diff options
Diffstat (limited to 'sysdeps/unix/bsd/getpt.c')
| -rw-r--r-- | sysdeps/unix/bsd/getpt.c | 25 |
1 files changed, 12 insertions, 13 deletions
diff --git a/sysdeps/unix/bsd/getpt.c b/sysdeps/unix/bsd/getpt.c index ec339c8335..55d87fa2bc 100644 --- a/sysdeps/unix/bsd/getpt.c +++ b/sysdeps/unix/bsd/getpt.c @@ -31,13 +31,13 @@ #ifndef PTYNAME1 #define PTYNAME1 "pqrsPQRS" #endif -const char *__libc_ptyname1 = PTYNAME1; +const char __libc_ptyname1[] = PTYNAME1; /* Letters indicating the position within a series. */ #ifndef PTYNAME2 #define PTYNAME2 "0123456789abcdefghijklmnopqrstuv"; #endif -const char *__libc_ptyname2 = PTYNAME2; +const char __libc_ptyname2[] = PTYNAME2; /* Open a master pseudo terminal and return its file descriptor. */ @@ -47,32 +47,31 @@ __getpt (void) char buf[sizeof (_PATH_PTY) + 2]; const char *p, *q; char *s; - - s = __stpcpy (buf, _PATH_PTY); - s[0] = '?'; - s[1] = '?'; - s[2] = 0; - for (p = __libc_ptyname1; *p; p++) + s = __mempcpy (buf, _PATH_PTY, sizeof (_PATH_PTY) - 1); + /* s[0] and s[1] will be filled in the loop. */ + s[2] = '\0'; + + for (p = __libc_ptyname1; *p != '\0'; ++p) { s[0] = *p; - for (q = __libc_ptyname2; *q; q++) + for (q = __libc_ptyname2; *q != '\0'; ++q) { int fd; - + s[1] = *q; - + fd = __open (buf, O_RDWR); if (fd != -1) { if (__isatty (fd)) return fd; - + __close (fd); continue; } - + if (errno != EIO) return -1; } |