JehanneOS/mksh
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• add -u option (POSIX: unbuffered ⇒ nop) to the built-in cat

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• PIPESTATUS now supported (like bash 2) whose last member
  may actually differ from $? since the latter may not be the
  result of a pipeline partial command
• add regression tests, documentation, etc.
This commit is contained in:
tg
2011-02-18 22:26:13 +00:00
parent 36d41ed9ee
commit 0b57abd4d3
7 changed files with 130 additions and 38 deletions
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22
funcs.c
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@ -38,7 +38,7 @@
#endif
#endif
__RCSID("$MirOS: src/bin/mksh/funcs.c,v 1.171 2011/02/13 21:13:06 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/funcs.c,v 1.172 2011/02/18 22:26:08 tg Exp $");
#if HAVE_KILLPG
/*
@ -3599,7 +3599,7 @@ c_realpath(const char **wp)
int
c_cat(const char **wp)
{
int fd = STDIN_FILENO, rv = 0;
int fd = STDIN_FILENO, rv;
ssize_t n, w;
const char *fn = "<stdin>";
char *buf, *cp;
@ -3611,11 +3611,19 @@ c_cat(const char **wp)
return (1);
}
/* skip argv[0] */
++wp;
if (wp[0] && !strcmp(wp[0], "--"))
/* skip "--" (options separator) */
++wp;
/* parse options: POSIX demands we support "-u" as no-op */
while ((rv = ksh_getopt(wp, &builtin_opt, "u")) != -1) {
switch (rv) {
case 'u':
/* we already operate unbuffered */
break;
default:
bi_errorf(T_synerr);
return (1);
}
}
wp += builtin_opt.optind;
rv = 0;
do {
if (*wp) {