = NULL;
+
+ reftable_buf_reset(&list_file_name);
+ if ((err = reftable_buf_addstr(&list_file_name, dir)) < 0 ||
+ (err = reftable_buf_addstr(&list_file_name, "/tables.list")) < 0)
+ goto out;
+
+ p->list_file = reftable_buf_detach(&list_file_name);
+ p->list_fd = -1;
+ p->opts = opts;
+ p->reftable_dir = reftable_strdup(dir);
+ if (!p->reftable_dir) {
+ err = REFTABLE_OUT_OF_MEMORY_ERROR;
+ goto out;
+ }
+
+ err = reftable_stack_reload_maybe_reuse(p, 1);
+ if (err < 0)
+ goto out;
+
+ *dest = p;
+ err = 0;
+
+out:
+ if (err < 0)
+ reftable_stack_destroy(p);
+ return err;
+}
+
/* -1 = error
0 = up to date
1 = changed. */
@@ -667,34 +655,6 @@ int reftable_stack_reload(struct reftable_stack *st)
return err;
}
-int reftable_stack_add(struct reftable_stack *st,
- int (*write)(struct reftable_writer *wr, void *arg),
- void *arg)
-{
- int err = stack_try_add(st, write, arg);
- if (err < 0) {
- if (err == REFTABLE_OUTDATED_ERROR) {
- /* Ignore error return, we want to propagate
- REFTABLE_OUTDATED_ERROR.
- */
- reftable_stack_reload(st);
- }
- return err;
- }
-
- return 0;
-}
-
-static int format_name(struct reftable_buf *dest, uint64_t min, uint64_t max)
-{
- char buf[100];
- uint32_t rnd = reftable_rand();
- snprintf(buf, sizeof(buf), "0x%012" PRIx64 "-0x%012" PRIx64 "-%08x",
- min, max, rnd);
- reftable_buf_reset(dest);
- return reftable_buf_addstr(dest, buf);
-}
-
struct reftable_addition {
struct reftable_flock tables_list_lock;
struct reftable_stack *stack;
@@ -706,6 +666,26 @@ struct reftable_addition {
#define REFTABLE_ADDITION_INIT {0}
+static void reftable_addition_close(struct reftable_addition *add)
+{
+ struct reftable_buf nm = REFTABLE_BUF_INIT;
+ size_t i;
+
+ for (i = 0; i < add->new_tables_len; i++) {
+ if (!stack_filename(&nm, add->stack, add->new_tables[i]))
+ unlink(nm.buf);
+ reftable_free(add->new_tables[i]);
+ add->new_tables[i] = NULL;
+ }
+ reftable_free(add->new_tables);
+ add->new_tables = NULL;
+ add->new_tables_len = 0;
+ add->new_tables_cap = 0;
+
+ flock_release(&add->tables_list_lock);
+ reftable_buf_release(&nm);
+}
+
static int reftable_stack_init_addition(struct reftable_addition *add,
struct reftable_stack *st,
unsigned int flags)
@@ -754,24 +734,52 @@ static int reftable_stack_init_addition(struct reftable_addition *add,
return err;
}
-static void reftable_addition_close(struct reftable_addition *add)
+static int stack_try_add(struct reftable_stack *st,
+ int (*write_table)(struct reftable_writer *wr,
+ void *arg),
+ void *arg)
{
- struct reftable_buf nm = REFTABLE_BUF_INIT;
- size_t i;
+ struct reftable_addition add = REFTABLE_ADDITION_INIT;
+ int err = reftable_stack_init_addition(&add, st, 0);
+ if (err < 0)
+ goto done;
- for (i = 0; i < add->new_tables_len; i++) {
- if (!stack_filename(&nm, add->stack, add->new_tables[i]))
- unlink(nm.buf);
- reftable_free(add->new_tables[i]);
- add->new_tables[i] = NULL;
+ err = reftable_addition_add(&add, write_table, arg);
+ if (err < 0)
+ goto done;
+
+ err = reftable_addition_commit(&add);
+done:
+ reftable_addition_close(&add);
+ return err;
+}
+
+int reftable_stack_add(struct reftable_stack *st,
+ int (*write)(struct reftable_writer *wr, void *arg),
+ void *arg)
+{
+ int err = stack_try_add(st, write, arg);
+ if (err < 0) {
+ if (err == REFTABLE_OUTDATED_ERROR) {
+ /* Ignore error return, we want to propagate
+ REFTABLE_OUTDATED_ERROR.
+ */
+ reftable_stack_reload(st);
+ }
+ return err;
}
- reftable_free(add->new_tables);
- add->new_tables = NULL;
- add->new_tables_len = 0;
- add->new_tables_cap = 0;
- flock_release(&add->tables_list_lock);
- reftable_buf_release(&nm);
+ return 0;
+}
+
+static int format_name(struct reftable_buf *dest, uint64_t min, uint64_t max)
+{
+ char buf[100];
+ uint32_t rnd = reftable_rand();
+ snprintf(buf, sizeof(buf), "0x%012" PRIx64 "-0x%012" PRIx64 "-%08x",
+ min, max, rnd);
+ reftable_buf_reset(dest);
+ return reftable_buf_addstr(dest, buf);
}
void reftable_addition_destroy(struct reftable_addition *add)
@@ -874,26 +882,6 @@ int reftable_stack_new_addition(struct reftable_addition **dest,
return err;
}
-static int stack_try_add(struct reftable_stack *st,
- int (*write_table)(struct reftable_writer *wr,
- void *arg),
- void *arg)
-{
- struct reftable_addition add = REFTABLE_ADDITION_INIT;
- int err = reftable_stack_init_addition(&add, st, 0);
- if (err < 0)
- goto done;
-
- err = reftable_addition_add(&add, write_table, arg);
- if (err < 0)
- goto done;
-
- err = reftable_addition_commit(&add);
-done:
- reftable_addition_close(&add);
- return err;
-}
-
int reftable_addition_add(struct reftable_addition *add,
int (*write_table)(struct reftable_writer *wr,
void *arg),
@@ -1007,72 +995,6 @@ uint64_t reftable_stack_next_update_index(struct reftable_stack *st)
return 1;
}
-static int stack_compact_locked(struct reftable_stack *st,
- size_t first, size_t last,
- struct reftable_log_expiry_config *config,
- struct reftable_tmpfile *tab_file_out)
-{
- struct reftable_buf next_name = REFTABLE_BUF_INIT;
- struct reftable_buf tab_file_path = REFTABLE_BUF_INIT;
- struct reftable_writer *wr = NULL;
- struct fd_writer writer= {
- .opts = &st->opts,
- };
- struct reftable_tmpfile tab_file = REFTABLE_TMPFILE_INIT;
- int err = 0;
-
- err = format_name(&next_name, reftable_table_min_update_index(st->tables[first]),
- reftable_table_max_update_index(st->tables[last]));
- if (err < 0)
- goto done;
-
- err = stack_filename(&tab_file_path, st, next_name.buf);
- if (err < 0)
- goto done;
-
- err = reftable_buf_addstr(&tab_file_path, ".temp.XXXXXX");
- if (err < 0)
- goto done;
-
- err = tmpfile_from_pattern(&tab_file, tab_file_path.buf);
- if (err < 0)
- goto done;
-
- if (st->opts.default_permissions &&
- chmod(tab_file.path, st->opts.default_permissions) < 0) {
- err = REFTABLE_IO_ERROR;
- goto done;
- }
-
- writer.fd = tab_file.fd;
- err = reftable_writer_new(&wr, fd_writer_write, fd_writer_flush,
- &writer, &st->opts);
- if (err < 0)
- goto done;
-
- err = stack_write_compact(st, wr, first, last, config);
- if (err < 0)
- goto done;
-
- err = reftable_writer_close(wr);
- if (err < 0)
- goto done;
-
- err = tmpfile_close(&tab_file);
- if (err < 0)
- goto done;
-
- *tab_file_out = tab_file;
- tab_file = REFTABLE_TMPFILE_INIT;
-
-done:
- tmpfile_delete(&tab_file);
- reftable_writer_free(wr);
- reftable_buf_release(&next_name);
- reftable_buf_release(&tab_file_path);
- return err;
-}
-
static int stack_write_compact(struct reftable_stack *st,
struct reftable_writer *wr,
size_t first, size_t last,
@@ -1172,6 +1094,72 @@ static int stack_write_compact(struct reftable_stack *st,
return err;
}
+static int stack_compact_locked(struct reftable_stack *st,
+ size_t first, size_t last,
+ struct reftable_log_expiry_config *config,
+ struct reftable_tmpfile *tab_file_out)
+{
+ struct reftable_buf next_name = REFTABLE_BUF_INIT;
+ struct reftable_buf tab_file_path = REFTABLE_BUF_INIT;
+ struct reftable_writer *wr = NULL;
+ struct fd_writer writer= {
+ .opts = &st->opts,
+ };
+ struct reftable_tmpfile tab_file = REFTABLE_TMPFILE_INIT;
+ int err = 0;
+
+ err = format_name(&next_name, reftable_table_min_update_index(st->tables[first]),
+ reftable_table_max_update_index(st->tables[last]));
+ if (err < 0)
+ goto done;
+
+ err = stack_filename(&tab_file_path, st, next_name.buf);
+ if (err < 0)
+ goto done;
+
+ err = reftable_buf_addstr(&tab_file_path, ".temp.XXXXXX");
+ if (err < 0)
+ goto done;
+
+ err = tmpfile_from_pattern(&tab_file, tab_file_path.buf);
+ if (err < 0)
+ goto done;
+
+ if (st->opts.default_permissions &&
+ chmod(tab_file.path, st->opts.default_permissions) < 0) {
+ err = REFTABLE_IO_ERROR;
+ goto done;
+ }
+
+ writer.fd = tab_file.fd;
+ err = reftable_writer_new(&wr, fd_writer_write, fd_writer_flush,
+ &writer, &st->opts);
+ if (err < 0)
+ goto done;
+
+ err = stack_write_compact(st, wr, first, last, config);
+ if (err < 0)
+ goto done;
+
+ err = reftable_writer_close(wr);
+ if (err < 0)
+ goto done;
+
+ err = tmpfile_close(&tab_file);
+ if (err < 0)
+ goto done;
+
+ *tab_file_out = tab_file;
+ tab_file = REFTABLE_TMPFILE_INIT;
+
+done:
+ tmpfile_delete(&tab_file);
+ reftable_writer_free(wr);
+ reftable_buf_release(&next_name);
+ reftable_buf_release(&tab_file_path);
+ return err;
+}
+
enum stack_compact_range_flags {
/*
* Perform a best-effort compaction. That is, even if we cannot lock
--
2.51.0.rc1.215.g0f929dcec7.dirty
