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| author | Gregory Nutt <gnutt@nuttx.org> | 2014-01-20 13:13:36 -0600 |
|---|---|---|
| committer | Gregory Nutt <gnutt@nuttx.org> | 2014-01-20 13:13:36 -0600 |
| commit | 8d9d900abe1f1f70532ddcb9472b7ebb85af5a37 (patch) | |
| tree | f2f1f92ae4eefefcdce81eb92345ac2c6aef9329 /nuttx | |
| parent | 961781de129e7c63402cee78590d2d2d24b09b10 (diff) | |
| download | nuttx-8d9d900abe1f1f70532ddcb9472b7ebb85af5a37.tar.gz nuttx-8d9d900abe1f1f70532ddcb9472b7ebb85af5a37.tar.bz2 nuttx-8d9d900abe1f1f70532ddcb9472b7ebb85af5a37.zip | |
getopt(): Could leave optind in undefined state if argc == 1
Diffstat (limited to 'nuttx')
| -rw-r--r-- | nuttx/ChangeLog | 2 | ||||
| -rw-r--r-- | nuttx/libc/unistd/lib_getopt.c | 4 |
2 files changed, 6 insertions, 0 deletions
diff --git a/nuttx/ChangeLog b/nuttx/ChangeLog index 8673c594f..51378242f 100644 --- a/nuttx/ChangeLog +++ b/nuttx/ChangeLog @@ -6485,4 +6485,6 @@ compiler option when building for a 32-bit target on a native 64-bit compiler (2014-1-18). * include/ctype.h: Typo in macro name: iscntrol, not iscontrol (2104-1-17) + * libc/unistd/lib_getopt.c: If there are no arguments (argc == 1), then + getopt() make like the optind variable in an undefined state (2014-1-20). diff --git a/nuttx/libc/unistd/lib_getopt.c b/nuttx/libc/unistd/lib_getopt.c index 1a9190976..4399e6140 100644 --- a/nuttx/libc/unistd/lib_getopt.c +++ b/nuttx/libc/unistd/lib_getopt.c @@ -264,6 +264,10 @@ int getopt(int argc, FAR char *const argv[], FAR const char *optstring) return noarg_ret; } + /* Restore the initial, uninitialized state */ + g_binitialized = false; + optind = 1; + optopt = '?'; return ERROR; } |