gpg-interface: do not scan past the end of buffer

diff --git a/builtin/update-index.c b/builtin/update-index.c
index 0e1dcf0438f7b2ec37b404d3f2acb7bd70650b67..e19da77edcaa024cc2bffc6fa8818c2b1cf0d4b6 100644 (file)
--- a/builtin/update-index.c
+++ b/builtin/update-index.c
@@ -790,12 +790,16 @@ static int refresh(struct refresh_params *o, unsigned int flag)
 static int refresh_callback(const struct option *opt,
                                const char *arg, int unset)
 {
+       BUG_ON_OPT_NEG(unset);
+       BUG_ON_OPT_ARG(arg);
        return refresh(opt->value, 0);
 }
 
 static int really_refresh_callback(const struct option *opt,
                                const char *arg, int unset)
 {
+       BUG_ON_OPT_NEG(unset);
+       BUG_ON_OPT_ARG(arg);
        return refresh(opt->value, REFRESH_REALLY);
 }
 
@@ -803,6 +807,7 @@ static int chmod_callback(const struct option *opt,
                                const char *arg, int unset)
 {
        char *flip = opt->value;
+       BUG_ON_OPT_NEG(unset);
        if ((arg[0] != '-' && arg[0] != '+') || arg[1] != 'x' || arg[2])
                return error("option 'chmod' expects \"+x\" or \"-x\"");
        *flip = arg[0];
@@ -812,6 +817,8 @@ static int chmod_callback(const struct option *opt,
 static int resolve_undo_clear_callback(const struct option *opt,
                                const char *arg, int unset)
 {
+       BUG_ON_OPT_NEG(unset);
+       BUG_ON_OPT_ARG(arg);
        resolve_undo_clear();
        return 0;
 }
@@ -847,6 +854,8 @@ static int cacheinfo_callback(struct parse_opt_ctx_t *ctx,
        unsigned int mode;
        const char *path;
 
+       BUG_ON_OPT_NEG(unset);
+
        if (!parse_new_style_cacheinfo(ctx->argv[1], &mode, &oid, &path)) {
                if (add_cacheinfo(mode, &oid, path, 0))
                        die("git update-index: --cacheinfo cannot add %s", path);
@@ -869,6 +878,8 @@ static int stdin_cacheinfo_callback(struct parse_opt_ctx_t *ctx,
 {
        int *nul_term_line = opt->value;
 
+       BUG_ON_OPT_NEG(unset);
+
        if (ctx->argc != 1)
                return error("option '%s' must be the last argument", opt->long_name);
        allow_add = allow_replace = allow_remove = 1;
@@ -881,6 +892,8 @@ static int stdin_callback(struct parse_opt_ctx_t *ctx,
 {
        int *read_from_stdin = opt->value;
 
+       BUG_ON_OPT_NEG(unset);
+
        if (ctx->argc != 1)
                return error("option '%s' must be the last argument", opt->long_name);
        *read_from_stdin = 1;
@@ -888,11 +901,13 @@ static int stdin_callback(struct parse_opt_ctx_t *ctx,
 }
 
 static int unresolve_callback(struct parse_opt_ctx_t *ctx,
-                               const struct option *opt, int flags)
+                               const struct option *opt, int unset)
 {
        int *has_errors = opt->value;
        const char *prefix = startup_info->prefix;
 
+       BUG_ON_OPT_NEG(unset);
+
        /* consume remaining arguments. */
        *has_errors = do_unresolve(ctx->argc, ctx->argv,
                                prefix, prefix ? strlen(prefix) : 0);
@@ -905,11 +920,13 @@ static int unresolve_callback(struct parse_opt_ctx_t *ctx,
 }
 
 static int reupdate_callback(struct parse_opt_ctx_t *ctx,
-                               const struct option *opt, int flags)
+                               const struct option *opt, int unset)
 {
        int *has_errors = opt->value;
        const char *prefix = startup_info->prefix;
 
+       BUG_ON_OPT_NEG(unset);
+
        /* consume remaining arguments. */
        setup_work_tree();
        *has_errors = do_reupdate(ctx->argc, ctx->argv,
@@ -1069,6 +1086,8 @@ int cmd_update_index(int argc, const char **argv, const char *prefix)
                case PARSE_OPT_HELP:
                case PARSE_OPT_ERROR:
                        exit(129);
+               case PARSE_OPT_COMPLETE:
+                       exit(0);
                case PARSE_OPT_NON_OPTION:
                case PARSE_OPT_DONE:
                {