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The systemd System and Service Manager
830464c3e4
All underlying glibc calls are free to return NULL if the size argument is 0. We most often call those functions with a fixed argument, or at least something which obviously cannot be zero, but it's too easy to forget. E.g. coverity complains about "rows = new0(JsonVariant*, n_rows-1);" in format-table.c There is an assert that n_rows > 0, so we could hit this corner case here. Let's simplify callers and make those functions "safe". CID #1397035. The compiler is mostly able to optimize this away: $ size build{,-opt}/src/shared/libsystemd-shared-239.so (before) text data bss dec hex filename 2643329 580940 3112 3227381 313ef5 build/src/shared/libsystemd-shared-239.so (-O0 -g) 2170013 578588 3089 2751690 29fcca build-opt/src/shared/libsystemd-shared-239.so (-03 -flto -g) (after) text data bss dec hex filename 2644017 580940 3112 3228069 3141a5 build/src/shared/libsystemd-shared-239.so 2170765 578588 3057 2752410 29ff9a build-opt/src/shared/libsystemd-shared-239.so |
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| .github/ISSUE_TEMPLATE | ||
| .lgtm/cpp-queries | ||
| .mkosi | ||
| catalog | ||
| coccinelle | ||
| docs | ||
| factory/etc | ||
| hwdb | ||
| man | ||
| modprobe.d | ||
| network | ||
| po | ||
| presets | ||
| rules | ||
| shell-completion | ||
| src | ||
| sysctl.d | ||
| sysusers.d | ||
| test | ||
| tmpfiles.d | ||
| tools | ||
| travis-ci | ||
| units | ||
| xorg | ||
| .dir-locals.el | ||
| .editorconfig | ||
| .gitattributes | ||
| .gitignore | ||
| .lgtm.yml | ||
| .mailmap | ||
| .travis.yml | ||
| .vimrc | ||
| .ycm_extra_conf.py | ||
| configure | ||
| LICENSE.GPL2 | ||
| LICENSE.LGPL2.1 | ||
| Makefile | ||
| meson_options.txt | ||
| meson.build | ||
| mkosi.build | ||
| mkosi.default | ||
| NEWS | ||
| README | ||
| README.md | ||
| TODO | ||
| zanata.xml | ||
systemd - System and Service Manager
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