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Merge pull request #348 from schu/sig-new

Browse Source 
signature.c: fix off-by-one error
This commit is contained in:
Vicent Martí 2011-08-03 18:54:25 -07:00
commit 42c5b64aa2
5 changed files with 70 additions and 36 deletions
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10
include/git2/signature.h
View File

@ -41,23 +41,25 @@ GIT_BEGIN_DECL
* Create a new action signature. The signature must be freed
* manually or using git_signature_free
*
* @param sig_out new signature, in case of error NULL
* @param name name of the person
* @param email email of the person
* @param time time when the action happened
* @param offset timezone offset in minutes for the time
* @return the new sig, NULL on out of memory
* @return 0 on success; error code otherwise
*/
GIT_EXTERN(git_signature *) git_signature_new(const char *name, const char *email, git_time_t time, int offset);
GIT_EXTERN(int) git_signature_new(git_signature **sig_out, const char *name, const char *email, git_time_t time, int offset);
/**
* Create a new action signature with a timestamp of 'now'. The
* signature must be freed manually or using git_signature_free
*
* @param sig_out new signature, in case of error NULL
* @param name name of the person
* @param email email of the person
* @return the new sig, NULL on out of memory
* @return 0 on success; error code otherwise
*/
GIT_EXTERN(git_signature *) git_signature_now(const char *name, const char *email);
GIT_EXTERN(int) git_signature_now(git_signature **sig_out, const char *name, const char *email);
/**

34
src/signature.c
View File

@ -62,7 +62,7 @@ static int process_trimming(const char *input, char **storage, const char *input
left = skip_leading_spaces(input, input_end);
right = skip_trailing_spaces(input, input_end - 1);
if (right <= left) {
if (right < left) {
if (fail_when_empty)
return git__throw(GIT_EINVALIDARGS, "Failed to trim. Input is either empty or only contains spaces");
else
@ -81,15 +81,19 @@ static int process_trimming(const char *input, char **storage, const char *input
return GIT_SUCCESS;
}
git_signature *git_signature_new(const char *name, const char *email, git_time_t time, int offset)
int git_signature_new(git_signature **sig_out, const char *name, const char *email, git_time_t time, int offset)
{
int error;
git_signature *p = NULL;
assert(name && email);
if ((p = git__malloc(sizeof(git_signature))) == NULL)
*sig_out = NULL;
if ((p = git__malloc(sizeof(git_signature))) == NULL) {
error = GIT_ENOMEM;
goto cleanup;
}
memset(p, 0x0, sizeof(git_signature));
@ -108,28 +112,37 @@ git_signature *git_signature_new(const char *name, const char *email, git_time_t
p->when.time = time;
p->when.offset = offset;
return p;
*sig_out = p;
return error;
cleanup:
git_signature_free(p);
return NULL;
return error;
}
git_signature *git_signature_dup(const git_signature *sig)
{
return git_signature_new(sig->name, sig->email, sig->when.time, sig->when.offset);
git_signature *new;
if (git_signature_new(&new, sig->name, sig->email, sig->when.time, sig->when.offset) < GIT_SUCCESS)
return NULL;
return new;
}
git_signature *git_signature_now(const char *name, const char *email)
int git_signature_now(git_signature **sig_out, const char *name, const char *email)
{
int error;
time_t now;
time_t offset;
struct tm *utc_tm, *local_tm;
git_signature *sig;
#ifndef GIT_WIN32
struct tm _utc, _local;
#endif
*sig_out = NULL;
time(&now);
/**
@ -151,7 +164,12 @@ git_signature *git_signature_now(const char *name, const char *email)
if (local_tm->tm_isdst)
offset += 60;
return git_signature_new(name, email, now, (int)offset);
if ((error = git_signature_new(&sig, name, email, now, (int)offset)) < GIT_SUCCESS)
return error;
*sig_out = sig;
return error;
}
static int parse_timezone_offset(const char *buffer, int *offset_out)

49
tests/t04-commit.c
View File

@ -450,10 +450,8 @@ static int try_build_signature(const char *name, const char *email, git_time_t t
git_signature *sign;
int error = GIT_SUCCESS;
sign = git_signature_new(name, email, time, offset);
if (sign == NULL)
error = GIT_ERROR;
if ((error = git_signature_new(&sign, name, email, time, offset)) < GIT_SUCCESS)
return error;
git_signature_free((git_signature *)sign);
@ -462,8 +460,7 @@ static int try_build_signature(const char *name, const char *email, git_time_t t
BEGIN_TEST(signature0, "creating a signature trims leading and trailing spaces")
git_signature *sign;
sign = git_signature_new(" nulltoken ", " emeric.fermas@gmail.com ", 1234567890, 60);
must_be_true(sign != NULL);
must_pass(git_signature_new(&sign, " nulltoken ", " emeric.fermas@gmail.com ", 1234567890, 60));
must_pass(strcmp(sign->name, "nulltoken"));
must_pass(strcmp(sign->email, "emeric.fermas@gmail.com"));
git_signature_free((git_signature *)sign);
@ -478,6 +475,29 @@ BEGIN_TEST(signature1, "can not create a signature with empty name or email")
must_fail(try_build_signature("nulltoken", " ", 1234567890, 60));
END_TEST
BEGIN_TEST(signature2, "creating a one character signature")
git_signature *sign;
must_pass(git_signature_new(&sign, "x", "foo@bar.baz", 1234567890, 60));
must_pass(strcmp(sign->name, "x"));
must_pass(strcmp(sign->email, "foo@bar.baz"));
git_signature_free((git_signature *)sign);
END_TEST
BEGIN_TEST(signature3, "creating a two character signature")
git_signature *sign;
must_pass(git_signature_new(&sign, "xx", "x@y.z", 1234567890, 60));
must_pass(strcmp(sign->name, "x"));
must_pass(strcmp(sign->email, "foo@bar.baz"));
git_signature_free((git_signature *)sign);
END_TEST
BEGIN_TEST(signature4, "creating a zero character signature")
git_signature *sign;
must_fail(git_signature_new(&sign, "", "x@y.z", 1234567890, 60));
must_be_true(sign == NULL);
END_TEST
/* External declaration for testing the buffer parsing method */
int commit_parse_buffer(git_commit *commit, void *data, size_t len, unsigned int parse_flags);
@ -629,11 +649,8 @@ BEGIN_TEST(write0, "write a new commit object from memory to disk")
must_pass(git_commit_lookup(&parent, repo, &parent_id));
/* create signatures */
committer = git_signature_new(COMMITTER_NAME, COMMITTER_EMAIL, 123456789, 60);
must_be_true(committer != NULL);
author = git_signature_new(COMMITTER_NAME, COMMITTER_EMAIL, 987654321, 90);
must_be_true(author != NULL);
must_pass(git_signature_new(&committer, COMMITTER_NAME, COMMITTER_EMAIL, 123456789, 60));
must_pass(git_signature_new(&author, COMMITTER_NAME, COMMITTER_EMAIL, 987654321, 90));
must_pass(git_commit_create_v(
&commit_id, /* out id */
@ -696,11 +713,8 @@ BEGIN_TEST(root0, "create a root commit")
must_pass(git_tree_lookup(&tree, repo, &tree_id));
/* create signatures */
committer = git_signature_new(COMMITTER_NAME, COMMITTER_EMAIL, 123456789, 60);
must_be_true(committer != NULL);
author = git_signature_new(COMMITTER_NAME, COMMITTER_EMAIL, 987654321, 90);
must_be_true(author != NULL);
must_pass(git_signature_new(&committer, COMMITTER_NAME, COMMITTER_EMAIL, 123456789, 60));
must_pass(git_signature_new(&author, COMMITTER_NAME, COMMITTER_EMAIL, 987654321, 90));
/* First we need to update HEAD so it points to our non-existant branch */
must_pass(git_reference_lookup(&head, repo, "HEAD"));
@ -758,4 +772,7 @@ BEGIN_SUITE(commit)
ADD_TEST(signature0);
ADD_TEST(signature1);
ADD_TEST(signature2);
ADD_TEST(signature3);
ADD_TEST(signature4);
END_SUITE

9
tests/t08-tag.c
View File

@ -126,8 +126,7 @@ BEGIN_TEST(write0, "write a tag to the repository and read it again")
must_pass(git_object_lookup(&target, repo, &target_id, GIT_OBJ_COMMIT));
/* create signature */
tagger = git_signature_new(TAGGER_NAME, TAGGER_EMAIL, 123456789, 60);
must_be_true(tagger != NULL);
must_pass(git_signature_new(&tagger, TAGGER_NAME, TAGGER_EMAIL, 123456789, 60));
must_pass(git_tag_create(
&tag_id, /* out id */
@ -177,8 +176,7 @@ BEGIN_TEST(write2, "Attempt to write a tag bearing the same name than an already
must_pass(git_object_lookup(&target, repo, &target_id, GIT_OBJ_COMMIT));
/* create signature */
tagger = git_signature_new(TAGGER_NAME, TAGGER_EMAIL, 123456789, 60);
must_be_true(tagger != NULL);
must_pass(git_signature_new(&tagger, TAGGER_NAME, TAGGER_EMAIL, 123456789, 60));
must_fail(git_tag_create(
&tag_id, /* out id */
@ -212,8 +210,7 @@ BEGIN_TEST(write3, "Replace an already existing tag")
git_oid_cpy(&old_tag_id, git_reference_oid(ref_tag));
/* create signature */
tagger = git_signature_new(TAGGER_NAME, TAGGER_EMAIL, 123456789, 60);
must_be_true(tagger != NULL);
must_pass(git_signature_new(&tagger, TAGGER_NAME, TAGGER_EMAIL, 123456789, 60));
must_pass(git_tag_create(
&tag_id, /* out id */

4
tests/t10-refs.c
View File

@ -1034,7 +1034,7 @@ BEGIN_TEST(reflog0, "write a reflog for a given reference and ensure it can be r
must_pass(git_reference_create_oid(&ref, repo, new_ref, &oid, 0));
must_pass(git_reference_lookup(&ref, repo, new_ref));
committer = git_signature_now("foo", "foo@bar");
must_pass(git_signature_now(&committer, "foo", "foo@bar"));
must_pass(git_reflog_write(ref, NULL, committer, NULL));
must_fail(git_reflog_write(ref, NULL, committer, "no\nnewline"));
@ -1082,7 +1082,7 @@ BEGIN_TEST(reflog1, "avoid writing an obviously wrong reflog")
must_pass(git_reference_create_oid(&ref, repo, new_ref, &oid, 0));
must_pass(git_reference_lookup(&ref, repo, new_ref));
committer = git_signature_now("foo", "foo@bar");
must_pass(git_signature_now(&committer, "foo", "foo@bar"));
/* Write the reflog for the new branch */
must_pass(git_reflog_write(ref, NULL, committer, NULL));