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authorJosh Poimboeuf <jpoimboe@redhat.com>2015-12-15 18:39:36 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2015-12-17 03:33:13 +0300
commit901421a5bdf605d24c278825cdd032cd6038bcb8 (patch)
treee38d011aa6ff9c348a6ea7d3c9e664fef54b237f /tools/perf/util/help.c
parent096d35585b4fce7d3ee9b8b34314f39f49491ab1 (diff)
downloadlinux-901421a5bdf605d24c278825cdd032cd6038bcb8.tar.xz
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/help.c')
-rw-r--r--tools/perf/util/help.c14
1 files changed, 6 insertions, 8 deletions
diff --git a/tools/perf/util/help.c b/tools/perf/util/help.c
index 8d74f7d05674..8e5e0ce3870e 100644
--- a/tools/perf/util/help.c
+++ b/tools/perf/util/help.c
@@ -2,6 +2,7 @@
#include "../builtin.h"
#include "exec_cmd.h"
#include "help.h"
+#include "subcmd-util.h"
void add_cmdname(struct cmdnames *cmds, const char *name, size_t len)
{
@@ -119,8 +120,7 @@ static void list_commands_in_dir(struct cmdnames *cmds,
int prefix_len;
DIR *dir = opendir(path);
struct dirent *de;
- struct strbuf buf = STRBUF_INIT;
- int len;
+ char *buf = NULL;
if (!dir)
return;
@@ -128,8 +128,7 @@ static void list_commands_in_dir(struct cmdnames *cmds,
prefix = "perf-";
prefix_len = strlen(prefix);
- strbuf_addf(&buf, "%s/", path);
- len = buf.len;
+ astrcatf(&buf, "%s/", path);
while ((de = readdir(dir)) != NULL) {
int entlen;
@@ -137,9 +136,8 @@ static void list_commands_in_dir(struct cmdnames *cmds,
if (prefixcmp(de->d_name, prefix))
continue;
- strbuf_setlen(&buf, len);
- strbuf_addstr(&buf, de->d_name);
- if (!is_executable(buf.buf))
+ astrcat(&buf, de->d_name);
+ if (!is_executable(buf))
continue;
entlen = strlen(de->d_name) - prefix_len;
@@ -149,7 +147,7 @@ static void list_commands_in_dir(struct cmdnames *cmds,
add_cmdname(cmds, de->d_name + prefix_len, entlen);
}
closedir(dir);
- strbuf_release(&buf);
+ free(buf);
}
void load_command_list(const char *prefix,