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/* Copyright (C) 2020 C. McEnroe <june@causal.agency>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sysexits.h>
#include "archive.h"
int mboxFrom(FILE *file) {
int n = fprintf(file, "From mboxrd@z Thu Jan 1 00:00:00 1970\n");
return (n < 0 ? n : 0);
}
int (FILE *file, const char *header) {
for (const char *crlf; (crlf = strstr(header, "\r\n")); header = &crlf[2]) {
if (crlf - header) {
size_t n = fwrite(header, crlf - header, 1, file);
if (!n) return -1;
}
if (fprintf(file, "\n") < 0) return -1;
}
return 0;
}
int mboxBody(FILE *file, const char *body) {
for (const char *crlf; (crlf = strstr(body, "\r\n")); body = &crlf[2]) {
const char *from = body;
while (*from == '>') from++;
if (!strncmp(from, "From ", 5)) {
if (fprintf(file, ">") < 0) return -1;
}
if (crlf - body) {
size_t n = fwrite(body, crlf - body, 1, file);
if (!n) return -1;
}
if (fprintf(file, "\n") < 0) return -1;
}
return (fprintf(file, "\n" ) < 0 ? -1 : 0);
}
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