diff options
| author | Josh Poimboeuf <jpoimboe@redhat.com> | 2015-12-15 09:39:36 -0600 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-12-16 21:33:13 -0300 |
| commit | 901421a5bdf605d24c278825cdd032cd6038bcb8 (patch) | |
| tree | e38d011aa6ff9c348a6ea7d3c9e664fef54b237f /tools/perf/util/subcmd-util.h | |
| parent | 096d35585b4fce7d3ee9b8b34314f39f49491ab1 (diff) | |
| download | linux-901421a5bdf605d24c278825cdd032cd6038bcb8.tar.gz linux-901421a5bdf605d24c278825cdd032cd6038bcb8.tar.bz2 linux-901421a5bdf605d24c278825cdd032cd6038bcb8.zip | |
perf tools: Remove subcmd dependencies on strbuf
Introduce and use new astrcat() and astrcatf() functions which replace
the strbuf functionality for subcmd.
For now they duplicate strbuf's die-on-allocation-error policy.
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/957d207e1254406fa11fc2e405e75a7e405aad8f.1450193761.git.jpoimboe@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/subcmd-util.h')
| -rw-r--r-- | tools/perf/util/subcmd-util.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/tools/perf/util/subcmd-util.h b/tools/perf/util/subcmd-util.h new file mode 100644 index 000000000000..98fb9f9270eb --- /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); \ +}) + +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); +} + +#endif /* __PERF_SUBCMD_UTIL_H */ |