184 lines
5.2 KiB
C
184 lines
5.2 KiB
C
/* echotime - prints current time and input args to stdout
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*
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* HISTORY:
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* 23-Jan-87 danl added /n switch and ';' processing
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* 23-Nov-87 brianwi Exit code 0
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*/
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#include <string.h>
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#include <time.h>
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#include <stdio.h>
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#include <process.h>
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#include <windows.h>
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#include <tools.h>
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// Function Forward Parameters...
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void Usage( void );
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int __cdecl main( int, char ** );
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const char rgstrUsage[] = {
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"Usage: ECHOTIME [/t] [/WODHMSCYb] [/v] [/n] [/N] [;] text\n"
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" /t current day, time and year\n"
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" /WODHMSCYb\n"
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" Weekday, mOnth, Day, Hour, Min, Sec, Century, Yr, blank\n"
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" other char are themselves\n"
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" e.g. echotime /O-D-Y this becomes Jan-02-86\n"
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" e.g. echotime /ObDbY this becomes Jan 02 86\n"
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" /v volume id of C:\n"
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" /n no newline after outputting text\n"
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" /N no trailing blank at end of lines\n"
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" a semicolon surrounded by white space is replaced by a newline\n"};
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int fNewline = TRUE;
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int fTrailingBlank = TRUE;
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void Usage( void )
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{
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puts(rgstrUsage);
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exit (1);
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}
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int
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__cdecl
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main (
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int c,
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char *v[]
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)
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{
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// struct findType findBuf;
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time_t now;
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char *p, *strTime, *p2, *p3, *printstring;
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char ch;
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int i, len;
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int fFirstWord = TRUE;
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char timestring[1000]; //plenty of room for formatted time string
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ConvertAppToOem( c, v );
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SHIFT( c, v );
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while ( c ) {
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printstring=""; //default no text for this arg
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if ( !strcmp( *v, "/?" ))
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Usage ();
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if ( !strcmp( *v, "/n" ))
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fNewline = FALSE;
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else if ( !strcmp( *v, "/N" ))
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fTrailingBlank = FALSE;
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else if ( !strcmp( *v, "/v" )) {
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//
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// It would make more sense to replace by the volume id of the
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// current drive, but the original code used drive C: and
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// it is described as so in the help file, so I'll do the same.
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//
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char VolumeName[MAX_PATH];
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BOOL StatusOk;
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StatusOk = GetVolumeInformation( "C:\\",
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VolumeName,
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MAX_PATH,
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NULL,
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NULL,
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NULL,
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NULL,
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0 );
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if (!StatusOk) {
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printstring = "NO_VOL_ID";
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} else {
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printstring = VolumeName;
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}
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}
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else if (**v == '/') {
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*timestring='\0';
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p2 = *v;
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time( &now );
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strTime = _strdup( ctime( &now ) );
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if (!strTime) {
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puts("Out of memory");
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exit(1);
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}
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p = strend( strTime );
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*--p = '\0';
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while ((ch = *++p2)) {
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len = 2;
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switch (ch) {
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case 'W': /* Week */
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len = 3;
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i = 0;
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break;
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case 'O': /* mOnth */
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len = 3;
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i = 4;
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break;
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case 'D': /* Day */
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i = 8;
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break;
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case 'H': /* Hour */
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i = 11;
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break;
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case 'M': /* Min */
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i = 14;
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break;
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case 'S': /* Sec */
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i = 17;
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break;
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case 'C': /* Century */
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i = 20;
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break;
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case 'Y': /* Year */
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i = 22;
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break;
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case 'b': /* Blank */
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len = 1;
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i = 3;
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break;
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case 't':
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len = 25;
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i = 0;
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break;
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default:
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strTime[3] = ch;
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len = 1;
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i = 3;
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break;
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}
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p = strTime + i;
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p3 = p + len;
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ch = *p3;
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*p3 = '\0';
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strcat(timestring, p); /* N.B. no trailing blanks */
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*p3 = ch;
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strTime[3] = ' ';
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}
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printstring = timestring;
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}
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else if (!strcmp( *v, ";" )) {
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if (fTrailingBlank)
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printf(" ");
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printf ("\n" );
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fFirstWord = TRUE;
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// printstring remains pointing to empty string
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}
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else
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printstring= *v;
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if (*printstring) {
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if (!fFirstWord)
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printf( " ");
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else
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fFirstWord=FALSE;
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printf("%s", printstring);
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}
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SHIFT( c, v );
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}
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if (fTrailingBlank)
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printf( " ");
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if ( fNewline )
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printf("\n" );
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return 0;
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}
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