Some formatting updates (ran the code through indent)

-Erik
This commit is contained in:
Erik Andersen
2000-02-08 19:58:47 +00:00
parent c0bf817bbc
commit e49d5ecbbe
163 changed files with 27109 additions and 26607 deletions

View File

@@ -1,3 +1,4 @@
/* vi: set sw=4 ts=4: */
/*
* Mini date implementation for busybox
*
@@ -38,12 +39,13 @@
an RFC 822 complient date output for shell scripting
mail commands */
static const char date_usage[] = "date [OPTION]... [+FORMAT]\n"
" or: date [OPTION] [MMDDhhmm[[CC]YY][.ss]]\n\n"
"Display the current time in the given FORMAT, or set the system date.\n"
"\nOptions:\n\t-R\t\toutput RFC-822 compliant date string\n"
"\t-s\t\tset time described by STRING\n"
"\t-u\t\tprint or set Coordinated Universal Time\n";
static const char date_usage[] = "date [OPTION]... [+FORMAT]\n"
" or: date [OPTION] [MMDDhhmm[[CC]YY][.ss]]\n\n"
"Display the current time in the given FORMAT, or set the system date.\n"
"\nOptions:\n\t-R\t\toutput RFC-822 compliant date string\n"
"\t-s\t\tset time described by STRING\n"
"\t-u\t\tprint or set Coordinated Universal Time\n";
/* Input parsing code is always bulky - used heavy duty libc stuff as
@@ -51,240 +53,233 @@ static const char date_usage[] = "date [OPTION]... [+FORMAT]\n"
/* Default input handling to save suprising some people */
struct tm *
date_conv_time(struct tm *tm_time, const char *t_string) {
int nr;
struct tm *date_conv_time(struct tm *tm_time, const char *t_string)
{
int nr;
nr = sscanf(t_string, "%2d%2d%2d%2d%d",
&(tm_time->tm_mon),
&(tm_time->tm_mday),
&(tm_time->tm_hour),
&(tm_time->tm_min),
&(tm_time->tm_year));
nr = sscanf(t_string, "%2d%2d%2d%2d%d",
&(tm_time->tm_mon),
&(tm_time->tm_mday),
&(tm_time->tm_hour),
&(tm_time->tm_min), &(tm_time->tm_year));
if(nr < 4 || nr > 5) {
fprintf(stderr, invalid_date, "date", t_string);
exit( FALSE);
}
if (nr < 4 || nr > 5) {
fprintf(stderr, invalid_date, "date", t_string);
exit(FALSE);
}
/* correct for century - minor Y2K problem here? */
if(tm_time->tm_year >= 1900)
tm_time->tm_year -= 1900;
/* adjust date */
tm_time->tm_mon -= 1;
return(tm_time);
/* correct for century - minor Y2K problem here? */
if (tm_time->tm_year >= 1900)
tm_time->tm_year -= 1900;
/* adjust date */
tm_time->tm_mon -= 1;
return (tm_time);
}
/* The new stuff for LRP */
struct tm *
date_conv_ftime(struct tm *tm_time, const char *t_string) {
struct tm itm_time, jtm_time, ktm_time, \
ltm_time, mtm_time, ntm_time;
itm_time = *tm_time;
jtm_time = *tm_time;
ktm_time = *tm_time;
ltm_time = *tm_time;
mtm_time = *tm_time;
ntm_time = *tm_time;
/* Parse input and assign appropriately to tm_time */
if(sscanf(t_string, "%d:%d:%d",
&itm_time.tm_hour,
&itm_time.tm_min,
&itm_time.tm_sec) == 3 ) {
*tm_time = itm_time;
return(tm_time);
} else if (sscanf(t_string, "%d:%d",
&jtm_time.tm_hour,
&jtm_time.tm_min) == 2) {
*tm_time = jtm_time;
return(tm_time);
} else if (sscanf(t_string, "%d.%d-%d:%d:%d",
&ktm_time.tm_mon,
&ktm_time.tm_mday,
&ktm_time.tm_hour,
&ktm_time.tm_min,
&ktm_time.tm_sec) == 5) {
ktm_time.tm_mon -= 1; /* Adjust dates from 1-12 to 0-11 */
*tm_time = ktm_time;
return(tm_time);
} else if (sscanf(t_string, "%d.%d-%d:%d",
&ltm_time.tm_mon,
&ltm_time.tm_mday,
&ltm_time.tm_hour,
&ltm_time.tm_min) == 4) {
ltm_time.tm_mon -= 1; /* Adjust dates from 1-12 to 0-11 */
*tm_time = ltm_time;
return(tm_time);
} else if (sscanf(t_string, "%d.%d.%d-%d:%d:%d",
&mtm_time.tm_year,
&mtm_time.tm_mon,
&mtm_time.tm_mday,
&mtm_time.tm_hour,
&mtm_time.tm_min,
&mtm_time.tm_sec) == 6) {
mtm_time.tm_year -= 1900; /* Adjust years */
mtm_time.tm_mon -= 1; /* Adjust dates from 1-12 to 0-11 */
*tm_time = mtm_time;
return(tm_time);
} else if (sscanf(t_string, "%d.%d.%d-%d:%d",
&ntm_time.tm_year,
&ntm_time.tm_mon,
&ntm_time.tm_mday,
&ntm_time.tm_hour,
&ntm_time.tm_min) == 5) {
ntm_time.tm_year -= 1900; /* Adjust years */
ntm_time.tm_mon -= 1; /* Adjust dates from 1-12 to 0-11 */
*tm_time = ntm_time;
return(tm_time);
}
fprintf(stderr, invalid_date, "date", t_string);
exit( FALSE);
}
int
date_main(int argc, char * * argv)
struct tm *date_conv_ftime(struct tm *tm_time, const char *t_string)
{
char *date_str = NULL;
char *date_fmt = NULL;
char *t_buff;
int i;
int set_time = 0;
int rfc822 = 0;
int utc = 0;
int use_arg = 0;
time_t tm;
struct tm tm_time;
/* Interpret command line args */
i = --argc;
argv++;
while (i > 0 && **argv) {
if (**argv == '-') {
while (i>0 && *++(*argv)) switch (**argv) {
case 'R':
rfc822 = 1;
break;
case 's':
set_time = 1;
if(date_str != NULL) usage ( date_usage);
date_str = optarg;
break;
case 'u':
utc = 1;
if (putenv ("TZ=UTC0") != 0) {
fprintf(stderr, memory_exhausted, "date");
exit( FALSE);
}
/* Look ma, no break. Don't fix it either. */
case 'd':
use_arg = 1;
if(date_str != NULL) usage ( date_usage);
date_str = optarg;
break;
case '-':
usage ( date_usage);
}
} else {
if ( (date_fmt == NULL) && (strcmp(*argv, "+")==0) )
date_fmt=*argv;
else if (date_str == NULL) {
set_time = 1;
date_str=*argv;
} else {
usage ( date_usage);
}
struct tm itm_time, jtm_time, ktm_time, ltm_time, mtm_time, ntm_time;
itm_time = *tm_time;
jtm_time = *tm_time;
ktm_time = *tm_time;
ltm_time = *tm_time;
mtm_time = *tm_time;
ntm_time = *tm_time;
/* Parse input and assign appropriately to tm_time */
if (sscanf(t_string, "%d:%d:%d",
&itm_time.tm_hour, &itm_time.tm_min, &itm_time.tm_sec) == 3) {
*tm_time = itm_time;
return (tm_time);
} else if (sscanf(t_string, "%d:%d",
&jtm_time.tm_hour, &jtm_time.tm_min) == 2) {
*tm_time = jtm_time;
return (tm_time);
} else if (sscanf(t_string, "%d.%d-%d:%d:%d",
&ktm_time.tm_mon,
&ktm_time.tm_mday,
&ktm_time.tm_hour,
&ktm_time.tm_min, &ktm_time.tm_sec) == 5) {
ktm_time.tm_mon -= 1; /* Adjust dates from 1-12 to 0-11 */
*tm_time = ktm_time;
return (tm_time);
} else if (sscanf(t_string, "%d.%d-%d:%d",
&ltm_time.tm_mon,
&ltm_time.tm_mday,
&ltm_time.tm_hour, &ltm_time.tm_min) == 4) {
ltm_time.tm_mon -= 1; /* Adjust dates from 1-12 to 0-11 */
*tm_time = ltm_time;
return (tm_time);
} else if (sscanf(t_string, "%d.%d.%d-%d:%d:%d",
&mtm_time.tm_year,
&mtm_time.tm_mon,
&mtm_time.tm_mday,
&mtm_time.tm_hour,
&mtm_time.tm_min, &mtm_time.tm_sec) == 6) {
mtm_time.tm_year -= 1900; /* Adjust years */
mtm_time.tm_mon -= 1; /* Adjust dates from 1-12 to 0-11 */
*tm_time = mtm_time;
return (tm_time);
} else if (sscanf(t_string, "%d.%d.%d-%d:%d",
&ntm_time.tm_year,
&ntm_time.tm_mon,
&ntm_time.tm_mday,
&ntm_time.tm_hour, &ntm_time.tm_min) == 5) {
ntm_time.tm_year -= 1900; /* Adjust years */
ntm_time.tm_mon -= 1; /* Adjust dates from 1-12 to 0-11 */
*tm_time = ntm_time;
return (tm_time);
}
i--;
argv++;
}
fprintf(stderr, invalid_date, "date", t_string);
/* Now we have parsed all the information except the date format
which depends on whether the clock is being set or read */
time(&tm);
memcpy(&tm_time, localtime(&tm), sizeof(tm_time));
/* Zero out fields - take her back to midnight!*/
if(date_str != NULL) {
tm_time.tm_sec = 0;
tm_time.tm_min = 0;
tm_time.tm_hour = 0;
}
/* Process any date input to UNIX time since 1 Jan 1970 */
if(date_str != NULL) {
if(strchr(date_str, ':') != NULL) {
date_conv_ftime(&tm_time, date_str);
} else {
date_conv_time(&tm_time, date_str);
}
/* Correct any day of week and day of year etc fields */
tm = mktime(&tm_time);
if (tm < 0 ) {
fprintf(stderr, invalid_date, "date", date_str);
exit( FALSE);
}
/* if setting time, set it */
if(set_time) {
if( stime(&tm) < 0) {
fprintf(stderr, "date: can't set date.\n");
exit( FALSE);
}
}
}
/* Display output */
/* Deal with format string */
if(date_fmt == NULL) {
date_fmt = (rfc822
? (utc
? "%a, %_d %b %Y %H:%M:%S GMT"
: "%a, %_d %b %Y %H:%M:%S %z")
: "%a %b %e %H:%M:%S %Z %Y");
} else if ( *date_fmt == '\0' ) {
/* Imitate what GNU 'date' does with NO format string! */
printf ("\n");
exit( TRUE);
}
/* Handle special conversions */
if( strncmp( date_fmt, "%f", 2) == 0 ) {
date_fmt = "%Y.%m.%d-%H:%M:%S";
}
/* Print OUTPUT (after ALL that!) */
t_buff = malloc(201);
strftime(t_buff, 200, date_fmt, &tm_time);
printf("%s\n", t_buff);
exit( TRUE);
exit(FALSE);
}
int date_main(int argc, char **argv)
{
char *date_str = NULL;
char *date_fmt = NULL;
char *t_buff;
int i;
int set_time = 0;
int rfc822 = 0;
int utc = 0;
int use_arg = 0;
time_t tm;
struct tm tm_time;
/* Interpret command line args */
i = --argc;
argv++;
while (i > 0 && **argv) {
if (**argv == '-') {
while (i > 0 && *++(*argv))
switch (**argv) {
case 'R':
rfc822 = 1;
break;
case 's':
set_time = 1;
if (date_str != NULL)
usage(date_usage);
date_str = optarg;
break;
case 'u':
utc = 1;
if (putenv("TZ=UTC0") != 0) {
fprintf(stderr, memory_exhausted, "date");
exit(FALSE);
}
/* Look ma, no break. Don't fix it either. */
case 'd':
use_arg = 1;
if (date_str != NULL)
usage(date_usage);
date_str = optarg;
break;
case '-':
usage(date_usage);
}
} else {
if ((date_fmt == NULL) && (strcmp(*argv, "+") == 0))
date_fmt = *argv;
else if (date_str == NULL) {
set_time = 1;
date_str = *argv;
} else {
usage(date_usage);
}
}
i--;
argv++;
}
/* Now we have parsed all the information except the date format
which depends on whether the clock is being set or read */
time(&tm);
memcpy(&tm_time, localtime(&tm), sizeof(tm_time));
/* Zero out fields - take her back to midnight! */
if (date_str != NULL) {
tm_time.tm_sec = 0;
tm_time.tm_min = 0;
tm_time.tm_hour = 0;
}
/* Process any date input to UNIX time since 1 Jan 1970 */
if (date_str != NULL) {
if (strchr(date_str, ':') != NULL) {
date_conv_ftime(&tm_time, date_str);
} else {
date_conv_time(&tm_time, date_str);
}
/* Correct any day of week and day of year etc fields */
tm = mktime(&tm_time);
if (tm < 0) {
fprintf(stderr, invalid_date, "date", date_str);
exit(FALSE);
}
/* if setting time, set it */
if (set_time) {
if (stime(&tm) < 0) {
fprintf(stderr, "date: can't set date.\n");
exit(FALSE);
}
}
}
/* Display output */
/* Deal with format string */
if (date_fmt == NULL) {
date_fmt = (rfc822
? (utc
? "%a, %_d %b %Y %H:%M:%S GMT"
: "%a, %_d %b %Y %H:%M:%S %z")
: "%a %b %e %H:%M:%S %Z %Y");
} else if (*date_fmt == '\0') {
/* Imitate what GNU 'date' does with NO format string! */
printf("\n");
exit(TRUE);
}
/* Handle special conversions */
if (strncmp(date_fmt, "%f", 2) == 0) {
date_fmt = "%Y.%m.%d-%H:%M:%S";
}
/* Print OUTPUT (after ALL that!) */
t_buff = malloc(201);
strftime(t_buff, 200, date_fmt, &tm_time);
printf("%s\n", t_buff);
exit(TRUE);
}