git-p4: Unset P4DIFF environment variable when using 'p4 -du diff'

diff --git a/server-info.c b/server-info.c
index 0d1312ca56d52daa3fc692984d4d3abaf3425791..c1c073b2f05a48772a45602cdc711eef6e211695 100644 (file)
--- a/server-info.c
+++ b/server-info.c
@@ -35,7 +35,7 @@ static int update_info_refs(int force)
        safe_create_leading_directories(path0);
        info_ref_fp = fopen(path1, "w");
        if (!info_ref_fp)
-               return error("unable to update %s", path0);
+               return error("unable to update %s", path1);
        for_each_ref(add_info_ref, NULL);
        fclose(info_ref_fp);
        adjust_shared_perm(path1);
@@ -101,7 +101,7 @@ static int read_pack_info_file(const char *infofile)
 
        while (fgets(line, sizeof(line), fp)) {
                int len = strlen(line);
-               if (line[len-1] == '\n')
+               if (len && line[len-1] == '\n')
                        line[--len] = 0;
 
                if (!len)