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mirror of git://git.sv.gnu.org/coreutils.git synced 2026-08-05 08:10:15 +02:00

Reorder functions to obviate forward decls.

This commit is contained in:
Jim Meyering
1997-04-06 19:30:07 +00:00
parent 00ea088ccd
commit 39b444e420
+267 -276
View File
@@ -59,21 +59,12 @@ unsigned long strtoul ();
#endif
#define isodigit(c) ((c) >= '0' && (c) <= '7')
#define hextobin(c) ((c)>='a'&&(c)<='f' ? (c)-'a'+10 : (c)>='A'&&(c)<='F' ? (c)-'A'+10 : (c)-'0')
#define hextobin(c) ((c) >= 'a' && (c) <= 'f' ? (c) - 'a' + 10 : \
(c) >= 'A' && (c) <= 'F' ? (c) - 'A' + 10 : (c) - '0')
#define octtobin(c) ((c) - '0')
char *xmalloc ();
static double xstrtod __P ((char *s));
static int print_esc __P ((char *escstart));
static int print_formatted __P ((char *format, int argc, char **argv));
static long xstrtol __P ((char *s));
static unsigned long xstrtoul __P ((char *s));
static void print_direc __P ((char *start, size_t length, int field_width, int precision, char *argument));
static void print_esc_char __P ((int c));
static void print_esc_string __P ((char *str));
static void verify __P ((char *s, char *end));
/* The value to return to the calling program. */
static int exit_status;
@@ -125,45 +116,244 @@ ARGUMENTs converted to proper type first. Variable widths are handled.\n\
exit (status);
}
int
main (int argc, char **argv)
static void
verify (const char *s, const char *end)
{
char *format;
int args_used;
program_name = argv[0];
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
exit_status = 0;
/* Don't recognize --help or --version if POSIXLY_CORRECT is set. */
if (getenv ("POSIXLY_CORRECT") == NULL)
parse_long_options (argc, argv, "printf", GNU_PACKAGE, VERSION, usage);
if (argc == 1)
if (errno)
{
fprintf (stderr, _("Usage: %s format [argument...]\n"), program_name);
exit (1);
error (0, errno, "%s", s);
exit_status = 1;
}
else if (*end)
{
if (s == end)
error (0, 0, _("%s: expected a numeric value"), s);
else
error (0, 0, _("%s: value not completely converted"), s);
exit_status = 1;
}
}
static unsigned long
xstrtoul (const char *s)
{
char *end;
unsigned long val;
errno = 0;
val = strtoul (s, &end, 0);
verify (s, end);
return val;
}
static long
xstrtol (const char *s)
{
char *end;
long val;
errno = 0;
val = strtol (s, &end, 0);
verify (s, end);
return val;
}
static double
xstrtod (const char *s)
{
char *end;
double val;
errno = 0;
val = strtod (s, &end);
verify (s, end);
return val;
}
/* Output a single-character \ escape. */
static void
print_esc_char (int c)
{
switch (c)
{
case 'a': /* Alert. */
putchar (7);
break;
case 'b': /* Backspace. */
putchar (8);
break;
case 'c': /* Cancel the rest of the output. */
exit (0);
break;
case 'f': /* Form feed. */
putchar (12);
break;
case 'n': /* New line. */
putchar (10);
break;
case 'r': /* Carriage return. */
putchar (13);
break;
case 't': /* Horizontal tab. */
putchar (9);
break;
case 'v': /* Vertical tab. */
putchar (11);
break;
default:
putchar (c);
break;
}
}
/* Print a \ escape sequence starting at ESCSTART.
Return the number of characters in the escape sequence
besides the backslash. */
static int
print_esc (char *escstart)
{
register char *p = escstart + 1;
int esc_value = 0; /* Value of \nnn escape. */
int esc_length; /* Length of \nnn escape. */
/* \0ooo and \xhhh escapes have maximum length of 3 chars. */
if (*p == 'x')
{
for (esc_length = 0, ++p;
esc_length < 3 && ISXDIGIT (*p);
++esc_length, ++p)
esc_value = esc_value * 16 + hextobin (*p);
if (esc_length == 0)
error (1, 0, _("missing hexadecimal number in escape"));
putchar (esc_value);
}
else if (*p == '0')
{
for (esc_length = 0, ++p;
esc_length < 3 && isodigit (*p);
++esc_length, ++p)
esc_value = esc_value * 8 + octtobin (*p);
putchar (esc_value);
}
else if (strchr ("\"\\abcfnrtv", *p))
print_esc_char (*p++);
else
error (1, 0, _("\\%c: invalid escape"), *p);
return p - escstart - 1;
}
/* Print string STR, evaluating \ escapes. */
static void
print_esc_string (char *str)
{
for (; *str; str++)
if (*str == '\\')
str += print_esc (str);
else
putchar (*str);
}
/* Output a % directive. START is the start of the directive,
LENGTH is its length, and ARGUMENT is its argument.
If FIELD_WIDTH or PRECISION is non-negative, they are args for
'*' values in those fields. */
static void
print_direc (char *start, size_t length, int field_width, int precision, char *argument)
{
char *p; /* Null-terminated copy of % directive. */
p = xmalloc ((unsigned) (length + 1));
strncpy (p, start, length);
p[length] = 0;
switch (p[length - 1])
{
case 'd':
case 'i':
if (field_width < 0)
{
if (precision < 0)
printf (p, xstrtol (argument));
else
printf (p, precision, xstrtol (argument));
}
else
{
if (precision < 0)
printf (p, field_width, xstrtol (argument));
else
printf (p, field_width, precision, xstrtol (argument));
}
break;
case 'o':
case 'u':
case 'x':
case 'X':
if (field_width < 0)
{
if (precision < 0)
printf (p, xstrtoul (argument));
else
printf (p, precision, xstrtoul (argument));
}
else
{
if (precision < 0)
printf (p, field_width, xstrtoul (argument));
else
printf (p, field_width, precision, xstrtoul (argument));
}
break;
case 'f':
case 'e':
case 'E':
case 'g':
case 'G':
if (field_width < 0)
{
if (precision < 0)
printf (p, xstrtod (argument));
else
printf (p, precision, xstrtod (argument));
}
else
{
if (precision < 0)
printf (p, field_width, xstrtod (argument));
else
printf (p, field_width, precision, xstrtod (argument));
}
break;
case 'c':
printf (p, *argument);
break;
case 's':
if (field_width < 0)
{
if (precision < 0)
printf (p, argument);
else
printf (p, precision, argument);
}
else
{
if (precision < 0)
printf (p, field_width, argument);
else
printf (p, field_width, precision, argument);
}
break;
}
format = argv[1];
argc -= 2;
argv += 2;
do
{
args_used = print_formatted (format, argc, argv);
argc -= args_used;
argv += args_used;
}
while (args_used > 0 && argc > 0);
if (argc > 0)
error (0, 0, _("warning: excess arguments have been ignored"));
exit (exit_status);
free (p);
}
/* Print the text in FORMAT, using ARGV (with ARGC elements) for
@@ -283,242 +473,43 @@ print_formatted (char *format, int argc, char **argv)
return save_argc - argc;
}
/* Print a \ escape sequence starting at ESCSTART.
Return the number of characters in the escape sequence
besides the backslash. */
static int
print_esc (char *escstart)
int
main (int argc, char **argv)
{
register char *p = escstart + 1;
int esc_value = 0; /* Value of \nnn escape. */
int esc_length; /* Length of \nnn escape. */
char *format;
int args_used;
/* \0ooo and \xhhh escapes have maximum length of 3 chars. */
if (*p == 'x')
program_name = argv[0];
setlocale (LC_ALL, "");
bindtextdomain (PACKAGE, LOCALEDIR);
textdomain (PACKAGE);
exit_status = 0;
/* Don't recognize --help or --version if POSIXLY_CORRECT is set. */
if (getenv ("POSIXLY_CORRECT") == NULL)
parse_long_options (argc, argv, "printf", GNU_PACKAGE, VERSION, usage);
if (argc == 1)
{
for (esc_length = 0, ++p;
esc_length < 3 && ISXDIGIT (*p);
++esc_length, ++p)
esc_value = esc_value * 16 + hextobin (*p);
if (esc_length == 0)
error (1, 0, _("missing hexadecimal number in escape"));
putchar (esc_value);
}
else if (*p == '0')
{
for (esc_length = 0, ++p;
esc_length < 3 && isodigit (*p);
++esc_length, ++p)
esc_value = esc_value * 8 + octtobin (*p);
putchar (esc_value);
}
else if (strchr ("\"\\abcfnrtv", *p))
print_esc_char (*p++);
else
error (1, 0, _("\\%c: invalid escape"), *p);
return p - escstart - 1;
}
/* Output a single-character \ escape. */
static void
print_esc_char (int c)
{
switch (c)
{
case 'a': /* Alert. */
putchar (7);
break;
case 'b': /* Backspace. */
putchar (8);
break;
case 'c': /* Cancel the rest of the output. */
exit (0);
break;
case 'f': /* Form feed. */
putchar (12);
break;
case 'n': /* New line. */
putchar (10);
break;
case 'r': /* Carriage return. */
putchar (13);
break;
case 't': /* Horizontal tab. */
putchar (9);
break;
case 'v': /* Vertical tab. */
putchar (11);
break;
default:
putchar (c);
break;
}
}
/* Print string STR, evaluating \ escapes. */
static void
print_esc_string (char *str)
{
for (; *str; str++)
if (*str == '\\')
str += print_esc (str);
else
putchar (*str);
}
/* Output a % directive. START is the start of the directive,
LENGTH is its length, and ARGUMENT is its argument.
If FIELD_WIDTH or PRECISION is non-negative, they are args for
'*' values in those fields. */
static void
print_direc (char *start, size_t length, int field_width, int precision, char *argument)
{
char *p; /* Null-terminated copy of % directive. */
p = xmalloc ((unsigned) (length + 1));
strncpy (p, start, length);
p[length] = 0;
switch (p[length - 1])
{
case 'd':
case 'i':
if (field_width < 0)
{
if (precision < 0)
printf (p, xstrtol (argument));
else
printf (p, precision, xstrtol (argument));
}
else
{
if (precision < 0)
printf (p, field_width, xstrtol (argument));
else
printf (p, field_width, precision, xstrtol (argument));
}
break;
case 'o':
case 'u':
case 'x':
case 'X':
if (field_width < 0)
{
if (precision < 0)
printf (p, xstrtoul (argument));
else
printf (p, precision, xstrtoul (argument));
}
else
{
if (precision < 0)
printf (p, field_width, xstrtoul (argument));
else
printf (p, field_width, precision, xstrtoul (argument));
}
break;
case 'f':
case 'e':
case 'E':
case 'g':
case 'G':
if (field_width < 0)
{
if (precision < 0)
printf (p, xstrtod (argument));
else
printf (p, precision, xstrtod (argument));
}
else
{
if (precision < 0)
printf (p, field_width, xstrtod (argument));
else
printf (p, field_width, precision, xstrtod (argument));
}
break;
case 'c':
printf (p, *argument);
break;
case 's':
if (field_width < 0)
{
if (precision < 0)
printf (p, argument);
else
printf (p, precision, argument);
}
else
{
if (precision < 0)
printf (p, field_width, argument);
else
printf (p, field_width, precision, argument);
}
break;
fprintf (stderr, _("Usage: %s format [argument...]\n"), program_name);
exit (1);
}
free (p);
}
format = argv[1];
argc -= 2;
argv += 2;
static unsigned long
xstrtoul (char *s)
{
char *end;
unsigned long val;
errno = 0;
val = strtoul (s, &end, 0);
verify (s, end);
return val;
}
static long
xstrtol (char *s)
{
char *end;
long val;
errno = 0;
val = strtol (s, &end, 0);
verify (s, end);
return val;
}
static double
xstrtod (char *s)
{
char *end;
double val;
errno = 0;
val = strtod (s, &end);
verify (s, end);
return val;
}
static void
verify (char *s, char *end)
{
if (errno)
do
{
error (0, errno, "%s", s);
exit_status = 1;
}
else if (*end)
{
if (s == end)
error (0, 0, _("%s: expected a numeric value"), s);
else
error (0, 0, _("%s: value not completely converted"), s);
exit_status = 1;
args_used = print_formatted (format, argc, argv);
argc -= args_used;
argv += args_used;
}
while (args_used > 0 && argc > 0);
if (argc > 0)
error (0, 0, _("warning: excess arguments have been ignored"));
exit (exit_status);
}