From 8069caca00caac8815078603ed1db91685a29fa2 Mon Sep 17 00:00:00 2001
From: ewt <devnull@localhost>
Date: Thu, 25 Feb 1999 20:16:43 +0000
Subject: [PATCH] allow single dash arguments (to represent stdin)

CVS patchset: 2838
CVS date: 1999/02/25 20:16:43
---
 popt/popt.c  | 6 +++++-
 popt/test1.c | 4 ++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/popt/popt.c b/popt/popt.c
index 7dd453d..104623e 100644
--- a/popt/popt.c
+++ b/popt/popt.c
@@ -231,7 +231,7 @@ static void execCommand(poptContext con) {
 
 static const struct poptOption * findOption(const struct poptOption * table,
 					    const char * longName,
-					    const char shortName,
+					    char shortName,
 					    poptCallbackType * callback,
 					    void ** callbackData,
 					    int singleDash) {
@@ -239,6 +239,10 @@ static const struct poptOption * findOption(const struct poptOption * table,
     const struct poptOption * opt2;
     const struct poptOption * cb = NULL;
 
+    /* This happens when a single - is given */
+    if (singleDash && !shortName)
+	shortName = '-';
+
     while (opt->longName || opt->shortName || opt->arg) {
 	if ((opt->argInfo & POPT_ARG_MASK) == POPT_ARG_INCLUDE_TABLE) {
 	    opt2 = findOption(opt->arg, longName, shortName, callback, 
diff --git a/popt/test1.c b/popt/test1.c
index 28ee269..04b0299 100644
--- a/popt/test1.c
+++ b/popt/test1.c
@@ -24,6 +24,7 @@ int main(int argc, char ** argv) {
     int help = 0;
     int usage = 0;
     int shortopt = 0;
+    int singleDash = 0;
     struct poptOption moreCallbackArgs[] = {
 	{ NULL, '\0', POPT_ARG_CALLBACK | POPT_CBFLAG_INC_DATA, 
 		option_callback, 0, NULL },
@@ -53,6 +54,7 @@ int main(int argc, char ** argv) {
 		"This shouldn't show up", NULL },
 	{ "unused", '\0', POPT_ARG_STRING, NULL, 0, 
 	    "Unused option for help testing", "UNUSED" },
+	{ NULL, '-', POPT_ARG_NONE | POPT_ARGFLAG_DOC_HIDDEN, &singleDash, 0 },
 	{ NULL, '\0', POPT_ARG_INCLUDE_TABLE, &moreArgs, 0, NULL },
 	{ NULL, '\0', POPT_ARG_INCLUDE_TABLE, &callbackArgs, 0, "Callback arguments" },
 	POPT_AUTOHELP
@@ -85,6 +87,8 @@ int main(int argc, char ** argv) {
 	fprintf(stdout, " inc: %d", inc);
     if (shortopt)
 	fprintf(stdout, " short: %d", shortopt);
+    if (singleDash)
+	fprintf(stdout, " -", shortopt);
 
     rest = poptGetArgs(optCon);
     if (rest) {
-- 
2.7.4