2 files changed, 122 insertions, 1 deletions

diff --git a/src/misc/config.c b/src/misc/config.c
index 78b44ca..8beeae0 100644
--- a/src/misc/config.c
+++ b/src/misc/config.c
@@ -3,6 +3,95 @@
  * Copyright (C) 2017-2018 J08nY
  */
 #include "config.h"
+#include <stdio.h>
 
 config_t cfg_s;
-config_t *cfg = &cfg_s;
\ No newline at end of file
+config_t *cfg = &cfg_s;
+
+config_names_t cfg_used_s = {0};
+config_names_t *cfg_used = &cfg_used_s;
+
+config_names_t cfg_set_s = {0};
+config_names_t *cfg_set = &cfg_set_s;
+
+void config_report_unused() {
+	if (cfg_set->field && !cfg_used->field) {
+		fprintf(
+		    stderr,
+		    "Warning: Ignored command-line argument \"field\" (--fp/--f2m).\n");
+	}
+	if (cfg_set->method && !cfg_used->method) {
+		fprintf(stderr, "Warning: Ignored command-line argument method.\n");
+	}
+	if (cfg_set->count && !cfg_used->count) {
+		fprintf(stderr,
+		        "Warning: Ignored command-line argument count (-c/--count).\n");
+	}
+	if (cfg_set->random && !cfg_used->random) {
+		fprintf(
+		    stderr,
+		    "Warning: Ignored command-line argument random (-r/--random).\n");
+	}
+	if (cfg_set->prime && !cfg_used->prime) {
+		fprintf(stderr,
+		        "Warning: Ignored command-line argument prime (-p/--prime).\n");
+	}
+	if (cfg_set->cm_order && !cfg_used->cm_order) {
+		fprintf(
+		    stderr,
+		    "Warning: Ignored command-line argument cm_order (-n/--order).\n");
+	}
+	if (cfg_set->koblitz && !cfg_used->koblitz) {
+		fprintf(
+		    stderr,
+		    "Warning: Ignored command-line argument koblitz (-K/--koblitz).\n");
+	}
+	if (cfg_set->koblitz_value && !cfg_used->koblitz_value) {
+		fprintf(stderr,
+		        "Warning: Ignored command-line argument koblitz_value "
+		        "(-K/--koblitz).\n");
+	}
+	if (cfg_set->smooth && !cfg_used->smooth) {
+		fprintf(
+		    stderr,
+		    "Warning: Ignored command-line argument smooth (-B/--smooth).\n");
+	}
+	if (cfg_set->cofactor && !cfg_used->cofactor) {
+		fprintf(stderr,
+		        "Warning: Ignored command-line argument cofactor "
+		        "(-k/--cofactor).\n");
+	}
+	if (cfg_set->invalid_primes && !cfg_used->invalid_primes) {
+		fprintf(stderr,
+		        "Warning: Ignored command-line argument invalid_primes "
+		        "(-i/--invalid).\n");
+	}
+	if (cfg_set->seed_algo && !cfg_used->seed_algo) {
+		fprintf(
+		    stderr,
+		    "Warning: Ignored command-line argument seed_algo (-s/--ansi).\n");
+	}
+	if (cfg_set->seed && !cfg_used->seed) {
+		fprintf(stderr,
+		        "Warning: Ignored command-line argument seed (-s/--ansi).\n");
+	}
+	if (cfg_set->unique && !cfg_used->unique) {
+		fprintf(
+		    stderr,
+		    "Warning: Ignored command-line argument unique (-u/--unique).\n");
+	}
+	if (cfg_set->hex_check && !cfg_used->hex_check) {
+		fprintf(stderr,
+		        "Warning: Ignored command-line argument hex_check "
+		        "(--hex-check).\n");
+	}
+	if (cfg_set->points && !cfg_used->points) {
+		fprintf(stderr,
+		        "Warning: Ignored command-line argument points (--points).\n");
+	}
+	if (cfg_set->metadata && !cfg_used->metadata) {
+		fprintf(
+		    stderr,
+		    "Warning: Ignored command-line argument metadata (--metadata).\n");
+	}
+}
\ No newline at end of file
diff --git a/src/misc/config.h b/src/misc/config.h
index dcdca58..0c0a5ca 100644
--- a/src/misc/config.h
+++ b/src/misc/config.h
@@ -142,4 +142,36 @@ typedef struct {
 extern config_t cfg_s;
 extern config_t *cfg;
 
+typedef struct {
+	bool field;
+	bool method;
+	bool count;
+	bool random;
+	bool prime;
+	bool cm_order;
+	bool koblitz;
+	bool koblitz_value;
+	bool smooth;
+	bool cofactor;
+	bool invalid_primes;
+	bool seed_algo;
+	bool seed;
+	bool unique;
+	bool hex_check;
+	bool points;
+	bool metadata;
+} config_names_t;
+
+extern config_names_t cfg_used_s;
+extern config_names_t *cfg_used;
+
+extern config_names_t cfg_set_s;
+extern config_names_t *cfg_set;
+
+#define GET(x) cfg_used->x = true
+#define GET_BOOL(x) ((cfg_used->x = true) && cfg->x)
+#define SET(x) cfg_set->x = true
+
+void config_report_unused();
+
 #endif  // ECGEN_MISC_CONFIG_H