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Add -V switch (print version info)

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Christopher Wellons
2019-03-24 12:42:08 -04:00
parent 4ffc65b3eb
commit 7fd15308dd
1 changed files with 14 additions and 1 deletions
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15
endlessh.c
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@@ -15,6 +15,8 @@
#include <arpa/inet.h> #include <arpa/inet.h>
#include <netinet/in.h> #include <netinet/in.h>
#define ENDLESSH_VERSION 0.1
#define DEFAULT_PORT 2222 #define DEFAULT_PORT 2222
#define DEFAULT_DELAY 10000 /* milliseconds */ #define DEFAULT_DELAY 10000 /* milliseconds */
#define DEFAULT_MAX_LINE_LENGTH 32 #define DEFAULT_MAX_LINE_LENGTH 32
@@ -494,6 +496,13 @@ usage(FILE *f)
fprintf(f, " -p INT Listening port [" XSTR(DEFAULT_PORT) "]\n"); fprintf(f, " -p INT Listening port [" XSTR(DEFAULT_PORT) "]\n");
fprintf(f, " -v Print diagnostics to standard output " fprintf(f, " -v Print diagnostics to standard output "
"(repeatable)\n"); "(repeatable)\n");
fprintf(f, " -v Print version information and exit\n");
}
static void
print_version(void)
{
puts("Endlessh " XSTR(ENDLESSH_VERSION));
} }
static int static int
@@ -536,7 +545,7 @@ main(int argc, char **argv)
config_load(&config, config_file, 1); config_load(&config, config_file, 1);
int option; int option;
while ((option = getopt(argc, argv, "d:f:hl:m:p:v")) != -1) { while ((option = getopt(argc, argv, "d:f:hl:m:p:vV")) != -1) {
switch (option) { switch (option) {
case 'd': case 'd':
config_set_delay(&config, optarg, 1); config_set_delay(&config, optarg, 1);
@@ -562,6 +571,10 @@ main(int argc, char **argv)
if (!loglevel++) if (!loglevel++)
setvbuf(stdout, 0, _IOLBF, 0); setvbuf(stdout, 0, _IOLBF, 0);
break; break;
case 'V':
print_version();
exit(EXIT_SUCCESS);
break;
default: default:
usage(stderr); usage(stderr);
exit(EXIT_FAILURE); exit(EXIT_FAILURE);