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linux/lib/glob.c

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lib: glob: add missing SPDX-License-Identifier Add the missing dual MIT/GPL license identifier to glob.c. Link: https://lkml.kernel.org/r/20260228195300.2468310-1-objecting@objecting.org Signed-off-by: Josh Law <objecting@objecting.org> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2026-02-28 19:53:00 +00:00
lib: add lib/glob.c This is a helper function from drivers/ata/libata_core.c, where it is used to blacklist particular device models. It's being moved to lib/ so other drivers may use it for the same purpose. This implementation in non-recursive, so is safe for the kernel stack. [akpm@linux-foundation.org: fix sparse warning] Signed-off-by: George Spelvin <linux@horizon.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Tejun Heo <tj@kernel.org> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06 16:09:23 -07:00
lib: glob: add explicit include for export.h Include <linux/export.h> explicitly instead of relying on it being implicitly included by <linux/module.h> for the EXPORT_SYMBOL macro. Link: https://lkml.kernel.org/r/20260301152143.2572137-1-objecting@objecting.org Signed-off-by: Josh Law <objecting@objecting.org> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2026-03-01 15:21:41 +00:00
lib: add lib/glob.c This is a helper function from drivers/ata/libata_core.c, where it is used to blacklist particular device models. It's being moved to lib/ so other drivers may use it for the same purpose. This implementation in non-recursive, so is safe for the kernel stack. [akpm@linux-foundation.org: fix sparse warning] Signed-off-by: George Spelvin <linux@horizon.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Tejun Heo <tj@kernel.org> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06 16:09:23 -07:00
lib: glob: fix grammar and replace non-inclusive terminology Fix a missing article ('a') in the comment describing the glob implementation, and replace 'blacklists' with 'denylists' to align with the kernel's inclusive terminology guidelines. Link: https://lkml.kernel.org/r/20260301154553.2592681-1-objecting@objecting.org Signed-off-by: Josh Law <objecting@objecting.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2026-03-01 15:45:53 +00:00
lib: add lib/glob.c This is a helper function from drivers/ata/libata_core.c, where it is used to blacklist particular device models. It's being moved to lib/ so other drivers may use it for the same purpose. This implementation in non-recursive, so is safe for the kernel stack. [akpm@linux-foundation.org: fix sparse warning] Signed-off-by: George Spelvin <linux@horizon.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Tejun Heo <tj@kernel.org> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06 16:09:23 -07:00
lib/glob: initialize back_str to silence uninitialized variable warning back_str is only used when back_pat is non-NULL, and both are always set together, so it is safe in practice. Initialize back_str to NULL to make this safety invariant explicit and silence compiler/static analysis warnings. Link: https://lkml.kernel.org/r/20260312215249.50165-1-objecting@objecting.org Signed-off-by: Josh Law <objecting@objecting.org> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2026-03-12 21:52:49 +00:00
lib: add lib/glob.c This is a helper function from drivers/ata/libata_core.c, where it is used to blacklist particular device models. It's being moved to lib/ so other drivers may use it for the same purpose. This implementation in non-recursive, so is safe for the kernel stack. [akpm@linux-foundation.org: fix sparse warning] Signed-off-by: George Spelvin <linux@horizon.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Tejun Heo <tj@kernel.org> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06 16:09:23 -07:00
lib: glob.c: added null check for character class Add null check for character class. Previously, an inverted character class could result in a nul byte being matched and lead to the function reading past the end of the inputted string. Link: https://lkml.kernel.org/r/20240826155709.12383-1-swaminathanalok@gmail.com Signed-off-by: Alok Swaminathan <swaminathanalok@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2024-08-26 11:57:09 -04:00
lib: add lib/glob.c This is a helper function from drivers/ata/libata_core.c, where it is used to blacklist particular device models. It's being moved to lib/ so other drivers may use it for the same purpose. This implementation in non-recursive, so is safe for the kernel stack. [akpm@linux-foundation.org: fix sparse warning] Signed-off-by: George Spelvin <linux@horizon.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Tejun Heo <tj@kernel.org> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06 16:09:23 -07:00
lib/glob: clean up "bool abuse" in pointer arithmetic Replace the implicit 'bool' to 'int' conversion with an explicit ternary operator. This makes the pointer arithmetic clearer and avoids relying on boolean memory representation for logic flow. Link: https://lkml.kernel.org/r/20260301203845.2617217-1-objecting@objecting.org Signed-off-by: Josh Law <objecting@objecting.org> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2026-03-01 20:38:45 +00:00
lib: add lib/glob.c This is a helper function from drivers/ata/libata_core.c, where it is used to blacklist particular device models. It's being moved to lib/ so other drivers may use it for the same purpose. This implementation in non-recursive, so is safe for the kernel stack. [akpm@linux-foundation.org: fix sparse warning] Signed-off-by: George Spelvin <linux@horizon.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Tejun Heo <tj@kernel.org> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06 16:09:23 -07:00
lib: glob: replace bitwise OR with logical operation on boolean Using bitwise OR (|=) on a boolean variable is valid C, but replacing it with a direct logical assignment makes the intent clearer and appeases strict static analysis tools. Link: https://lkml.kernel.org/r/20260301152143.2572137-2-objecting@objecting.org Signed-off-by: Josh Law <objecting@objecting.org> Reviewed-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
2026-03-01 15:21:42 +00:00
lib: add lib/glob.c This is a helper function from drivers/ata/libata_core.c, where it is used to blacklist particular device models. It's being moved to lib/ so other drivers may use it for the same purpose. This implementation in non-recursive, so is safe for the kernel stack. [akpm@linux-foundation.org: fix sparse warning] Signed-off-by: George Spelvin <linux@horizon.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Tejun Heo <tj@kernel.org> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06 16:09:23 -07:00
Revert "lib: Revert use of fallthrough pseudo-keyword in lib/" This reverts commit 6a9dc5fd6170 ("lib: Revert use of fallthrough pseudo-keyword in lib/") Now that we can build arch/powerpc/boot/ free of -Wimplicit-fallthrough, re-enable these fixes for lib/. Signed-off-by: Nick Desaulniers <ndesaulniers@google.com> Tested-by: Nathan Chancellor <natechancellor@gmail.com> Reviewed-by: Nathan Chancellor <natechancellor@gmail.com> Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org> Reviewed-by: Miguel Ojeda <ojeda@kernel.org> Link: https://github.com/ClangBuiltLinux/linux/issues/236 Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
2020-11-15 20:35:31 -08:00
lib: add lib/glob.c This is a helper function from drivers/ata/libata_core.c, where it is used to blacklist particular device models. It's being moved to lib/ so other drivers may use it for the same purpose. This implementation in non-recursive, so is safe for the kernel stack. [akpm@linux-foundation.org: fix sparse warning] Signed-off-by: George Spelvin <linux@horizon.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Tejun Heo <tj@kernel.org> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2014-08-06 16:09:23 -07:00