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#include "environ.h"
#include "common.h"
#include <sysexits.h>
#include <stdlib.h>
#include <stdio.h>
#include <errno.h>
#include <inttypes.h>
#include <string.h>
int environ_read(Environ *out)
{
out->tg_api = getenv("TG_API");
out->tg_chat_raw = getenv("TG_CHAT");
char *tg_admin_raw = getenv("TG_ADMIN");
out->tg_link_fmt = getenv("TG_LINK_FMT");
out->rcon_host = getenv("RCON_HOST");
out->rcon_port = getenv("RCON_PORT");
out->rcon_passwd = getenv("RCON_PASSWD");
if(out->tg_api == NULL ||
tg_admin_raw == NULL ||
out->tg_chat_raw == NULL ||
out->tg_link_fmt == NULL ||
out->rcon_host == NULL ||
out->rcon_port == NULL)
{
fprintf(stderr, _("Required environment variables are missing.\n"));
return EX_USAGE;
}
char *endptr;
intmax_t num = strtoimax(out->tg_chat_raw, &endptr, 10);
if(strcmp(endptr, "") || (num == INTMAX_MAX && errno == ERANGE))
{
fprintf(stderr, _("TG_CHAT is invalid\n"));
return EX_USAGE;
}
if(num > INT64_MAX || num < INT64_MIN)
{
fprintf(stderr, _("TG_CHAT is invalid\n"));
return EX_USAGE;
}
out->tg_chat = (int64_t)num;
uintmax_t unum = strtoumax(tg_admin_raw, &endptr, 10);
if(strcmp(endptr, "") || (unum == UINTMAX_MAX && errno == ERANGE))
{
fprintf(stderr, _("TG_ADMIN is invalid\n"));
return EX_USAGE;
}
if(unum > UINT32_MAX || unum < 0)
{
fprintf(stderr, _("TG_ADMIN is invalid\n"));
return EX_USAGE;
}
out->tg_admin = (uint32_t)unum;
return 0;
}
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