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Groups > linux.kernel > #1291298
| From | Arnaldo Carvalho de Melo <acme@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v3 14/17] perf: Remove subcmd dependencies on strbuf |
| Date | 2015-12-14 16:50 +0100 |
| Message-ID | <qFDxV-83l-25@gated-at.bofh.it> (permalink) |
| References | <qFsMa-14g-3@gated-at.bofh.it> <qFsVQ-17V-21@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Em Sun, Dec 13, 2015 at 10:18:14PM -0600, Josh Poimboeuf escreveu:
> Introduce and use new astrcat() and astrcatf() functions which replace
> the strbuf functionality for subcmd.
<SNIP>
> diff --git a/tools/perf/util/subcmd-util.h b/tools/perf/util/subcmd-util.h
> new file mode 100644
> index 0000000..98fb9f9
> --- /dev/null
> +++ b/tools/perf/util/subcmd-util.h
> @@ -0,0 +1,24 @@
> +#ifndef __PERF_SUBCMD_UTIL_H
> +#define __PERF_SUBCMD_UTIL_H
> +
> +#include <stdio.h>
> +
> +#define astrcatf(out, fmt, ...) \
> +({ \
> + char *tmp = *(out); \
> + if (asprintf((out), "%s" fmt, tmp ?: "", ## __VA_ARGS__) == -1) \
> + die("asprintf failed"); \
> + free(tmp); \
> +})
Hey, don't add die() calls, please.
> +
> +static inline void astrcat(char **out, const char *add)
> +{
> + char *tmp = *out;
> +
> + if (asprintf(out, "%s%s", tmp ?: "", add) == -1)
> + die("asprintf failed");
> +
> + free(tmp);
Ditto.
And I think that this should go into tools/include/string.h and
tools/lib/string.c, no?
We should try to look at the kernel and try to follow naming, semantics,
etc as much as possible. The kernel doesn't have a astrcat, just
kasprintf() (that is in linux/kernel.h, perhaps because in userland
asprintf is in stdio.h, not in string.h) , wonder how something like
astrcat is done there... Doing some research now.
- Arnaldo
> +}
> +
> +#endif /* __PERF_SUBCMD_UTIL_H */
> --
> 2.4.3
--
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[PATCH v3 00/17] perf tools: Move perf subcommand framework to a library Josh Poimboeuf <jpoimboe@redhat.com> - 2015-12-14 05:20 +0100
[PATCH v3 06/17] perf build: Rename LIB_PATH -> API_PATH Josh Poimboeuf <jpoimboe@redhat.com> - 2015-12-14 05:20 +0100
Re: [PATCH v3 06/17] perf build: Rename LIB_PATH -> API_PATH Jiri Olsa <jolsa@redhat.com> - 2015-12-14 11:40 +0100
Re: [PATCH v3 06/17] perf build: Rename LIB_PATH -> API_PATH Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-14 16:20 +0100
[tip:perf/core] perf build: Rename LIB_PATH -> API_PATH tip-bot for Josh Poimboeuf <tipbot@zytor.com> - 2015-12-18 09:50 +0100
[PATCH v3 02/17] tools build: Fix feature Makefile dependencies for 'O=' Josh Poimboeuf <jpoimboe@redhat.com> - 2015-12-14 05:20 +0100
Re: [PATCH v3 02/17] tools build: Fix feature Makefile dependencies for 'O=' Jiri Olsa <jolsa@redhat.com> - 2015-12-14 11:10 +0100
Re: [PATCH v3 02/17] tools build: Fix feature Makefile dependencies for 'O=' Josh Poimboeuf <jpoimboe@redhat.com> - 2015-12-14 15:10 +0100
[PATCH v3.1 02/17] tools build: Fix feature Makefile dependencies for 'O=' Josh Poimboeuf <jpoimboe@redhat.com> - 2015-12-14 15:30 +0100
Re: [PATCH v3.1 02/17] tools build: Fix feature Makefile dependencies for 'O=' Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-14 16:20 +0100
Re: [PATCH v3.1 02/17] tools build: Fix feature Makefile dependencies for 'O=' Jiri Olsa <jolsa@redhat.com> - 2015-12-14 16:30 +0100
Re: [PATCH v3.1 02/17] tools build: Fix feature Makefile dependencies for 'O=' Josh Poimboeuf <jpoimboe@redhat.com> - 2015-12-14 16:40 +0100
Re: [PATCH v3.1 02/17] tools build: Fix feature Makefile dependencies for 'O=' Jiri Olsa <jolsa@redhat.com> - 2015-12-14 17:00 +0100
Re: [PATCH v3.1 02/17] tools build: Fix feature Makefile dependencies for 'O=' Josh Poimboeuf <jpoimboe@redhat.com> - 2015-12-14 17:10 +0100
[PATCH v3.2] tools build: Fix feature Makefile issues with 'O=' Josh Poimboeuf <jpoimboe@redhat.com> - 2015-12-14 19:40 +0100
[PATCH v3 08/17] perf: Remove check for unused PERF_PAGER_IN_USE Josh Poimboeuf <jpoimboe@redhat.com> - 2015-12-14 05:20 +0100
[tip:perf/core] perf tools: Remove check for unused PERF_PAGER_IN_USE tip-bot for Josh Poimboeuf <tipbot@zytor.com> - 2015-12-18 10:00 +0100
[PATCH v3 05/17] perf build: Fix 'make clean' Josh Poimboeuf <jpoimboe@redhat.com> - 2015-12-14 05:30 +0100
Re: [PATCH v3 05/17] perf build: Fix 'make clean' Jiri Olsa <jolsa@redhat.com> - 2015-12-14 11:20 +0100
Re: [PATCH v3 05/17] perf build: Fix 'make clean' Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-14 16:20 +0100
[tip:perf/core] perf build: Fix 'make clean' tip-bot for Josh Poimboeuf <tipbot@zytor.com> - 2015-12-18 09:50 +0100
[PATCH v3 13/17] perf: Document the fact that parse_options*() may exit Josh Poimboeuf <jpoimboe@redhat.com> - 2015-12-14 05:30 +0100
[PATCH v3 09/17] perf: Move help_unknown_cmd() to its own file Josh Poimboeuf <jpoimboe@redhat.com> - 2015-12-14 05:30 +0100
[tip:perf/core] perf tools: Move help_unknown_cmd() to its own file tip-bot for Josh Poimboeuf <tipbot@zytor.com> - 2015-12-18 10:00 +0100
[PATCH v3 12/17] perf: Convert parse-options.c internal functions to static Josh Poimboeuf <jpoimboe@redhat.com> - 2015-12-14 05:30 +0100
[tip:perf/core] perf tools: Convert parse-options.c internal functions to static tip-bot for Josh Poimboeuf <tipbot@zytor.com> - 2015-12-18 10:00 +0100
[PATCH v3 01/17] perf build: Remove unnecessary line in Makefile.feature Josh Poimboeuf <jpoimboe@redhat.com> - 2015-12-14 05:30 +0100
Re: [PATCH v3 01/17] perf build: Remove unnecessary line in Makefile.feature Jiri Olsa <jolsa@redhat.com> - 2015-12-14 11:10 +0100
Re: [PATCH v3 01/17] perf build: Remove unnecessary line in Makefile.feature Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-14 16:20 +0100
[tip:perf/core] perf build: Remove unnecessary line in Makefile.feature tip-bot for Josh Poimboeuf <tipbot@zytor.com> - 2015-12-18 09:50 +0100
[PATCH v3 17/17] tools subcmd: Rename subcmd header include guards Josh Poimboeuf <jpoimboe@redhat.com> - 2015-12-14 05:30 +0100
[PATCH v3 15/17] perf: Finalize subcmd independence Josh Poimboeuf <jpoimboe@redhat.com> - 2015-12-14 05:30 +0100
Re: [PATCH v3 15/17] perf: Finalize subcmd independence Jiri Olsa <jolsa@redhat.com> - 2015-12-14 11:40 +0100
Re: [PATCH v3 15/17] perf: Finalize subcmd independence Josh Poimboeuf <jpoimboe@redhat.com> - 2015-12-14 15:20 +0100
Re: [PATCH v3 15/17] perf: Finalize subcmd independence Jiri Olsa <jolsa@redhat.com> - 2015-12-14 16:30 +0100
Re: [PATCH v3 15/17] perf: Finalize subcmd independence Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-14 17:00 +0100
[PATCH v3 11/17] perf: Remove 'perf' from subcmd function and variable names Josh Poimboeuf <jpoimboe@redhat.com> - 2015-12-14 05:30 +0100
[PATCH v3 16/17] perf subcmd: Create subcmd library Josh Poimboeuf <jpoimboe@redhat.com> - 2015-12-14 05:30 +0100
[PATCH v3 04/17] perf test: remove tarpkg at end of test Josh Poimboeuf <jpoimboe@redhat.com> - 2015-12-14 05:30 +0100
[tip:perf/core] perf test: Remove tarpkg at end of test tip-bot for Josh Poimboeuf <tipbot@zytor.com> - 2015-12-18 09:50 +0100
[PATCH v3 14/17] perf: Remove subcmd dependencies on strbuf Josh Poimboeuf <jpoimboe@redhat.com> - 2015-12-14 05:30 +0100
Re: [PATCH v3 14/17] perf: Remove subcmd dependencies on strbuf Jiri Olsa <jolsa@redhat.com> - 2015-12-14 11:30 +0100
Re: [PATCH v3 14/17] perf: Remove subcmd dependencies on strbuf Josh Poimboeuf <jpoimboe@redhat.com> - 2015-12-14 15:20 +0100
Re: [PATCH v3 14/17] perf: Remove subcmd dependencies on strbuf Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-14 16:50 +0100
Re: [PATCH v3 14/17] perf: Remove subcmd dependencies on strbuf Josh Poimboeuf <jpoimboe@redhat.com> - 2015-12-14 17:10 +0100
Re: [PATCH v3 14/17] perf: Remove subcmd dependencies on strbuf Arnaldo Carvalho de Melo <acme@kernel.org> - 2015-12-14 19:00 +0100
Re: [PATCH v3 14/17] perf: Remove subcmd dependencies on strbuf Josh Poimboeuf <jpoimboe@redhat.com> - 2015-12-14 19:10 +0100
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