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7 commits

Author SHA1 Message Date
Steven Moreland
066e625b6b libutils: use log/log.h internally
utils/Log.h is one less file we need if we're
splitting up this library for binder.

Bug: 302720583
Test: build
Change-Id: Ibc7ec5402df342627f465354d7cf59e98f450a31
2023-10-07 00:29:44 +00:00
Tomasz Wasilczyk
2b1a0599c4 Don't depend on String8 cast to C string
Bug: 295394788
Test: m checkbuild
Change-Id: I5b86ae56250d409a23ab3f2bc72b725bcf6ab23e
2023-09-20 15:11:54 +00:00
Tomasz Wasilczyk
18b746188c Migrate String8/16 from .string() to c_str()
This will align usage with std::string.

Bug: 295394788
Test: make checkbuild
Change-Id: Ic5c215b011197950dcbcb0339f44cc68fefc65a1
2023-08-11 19:53:20 +00:00
Eric Miao
c6ce48ef19 String8: fix infinite loop and segmentation fault in removeAll()
Bug: 290835996
Test: libutils_fuzz_string8 for several minutes

String8::removeAll() has 2 serious problems:

1. When `other` is an empty string, `removeAll()` will loop infinitely
   due to below process:

   a) with `other` being empty string `""`, find() will call strstr()
      on an empty string, which always returns `mString`, and thus
      find() always return 0 in this case
   b) with find() returns 0 for empty string, the next while loop in
      String8::removeAll() will keep loop infinitely as `index` will
      always be 0

   This CL fixes this problem by returning true if `other` is an empty
   string (i.e. `strlen(other) == 0`), this follows the logic that an
   empty string will always be found and no actual remove needs to be
   done.

2. When `other` is a NULL string, strstr() has undefined behavior. See
   https://www.open-std.org/jtc1/sc22/wg14/www/docs/n1570.pdf.

   This undefined behavior on Android unfortunately causes immediate
   segmentation fault as the current `strstr` implementation in bionic
   libc doesn't check `needle` being NULL, and an access to a NULL
   location is performed to check if the `needle` string is an empty
   string, and thus causes segmentation fault.

   This CL gives an error message and aborts instead of having a
   segfault, and to keep some backward compatibility.

   This CL also adds test for String8::removeAll()

Change-Id: Ie2ccee6767efe0fed476db4ec6072717198279e9
2023-07-18 16:02:07 -07:00
Elliott Hughes
59682761fb Check for overflow in String8::real_append.
Bug: http://b/178822418
Test: new tests
Change-Id: I73631a070ade0689441abe5645ba5a5f64a58675
2021-06-10 16:42:20 -07:00
Devin Moore
6bcbeeafba libutils: add unit tests for invalid utf-8 and utf-16 strings
Characters get dropped during the conversionis between 8 and 16.

Test: atest libutils_test
Change-Id: Ie76dd38e97968137555ba2ab7ce188c9122ed06e
2020-11-10 02:54:39 +00:00
Elliott Hughes
01705e4f1d Clean up libcutils/libutils tests.
Move tests in the same directory as the corresponding code, so it's
easier to see what is/isn't tested.

Fix naming of libcutils_tests (plural) to match the singular that's more
common (even though the plural makes more sense to me).

Add these two to system/core/'s TEST_MAPPING.

Remove obsolete AndroidTest.xml.

Fix a flaky (timing-dependent) libcutils test.

Test: ran tests
Change-Id: I7e0a31ff45c8a152562bf66fc97161594249366e
2019-02-11 13:15:56 -08:00
Renamed from libutils/tests/String8_test.cpp (Browse further)