return retval;
}
+static int fsck_ident(char **ident, struct object *obj, fsck_error error_func)
+{
+ if (**ident == '<')
+ return error_func(obj, FSCK_ERROR, "invalid author/committer line - missing space before email");
+ *ident += strcspn(*ident, "<>\n");
+ if (**ident == '>')
+ return error_func(obj, FSCK_ERROR, "invalid author/committer line - bad name");
+ if (**ident != '<')
+ return error_func(obj, FSCK_ERROR, "invalid author/committer line - missing email");
+ if ((*ident)[-1] != ' ')
+ return error_func(obj, FSCK_ERROR, "invalid author/committer line - missing space before email");
+ (*ident)++;
+ *ident += strcspn(*ident, "<>\n");
+ if (**ident != '>')
+ return error_func(obj, FSCK_ERROR, "invalid author/committer line - bad email");
+ (*ident)++;
+ if (**ident != ' ')
+ return error_func(obj, FSCK_ERROR, "invalid author/committer line - missing space before date");
+ (*ident)++;
+ if (**ident == '0' && (*ident)[1] != ' ')
+ return error_func(obj, FSCK_ERROR, "invalid author/committer line - zero-padded date");
+ *ident += strspn(*ident, "0123456789");
+ if (**ident != ' ')
+ return error_func(obj, FSCK_ERROR, "invalid author/committer line - bad date");
+ (*ident)++;
+ if ((**ident != '+' && **ident != '-') ||
+ !isdigit((*ident)[1]) ||
+ !isdigit((*ident)[2]) ||
+ !isdigit((*ident)[3]) ||
+ !isdigit((*ident)[4]) ||
+ ((*ident)[5] != '\n'))
+ return error_func(obj, FSCK_ERROR, "invalid author/committer line - bad time zone");
+ (*ident) += 6;
+ return 0;
+}
+
static int fsck_commit(struct commit *commit, fsck_error error_func)
{
char *buffer = commit->buffer;
unsigned char tree_sha1[20], sha1[20];
struct commit_graft *graft;
int parents = 0;
+ int err;
- if (!commit->date)
+ if (commit->date == ULONG_MAX)
return error_func(&commit->object, FSCK_ERROR, "invalid author/committer line");
if (memcmp(buffer, "tree ", 5))
}
if (memcmp(buffer, "author ", 7))
return error_func(&commit->object, FSCK_ERROR, "invalid format - expected 'author' line");
+ buffer += 7;
+ err = fsck_ident(&buffer, &commit->object, error_func);
+ if (err)
+ return err;
+ if (memcmp(buffer, "committer ", strlen("committer ")))
+ return error_func(&commit->object, FSCK_ERROR, "invalid format - expected 'committer' line");
+ buffer += strlen("committer ");
+ err = fsck_ident(&buffer, &commit->object, error_func);
+ if (err)
+ return err;
if (!commit->tree)
return error_func(&commit->object, FSCK_ERROR, "could not load commit's tree %s", sha1_to_hex(tree_sha1));
int fsck_error_function(struct object *obj, int type, const char *fmt, ...)
{
va_list ap;
- int len;
struct strbuf sb = STRBUF_INIT;
- strbuf_addf(&sb, "object %s:", obj->sha1?sha1_to_hex(obj->sha1):"(null)");
+ strbuf_addf(&sb, "object %s:", sha1_to_hex(obj->sha1));
va_start(ap, fmt);
- len = vsnprintf(sb.buf + sb.len, strbuf_avail(&sb), fmt, ap);
+ strbuf_vaddf(&sb, fmt, ap);
va_end(ap);
- if (len < 0)
- len = 0;
- if (len >= strbuf_avail(&sb)) {
- strbuf_grow(&sb, len + 2);
- va_start(ap, fmt);
- len = vsnprintf(sb.buf + sb.len, strbuf_avail(&sb), fmt, ap);
- va_end(ap);
- if (len >= strbuf_avail(&sb))
- die("this should not happen, your snprintf is broken");
- }
-
error("%s", sb.buf);
strbuf_release(&sb);
return 1;