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-rw-r--r--passes/cmds/cover.cc10
1 files changed, 6 insertions, 4 deletions
diff --git a/passes/cmds/cover.cc b/passes/cmds/cover.cc
index 0ec74767..1128116b 100644
--- a/passes/cmds/cover.cc
+++ b/passes/cmds/cover.cc
@@ -98,21 +98,23 @@ struct CoverPass : public Pass {
}
if ((args[argidx] == "-o" || args[argidx] == "-a" || args[argidx] == "-d") && argidx+1 < args.size()) {
const char *open_mode = args[argidx] == "-a" ? "a+" : "w";
- std::string filename = args[++argidx];
+ const std::string &filename = args[++argidx];
+ FILE *f = nullptr;
if (args[argidx-1] == "-d") {
#ifdef _WIN32
log_cmd_error("The 'cover -d' option is not supported on win32.\n");
#else
char filename_buffer[4096];
snprintf(filename_buffer, 4096, "%s/yosys_cover_%d_XXXXXX.txt", filename.c_str(), getpid());
- filename = mkstemps(filename_buffer, 4);
+ f = fdopen(mkstemps(filename_buffer, 4), "w");
#endif
+ } else {
+ f = fopen(filename.c_str(), open_mode);
}
- FILE *f = fopen(filename.c_str(), open_mode);
if (f == NULL) {
for (auto f : out_files)
fclose(f);
- log_cmd_error("Can't create file %s.\n", args[argidx].c_str());
+ log_cmd_error("Can't create file %s%s.\n", args[argidx-1] == "-d" ? "in directory " : "", args[argidx].c_str());
}
out_files.push_back(f);
continue;