+/* vi: set sw=4 ts=4: */
/* printf - format and print data
Copyright (C) 90, 91, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
to convert all of the given arguments.
David MacKenzie <djm@gnu.ai.mit.edu> */
-
+
// 19990508 Busy Boxed! Dave Cinege
-#include "internal.h"
#include <unistd.h>
#include <stdio.h>
#include <sys/types.h>
-#include <getopt.h>
-#include <sys/stat.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>
#include <fcntl.h>
#include <ctype.h>
-#include <libintl.h>
+#include "busybox.h"
#ifndef S_IFMT
-# define S_IFMT 0170000
+static const int S_IFMT = 0170000;
#endif
#if !defined(S_ISBLK) && defined(S_IFBLK)
# define S_ISBLK(m) (((m) & S_IFMT) == S_IFBLK)
#if !defined(S_ISSOCK) && defined(S_IFSOCK)
# define S_ISSOCK(m) (((m) & S_IFMT) == S_IFSOCK)
#endif
-#if !defined(S_ISMPB) && defined(S_IFMPB) /* V7 */
+#if !defined(S_ISMPB) && defined(S_IFMPB) /* V7 */
# define S_ISMPB(m) (((m) & S_IFMT) == S_IFMPB)
# define S_ISMPC(m) (((m) & S_IFMT) == S_IFMPC)
#endif
-#if !defined(S_ISNWK) && defined(S_IFNWK) /* HP/UX */
+#if !defined(S_ISNWK) && defined(S_IFNWK) /* HP/UX */
# define S_ISNWK(m) (((m) & S_IFMT) == S_IFNWK)
#endif
#define IN_CTYPE_DOMAIN(c) 1
-#ifdef isblank
-# define ISBLANK(c) (IN_CTYPE_DOMAIN (c) && isblank (c))
-#else
-# define ISBLANK(c) ((c) == ' ' || (c) == '\t')
-#endif
-#ifdef isgraph
-# define ISGRAPH(c) (IN_CTYPE_DOMAIN (c) && isgraph (c))
-#else
-# define ISGRAPH(c) (IN_CTYPE_DOMAIN (c) && isprint (c) && !isspace (c))
-#endif
-
-#define ISPRINT(c) (IN_CTYPE_DOMAIN (c) && isprint (c))
-#define ISALNUM(c) (IN_CTYPE_DOMAIN (c) && isalnum (c))
-#define ISALPHA(c) (IN_CTYPE_DOMAIN (c) && isalpha (c))
-#define ISCNTRL(c) (IN_CTYPE_DOMAIN (c) && iscntrl (c))
-#define ISLOWER(c) (IN_CTYPE_DOMAIN (c) && islower (c))
-#define ISPUNCT(c) (IN_CTYPE_DOMAIN (c) && ispunct (c))
-#define ISSPACE(c) (IN_CTYPE_DOMAIN (c) && isspace (c))
-#define ISUPPER(c) (IN_CTYPE_DOMAIN (c) && isupper (c))
#define ISXDIGIT(c) (IN_CTYPE_DOMAIN (c) && isxdigit (c))
#define ISDIGIT_LOCALE(c) (IN_CTYPE_DOMAIN (c) && isdigit (c))
-#define ISDIGIT(c) ((unsigned) (c) - '0' <= 9)
+#define ISDIGIT(c) (((unsigned char) (c)) - '0' <= 9)
#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 octtobin(c) ((c) - '0')
-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));
+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;
-static const char printf_usage[] = "printf format [argument...]\n";
-
-int
-printf_main(int argc, char** argv)
+int printf_main(int argc, char **argv)
{
- char *format;
- int args_used;
-
- exit_status = 0;
- if ( argc <= 1 || **(argv+1) == '-' ) {
- usage (printf_usage);
- }
-
- 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);
+ char *format;
+ int args_used;
+
+ exit_status = 0;
+ if (argc <= 1 || **(argv + 1) == '-') {
+ show_usage();
+ }
+
+ 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)
fprintf(stderr, "excess args ignored");
*/
- exit (exit_status);
+ return(exit_status);
}
/* Print the text in FORMAT, using ARGV (with ARGC elements) for
arguments to any `%' directives.
Return the number of elements of ARGV used. */
-static int
-print_formatted (char *format, int argc, char **argv)
+static int print_formatted(char *format, int argc, char **argv)
{
- int save_argc = argc; /* Preserve original value. */
- char *f; /* Pointer into `format'. */
- char *direc_start; /* Start of % directive. */
- size_t direc_length; /* Length of % directive. */
- int field_width; /* Arg to first '*', or -1 if none. */
- int precision; /* Arg to second '*', or -1 if none. */
-
- for (f = format; *f; ++f)
- {
- switch (*f)
- {
- case '%':
- direc_start = f++;
- direc_length = 1;
- field_width = precision = -1;
- if (*f == '%')
- {
- putchar ('%');
- break;
- }
- if (*f == 'b')
- {
- if (argc > 0)
- {
- print_esc_string (*argv);
- ++argv;
- --argc;
- }
- break;
- }
- if (strchr ("-+ #", *f))
- {
- ++f;
- ++direc_length;
- }
- if (*f == '*')
- {
- ++f;
- ++direc_length;
- if (argc > 0)
- {
- field_width = xstrtoul (*argv);
- ++argv;
- --argc;
- }
- else
- field_width = 0;
- }
- else
- while (ISDIGIT (*f))
- {
- ++f;
- ++direc_length;
- }
- if (*f == '.')
- {
- ++f;
- ++direc_length;
- if (*f == '*')
- {
- ++f;
- ++direc_length;
- if (argc > 0)
- {
- precision = xstrtoul (*argv);
- ++argv;
- --argc;
- }
- else
- precision = 0;
+ int save_argc = argc; /* Preserve original value. */
+ char *f; /* Pointer into `format'. */
+ char *direc_start; /* Start of % directive. */
+ size_t direc_length; /* Length of % directive. */
+ int field_width; /* Arg to first '*', or -1 if none. */
+ int precision; /* Arg to second '*', or -1 if none. */
+
+ for (f = format; *f; ++f) {
+ switch (*f) {
+ case '%':
+ direc_start = f++;
+ direc_length = 1;
+ field_width = precision = -1;
+ if (*f == '%') {
+ putchar('%');
+ break;
+ }
+ if (*f == 'b') {
+ if (argc > 0) {
+ print_esc_string(*argv);
+ ++argv;
+ --argc;
+ }
+ break;
+ }
+ if (strchr("-+ #", *f)) {
+ ++f;
+ ++direc_length;
+ }
+ if (*f == '*') {
+ ++f;
+ ++direc_length;
+ if (argc > 0) {
+ field_width = xstrtoul(*argv);
+ ++argv;
+ --argc;
+ } else
+ field_width = 0;
+ } else
+ while (ISDIGIT(*f)) {
+ ++f;
+ ++direc_length;
+ }
+ if (*f == '.') {
+ ++f;
+ ++direc_length;
+ if (*f == '*') {
+ ++f;
+ ++direc_length;
+ if (argc > 0) {
+ precision = xstrtoul(*argv);
+ ++argv;
+ --argc;
+ } else
+ precision = 0;
+ } else
+ while (ISDIGIT(*f)) {
+ ++f;
+ ++direc_length;
+ }
+ }
+ if (*f == 'l' || *f == 'L' || *f == 'h') {
+ ++f;
+ ++direc_length;
+ }
+ /*
+ if (!strchr ("diouxXfeEgGcs", *f))
+ fprintf(stderr, "%%%c: invalid directive", *f);
+ */
+ ++direc_length;
+ if (argc > 0) {
+ print_direc(direc_start, direc_length, field_width,
+ precision, *argv);
+ ++argv;
+ --argc;
+ } else
+ print_direc(direc_start, direc_length, field_width,
+ precision, "");
+ break;
+
+ case '\\':
+ f += print_esc(f);
+ break;
+
+ default:
+ putchar(*f);
}
- else
- while (ISDIGIT (*f))
- {
- ++f;
- ++direc_length;
- }
- }
- if (*f == 'l' || *f == 'L' || *f == 'h')
- {
- ++f;
- ++direc_length;
- }
- /*
- if (!strchr ("diouxXfeEgGcs", *f))
- fprintf(stderr, "%%%c: invalid directive", *f);
- */
- ++direc_length;
- if (argc > 0)
- {
- print_direc (direc_start, direc_length, field_width,
- precision, *argv);
- ++argv;
- --argc;
- }
- else
- print_direc (direc_start, direc_length, field_width,
- precision, "");
- break;
-
- case '\\':
- f += print_esc (f);
- break;
-
- default:
- putchar (*f);
}
- }
- return save_argc - argc;
+ 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)
+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);
+ 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)
fprintf(stderr, "missing hex in esc");
*/
- 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++);
+ 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
fprintf(stderr, "\\%c: invalid esc", *p);
*/
- return p - escstart - 1;
+ return p - escstart - 1;
}
/* Output a single-character \ escape. */
-static void
-print_esc_char (int c)
+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;
- }
+ 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)
+static void print_esc_string(char *str)
{
- for (; *str; str++)
- if (*str == '\\')
- str += print_esc (str);
- else
- putchar (*str);
+ for (; *str; str++)
+ if (*str == '\\')
+ str += print_esc(str);
+ else
+ putchar(*str);
}
static void
-print_direc (char *start, size_t length, int field_width, int precision, char *argument)
+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);
+ 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;
}
- break;
- }
- free (p);
+ free(p);
}
-static unsigned long
-xstrtoul (char *s)
+static unsigned long xstrtoul(char *s)
{
- char *end;
- unsigned long val;
+ char *end;
+ unsigned long val;
- errno = 0;
- val = strtoul (s, &end, 0);
- verify (s, end);
- return val;
+ errno = 0;
+ val = strtoul(s, &end, 0);
+ verify(s, end);
+ return val;
}
-static long
-xstrtol (char *s)
+static long xstrtol(char *s)
{
- char *end;
- long val;
+ char *end;
+ long val;
- errno = 0;
- val = strtol (s, &end, 0);
- verify (s, end);
- return val;
+ errno = 0;
+ val = strtol(s, &end, 0);
+ verify(s, end);
+ return val;
}
-static double
-xstrtod (char *s)
+static double xstrtod(char *s)
{
- char *end;
- double val;
+ char *end;
+ double val;
- errno = 0;
- val = strtod (s, &end);
- verify (s, end);
- return val;
+ errno = 0;
+ val = strtod(s, &end);
+ verify(s, end);
+ return val;
}
-static void
-verify (char *s, char *end)
+static void verify(char *s, char *end)
{
- if (errno)
- {
- fprintf(stderr, "%s", s);
- exit_status = 1;
- }
- else if (*end)
- {
- /*
- if (s == end)
- fprintf(stderr, "%s: expected numeric", s);
- else
- fprintf(stderr, "%s: not completely converted", s);
- */
- exit_status = 1;
- }
+ if (errno) {
+ fprintf(stderr, "%s", s);
+ exit_status = 1;
+ } else if (*end) {
+ /*
+ if (s == end)
+ fprintf(stderr, "%s: expected numeric", s);
+ else
+ fprintf(stderr, "%s: not completely converted", s);
+ */
+ exit_status = 1;
+ }
}
-
projects / oweals / busybox.git / blobdiff