linux-hardened/tools/perf/util/exec_cmd.h
Masami Hiramatsu c4068f51d4 perf tools: Make perf_exec_path() always return malloc'd string
Since system_path() returns malloc'd string if given path is not an
absolute path, perf_exec_path() sometimes returns a static string and
sometimes returns a malloc'd string depending on the environment
variables or command options.

This may cause a memory leak because the caller can not unconditionally
free the returned string.

This fixes perf_exec_path() and system_path() to always return a
malloc'd string, so the caller can always free it.

Signed-off-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20151119060453.14210.65666.stgit@localhost.localdomain
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2015-11-19 13:19:19 -03:00

13 lines
514 B
C

#ifndef __PERF_EXEC_CMD_H
#define __PERF_EXEC_CMD_H
extern void perf_set_argv_exec_path(const char *exec_path);
extern const char *perf_extract_argv0_path(const char *path);
extern void setup_path(void);
extern int execv_perf_cmd(const char **argv); /* NULL terminated */
extern int execl_perf_cmd(const char *cmd, ...);
/* perf_exec_path and system_path return malloc'd string, caller must free it */
extern char *perf_exec_path(void);
extern char *system_path(const char *path);
#endif /* __PERF_EXEC_CMD_H */