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Diffstat (limited to 'src/options.go')
-rw-r--r--src/options.go14
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")
}