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Sync with current upstream getopt_long.c.

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Change-Id: I269195aa581a688fd3eb99552d506b8f5f6a8395
This commit is contained in:
Elliott Hughes 2014-09-24 12:39:34 -07:00
parent f05410edc6
commit af12924f67
1 changed files with 16 additions and 22 deletions
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38
libc/upstream-freebsd/lib/libc/stdlib/getopt_long.c
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@ -1,4 +1,4 @@
/* $OpenBSD: getopt_long.c,v 1.22 2006/10/04 21:29:04 jmc Exp $ */
/* $OpenBSD: getopt_long.c,v 1.26 2013/06/08 22:47:56 millert Exp $ */
/* $NetBSD: getopt_long.c,v 1.15 2002/01/31 22:43:40 tv Exp $ */
/*
@ -248,7 +248,7 @@ parse_long_options(char * const *nargv, const char *options,
if (short_too && current_argv_len == 1)
continue;
if (match == -1) /* first partial match */
if (match == -1) /* first partial match */
match = i;
else if ((flags & FLAG_LONGONLY) ||
long_options[i].has_arg !=
@ -359,30 +359,11 @@ getopt_internal(int nargc, char * const *nargv, const char *options,
{
char *oli; /* option letter list index */
int optchar, short_too;
int posixly_correct; /* no static, can be changed on the fly */
static int posixly_correct = -1;
if (options == NULL)
return (-1);
/*
* Disable GNU extensions if POSIXLY_CORRECT is set or options
* string begins with a '+'.
*/
posixly_correct = (getenv("POSIXLY_CORRECT") != NULL);
#ifdef GNU_COMPATIBLE
if (*options == '-')
flags |= FLAG_ALLARGS;
else if (posixly_correct || *options == '+')
flags &= ~FLAG_PERMUTE;
#else
if (posixly_correct || *options == '+')
flags &= ~FLAG_PERMUTE;
else if (*options == '-')
flags |= FLAG_ALLARGS;
#endif
if (*options == '+' || *options == '-')
options++;
/*
* XXX Some GNU programs (like cvs) set optind to 0 instead of
* XXX using optreset. Work around this braindamage.
@ -390,6 +371,19 @@ getopt_internal(int nargc, char * const *nargv, const char *options,
if (optind == 0)
optind = optreset = 1;
/*
* Disable GNU extensions if POSIXLY_CORRECT is set or options
* string begins with a '+'.
*/
if (posixly_correct == -1 || optreset)
posixly_correct = (getenv("POSIXLY_CORRECT") != NULL);
if (*options == '-')
flags |= FLAG_ALLARGS;
else if (posixly_correct || *options == '+')
flags &= ~FLAG_PERMUTE;
if (*options == '+' || *options == '-')
options++;
optarg = NULL;
if (optreset)
nonopt_start = nonopt_end = -1;