Allow config file to be specified as the first command line argument. Allow cmd line options be specified together with the config file.

main.c

@@ -156,13 +156,14 @@ static void set_option(char **options, const char *name, const char *value) {
 static void process_command_line_arguments(char *argv[], char **options) {
   char line[512], opt[512], val[512], *p;
   FILE *fp = NULL;
-  size_t i, line_no = 0;
+  size_t i, cmd_line_opts_start = 1, line_no = 0;
 
   options[0] = NULL;
 
   // Should we use a config file ?
-  if (argv[1] != NULL && argv[2] == NULL) {
+  if (argv[1] != NULL && argv[1][0] != '-') {
     snprintf(config_file, sizeof(config_file), "%s", argv[1]);
+    cmd_line_opts_start = 2;
   } else if ((p = strrchr(argv[0], DIRSEP)) == NULL) {
     // No command line flags specified. Look where binary lives
     snprintf(config_file, sizeof(config_file), "%s", CONFIG_FILE);
@@ -173,8 +174,8 @@ static void process_command_line_arguments(char *argv[], char **options) {
 
   fp = fopen(config_file, "r");
 
-  // If config file was set in command line and open failed, exit
+  // If config file was set in command line and open failed, die
-  if (argv[1] != NULL && argv[2] == NULL && fp == NULL) {
+  if (cmd_line_opts_start == 2 && fp == NULL) {
     die("Cannot open config file %s: %s", config_file, strerror(errno));
   }
 
@@ -201,7 +202,7 @@ static void process_command_line_arguments(char *argv[], char **options) {
   }
 
   // Now handle command line flags. They override config file settings.
-  for (i = 1; argv[i] != NULL; i += 2) {
+  for (i = cmd_line_opts_start; argv[i] != NULL; i += 2) {
     if (argv[i][0] != '-' || argv[i + 1] == NULL) {
       show_usage_and_exit();
     }
@@ -218,8 +219,8 @@ static void start_mongoose(int argc, char *argv[]) {
   char *options[MAX_OPTIONS];
   int i;
 
-  /* Edit passwords file if -A option is specified */
+  // Edit passwords file if -A option is specified
-  if (argc > 1 && argv[1][0] == '-' && argv[1][1] == 'A') {
+  if (argc > 1 && !strcmp(argv[1], "-A")) {
     if (argc != 6) {
       show_usage_and_exit();
     }
@@ -227,7 +228,7 @@ static void start_mongoose(int argc, char *argv[]) {
          EXIT_SUCCESS : EXIT_FAILURE);
   }
 
-  /* Show usage if -h or --help options are specified */
+  // Show usage if -h or --help options are specified
   if (argc == 2 && (!strcmp(argv[1], "-h") || !strcmp(argv[1], "--help"))) {
     show_usage_and_exit();
   }

mongoose.1

@@ -9,7 +9,6 @@
 .Sh SYNOPSIS
 .Nm
 .Op Ar config_file
-.Nm
 .Op Ar OPTIONS
 .Nm
 .Fl A Ar htpasswd_file domain_name user_name password

test/test.pl

@@ -150,18 +150,17 @@ if (scalar(@ARGV) > 0 and $ARGV[0] eq 'embedded') {
   exit 0;
 }
 
-# Make sure we load config file if no options are given
+# Make sure we load config file if no options are given.
-write_file($config, "listening_ports 12345\n");
+# Command line options override config files settings
-spawn("$exe -a access.log");
+write_file($config, "access_log_file access.log\nlistening_ports 12345\n");
-my $saved_port = $port;
+spawn("$exe -p $port");
-$port = 12345;
 o("GET /test/hello.txt HTTP/1.0\n\n", 'HTTP/1.1 200 OK', 'Loading config file');
-$port = $saved_port;
 unlink $config;
 kill_spawned_child();
 
 # Spawn the server on port $port
-my $cmd = "$exe -listening_ports $port -access_log_file access.log ".
+write_file($config, "");
+my $cmd = "$exe $config -listening_ports $port -access_log_file access.log ".
 "-error_log_file debug.log ".
 "-cgi_environment CGI_FOO=foo,CGI_BAR=bar,CGI_BAZ=baz " .
 "-extra_mime_types .bar=foo/bar,.tar.gz=blah,.baz=foo " .