1 files changed, 91 insertions, 0 deletions
diff --git a/CCache/args.c b/CCache/args.c
new file mode 100644
index 0000000..31e5471
--- /dev/null
+++ b/CCache/args.c
@@ -0,0 +1,91 @@
+/*
+  convenient routines for argument list handling
+
+   Copyright (C) Andrew Tridgell 2002
+   
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 2 of the License, or
+   (at your option) any later version.
+   
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+   
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "ccache.h"
+
+ARGS *args_init(int init_argc, char **init_args)
+{
+	ARGS *args;
+	int i;
+	args = (ARGS *)x_malloc(sizeof(ARGS));
+	args->argc = 0;
+	args->argv = (char **)x_malloc(sizeof(char *));
+	args->argv[0] = NULL;
+	for (i=0;i<init_argc;i++) {
+		args_add(args, init_args[i]);
+	}
+	return args;
+}
+
+
+void args_add(ARGS *args, const char *s)
+{
+	args->argv = (char**)x_realloc(args->argv, (args->argc + 2) * sizeof(char *));
+	args->argv[args->argc] = x_strdup(s);
+	args->argc++;
+	args->argv[args->argc] = NULL;
+}
+
+/* pop the last element off the args list */
+void args_pop(ARGS *args, int n)
+{
+	while (n--) {
+		args->argc--;
+		free(args->argv[args->argc]);
+		args->argv[args->argc] = NULL;
+	}
+}
+
+/* remove the first element of the argument list */
+void args_remove_first(ARGS *args)
+{
+	free(args->argv[0]);
+	memmove(&args->argv[0], 
+		&args->argv[1],
+		args->argc * sizeof(args->argv[0]));
+	args->argc--;
+}
+
+/* add an argument into the front of the argument list */
+void args_add_prefix(ARGS *args, const char *s)
+{
+	args->argv = (char**)x_realloc(args->argv, (args->argc + 2) * sizeof(char *));
+	memmove(&args->argv[1], &args->argv[0], 
+		(args->argc+1) * sizeof(args->argv[0]));
+	args->argv[0] = x_strdup(s);
+	args->argc++;
+}
+
+/* strip any arguments beginning with the specified prefix */
+void args_strip(ARGS *args, const char *prefix)
+{
+	int i;
+	for (i=0; i<args->argc; ) {
+		if (strncmp(args->argv[i], prefix, strlen(prefix)) == 0) {
+			free(args->argv[i]);
+			memmove(&args->argv[i], 
+				&args->argv[i+1], 
+				args->argc * sizeof(args->argv[i]));
+			args->argc--;
+		} else {
+			i++;
+		}
+	}
+}