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-rw-r--r--src/main.c18
1 files changed, 15 insertions, 3 deletions
diff --git a/src/main.c b/src/main.c
index e67b3e0..a5535c7 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,6 +1,5 @@
/* This file is part of GNU cflow
- Copyright (C) 1997, 2005, 2007, 2009-2011, 2014-2017 Sergey
- Poznyakoff
+ Copyright (C) 1997-2019 Sergey Poznyakoff
GNU cflow is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
@@ -44,6 +43,7 @@ enum option_code {
OPT_NO_TREE,
OPT_NO_BRIEF,
OPT_NO_EMACS,
+ OPT_NO_MAIN,
OPT_NO_VERBOSE,
OPT_NO_NUMBER,
OPT_NO_PRINT_LEVEL,
@@ -105,6 +105,8 @@ static struct argp_option options[] = {
N_("Register SYMBOL with given TYPE, or define an alias (if := is used). Valid types are: keyword (or kw), modifier, qualifier, identifier, type, wrapper. Any unambiguous abbreviation of the above is also accepted"), GROUP_ID+1 },
{ "main", 'm', N_("NAME"), 0,
N_("Assume main function to be called NAME"), GROUP_ID+1 },
+ { "no-main", OPT_NO_MAIN, NULL, 0,
+ N_("There's no main function; print graphs for all functions in the program") },
{ "define", 'D', N_("NAME[=DEFN]"), 0,
N_("Predefine NAME as a macro"), GROUP_ID+1 },
{ "undefine", 'U', N_("NAME"), 0,
@@ -121,6 +123,9 @@ static struct argp_option options[] = {
#define GROUP_ID 20
{ NULL, 0, NULL, 0,
N_("Output control:"), GROUP_ID },
+ { "all", 'A', NULL, 0,
+ N_("Show all functions, not only those reachable from main"),
+ GROUP_ID+1 },
{ "number", 'n', NULL, 0,
N_("* Print line numbers"), GROUP_ID+1 },
{ "no-number", OPT_NO_NUMBER, NULL, OPTION_HIDDEN,
@@ -216,7 +221,7 @@ char *level_begin = "";
int preprocess_option = 0; /* Do they want to preprocess sources? */
char *start_name = "main"; /* Name of start symbol */
-
+int all_functions;
struct linked_list *arglist; /* List of command line arguments */
/* Given the option_type array and (possibly abbreviated) option argument
@@ -512,6 +517,9 @@ parse_opt (int key, char *arg, struct argp_state *state)
int num;
switch (key) {
+ case 'A':
+ all_functions = 1;
+ break;
case 'a':
strict_ansi = 1;
break;
@@ -616,6 +624,9 @@ parse_opt (int key, char *arg, struct argp_state *state)
case 'm':
start_name = strdup(arg);
break;
+ case OPT_NO_MAIN:
+ start_name = NULL;
+ break;
case 'n':
print_line_numbers = 1;
break;
@@ -721,6 +732,7 @@ void
xalloc_die(void)
{
error(EX_FATAL, ENOMEM, _("Exiting"));
+ abort();
}
void

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