Add flag to allow continuation of arg parsing after encountering an u…

…nknown arg.
cofyc · Dec 13, 2021 · 977def8 · 977def8
1 parent a0c76df
commit 977def8
Show file tree

Hide file tree

Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/argparse.c b/argparse.c
@@ -274,7 +274,9 @@ argparse_parse(struct argparse *self, int argc, const char **argv)
 unknown:
         fprintf(stderr, "error: unknown option `%s`\n", self->argv[0]);
         argparse_usage(self);
-        exit(EXIT_FAILURE);
+        if (!self->flags & ARGPARSE_IGNORE_UNKNOWN_ARGS) {
+            exit(EXIT_FAILURE);
+        }
     }
 
 end:

diff --git a/argparse.h b/argparse.h
@@ -22,7 +22,8 @@ typedef int argparse_callback (struct argparse *self,
                                const struct argparse_option *option);
 
 enum argparse_flag {
-    ARGPARSE_STOP_AT_NON_OPTION = 1,
+    ARGPARSE_STOP_AT_NON_OPTION  = 1 << 0,
+    ARGPARSE_IGNORE_UNKNOWN_ARGS = 1 << 1,
 };
 
 enum argparse_option_type {