diff options
Diffstat (limited to 'io.c')
| -rw-r--r-- | io.c | 17 |
1 files changed, 14 insertions, 3 deletions
@@ -58,6 +58,7 @@ static int gawk_pclose P((struct redirect *rp)); static int do_pathopen P((char *file)); extern FILE *fdopen(); +extern FILE *popen(); static struct redirect *red_head = NULL; @@ -466,6 +467,8 @@ register struct redirect *rp; if (rp == NULL) return 0; + if (rp->fp == stdout || rp->fp == stderr) + return 0; errno = 0; if ((rp->flag & (RED_PIPE|RED_WRITE)) == (RED_PIPE|RED_WRITE)) status = pclose(rp->fp); @@ -516,7 +519,6 @@ flush_io () warning("error writing standard output (%s).", strerror(errno)); status++; } - errno = 0; if (fflush(stderr)) { warning("error writing standard error (%s).", strerror(errno)); status++; @@ -524,7 +526,6 @@ flush_io () for (rp = red_head; rp != NULL; rp = rp->next) /* flush both files and pipes, what the heck */ if ((rp->flag & RED_WRITE) && rp->fp != NULL) { - errno = 0; if (fflush(rp->fp)) { warning("%s flush of \"%s\" failed (%s).", (rp->flag & RED_PIPE) ? "pipe" : @@ -542,6 +543,15 @@ close_io () register struct redirect *next; int status = 0; + errno = 0; + if (fclose(stdout)) { + warning("error writing standard output (%s).", strerror(errno)); + status++; + } + if (fclose(stderr)) { + warning("error writing standard error (%s).", strerror(errno)); + status++; + } for (rp = red_head; rp != NULL; rp = next) { next = rp->next; if (close_redir(rp)) @@ -695,7 +705,8 @@ char *name, *mode; int i; if (name[6] == 'g') -#if defined(__svr4__) || defined(i860) +/* following #if will improve in 2.16 */ +#if defined(__svr4__) || defined(i860) || defined(_AIX) || defined(BSD4_4) sprintf(tbuf, "%d\n", getpgrp()); #else sprintf(tbuf, "%d\n", getpgrp(getpid())); |