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mal/vimscript/vimextras.c

45 lines
1.2 KiB
C

#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <readline/readline.h>
#include <sys/time.h>
/*
* Vim interface for the readline(3) function.
*
* Prints 'prompt' and reads a line from the input. If EOF is encountered,
* returns the string "E"; otherwise, returns the string "S<line>" where <line>
* is the line read from input.
*
* This function is not thread-safe.
*/
char* vimreadline(char* prompt) {
static char buf[1024];
char* res = readline(prompt);
if (res) {
buf[0] = 'S';
strncpy(buf + 1, res, sizeof(buf) - 1);
free(res);
} else {
buf[0] = 'E';
buf[1] = '\0';
}
return buf;
}
#define UNIXTIME_BASE 1451606400 /* = Unix time of 2016-01-01 */
/*
* Returns the number of milliseconds since 2016-01-01 00:00:00 UTC.
*
* This date is chosen (instead of the standard 1970 epoch) so the number of
* milliseconds will not exceed a 32-bit integer, which is the limit for Vim
* number variables.
*/
int vimtimems(int dummy) {
struct timeval tv;
(void) dummy; /* unused */
gettimeofday(&tv, NULL);
return (tv.tv_sec - UNIXTIME_BASE) * 1000 + (tv.tv_usec / 1000);
}