Don't open an output file in the case of srzip.

This fixes parts of bug #570.

diff --git a/session.c b/session.c
index b045119483a8238b1091fd8bf2c42e1c4343e98d..b4ff3ffd9645abcd0fc081fae5e2f996bca9bcf0 100644 (file)
--- a/session.c
+++ b/session.c
@@ -180,10 +180,24 @@ void datafeed_in(const struct sr_dev_inst *sdi,
                /* Set up backup analog output module. */
                oa = sr_output_new(sr_output_find("analog"), NULL, sdi, NULL);
 
-               if (opt_output_file)
-                       outfile = g_fopen(opt_output_file, "wb");
-               else
+               /*
+                * Don't open a file when using the "srzip" output format.
+                * The srzip output module does open/write/rename/close
+                * on its own. This is especially important on Windows since
+                * libzip (used by srzip) will try to rename a temporary
+                * ZIP file to the final *.sr filename as specified by
+                * the sigrok-cli user. However, on Windows file renames
+                * of files that are already opened by any process are not
+                * possible. Thus, we don't open the *.sr file here,
+                * but rather let srzip perform all file operations.
+                */
+               if (opt_output_file) {
+                       /* Only open the file if output format != srzip. */
+                       if (!g_str_has_prefix(opt_output_format, "srzip"))
+                               outfile = g_fopen(opt_output_file, "wb");
+               } else {
                        outfile = stdout;
+               }
 
                rcvd_samples_logic = rcvd_samples_analog = 0;
 
@@ -299,7 +313,7 @@ void datafeed_in(const struct sr_dev_inst *sdi,
                break;
        }
 
-       if (o && outfile && !opt_pds) {
+       if (o && (outfile || g_str_has_prefix(opt_output_format, "srzip")) && !opt_pds) {
                if (sr_output_send(o, packet, &out) == SR_OK) {
                        if (!out || (out->len == 0
                                        && !opt_output_format