[PATCH v5 09/30] refs.c: change ref_transaction_create to do error checking and return status
From: Ronnie Sahlberg <hidden>
Date: 2016-06-15 23:00:55
Subsystem:
the rest · Maintainer:
Linus Torvalds
Do basic error checking in ref_transaction_create() and make it return status. Update all callers to check the result of ref_transaction_create() There are currently no conditions in _update that will return error but there will be in the future. Signed-off-by: Ronnie Sahlberg <redacted> --- builtin/update-ref.c | 4 +++- refs.c | 17 +++++++++++------ refs.h | 8 ++++---- 3 files changed, 18 insertions(+), 11 deletions(-)
diff --git a/builtin/update-ref.c b/builtin/update-ref.c
index 59c4d6b..3fab810 100644
--- a/builtin/update-ref.c
+++ b/builtin/update-ref.c@@ -225,7 +225,9 @@ static const char *parse_cmd_create(struct strbuf *input, const char *next) if (*next != line_termination) die("create %s: extra input: %s", refname, next); - ref_transaction_create(transaction, refname, new_sha1, update_flags); + if (ref_transaction_create(transaction, refname, new_sha1, + update_flags)) + die("failed transaction create for %s", refname); update_flags = 0; free(refname);
diff --git a/refs.c b/refs.c
index 1a903fb..27db737 100644
--- a/refs.c
+++ b/refs.c@@ -3353,18 +3353,23 @@ int ref_transaction_update(struct ref_transaction *transaction, return 0; } -void ref_transaction_create(struct ref_transaction *transaction, - const char *refname, - const unsigned char *new_sha1, - int flags) +int ref_transaction_create(struct ref_transaction *transaction, + const char *refname, + const unsigned char *new_sha1, + int flags) { - struct ref_update *update = add_update(transaction, refname); + struct ref_update *update; + + if (!new_sha1 || is_null_sha1(new_sha1)) + die("create ref with null new_sha1"); + + update = add_update(transaction, refname); - assert(!is_null_sha1(new_sha1)); hashcpy(update->new_sha1, new_sha1); hashclr(update->old_sha1); update->flags = flags; update->have_old = 1; + return 0; } void ref_transaction_delete(struct ref_transaction *transaction,
diff --git a/refs.h b/refs.h
index 0364a3e..01d773c 100644
--- a/refs.h
+++ b/refs.h@@ -249,10 +249,10 @@ int ref_transaction_update(struct ref_transaction *transaction, * null SHA-1. It is verified that the reference does not exist * already. */ -void ref_transaction_create(struct ref_transaction *transaction, - const char *refname, - const unsigned char *new_sha1, - int flags); +int ref_transaction_create(struct ref_transaction *transaction, + const char *refname, + const unsigned char *new_sha1, + int flags); /* * Add a reference deletion to transaction. If have_old is true, then
--
1.9.1.532.gf8485a6