pmlag

commit caf60dee3d5c193e4128ec7393c2e6a03bb0865d
parent 0c3f2d414a7ff26475d4dde531bef52fddba890a
Author: Yersa Nordman <yersa@finwo.nl>
Date:   Tue, 31 Jan 2023 23:40:13 +0100

Implemented basic argument parsing

Diffstat:
M
Makefile
 | 
2
+-
M
package.ini
 | 
1
+
M
src/main.c
 | 
33
+++++++++++++++++++++++++++++++--

3 files changed, 33 insertions(+), 3 deletions(-)
diff --git a/Makefile b/Makefile
@@ -20,7 +20,7 @@ BIN=pmlag
 default: $(BIN) $(BIN).1 README.md
 
 %.o: %.c $(LIBS)
-	$(CC) $(CFLAGS) $(@:.o=.c) -c -o $@
+	$(CC) $(CFLAGS) $(@:.o=.c) -D__NAME=\"$(BIN)\" -c -o $@
 
 $(BIN): $(OBJ)
 	$(CC) $(CFLAGS) $(OBJ) -o $@
diff --git a/package.ini b/package.ini
@@ -1,5 +1,6 @@
 [dependencies]
 benhoyt/inih=https://raw.githubusercontent.com/finwo/dep-repository/main/benhoyt/inih/package-edge.ini
+cofyc/argparse=https://raw.githubusercontent.com/finwo/dep-repository/main/cofyc/argparse/package.ini
 [package]
 deps=lib
 name=finwo/pmlag
diff --git a/src/main.c b/src/main.c
@@ -1,5 +1,34 @@
-#include "benhoyt/inih.h"
+#include "cofyc/argparse.h"
 
-int main() {
+#include <stdio.h>
+
+static const char *const usage[] = {
+  __NAME " [options]",
+  NULL
+};
+
+int main(int argc, const char **argv) {
+  char *config_file="/etc/pmlag/pmlag.ini";
+
+  // Define which options we support
+  struct argparse_option options[] = {
+    OPT_HELP(),
+    OPT_STRING('c', "config", &config_file, "Config file to use", NULL, 0, 0),
+    OPT_END(),
+  };
+
+  // Parse command line arguments
+  struct argparse argparse;
+  argparse_init(&argparse, options, usage, 0);
+  argparse_describe(&argparse, NULL,
+      // TODO: format to terminal width
+      "\n" __NAME " is a tool for bonding network interfaces together when the "
+      "hardware\non the other side of the cable(s) doesn't support it."
+      "\n"
+  );
+  argc = argparse_parse(&argparse, argc, argv);
+
+  printf("name: %s\n", __NAME);
+  printf("conf: %s\n", config_file);
   return 42;
 }