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Allow 'gzip -d' and 'bzip2 -d' without gunzip or bunzip2
[oweals/busybox.git]
/
coreutils
/
cal.c
diff --git
a/coreutils/cal.c
b/coreutils/cal.c
index 35a563145ce4cd10b64698743aee3044ae150e8e..af02608f035d58eb1f2f7162c2c5aeae403f0638 100644
(file)
--- a/
coreutils/cal.c
+++ b/
coreutils/cal.c
@@
-4,20
+4,36
@@
*
* See original copyright at the end of this file
*
*
* See original copyright at the end of this file
*
- * Licensed under GPLv2 or later, see file LICENSE in this
tarball for details
.
+ * Licensed under GPLv2 or later, see file LICENSE in this
source tree
.
*/
*/
+/* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
+ *
+ * Major size reduction... over 50% (>1.5k) on i386.
+ */
+//config:config CAL
+//config: bool "cal"
+//config: default y
+//config: help
+//config: cal is used to display a monthly calendar.
+
+//applet:IF_CAL(APPLET(cal, BB_DIR_USR_BIN, BB_SUID_DROP))
+
+//kbuild:lib-$(CONFIG_CAL) += cal.o
/* BB_AUDIT SUSv3 compliant with -j and -y extensions (from util-linux). */
/* BB_AUDIT BUG: The output of 'cal -j 1752' is incorrect. The upstream
* BB_AUDIT BUG: version in util-linux seems to be broken as well. */
/* http://www.opengroup.org/onlinepubs/007904975/utilities/cal.html */
/* BB_AUDIT SUSv3 compliant with -j and -y extensions (from util-linux). */
/* BB_AUDIT BUG: The output of 'cal -j 1752' is incorrect. The upstream
* BB_AUDIT BUG: version in util-linux seems to be broken as well. */
/* http://www.opengroup.org/onlinepubs/007904975/utilities/cal.html */
-/* Mar 16, 2003 Manuel Novoa III (mjn3@codepoet.org)
- *
- * Major size reduction... over 50% (>1.5k) on i386.
- */
+//usage:#define cal_trivial_usage
+//usage: "[-jy] [[MONTH] YEAR]"
+//usage:#define cal_full_usage "\n\n"
+//usage: "Display a calendar\n"
+//usage: "\n -j Use julian dates"
+//usage: "\n -y Display the entire year"
#include "libbb.h"
#include "libbb.h"
+#include "unicode.h"
/* We often use "unsigned" intead of "int", it's easier to div on most CPUs */
/* We often use "unsigned" intead of "int", it's easier to div on most CPUs */
@@
-35,12
+51,13
@@
static const unsigned char days_in_month[] ALIGN1 = {
};
static const unsigned char sep1752[] ALIGN1 = {
};
static const unsigned char sep1752[] ALIGN1 = {
-
1,
2, 14, 15, 16,
+
1,
2, 14, 15, 16,
17, 18, 19, 20, 21, 22, 23,
24, 25, 26, 27, 28, 29, 30
};
17, 18, 19, 20, 21, 22, 23,
24, 25, 26, 27, 28, 29, 30
};
-static unsigned julian;
+/* Set to 0 or 1 in main */
+#define julian ((unsigned)option_mask32)
/* leap year -- account for Gregorian reformation in 1752 */
static int leap_year(unsigned yr)
/* leap year -- account for Gregorian reformation in 1752 */
static int leap_year(unsigned yr)
@@
-75,37
+92,47
@@
static char *build_row(char *p, unsigned *dp);
#define J_WEEK_LEN (WEEK_LEN + 7)
#define HEAD_SEP 2 /* spaces between day headings */
#define J_WEEK_LEN (WEEK_LEN + 7)
#define HEAD_SEP 2 /* spaces between day headings */
-int cal_main(int argc, char **argv);
-int cal_main(int argc, char **argv)
+int cal_main(int argc, char **argv)
MAIN_EXTERNALLY_VISIBLE
;
+int cal_main(int argc
UNUSED_PARAM
, char **argv)
{
{
- struct tm *local_time;
struct tm zero_tm;
time_t now;
unsigned month, year, flags, i;
char *month_names[12];
struct tm zero_tm;
time_t now;
unsigned month, year, flags, i;
char *month_names[12];
- char day_headings[28]; /* 28 for julian, 21 for nonjulian */
+ /* normal heading: */
+ /* "Su Mo Tu We Th Fr Sa" */
+ /* -j heading: */
+ /* " Su Mo Tu We Th Fr Sa" */
+ char day_headings[ENABLE_UNICODE_SUPPORT ? 28 * 6 : 28];
+ IF_UNICODE_SUPPORT(char *hp = day_headings;)
char buf[40];
char buf[40];
+ init_unicode();
+
flags = getopt32(argv, "jy");
flags = getopt32(argv, "jy");
- julian = flags & 1;
+ /* This sets julian = flags & 1: */
+ option_mask32 &= 1;
month = 0;
argv += optind;
month = 0;
argv += optind;
- argc -= optind;
- if (argc > 2) {
- bb_show_usage();
- }
+ if (!argv[0]) {
+ struct tm *ptm;
- if (!argc) {
time(&now);
time(&now);
-
local_time
= localtime(&now);
- year =
local_time
->tm_year + 1900;
- if (!(flags & 2)) {
- month =
local_time
->tm_mon + 1;
+
ptm
= localtime(&now);
+ year =
ptm
->tm_year + 1900;
+ if (!(flags & 2)) {
/* no -y */
+ month =
ptm
->tm_mon + 1;
}
} else {
}
} else {
- if (argc == 2) {
- month = xatou_range(*argv++, 1, 12);
+ if (argv[1]) {
+ if (argv[2]) {
+ bb_show_usage();
+ }
+ if (!(flags & 2)) { /* no -y */
+ month = xatou_range(*argv, 1, 12);
+ }
+ argv++;
}
year = xatou_range(*argv, 1, 9999);
}
}
year = xatou_range(*argv, 1, 9999);
}
@@
-115,15
+142,30
@@
int cal_main(int argc, char **argv)
i = 0;
do {
zero_tm.tm_mon = i;
i = 0;
do {
zero_tm.tm_mon = i;
+ /* full month name according to locale */
strftime(buf, sizeof(buf), "%B", &zero_tm);
month_names[i] = xstrdup(buf);
if (i < 7) {
zero_tm.tm_wday = i;
strftime(buf, sizeof(buf), "%B", &zero_tm);
month_names[i] = xstrdup(buf);
if (i < 7) {
zero_tm.tm_wday = i;
+ /* abbreviated weekday name according to locale */
strftime(buf, sizeof(buf), "%a", &zero_tm);
strftime(buf, sizeof(buf), "%a", &zero_tm);
+#if ENABLE_UNICODE_SUPPORT
+ if (julian)
+ *hp++ = ' ';
+ {
+ char *two_wchars = unicode_conv_to_printable_fixedwidth(/*NULL,*/ buf, 2);
+ strcpy(hp, two_wchars);
+ free(two_wchars);
+ }
+ hp += strlen(hp);
+ *hp++ = ' ';
+#else
strncpy(day_headings + i * (3+julian) + julian, buf, 2);
strncpy(day_headings + i * (3+julian) + julian, buf, 2);
+#endif
}
} while (++i < 12);
}
} while (++i < 12);
+ IF_UNICODE_SUPPORT(hp[-1] = '\0';)
if (month) {
unsigned row, len, days[MAXDAYS];
if (month) {
unsigned row, len, days[MAXDAYS];
@@
-131,10
+173,10
@@
int cal_main(int argc, char **argv)
char lineout[30];
day_array(month, year, dp);
char lineout[30];
day_array(month, year, dp);
- len = sprintf(lineout, "%s %
d
", month_names[month - 1], year);
+ len = sprintf(lineout, "%s %
u
", month_names[month - 1], year);
printf("%*s%s\n%s\n",
printf("%*s%s\n%s\n",
- ((7*julian + WEEK_LEN) - len) / 2, "",
- lineout, day_headings);
+
((7*julian + WEEK_LEN) - len) / 2, "",
+
lineout, day_headings);
for (row = 0; row < 6; row++) {
build_row(lineout, dp)[0] = '\0';
dp += 7;
for (row = 0; row < 6; row++) {
build_row(lineout, dp)[0] = '\0';
dp += 7;
@@
-145,12
+187,13
@@
int cal_main(int argc, char **argv)
unsigned *dp;
char lineout[80];
unsigned *dp;
char lineout[80];
- sprintf(lineout, "%
d
", year);
+ sprintf(lineout, "%
u
", year);
center(lineout,
center(lineout,
- (WEEK_LEN * 3 + HEAD_SEP * 2)
- + julian * (J_WEEK_LEN * 2 + HEAD_SEP
- - (WEEK_LEN * 3 + HEAD_SEP * 2)),
- 0);
+ (WEEK_LEN * 3 + HEAD_SEP * 2)
+ + julian * (J_WEEK_LEN * 2 + HEAD_SEP
+ - (WEEK_LEN * 3 + HEAD_SEP * 2)),
+ 0
+ );
puts("\n"); /* two \n's */
for (i = 0; i < 12; i++) {
day_array(i + 1, year, days[i]);
puts("\n"); /* two \n's */
for (i = 0; i < 12; i++) {
day_array(i + 1, year, days[i]);
@@
-167,7
+210,7
@@
int cal_main(int argc, char **argv)
if (!julian) {
printf("%*s%s", HEAD_SEP, "", day_headings);
}
if (!julian) {
printf("%*s%s", HEAD_SEP, "", day_headings);
}
- putchar('\n');
+
bb_
putchar('\n');
for (row = 0; row < (6*7); row += 7) {
for (which_cal = 0; which_cal < 3-julian; which_cal++) {
dp = days[month + which_cal] + row;
for (row = 0; row < (6*7); row += 7) {
for (which_cal = 0; which_cal < 3-julian; which_cal++) {
dp = days[month + which_cal] + row;
@@
-179,7
+222,7
@@
int cal_main(int argc, char **argv)
}
}
}
}
- fflush_stdout_and_exit(
0
);
+ fflush_stdout_and_exit(
EXIT_SUCCESS
);
}
/*
}
/*
@@
-260,7
+303,7
@@
static void trim_trailing_spaces_and_print(char *s)
}
while (p != s) {
--p;
}
while (p != s) {
--p;
- if (!
(isspace)(*p)) { /* We want the function... not the inline. */
+ if (!
isspace(*p)) {
p[1] = '\0';
break;
}
p[1] = '\0';
break;
}