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-rw-r--r--src/backend/postmaster/postmaster.c5
-rw-r--r--src/include/getopt_long.h1
-rw-r--r--src/port/getopt.c20
-rw-r--r--src/port/getopt_long.c20
4 files changed, 24 insertions, 22 deletions
diff --git a/src/backend/postmaster/postmaster.c b/src/backend/postmaster/postmaster.c
index 04ee6c7954f..463ed819766 100644
--- a/src/backend/postmaster/postmaster.c
+++ b/src/backend/postmaster/postmaster.c
@@ -305,8 +305,7 @@ extern char *optarg;
extern int optind,
opterr;
-/* If not HAVE_GETOPT, we are using src/port/getopt.c, which has optreset */
-#if defined(HAVE_INT_OPTRESET) || !defined(HAVE_GETOPT)
+#ifdef HAVE_INT_OPTRESET
extern int optreset; /* might not be declared by system headers */
#endif
@@ -723,7 +722,7 @@ PostmasterMain(int argc, char *argv[])
* getopt(3) library so that it will work correctly in subprocesses.
*/
optind = 1;
-#if defined(HAVE_INT_OPTRESET) || !defined(HAVE_GETOPT)
+#ifdef HAVE_INT_OPTRESET
optreset = 1; /* some systems need this too */
#endif
diff --git a/src/include/getopt_long.h b/src/include/getopt_long.h
index 929151cdd7b..225d92db65e 100644
--- a/src/include/getopt_long.h
+++ b/src/include/getopt_long.h
@@ -18,7 +18,6 @@ extern int opterr;
extern int optind;
extern int optopt;
extern char *optarg;
-extern int optreset;
#ifndef HAVE_STRUCT_OPTION
diff --git a/src/port/getopt.c b/src/port/getopt.c
index ed7f421a47d..b759d53f0a0 100644
--- a/src/port/getopt.c
+++ b/src/port/getopt.c
@@ -41,7 +41,7 @@ static char sccsid[] = "@(#)getopt.c 8.3 (Berkeley) 4/27/95";
* On some versions of Solaris, opterr and friends are defined in core libc
* rather than in a separate getopt module. Define these variables only
* if configure found they aren't there by default. (We assume that testing
- * opterr is sufficient for all of these except optreset.)
+ * opterr is sufficient for all of these.)
*/
#ifndef HAVE_INT_OPTERR
@@ -57,12 +57,6 @@ extern int optopt;
extern char *optarg;
#endif
-#ifndef HAVE_INT_OPTRESET
-int optreset; /* reset getopt */
-#else
-extern int optreset;
-#endif
-
#define BADCH (int)'?'
#define BADARG (int)':'
#define EMSG ""
@@ -70,6 +64,12 @@ extern int optreset;
/*
* getopt
* Parse argc/argv argument vector.
+ *
+ * This implementation does not use optreset. Instead, we guarantee that
+ * it can be restarted on a new argv array after a previous call returned -1,
+ * if the caller resets optind to 1 before the first call of the new series.
+ * (Internally, this means we must be sure to reset "place" to EMSG before
+ * returning -1.)
*/
int
getopt(nargc, nargv, ostr)
@@ -80,9 +80,8 @@ const char *ostr;
static char *place = EMSG; /* option letter processing */
char *oli; /* option letter list index */
- if (optreset || !*place)
+ if (!*place)
{ /* update scanning pointer */
- optreset = 0;
if (optind >= nargc || *(place = nargv[optind]) != '-')
{
place = EMSG;
@@ -102,7 +101,10 @@ const char *ostr;
* if the user didn't specify '-' as an option, assume it means -1.
*/
if (optopt == (int) '-')
+ {
+ place = EMSG;
return -1;
+ }
if (!*place)
++optind;
if (opterr && *ostr != ':')
diff --git a/src/port/getopt_long.c b/src/port/getopt_long.c
index 9433b568272..11278030242 100644
--- a/src/port/getopt_long.c
+++ b/src/port/getopt_long.c
@@ -38,17 +38,21 @@
#include "getopt_long.h"
-#ifndef HAVE_INT_OPTRESET
-int optreset;
-
-/* else the "extern" was provided by getopt_long.h */
-#endif
-
#define BADCH '?'
#define BADARG ':'
#define EMSG ""
+/*
+ * getopt_long
+ * Parse argc/argv argument vector, with long options.
+ *
+ * This implementation does not use optreset. Instead, we guarantee that
+ * it can be restarted on a new argv array after a previous call returned -1,
+ * if the caller resets optind to 1 before the first call of the new series.
+ * (Internally, this means we must be sure to reset "place" to EMSG before
+ * returning -1.)
+ */
int
getopt_long(int argc, char *const argv[],
const char *optstring,
@@ -57,10 +61,8 @@ getopt_long(int argc, char *const argv[],
static char *place = EMSG; /* option letter processing */
char *oli; /* option letter list index */
- if (optreset || !*place)
+ if (!*place)
{ /* update scanning pointer */
- optreset = 0;
-
if (optind >= argc)
{
place = EMSG;