diff options
| author | Junegunn Choi <junegunn.c@gmail.com> | 2023-03-19 15:42:47 +0900 |
|---|---|---|
| committer | Junegunn Choi <junegunn.c@gmail.com> | 2023-03-19 15:48:39 +0900 |
| commit | fcd7e8768dc4a23f6e4f1aec57c9d2236ebe7fae (patch) | |
| tree | 7d39262b031120ceebf516a0e844b4ac26766edd /src/options.go | |
| parent | 3c34dd82750ca61a1ee7f329ed47fe01e6d1ee30 (diff) | |
Omit port number in `--listen` for automatic port assignment
Close #3200
Diffstat (limited to 'src/options.go')
| -rw-r--r-- | src/options.go | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/src/options.go b/src/options.go index 9be29107..f2de1d75 100644 --- a/src/options.go +++ b/src/options.go @@ -116,7 +116,7 @@ const usage = `usage: fzf [options] --read0 Read input delimited by ASCII NUL characters --print0 Print output delimited by ASCII NUL characters --sync Synchronous search for multi-staged filtering - --listen=HTTP_PORT Start HTTP server to receive actions (POST /) + --listen[=HTTP_PORT] Start HTTP server to receive actions (POST /) --version Display version information and exit Environment variables @@ -316,7 +316,7 @@ type Options struct { PreviewLabel labelOpts Unicode bool Tabstop int - ListenPort int + ListenPort *int ClearOnExit bool Version bool } @@ -1756,9 +1756,10 @@ func parseOptions(opts *Options, allArgs []string) { case "--tabstop": opts.Tabstop = nextInt(allArgs, &i, "tab stop required") case "--listen": - opts.ListenPort = nextInt(allArgs, &i, "listen port required") + port := optionalNumeric(allArgs, &i, 0) + opts.ListenPort = &port case "--no-listen": - opts.ListenPort = 0 + opts.ListenPort = nil case "--clear": opts.ClearOnExit = true case "--no-clear": @@ -1849,7 +1850,8 @@ func parseOptions(opts *Options, allArgs []string) { } else if match, value := optString(arg, "--tabstop="); match { opts.Tabstop = atoi(value) } else if match, value := optString(arg, "--listen="); match { - opts.ListenPort = atoi(value) + port := atoi(value) + opts.ListenPort = &port } else if match, value := optString(arg, "--hscroll-off="); match { opts.HscrollOff = atoi(value) } else if match, value := optString(arg, "--scroll-off="); match { @@ -1879,7 +1881,7 @@ func parseOptions(opts *Options, allArgs []string) { errorExit("tab stop must be a positive integer") } - if opts.ListenPort < 0 || opts.ListenPort > 65535 { + if opts.ListenPort != nil && (*opts.ListenPort < 0 || *opts.ListenPort > 65535) { errorExit("invalid listen port") } |