Merge branch 'jm/maint-misc-fix' into maint

* jm/maint-misc-fix:
read_gitfile_gently: use ssize_t to hold read result
remove tests of always-false condition
rerere.c: diagnose a corrupt MERGE_RR when hitting EOF between TAB and '\0'

diff --git a/fsck.c b/fsck.c
index 6f266c1ea4b8df503c211170741fa5b490a6a02a..60bd4bbf6a2206e2b1991093ea5d84be7f338f73 100644 (file)
--- a/fsck.c
+++ b/fsck.c
@@ -349,7 +349,7 @@ int fsck_error_function(struct object *obj, int type, const char *fmt, ...)
        va_list ap;
        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);
        strbuf_vaddf(&sb, fmt, ap);

diff --git a/rerere.c b/rerere.c
index 22dfc843da1528ffd0466d496c50c56702e55a24..6ec452f7bc689c02ff663ab2cd1f6f1a068fe08c 100644 (file)
--- a/rerere.c
+++ b/rerere.c
@@ -47,8 +47,14 @@ static void read_rr(struct string_list *rr)
                name = xstrdup(buf);
                if (fgetc(in) != '\t')
                        die("corrupt MERGE_RR");
-               for (i = 0; i < sizeof(buf) && (buf[i] = fgetc(in)); i++)
-                       ; /* do nothing */
+               for (i = 0; i < sizeof(buf); i++) {
+                       int c = fgetc(in);
+                       if (c < 0)
+                               die("corrupt MERGE_RR");
+                       buf[i] = c;
+                       if (c == 0)
+                                break;
+               }
                if (i == sizeof(buf))
                        die("filename too long");
                string_list_insert(rr, buf)->util = name;

diff --git a/setup.c b/setup.c
index 03cd84f2fcbf9cdbc25116308a9c2c9407af8e71..e7a37863ccdfe8c38e079f4d971f76a523bfd83b 100644 (file)
--- a/setup.c
+++ b/setup.c
@@ -275,7 +275,7 @@ const char *read_gitfile_gently(const char *path)
        const char *slash;
        struct stat st;
        int fd;
-       size_t len;
+       ssize_t len;
 
        if (stat(path, &st))
                return NULL;

diff --git a/transport.c b/transport.c
index a02f79aae3d91ea4109d21a9ed9ca2d962125375..69dae711037ea7a54d86910932d74ac2b24b57fd 100644 (file)
--- a/transport.c
+++ b/transport.c
@@ -156,7 +156,7 @@ static void set_upstreams(struct transport *transport, struct ref *refs,
                        continue;
                if (!ref->peer_ref)
                        continue;
-               if (!ref->new_sha1 || is_null_sha1(ref->new_sha1))
+               if (is_null_sha1(ref->new_sha1))
                        continue;
 
                /* Follow symbolic refs (mainly for HEAD). */