X-Git-Url: http://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Fopt%2Ftest%2Futils.c;h=2ff04884ebdc0efe6dc4d9dd8fe4ae6af4b9175b;hp=5b054f87f315ce7524dd5c90456467c29e80e777;hb=c656dceb3f04c2e3da7af40824c97eff5119a0b9;hpb=7e381e6c241957ff5840b1d8a0ab5f3bde6337c2

diff --git a/ccan/opt/test/utils.c b/ccan/opt/test/utils.c
index 5b054f87..2ff04884 100644
--- a/ccan/opt/test/utils.c
+++ b/ccan/opt/test/utils.c
@@ -1,15 +1,14 @@
-#define _GNU_SOURCE
+#include "config.h"
 #include <ccan/tap/tap.h>
 #include <stdarg.h>
 #include <stdlib.h>
 #include <ccan/opt/opt.h>
-#include <getopt.h>
 #include <string.h>
 #include <stdio.h>
 #include "utils.h"
 
 unsigned int test_cb_called;
-char *test_noarg(void *arg)
+char *test_noarg(void *arg UNNEEDED)
 {
 	test_cb_called++;
 	return NULL;
@@ -29,13 +28,15 @@ void show_arg(char buf[OPT_SHOW_LEN], const char *arg)
 
 char *err_output = NULL;
 
-static void save_err_output(const char *fmt, ...)
+void save_err_output(const char *fmt, ...)
 {
 	va_list ap;
 	char *p;
 
 	va_start(ap, fmt);
-	vasprintf(&p, fmt, ap);
+	/* Check return, for fascist gcc */
+	if (vasprintf(&p, fmt, ap) == -1)
+		p = NULL;
 	va_end(ap);
 
 	if (err_output) {
@@ -47,7 +48,15 @@ static void save_err_output(const char *fmt, ...)
 		err_output = p;
 }	
 
-/* FIXME: This leaks, BTW. */
+void reset_options(void)
+{
+	opt_free_table();
+	free(err_output);
+	err_output = NULL;
+}
+
+static bool allocated = false;
+
 bool parse_args(int *argc, char ***argv, ...)
 {
 	char **a;
@@ -61,13 +70,62 @@ bool parse_args(int *argc, char ***argv, ...)
 		(*argc)++;
 		a = realloc(a, sizeof(*a) * (*argc + 1));
 	}
+
+	if (allocated)
+		free(*argv);
+
 	*argv = a;
-	/* Re-set before parsing. */
-	optind = 0;
+	allocated = true;
 
 	return opt_parse(argc, *argv, save_err_output);
 }
 
+bool parse_early_args(int *argc, char ***argv, ...)
+{
+	char **a;
+	va_list ap;
+
+	va_start(ap, argv);
+	*argc = 1;
+	a = malloc(sizeof(*a) * (*argc + 1));
+	a[0] = (*argv)[0];
+	while ((a[*argc] = va_arg(ap, char *)) != NULL) {
+		(*argc)++;
+		a = realloc(a, sizeof(*a) * (*argc + 1));
+	}
+
+	if (allocated)
+		free(*argv);
+
+	*argv = a;
+	allocated = true;
+
+	return opt_early_parse(*argc, *argv, save_err_output);
+}
+
+bool parse_early_args_incomplete(int *argc, char ***argv, ...)
+{
+	char **a;
+	va_list ap;
+
+	va_start(ap, argv);
+	*argc = 1;
+	a = malloc(sizeof(*a) * (*argc + 1));
+	a[0] = (*argv)[0];
+	while ((a[*argc] = va_arg(ap, char *)) != NULL) {
+		(*argc)++;
+		a = realloc(a, sizeof(*a) * (*argc + 1));
+	}
+
+	if (allocated)
+		free(*argv);
+
+	*argv = a;
+	allocated = true;
+
+	return opt_early_parse_incomplete(*argc, *argv, save_err_output);
+}
+
 struct opt_table short_table[] = {
 	/* Short opts, different args. */
 	OPT_WITHOUT_ARG("-a", test_noarg, "a", "Description of a"),