X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Fstdio%2F__fdopen.c;h=116e78e56d2a1b3907c66a643d932b1b3a5c8545;hb=074932c84d34273821e3bfc2511e60a5ce78b8d8;hp=235d348fa201f658a784aaa0a116620eedf353ce;hpb=aa398f56fa398f2202b04e82c67f822f3233786f;p=musl diff --git a/src/stdio/__fdopen.c b/src/stdio/__fdopen.c index 235d348f..116e78e5 100644 --- a/src/stdio/__fdopen.c +++ b/src/stdio/__fdopen.c @@ -1,13 +1,21 @@ #include "stdio_impl.h" +#include +#include +#include +#include +#include +#include "libc.h" FILE *__fdopen(int fd, const char *mode) { FILE *f; - struct termios tio; - int plus = !!strchr(mode, '+'); + struct winsize wsz; /* Check for valid initial mode character */ - if (!strchr("rwa", *mode)) return 0; + if (!strchr("rwa", *mode)) { + errno = EINVAL; + return 0; + } /* Allocate FILE+buffer or fail */ if (!(f=malloc(sizeof *f + UNGET + BUFSIZ))) return 0; @@ -16,12 +24,17 @@ FILE *__fdopen(int fd, const char *mode) memset(f, 0, sizeof *f); /* Impose mode restrictions */ - if (!plus) f->flags = (*mode == 'r') ? F_NOWR : F_NORD; + if (!strchr(mode, '+')) f->flags = (*mode == 'r') ? F_NOWR : F_NORD; + + /* Apply close-on-exec flag */ + if (strchr(mode, 'e')) __syscall(SYS_fcntl, fd, F_SETFD, FD_CLOEXEC); /* Set append mode on fd if opened for append */ if (*mode == 'a') { - int flags = syscall(SYS_fcntl, fd, F_GETFL, 0); - syscall(SYS_fcntl, fd, F_SETFL, flags | O_APPEND); + int flags = __syscall(SYS_fcntl, fd, F_GETFL); + if (!(flags & O_APPEND)) + __syscall(SYS_fcntl, fd, F_SETFL, flags | O_APPEND); + f->flags |= F_APP; } f->fd = fd; @@ -30,7 +43,7 @@ FILE *__fdopen(int fd, const char *mode) /* Activate line buffered mode for terminals */ f->lbf = EOF; - if (!(f->flags & F_NOWR) && !syscall(SYS_ioctl, fd, TCGETS, &tio)) + if (!(f->flags & F_NOWR) && !__syscall(SYS_ioctl, fd, TIOCGWINSZ, &wsz)) f->lbf = '\n'; /* Initialize op ptrs. No problem if some are unneeded. */ @@ -39,14 +52,10 @@ FILE *__fdopen(int fd, const char *mode) f->seek = __stdio_seek; f->close = __stdio_close; - /* Add new FILE to open file list */ - OFLLOCK(); - f->next = ofl_head; - if (ofl_head) ofl_head->prev = f; - ofl_head = f; - OFLUNLOCK(); + if (!libc.threaded) f->lock = -1; - return f; + /* Add new FILE to open file list */ + return __ofl_add(f); } weak_alias(__fdopen, fdopen);