gui_common.c

   1 #include "para.h"
   2
   3 extern const char *status_item_list[NUM_STAT_ITEMS];
   4
   5
   6 int para_open_audiod_pipe(char *cmd)
   7 {
   8         int fds[3] = {0, 1, 0};
   9         pid_t pid;
  10         return para_exec_cmdline_pid(&pid, cmd, fds) > 0?
  11                 fds[1] : -1;
  12 }
  13
  14 int read_audiod_pipe(int fd, void (*line_handler)(char *) )
  15 {
  16         static char buf[STRINGSIZE];
  17         const ssize_t bufsize = sizeof(buf) - 1;
  18         static ssize_t loaded;
  19         ssize_t ret;
  20
  21         if (loaded >= bufsize)
  22                 loaded = 0;
  23         ret = read(fd, buf + loaded, bufsize - loaded);
  24         if (ret > 0) {
  25                 loaded += ret;
  26                 buf[loaded] = '\0';
  27                 loaded = for_each_line(buf, loaded, line_handler);
  28         }
  29         return ret;
  30 }