introduced short option names

main.c

@@ -91,29 +91,22 @@ static int mg_edit_passwords(const char *fname, const char *domain,
 
 static void show_usage_and_exit(void) {
   const char **names;
-  int i, len;
+  int i;
 
   fprintf(stderr, "Mongoose version %s (c) Sergey Lyubka\n", mg_version());
   fprintf(stderr, "Usage:\n");
   fprintf(stderr, "  mongoose -A <htpasswd_file> <realm> <user> <passwd>\n");
   fprintf(stderr, "  mongoose <config_file>\n");
   fprintf(stderr, "  mongoose [-option value ...]\n");
-  fprintf(stderr, "OPTIONS:\n  ");
+  fprintf(stderr, "OPTIONS:\n");
 
   names = mg_get_valid_option_names();
-  len = 2;
-  for (i = 0; names[i] != NULL; i++) {
-    len += strlen(names[i]) + 1;
-    if (len >= 80) {
-      len = strlen(names[i]) + 3;
-      fprintf(stderr, "%s", "\n  ");
-    }
-    fprintf(stderr, "%s%c", names[i], names[i + 1] == NULL ? '\n' : ',');
+  for (i = 0; names[i] != NULL; i += 2) {
+    fprintf(stderr, "  -%s %s\n", names[i], names[i + 1]);
   }
   fprintf(stderr, "See  http://code.google.com/p/mongoose/wiki/MongooseManual"
           " for more details.\n");
-  fprintf(stderr, "Example:\n  mongoose -listening_ports 80,443s "
-          "-enable_directory_listing no\n");
+  fprintf(stderr, "Example:\n  mongoose -s cert.pem -p 80,443s -d no\n");
 
   exit(EXIT_FAILURE);
 }

mongoose.c

@@ -352,17 +352,19 @@ enum {
   CGI_INTERPRETER, CGI_ENVIRONMENT, SSI_EXTENSIONS, AUTHENTICATION_DOMAIN,
   URI_PROTECTION, GLOBAL_PASSWORDS_FILE, PUT_DELETE_PASSWORDS_FILE,
   ACCESS_LOG_FILE, ERROR_LOG_FILE, ACCESS_CONTROL_LIST, RUN_AS_USER,
-  EXTRA_MIME_TYPES, ENABLE_DIRECTORY_LISTING, ENABLE_KEEP_ALIVE, NUM_THREADS,
+  EXTRA_MIME_TYPES, ENABLE_DIRECTORY_LISTING, NUM_THREADS,
   NUM_OPTIONS
 };
 
+// There are two entries for each option: a short and a long version.
 static const char *option_names[] = {
-  "document_root", "listening_ports", "index_files", "ssl_certificate",
-  "cgi_extensions", "cgi_interpreter", "cgi_environment", "ssi_extensions",
-  "authentication_domain", "protect_uri", "global_passwords_file",
-  "put_delete_passwords_file", "access_log_file", "error_log_file",
-  "access_control_list", "run_as_user", "extra_mime_types",
-  "enable_directory_listing", "enable_keep_alive", "num_threads",
+  "r", "document_root", "p", "listening_ports", "i", "index_files",
+  "s", "ssl_certificate", "C", "cgi_extensions", "I", "cgi_interpreter",
+  "E", "cgi_environment", "S", "ssi_extensions", "R", "authentication_domain",
+  "P", "protect_uri", "g", "global_passwords_file",
+  "G", "put_delete_passwords_file", "a", "access_log_file",
+  "e", "error_log_file", "l", "access_control_list", "u", "run_as_user",
+  "m", "extra_mime_types", "d", "enable_directory_listing", "t", "num_threads",
   NULL
 };
 
@@ -410,9 +412,10 @@ static void *call_user(struct mg_connection *conn, enum mg_event event) {
 
 static int get_option_index(const char *name) {
   int i;
-  for (i = 0; option_names[i] != NULL; i++) {
-    if (strcmp(option_names[i], name) == 0) {
-      return i;
+  for (i = 0; option_names[i] != NULL; i += 2) {
+    if (strcmp(option_names[i], name) == 0 ||
+        strcmp(option_names[i + 1], name) == 0) {
+      return i / 2;
     }
   }
   return -1;
@@ -3788,7 +3791,6 @@ struct mg_context *mg_start(mg_callback_t user_callback, const char **options) {
   ctx->config[DOCUMENT_ROOT] = mg_strdup(".");
   ctx->config[LISTENING_PORTS] = mg_strdup("8080");
   ctx->config[ENABLE_DIRECTORY_LISTING] = mg_strdup("yes");
-  ctx->config[ENABLE_KEEP_ALIVE] = mg_strdup("no");
   ctx->config[AUTHENTICATION_DOMAIN] = mg_strdup("mydomain.com");
   ctx->config[INDEX_FILES] = mg_strdup("index.html,index.htm,index.cgi");
   ctx->config[CGI_EXTENSIONS] = mg_strdup(".cgi,.pl,.php");

mongoose.h

@@ -118,7 +118,8 @@ void mg_stop(struct mg_context *);
 const char *mg_get_option(const struct mg_context *ctx, const char *name);
 
 
-// Return array of valid configuration options.
+// Return array of valid configuration options. For each option, a short
+// version and a long version is returned. Array is NULL terminated.
 const char **mg_get_valid_option_names(void);