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GET /api/1.1/patches/2228651/?format=api
{ "id": 2228651, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2228651/?format=api", "web_url": "http://patchwork.ozlabs.org/project/buildroot/patch/20260427074835.1452504-4-kanak.shilledar@axis.com/", "project": { "id": 27, "url": "http://patchwork.ozlabs.org/api/1.1/projects/27/?format=api", "name": "Buildroot development", "link_name": "buildroot", "list_id": "buildroot.buildroot.org", "list_email": "buildroot@buildroot.org", "web_url": "", "scm_url": "", "webscm_url": "" }, "msgid": "<20260427074835.1452504-4-kanak.shilledar@axis.com>", "date": "2026-04-27T07:48:37", "name": "[v2,1/1] support: kconfig: Fix compiler warnings", "commit_ref": null, "pull_url": null, "state": "superseded", "archived": false, "hash": "ecb1a5ff14fe34fc57a6fbd1ad268bb1ad654552", "submitter": { "id": 93250, "url": "http://patchwork.ozlabs.org/api/1.1/people/93250/?format=api", "name": "Kanak Shilledar", "email": "kanak.shilledar@axis.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/buildroot/patch/20260427074835.1452504-4-kanak.shilledar@axis.com/mbox/", "series": [ { "id": 501593, "url": "http://patchwork.ozlabs.org/api/1.1/series/501593/?format=api", "web_url": "http://patchwork.ozlabs.org/project/buildroot/list/?series=501593", "date": "2026-04-27T07:48:35", "name": "support: kconfig: Fix compiler warnings", "version": 2, "mbox": "http://patchwork.ozlabs.org/series/501593/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2228651/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2228651/checks/", "tags": {}, "headers": { "Return-Path": "<buildroot-bounces@buildroot.org>", "X-Original-To": [ "incoming-buildroot@patchwork.ozlabs.org", "buildroot@buildroot.org" ], "Delivered-To": [ "patchwork-incoming-buildroot@legolas.ozlabs.org", "buildroot@buildroot.org" ], "Authentication-Results": [ "legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=buildroot.org header.i=@buildroot.org\n header.a=rsa-sha256 header.s=default header.b=ru79hSOB;\n\tdkim-atps=neutral", "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=buildroot.org\n (client-ip=140.211.166.136; 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charset=\"utf-8\"", "Content-Transfer-Encoding": "base64", "Errors-To": "buildroot-bounces@buildroot.org", "Sender": "\"buildroot\" <buildroot-bounces@buildroot.org>" }, "content": "On Ubuntu 24.04.4, the compiler gives the warning of\n`-Wformat-overflow=`.\n\n```\n./util.c: In function ‘file_write_dep’:\n./util.c:86:26: warning: ‘%s’ directive writing 10 or more bytes into a region of size between 1 and 4097 [-Wformat-overflow=]\n 86 | sprintf(buf2, \"%s%s\", dir, name);\n | ^~\n./util.c:86:9: note: ‘sprintf’ output 11 or more bytes (assuming 4107) into a destination of size 4097\n 86 | sprintf(buf2, \"%s%s\", dir, name);\n | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n```\n\nUpdate `buf2` to `PATH_MAX+20` similar to `buf`, thus giving enough\nheadroom for the filename suffix.\n\n--\nChanges in v2:\n* Changed from direct file fix to patch based fix.\n\nSigned-off-by: Kanak Shilledar <kanak.shilledar@axis.com>\n---\n .../24-support-kconfig-fix-compiler-warnings.patch | 14 ++++++++++++++\n 1 file changed, 14 insertions(+)\n create mode 100644 support/kconfig/patches/24-support-kconfig-fix-compiler-warnings.patch", "diff": "diff --git a/support/kconfig/patches/24-support-kconfig-fix-compiler-warnings.patch b/support/kconfig/patches/24-support-kconfig-fix-compiler-warnings.patch\nnew file mode 100644\nindex 0000000000..daef13bcf6\n--- /dev/null\n+++ b/support/kconfig/patches/24-support-kconfig-fix-compiler-warnings.patch\n@@ -0,0 +1,14 @@\n+Index: kconfig/util.c\n+===================================================================\n+--- kconfig.orig/util.c\n++++ kconfig/util.c\n+@@ -35,7 +35,7 @@ struct file *file_lookup(const char *name)\n+ int file_write_dep(const char *name)\n+ {\n+ \tchar *str;\n+-\tchar buf[PATH_MAX+20], buf2[PATH_MAX+1], dir[PATH_MAX+1];\n++\tchar buf[PATH_MAX+20], buf2[PATH_MAX+20], dir[PATH_MAX+1];\n+ \tstruct symbol *sym, *env_sym;\n+ \tstruct expr *e;\n+ \tstruct file *file;\n+\n", "prefixes": [ "v2", "1/1" ] }