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25 lines
537 B
C++
25 lines
537 B
C++
// Print help message for the specified command.
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#include "config.h" // IWYU pragma: keep
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#include "print_help.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <cstring>
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#include "common.h"
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#define CMD_LEN 1024
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#define HELP_ERR "Could not show help message\n"
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void print_help(const char *c, int fd) {
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char cmd[CMD_LEN];
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int printed = snprintf(cmd, CMD_LEN, "fish -c '__fish_print_help %s >&%d'", c, fd);
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if (printed < CMD_LEN && system(cmd) == -1) {
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write_loop(2, HELP_ERR, std::strlen(HELP_ERR));
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}
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}
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