Support removing last string from strarg

Added the strarg_pop() function for removing the last string from the
array. It would be nicer if an arbitrary name or index could be removed,
but that probably requires a linked list. This should be good enough for
our purposes.

1 files changed, 8 insertions, 0 deletions

diff --git a/test/tstrarg.c b/test/tstrarg.c
index 2945536..7eef722 100644
--- a/test/tstrarg.c
+++ b/test/tstrarg.c
@@ -32,6 +32,14 @@ int main(int argc, char *argv[])
 	else
 		printf("Didn't find \"barf\" in test\n");
 
+	printf("Removing last two elements\n");
+	test = strarg_pop(test, &num);
+	test = strarg_pop(test, &num);
+
+	printf("Contents of test strarg\n");
+	for (n = 0; n < num; n++)
+		printf("Arg %d: %s\n", n, test[n]);
+
 	strarg_free(test, num);
 
 	return 0;