diff options
Diffstat (limited to 'libio/iopopen.c')
| -rw-r--r-- | libio/iopopen.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/libio/iopopen.c b/libio/iopopen.c index 5b9bd4844d..ca2a18edac 100644 --- a/libio/iopopen.c +++ b/libio/iopopen.c @@ -149,10 +149,18 @@ _IO_FILE * DEFUN(_IO_popen, (command, mode), const char *command AND const char *mode) { - _IO_proc_file *fpx = (_IO_proc_file*)malloc(sizeof(_IO_proc_file)); - _IO_FILE *fp = (_IO_FILE*)fpx; - if (fp == NULL) + struct locked_FILE + { + struct _IO_proc_file fpx; + _IO_lock_t lock; + } *new_f; + _IO_FILE *fp; + + new_f = (struct locked_FILE *) malloc (sizeof (struct locked_FILE)); + if (new_f == NULL) return NULL; + new_f->fpx.file.file._lock = &new_f->lock; + fp = (_IO_FILE*)&new_f->fpx; _IO_init(fp, 0); _IO_JUMPS(fp) = &_IO_proc_jumps; _IO_file_init(fp); @@ -161,7 +169,7 @@ DEFUN(_IO_popen, (command, mode), #endif if (_IO_proc_open (fp, command, mode) != NULL) return fp; - free (fpx); + free (new_f); return NULL; } |