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