diff options
Diffstat (limited to 'uemis-downloader.c')
| -rw-r--r-- | uemis-downloader.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/uemis-downloader.c b/uemis-downloader.c index 95cebe492..8b29eca3e 100644 --- a/uemis-downloader.c +++ b/uemis-downloader.c @@ -148,6 +148,8 @@ static long bytes_available(int file) { long result; long now = lseek(file, 0, SEEK_CUR); + if (now == -1) + return 0; result = lseek(file, 0, SEEK_END); lseek(file, now, SEEK_SET); if (now == -1 || result == -1) @@ -516,6 +518,11 @@ static bool uemis_get_answer(const char *path, char *request, int n_param_in, assembling_mbuf = false; } reqtxt_file = subsurface_open(reqtxt_path, O_RDWR | O_CREAT, 0666); + if (reqtxt_file == -1) { + *error_text = "can't open req.txt"; + fprintf(stderr, "open %s failed with errno %d\n", reqtxt_path, errno); + return false; + } trigger_response(reqtxt_file, "n", filenr, file_length); } } else { @@ -526,6 +533,11 @@ static bool uemis_get_answer(const char *path, char *request, int n_param_in, searching = false; } reqtxt_file = subsurface_open(reqtxt_path, O_RDWR | O_CREAT, 0666); + if (reqtxt_file == -1) { + *error_text = "can't open req.txt"; + fprintf(stderr, "open %s failed with errno %d\n", reqtxt_path, errno); + return false; + } trigger_response(reqtxt_file, "r", filenr, file_length); uemis_increased_timeout(&timeout); } |