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(print_esc): Support \x, \u, \U even if POSIXLY_CORRECT,

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since POSIX says the behavior is unspecified here.
(main): Recognize --help, --version even if
POSIXLY_CORRECT.  POSIX does not specify any options, but it
does not prohibit options either, so "printf" is like "expr" here.
This commit is contained in:
Jim Meyering
2004-06-15 18:00:35 +00:00
parent db2fa4fdcd
commit 5afcf8697f
1 changed files with 5 additions and 6 deletions
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src/printf.c
+5 -6
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@@ -241,7 +241,7 @@ print_esc (const char *escstart, bool octal_0)
int esc_value = 0; /* Value of \nnn escape. */
int esc_length; /* Length of \nnn escape. */
if (!posixly_correct && *p == 'x')
if (*p == 'x')
{
/* A hexadecimal \xhh escape sequence must have 1 or 2 hex. digits. */
for (esc_length = 0, ++p;
@@ -265,7 +265,7 @@ print_esc (const char *escstart, bool octal_0)
}
else if (*p && strchr ("\"\\abcfnrtv", *p))
print_esc_char (*p++);
else if (!posixly_correct && (*p == 'u' || *p == 'U'))
else if (*p == 'u' || *p == 'U')
{
char esc_char = *p;
unsigned int uni_value;
@@ -557,11 +557,10 @@ main (int argc, char **argv)
exit_status = 0;
/* Don't recognize --help or --version if POSIXLY_CORRECT is set. */
posixly_correct = (getenv ("POSIXLY_CORRECT") != NULL);
if (!posixly_correct)
parse_long_options (argc, argv, PROGRAM_NAME, GNU_PACKAGE, VERSION,
usage, AUTHORS, (char const *) NULL);
parse_long_options (argc, argv, PROGRAM_NAME, GNU_PACKAGE, VERSION,
usage, AUTHORS, (char const *) NULL);
/* The above handles --help and --version.
Since there is no other invocation of getopt, handle `--' here. */