diff options
Diffstat (limited to 'io.c')
| -rw-r--r-- | io.c | 57 |
1 files changed, 0 insertions, 57 deletions
@@ -2122,8 +2122,6 @@ gawk_pclose(struct redirect *rp) * except if popen() provides real pipes too */ -#if defined(__DJGPP__) || defined(__MINGW32__) || defined(VMS) || defined(__EMX__) - /* gawk_popen --- open an IOBUF on a child process */ static IOBUF * @@ -2163,61 +2161,6 @@ gawk_pclose(struct redirect *rp) rp->ifp = NULL; return (rval < 0 ? rval : aval); } -#else /* not (__DJGPP__ || __MINGW32__ || VMS || __EMX__) */ - -static struct pipeinfo { - char *command; - char *name; -} pipes[_NFILE]; - -/* gawk_popen --- open an IOBUF on a child process */ - -static IOBUF * -gawk_popen(const char *cmd, struct redirect *rp) -{ - int current; - char *name; - static char cmdbuf[256]; - - /* get a name to use */ - if ((name = tempnam(".", "pip")) == NULL) - return NULL; - sprintf(cmdbuf, "%s > %s", cmd, name); - system(cmdbuf); - if ((current = open(name, O_RDONLY)) == INVALID_HANDLE) - return NULL; - pipes[current].name = name; - emalloc(pipes[current].command, char *, strlen(cmd)+1, "gawk_popen"); - strcpy(pipes[current].command, cmd); - os_close_on_exec(current, cmd, "pipe", "from"); - rp->iop = iop_alloc(current, name, NULL, TRUE); - if (rp->iop == NULL) - (void) close(current); - return rp->iop; -} - -/* gawk_pclose --- close an open child pipe */ - -static int -gawk_pclose(struct redirect *rp) -{ - int cur = rp->iop->fd; - int rval = 0; - - if (rp->iop != NULL) - rval = iop_close(rp->iop); - rp->iop = NULL; - - /* check for an open file */ - if (pipes[cur].name == NULL) - return -1; - unlink(pipes[cur].name); - efree(pipes[cur].name); - pipes[cur].name = NULL; - efree(pipes[cur].command); - return rval; -} -#endif /* not (__DJGPP__ || __MINGW32__ || VMS || __EMX__) */ #endif /* PIPES_SIMULATED */ |