X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=src%2Fstdio%2F__fdopen.c;h=59690f6dcb97d3153df9541ccf15421759ba1f6b;hp=6ad7c57de61c3e02f2b2de853ffab21d42942a91;hb=835f9f950e2f6059532bd9ab9857a856ed21a4fd;hpb=0b44a0315b47dd8eced9f3b7f31580cf14bbfc01 diff --git a/src/stdio/__fdopen.c b/src/stdio/__fdopen.c index 6ad7c57d..59690f6d 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 FILE *__fdopen(int fd, const char *mode) { FILE *f; struct termios tio; - int plus = !!strchr(mode, '+'); /* 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 +24,15 @@ 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_fcntl(fd, F_GETFL, 0); - __syscall_fcntl(fd, F_SETFL, flags | O_APPEND); + int flags = __syscall(SYS_fcntl, fd, F_GETFL); + __syscall(SYS_fcntl, fd, F_SETFL, flags | O_APPEND); } f->fd = fd; @@ -30,7 +41,7 @@ FILE *__fdopen(int fd, const char *mode) /* Activate line buffered mode for terminals */ f->lbf = EOF; - if (!(f->flags & F_NOWR) && !__syscall_ioctl(fd, TCGETS, &tio)) + if (!(f->flags & F_NOWR) && !__syscall(SYS_ioctl, fd, TCGETS, &tio)) f->lbf = '\n'; /* Initialize op ptrs. No problem if some are unneeded. */ @@ -39,11 +50,13 @@ FILE *__fdopen(int fd, const char *mode) f->seek = __stdio_seek; f->close = __stdio_close; + if (!libc.threaded) f->lock = -1; + /* Add new FILE to open file list */ OFLLOCK(); - f->next = ofl_head; - if (ofl_head) ofl_head->prev = f; - ofl_head = f; + f->next = libc.ofl_head; + if (libc.ofl_head) libc.ofl_head->prev = f; + libc.ofl_head = f; OFLUNLOCK(); return f;