ar: pe_ar_list_members(): utility and driver integration.

1 files changed, 37 insertions, 4 deletions

diff --git a/src/cmds/pe_cmd_ar.c b/src/cmds/pe_cmd_ar.c
index 4b4f284..feb579c 100644
--- a/src/cmds/pe_cmd_ar.c
+++ b/src/cmds/pe_cmd_ar.c
@@ -9,12 +9,38 @@
 #include "perk_errinfo_impl.h"
 #include "perk_ar_impl.h"
 
+int pe_ar_list_members(const struct pe_archive_meta *, const char **);
+
+static int pe_cmd_ar_list_members(
+	const struct pe_driver_ctx * dctx,
+	const char *                 arname,
+	const char **                members)
+{
+	struct pe_unit_ctx * arctx = 0;
+
+	if (pe_lib_get_unit_ctx(dctx,arname,&arctx) < 0)
+		return PERK_NESTED_ERROR(dctx);
+
+	if (arctx->armeta == 0)
+		return PERK_CUSTOM_ERROR(dctx,
+			PERK_ERR_AR_NON_ARCHIVE_IMAGE);
+
+	if (pe_ar_list_members(arctx->armeta,members) < 0) {
+		pe_lib_free_unit_ctx(arctx);
+		return PERK_NESTED_ERROR(dctx);
+	}
+
+	pe_lib_free_unit_ctx(arctx);
+
+	return 0;
+}
+
 static int pe_cmd_ar_verify_cmdline(
 	const struct pe_driver_ctx * dctx,
 	uint64_t                     flags,
 	const char *                 posname,
 	const char *                 arname,
-	const char **                units)
+	const char **                members)
 {
 	uint64_t action;
 	uint64_t poscmd;
@@ -24,7 +50,7 @@ static int pe_cmd_ar_verify_cmdline(
 	poscmd = (flags & AR_POSNAME_MASK);
 	vercmd = (flags & PERK_DRIVER_VERSION);
 
-	if (vercmd && !posname && !arname && !units)
+	if (vercmd && !posname && !arname && !members)
 		return 0;
 
 	switch (action) {
@@ -82,10 +108,17 @@ int pe_cmd_ar(
 	uint64_t                     flags,
 	const char *                 posname,
 	const char *                 arname,
-	const char **                units)
+	const char **                members)
 {
-	if (pe_cmd_ar_verify_cmdline(dctx,flags,posname,arname,units) < 0)
+	if (pe_cmd_ar_verify_cmdline(dctx,flags,posname,arname,members) < 0)
 		return PERK_NESTED_ERROR(dctx);
 
+	switch (flags & AR_ACTION_MASK) {
+		case PERK_DRIVER_AR_LIST_MEMBERS:
+			return pe_cmd_ar_list_members(
+				dctx,arname,members);
+
+	}
+
 	return 0;
 }