diff options
Diffstat (limited to 'libc/termios/ttyname.c')
| -rw-r--r-- | libc/termios/ttyname.c | 58 |
1 files changed, 35 insertions, 23 deletions
diff --git a/libc/termios/ttyname.c b/libc/termios/ttyname.c index 271c9a4ab..001681caa 100644 --- a/libc/termios/ttyname.c +++ b/libc/termios/ttyname.c @@ -1,17 +1,11 @@ -#define opendir __opendir -#define closedir __closedir -#define readdir __readdir -#define isatty __isatty - -#include <string.h> -#include <errno.h> -#include <assert.h> -#include <unistd.h> -#include <dirent.h> -#include <sys/stat.h> - -/* Jan 1, 2004 Manuel Novoa III +/* + * Copyright (C) Jan 1, 2004 Manuel Novoa III + * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> * + * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. + */ + +/* * Kept the same approach, but rewrote the code for the most part. * Fixed some minor issues plus (as I recall) one SUSv3 errno case. */ @@ -29,6 +23,24 @@ * * If you change this, also change _SC_TTY_NAME_MAX in libc/unistd/sysconf.c */ + +#include <string.h> +#include <errno.h> +#include <assert.h> +#include <unistd.h> +#include <dirent.h> +#include <sys/stat.h> + +libc_hidden_proto(ttyname_r) +libc_hidden_proto(fstat) +libc_hidden_proto(lstat) +libc_hidden_proto(strcpy) +libc_hidden_proto(strlen) +libc_hidden_proto(opendir) +libc_hidden_proto(closedir) +libc_hidden_proto(readdir) +libc_hidden_proto(isatty) + #define TTYNAME_BUFLEN 32 static const char dirlist[] = @@ -39,7 +51,7 @@ static const char dirlist[] = "\011/dev/pts/\0" /* and try /dev/pts next */ "\005/dev/\0"; /* and try walking through /dev last */ -int attribute_hidden __ttyname_r(int fd, char *ubuf, size_t ubuflen) +int ttyname_r(int fd, char *ubuf, size_t ubuflen) { struct dirent *d; struct stat st; @@ -51,7 +63,7 @@ int attribute_hidden __ttyname_r(int fd, char *ubuf, size_t ubuflen) size_t len; char buf[TTYNAME_BUFLEN]; - if (__fstat(fd, &st) < 0) { + if (fstat(fd, &st) < 0) { return errno; } @@ -66,7 +78,7 @@ int attribute_hidden __ttyname_r(int fd, char *ubuf, size_t ubuflen) assert(len + 2 <= TTYNAME_BUFLEN); /* dirname + 1 char + nul */ - __strcpy(buf, p); + strcpy(buf, p); s = buf + len; len = (TTYNAME_BUFLEN-2) - len; /* Available non-nul space. */ @@ -77,13 +89,13 @@ int attribute_hidden __ttyname_r(int fd, char *ubuf, size_t ubuflen) while ((d = readdir(fp)) != NULL) { /* This should never trigger for standard names, but we * check it to be safe. */ - if (__strlen(d->d_name) > len) { /* Too big? */ + if (strlen(d->d_name) > len) { /* Too big? */ continue; } - __strcpy(s, d->d_name); + strcpy(s, d->d_name); - if ((__lstat(buf, &dst) == 0) + if ((lstat(buf, &dst) == 0) #if 0 /* Stupid filesystems like cramfs fail to guarantee that * st_ino and st_dev uniquely identify a file, contrary to @@ -98,8 +110,8 @@ int attribute_hidden __ttyname_r(int fd, char *ubuf, size_t ubuflen) /* We treat NULL buf as ERANGE rather than EINVAL. */ rv = ERANGE; - if (ubuf && (__strlen(buf) <= ubuflen)) { - __strcpy(ubuf, buf); + if (ubuf && (strlen(buf) <= ubuflen)) { + strcpy(ubuf, buf); rv = 0; } goto DONE; @@ -114,11 +126,11 @@ int attribute_hidden __ttyname_r(int fd, char *ubuf, size_t ubuflen) return rv; } -strong_alias(__ttyname_r,ttyname_r) +libc_hidden_def(ttyname_r) char *ttyname(int fd) { static char name[TTYNAME_BUFLEN]; - return __ttyname_r(fd, name, TTYNAME_BUFLEN) ? NULL : name; + return ttyname_r(fd, name, TTYNAME_BUFLEN) ? NULL : name; } |