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[PATCH 1/2] qemu-img: refactor dump_map_entry JSON format output
From: |
Eyal Moscovici |
Subject: |
[PATCH 1/2] qemu-img: refactor dump_map_entry JSON format output |
Date: |
Sun, 22 Mar 2020 11:11:16 +0200 |
Previously dump_map_entry identified whether we need to start a new JSON
array based on whether start address == 0. In this refactor we remove
this assumption as in following patches we will allow map to start from
an arbitrary position.
Acked-by: Mark Kanda <address@hidden>
Signed-off-by: Eyal Moscovici <address@hidden>
---
qemu-img.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)
diff --git a/qemu-img.c b/qemu-img.c
index afddf33f08..9cf8576217 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -2860,9 +2860,8 @@ static int dump_map_entry(OutputFormat output_format,
MapEntry *e,
}
break;
case OFORMAT_JSON:
- printf("%s{ \"start\": %"PRId64", \"length\": %"PRId64","
+ printf("{ \"start\": %"PRId64", \"length\": %"PRId64","
" \"depth\": %"PRId64", \"zero\": %s, \"data\": %s",
- (e->start == 0 ? "[" : ",\n"),
e->start, e->length, e->depth,
e->zero ? "true" : "false",
e->data ? "true" : "false");
@@ -2871,8 +2870,8 @@ static int dump_map_entry(OutputFormat output_format,
MapEntry *e,
}
putchar('}');
- if (!next) {
- printf("]\n");
+ if (next) {
+ printf(",\n");
}
break;
}
@@ -3047,6 +3046,8 @@ static int img_map(int argc, char **argv)
if (output_format == OFORMAT_HUMAN) {
printf("%-16s%-16s%-16s%s\n", "Offset", "Length", "Mapped to", "File");
+ } else if (output_format == OFORMAT_JSON) {
+ printf("[");
}
length = blk_getlength(blk);
@@ -3078,6 +3079,9 @@ static int img_map(int argc, char **argv)
}
ret = dump_map_entry(output_format, &curr, NULL);
+ if (output_format == OFORMAT_JSON) {
+ printf("]\n");
+ }
out:
blk_unref(blk);
--
2.17.2 (Apple Git-113)