From bdb55c4355253f7f74bffd7e06830a215788bdd2 Mon Sep 17 00:00:00 2001 From: jeon Date: Wed, 18 Sep 2019 12:33:51 +0900 Subject: [PATCH] default_backend: check return value of fseek Change-Id: I63a27ffa7c75d22c4a1381bb8cb7f114a2469230 --- backends/default_backend.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/backends/default_backend.c b/backends/default_backend.c index 5d71cf2..135a194 100644 --- a/backends/default_backend.c +++ b/backends/default_backend.c @@ -206,14 +206,16 @@ static char * _read_json_file(const char *path, int *data_size) { FILE *fp = fopen(path, "rb"); - int size; + int size, ret; char *buffer = NULL; ERROR_CHECK(fp, return NULL, "Failed to open file: %s\n", path); - fseek(fp, 0, SEEK_END); + ret = fseek(fp, 0, SEEK_END); + ERROR_CHECK(ret == 0, goto error, "Failed to seek file. ret: %d\n", ret); size = (long int)ftell(fp); - fseek(fp, 0, SEEK_SET); ERROR_CHECK(0 < size && size < INT_MAX, goto error, "Invalid file: %d size\n", size); + ret = fseek(fp, 0, SEEK_SET); + ERROR_CHECK(ret == 0, goto error, "Failed to seek file. ret: %d\n", ret); buffer = (char *)calloc(sizeof(char), size + 1); ERROR_CHECK(buffer, goto error, "Failed to allocate memory for buffer\n"); -- 2.7.4