https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=9beb7b977162bd576da325ce8e23152e70989f78
commit 9beb7b977162bd576da325ce8e23152e70989f78 Author: Corinna Vinschen <[email protected]> Date: Fri Aug 7 13:30:40 2020 +0200 Cygwin: utils: cygcheck: avoid GCC warning concatenating strings Signed-off-by: Corinna Vinschen <[email protected]> Diff: --- winsup/utils/dump_setup.cc | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/winsup/utils/dump_setup.cc b/winsup/utils/dump_setup.cc index 4415954f9..ec70da0db 100644 --- a/winsup/utils/dump_setup.cc +++ b/winsup/utils/dump_setup.cc @@ -77,11 +77,15 @@ parse_filename (const char *in_fn, fileparse& f) else if (strcasecmp (ver, "-src") == 0 || strcasecmp (ver, "-patch") == 0) { + size_t len; + *ver++ = '\0'; strcpy (f.pkg, p); strcpy (f.what, strlwr (ver)); strcpy (f.pkgtar, p); - strcat (f.pkgtar, f.tail); + len = strlen (f.pkgtar); + strncpy (f.pkgtar + len, f.tail, sizeof (f.pkgtar) - len); + f.pkgtar[MAX_PATH] = '\0'; ver = strchr (ver, '\0'); break; }
