diff options
Diffstat (limited to 'gcc/gcov-tool.c')
| -rw-r--r-- | gcc/gcov-tool.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/gcov-tool.c b/gcc/gcov-tool.c index f628b603a80..911d9249321 100644 --- a/gcc/gcov-tool.c +++ b/gcc/gcov-tool.c @@ -46,6 +46,7 @@ extern int gcov_profile_normalize (struct gcov_info*, gcov_type); extern int gcov_profile_scale (struct gcov_info*, float, int, int); extern struct gcov_info* gcov_read_profile_dir (const char*, int); extern void gcov_do_dump (struct gcov_info *, int); +extern const char *gcov_get_filename (struct gcov_info *list); extern void gcov_set_verbose (void); /* Set to verbose output mode. */ @@ -114,6 +115,14 @@ gcov_output_files (const char *out, struct gcov_info *profile) if (ret) fatal_error (input_location, "Cannot change directory to %s", out); + /* Verify that output file does not exist (either was removed by + unlink_profile_data or removed by user). */ + const char *filename = gcov_get_filename (profile); + + if (access (filename, F_OK) != -1) + fatal_error (input_location, "output file %s already exists in folder %s", + filename, out); + gcov_do_dump (profile, 0); ret = chdir (pwd); |