fmt-merge-msg: fix off-by-one bug

[git.git] / http-push.c

diff --git a/http-push.c b/http-push.c
index dc82657830d22d7e66575e9fcf47685e80b21fd4..7814666d8df2e202c547cf05f0768bdc3830873c 100644 (file)
--- a/http-push.c
+++ b/http-push.c
@@ -70,18 +70,18 @@ enum XML_Status {
 /* We allow "recursive" symbolic refs. Only within reason, though */
 #define MAXDEPTH 5
 
-static int pushing = 0;
-static int aborted = 0;
+static int pushing;
+static int aborted;
 static signed char remote_dir_exists[256];
 
 static struct curl_slist *no_pragma_header;
 static struct curl_slist *default_headers;
 
-static int push_verbosely = 0;
-static int push_all = 0;
-static int force_all = 0;
+static int push_verbosely;
+static int push_all;
+static int force_all;
 
-static struct object_list *objects = NULL;
+static struct object_list *objects;
 
 struct repo
 {
@@ -94,7 +94,7 @@ struct repo
        struct remote_lock *locks;
 };
 
-static struct repo *remote = NULL;
+static struct repo *remote;
 
 enum transfer_state {
        NEED_FETCH,
@@ -134,7 +134,7 @@ struct transfer_request
        struct transfer_request *next;
 };
 
-static struct transfer_request *request_queue_head = NULL;
+static struct transfer_request *request_queue_head;
 
 struct xml_ctx
 {
@@ -530,7 +530,7 @@ static void start_put(struct transfer_request *request)
        request->dest = xmalloc(strlen(request->url) + 14);
        sprintf(request->dest, "Destination: %s", request->url);
        posn += 38;
-       *(posn++) = '.';
+       *(posn++) = '_';
        strcpy(posn, request->lock->token);
 
        slot = get_active_slot();
@@ -745,7 +745,7 @@ static void finish_request(struct transfer_request *request)
                        SHA1_Final(request->real_sha1, &request->c);
                        if (request->zret != Z_STREAM_END) {
                                unlink(request->tmpfile);
-                       } else if (memcmp(request->obj->sha1, request->real_sha1, 20)) {
+                       } else if (hashcmp(request->obj->sha1, request->real_sha1)) {
                                unlink(request->tmpfile);
                        } else {
                                request->rename =
@@ -1238,10 +1238,8 @@ xml_start_tag(void *userData, const char *name, const char **atts)
        strcat(ctx->name, ".");
        strcat(ctx->name, c);
 
-       if (ctx->cdata) {
-               free(ctx->cdata);
-               ctx->cdata = NULL;
-       }
+       free(ctx->cdata);
+       ctx->cdata = NULL;
 
        ctx->userFunc(ctx, 0);
 }
@@ -1268,8 +1266,7 @@ static void
 xml_cdata(void *userData, const XML_Char *s, int len)
 {
        struct xml_ctx *ctx = (struct xml_ctx *)userData;
-       if (ctx->cdata)
-               free(ctx->cdata);
+       free(ctx->cdata);
        ctx->cdata = xmalloc(len + 1);
        strlcpy(ctx->cdata, s, len + 1);
 }
@@ -1518,9 +1515,7 @@ static void handle_remote_ls_ctx(struct xml_ctx *ctx, int tag_closed)
                        ls->dentry_flags |= IS_DIR;
                }
        } else if (!strcmp(ctx->name, DAV_PROPFIND_RESP)) {
-               if (ls->dentry_name) {
-                       free(ls->dentry_name);
-               }
+               free(ls->dentry_name);
                ls->dentry_name = NULL;
                ls->dentry_flags = 0;
        }
@@ -1700,7 +1695,7 @@ static int locking_available(void)
        return lock_flags;
 }
 
-struct object_list **add_one_object(struct object *obj, struct object_list **p)
+static struct object_list **add_one_object(struct object *obj, struct object_list **p)
 {
        struct object_list *entry = xmalloc(sizeof(struct object_list));
        entry->item = obj;
@@ -1874,7 +1869,7 @@ static int one_local_ref(const char *refname, const unsigned char *sha1)
        struct ref *ref;
        int len = strlen(refname) + 1;
        ref = xcalloc(1, sizeof(*ref) + len);
-       memcpy(ref->new_sha1, sha1, 20);
+       hashcpy(ref->new_sha1, sha1);
        memcpy(ref->name, refname, len);
        *local_tail = ref;
        local_tail = &ref->next;
@@ -1909,7 +1904,7 @@ static void one_remote_ref(char *refname)
        }
 
        ref = xcalloc(1, sizeof(*ref) + len);
-       memcpy(ref->old_sha1, remote_sha1, 20);
+       hashcpy(ref->old_sha1, remote_sha1);
        memcpy(ref->name, refname, len);
        *remote_tail = ref;
        remote_tail = &ref->next;
@@ -2164,7 +2159,7 @@ static void fetch_symref(const char *path, char **symref, unsigned char *sha1)
        if (*symref != NULL)
                free(*symref);
        *symref = NULL;
-       memset(sha1, 0, 20);
+       hashclr(sha1);
 
        if (buffer.posn == 0)
                return;
@@ -2186,10 +2181,7 @@ static int verify_merge_base(unsigned char *head_sha1, unsigned char *branch_sha
        struct commit *branch = lookup_commit(branch_sha1);
        struct commit_list *merge_bases = get_merge_bases(head, branch, 1);
 
-       if (merge_bases && !merge_bases->next && merge_bases->item == branch)
-               return 1;
-
-       return 0;
+       return (merge_bases && !merge_bases->next && merge_bases->item == branch);
 }
 
 static int delete_remote_branch(char *pattern, int force)
@@ -2419,7 +2411,7 @@ int main(int argc, char **argv)
 
                if (!ref->peer_ref)
                        continue;
-               if (!memcmp(ref->old_sha1, ref->peer_ref->new_sha1, 20)) {
+               if (!hashcmp(ref->old_sha1, ref->peer_ref->new_sha1)) {
                        if (push_verbosely || 1)
                                fprintf(stderr, "'%s': up-to-date\n", ref->name);
                        continue;
@@ -2448,7 +2440,7 @@ int main(int argc, char **argv)
                                continue;
                        }
                }
-               memcpy(ref->new_sha1, ref->peer_ref->new_sha1, 20);
+               hashcpy(ref->new_sha1, ref->peer_ref->new_sha1);
                if (is_zero_sha1(ref->new_sha1)) {
                        error("cannot happen anymore");
                        rc = -3;