[Replicant] [libsamsung-ipc] [PATCH 08/11] samsung-ipc/utils: Add file_data_size
Denis 'GNUtoo' Carikli
GNUtoo at cyberdimension.org
Sun Oct 11 22:22:19 UTC 2020
Signed-off-by: Denis 'GNUtoo' Carikli <GNUtoo at cyberdimension.org>
---
include/samsung-ipc.h | 1 +
samsung-ipc/utils.c | 41 +++++++++++++++++++++++++++++++++++++++++
2 files changed, 42 insertions(+)
diff --git a/include/samsung-ipc.h b/include/samsung-ipc.h
index b5a8315..a03c748 100644
--- a/include/samsung-ipc.h
+++ b/include/samsung-ipc.h
@@ -155,6 +155,7 @@ void *file_data_read(struct ipc_client *client, const char *path, size_t size,
int file_data_write(struct ipc_client *client, const char *path,
const void *data, size_t size, size_t chunk_size,
unsigned int offset);
+off_t file_data_size(struct ipc_client *client, const char *path);
int network_iface_up(const char *iface, int domain, int type);
int network_iface_down(const char *iface, int domain, int type);
int sysfs_value_read(const char *path);
diff --git a/samsung-ipc/utils.c b/samsung-ipc/utils.c
index 0e6bc2f..3fb4adc 100644
--- a/samsung-ipc/utils.c
+++ b/samsung-ipc/utils.c
@@ -193,6 +193,47 @@ complete:
return rc;
}
+off_t file_data_size(struct ipc_client *client, const char *path)
+{
+ int fd = -1;
+ off_t rc = 0;
+ int err = 0;
+
+ if (path == NULL) {
+ ipc_client_log(client, "%s: Failed: path is NULL",
+ __func__);
+ err = ENOENT;
+ goto error;
+ }
+
+ fd = open(path, O_RDONLY);
+ if (fd < 0) {
+ err = errno;
+ ipc_client_log(client, "%s: open %s failed with error %d: %s",
+ __func__, path, err, strerror(err));
+ goto error;
+ }
+
+ rc = lseek(fd, 0, SEEK_END);
+ if (rc == -1) {
+ err = errno;
+ ipc_client_log(client, "%s: seek %s failed with error %d: %s",
+ __func__, path, err, strerror(err));
+ goto error;
+ }
+
+error:
+ if (fd >= 0)
+ close(fd);
+
+ if (err) {
+ errno = err;
+ return -1;
+ } else {
+ return rc;
+ }
+}
+
int network_iface_up(const char *iface, int domain, int type)
{
struct ifreq ifr;
--
2.28.0
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