diff options
Diffstat (limited to 'shared/systemd/src/basic/process-util.h')
| -rw-r--r-- | shared/systemd/src/basic/process-util.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/shared/systemd/src/basic/process-util.h b/shared/systemd/src/basic/process-util.h index 05012377..314a8de1 100644 --- a/shared/systemd/src/basic/process-util.h +++ b/shared/systemd/src/basic/process-util.h @@ -20,14 +20,16 @@ #define procfs_file_alloca(pid, field) \ ({ \ pid_t _pid_ = (pid); \ - const char *_r_; \ + const char *_field_ = (field); \ + char *_r_; \ if (_pid_ == 0) { \ - _r_ = ("/proc/self/" field); \ + _r_ = newa(char, STRLEN("/proc/self/") + strlen(_field_) + 1); \ + strcpy(stpcpy(_r_, "/proc/self/"), _field_); \ } else { \ - _r_ = newa(char, STRLEN("/proc/") + DECIMAL_STR_MAX(pid_t) + 1 + sizeof(field)); \ - sprintf((char*) _r_, "/proc/"PID_FMT"/" field, _pid_); \ + _r_ = newa(char, STRLEN("/proc/") + DECIMAL_STR_MAX(pid_t) + 1 + strlen(_field_) + 1); \ + sprintf(_r_, "/proc/" PID_FMT "/%s", _pid_, _field_); \ } \ - _r_; \ + (const char*) _r_; \ }) typedef enum ProcessCmdlineFlags { |