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9pfs: introduce v9fs_path_sprintf() helper

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This helper is similar to v9fs_string_sprintf(), but it includes the
terminating NUL character in the size field.

This is to avoid doing v9fs_string_sprintf((V9fsString *) &path) and
then bumping the size.

Affected users are changed to use this new helper.

Signed-off-by: Greg Kurz <groug@kaod.org>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
This commit is contained in:
Greg Kurz 2016-09-16 08:56:15 +02:00
parent abdf008640
commit e3e83f2e21
4 changed files with 21 additions and 13 deletions
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7
hw/9pfs/9p-proxy.c
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@ -1023,13 +1023,10 @@ static int proxy_name_to_path(FsContext *ctx, V9fsPath *dir_path,
const char *name, V9fsPath *target)
{
if (dir_path) {
v9fs_string_sprintf((V9fsString *)target, "%s/%s",
dir_path->data, name);
v9fs_path_sprintf(target, "%s/%s", dir_path->data, name);
} else {
v9fs_string_sprintf((V9fsString *)target, "%s", name);
v9fs_path_sprintf(target, "%s", name);
}
/* Bump the size for including terminating NULL */
target->size++;
return 0;
}