diff options
| -rw-r--r-- | main.c | 12 | ||||
| -rw-r--r-- | plop.1 | 7 |
2 files changed, 16 insertions, 3 deletions
@@ -11,10 +11,11 @@ static void usage(const char * const name) { dprintf(2, - "Usage: %s [-p PORT] [HANDLER]\n" + "Usage: %s [-p PORT] [-h] [HANDLER]\n" "Starts plop server listening on PORT and serving HANDLER.\n" "HANDLER defaults to '" PLOP_DEFAULT_HANDLER "'.\n\n" - " -p\tstart listening on PORT (default: 8080)\n", + " -p\tstart listening on PORT (default: 8080)\n" + " -h\tprints this help message\n", name); } @@ -27,7 +28,7 @@ int main(int argc, char ** argv) const char * service = "8080"; int opt; - while (-1 != (opt = getopt(argc, argv, "p:"))) + while (-1 != (opt = getopt(argc, argv, "p:h"))) { switch (opt) { @@ -36,6 +37,11 @@ int main(int argc, char ** argv) service = optarg; break; } + case 'h': + { + usage(argv[0]); + return 0; + } default: { usage(argv[0]); @@ -4,6 +4,7 @@ plop \- Small hackable standalone engine for Lua web applications .SH SYNOPSIS .SY plop .OP \-p PORT +.OP \-h .RI [ HANDLER ] .YS .SH DESCRIPTION @@ -27,3 +28,9 @@ was used with module name .B handler and the return value is set as global variable with the same name. Loaded script is expected to return a function which will be used to handle each request. +.P +If +.B \-h +option is used a short help message is printed out to standard error output, and then program is terminated. This short +message contains default value of +.IR HANDLER . |