Add --version flag for executables and more documentation.

2 files changed, 11 insertions, 7 deletions

diff --git a/src/stdlib/stdlib.c b/src/stdlib/stdlib.c
index 6a855c66..6dfc735b 100644
--- a/src/stdlib/stdlib.c
+++ b/src/stdlib/stdlib.c
@@ -232,7 +232,7 @@ static Table_t parse_table(const TypeInfo_t *table, int n, char *args[])
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wstack-protector"
 #endif
-public void _tomo_parse_args(int argc, char *argv[], Text_t usage, Text_t help, int spec_len, cli_arg_t spec[spec_len])
+public void _tomo_parse_args(int argc, char *argv[], Text_t usage, Text_t help, const char *version, int spec_len, cli_arg_t spec[spec_len])
 {
     bool populated_args[spec_len];
     bool used_args[argc];
@@ -310,7 +310,11 @@ public void _tomo_parse_args(int argc, char *argv[], Text_t usage, Text_t help,
             }
 
             if (streq(argv[i], "--help")) {
-                say(help, true);
+                print(help);
+                exit(0);
+            }
+            if (streq(argv[i], "--version")) {
+                print(version);
                 exit(0);
             }
             print_err("Unrecognized argument: ", argv[i], "\n", usage);
@@ -361,7 +365,7 @@ public void _tomo_parse_args(int argc, char *argv[], Text_t usage, Text_t help,
                 }
 
                 if (*f == 'h') {
-                    say(help, true);
+                    print(help);
                     exit(0);
                 }
                 print_err("Unrecognized flag: ", flag, "\n", usage);
@@ -554,7 +558,7 @@ public void say(Text_t text, bool newline)
 public _Noreturn void tomo_exit(Text_t text, int32_t status)
 {
     if (text.length > 0)
-        say(text, true);
+        print(text);
     _exit(status);
 }
 
diff --git a/src/stdlib/stdlib.h b/src/stdlib/stdlib.h
index 04c504fe..2dd3c5b7 100644
--- a/src/stdlib/stdlib.h
+++ b/src/stdlib/stdlib.h
@@ -25,9 +25,9 @@ typedef struct {
 } cli_arg_t;
 
 void tomo_init(void);
-void _tomo_parse_args(int argc, char *argv[], Text_t usage, Text_t help, int spec_len, cli_arg_t spec[spec_len]);
-#define tomo_parse_args(argc, argv, usage, help, ...) \
-    _tomo_parse_args(argc, argv, usage, help, sizeof((cli_arg_t[]){__VA_ARGS__})/sizeof(cli_arg_t), (cli_arg_t[]){__VA_ARGS__})
+void _tomo_parse_args(int argc, char *argv[], Text_t usage, Text_t help, const char *version, int spec_len, cli_arg_t spec[spec_len]);
+#define tomo_parse_args(argc, argv, usage, help, version, ...) \
+    _tomo_parse_args(argc, argv, usage, help, version, sizeof((cli_arg_t[]){__VA_ARGS__})/sizeof(cli_arg_t), (cli_arg_t[]){__VA_ARGS__})
 
 #define fail(...) ({ \
     fflush(stdout); \