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/*
* NetCosm - a MUD server
* Copyright (C) 2016 Franklin Wei
*
* 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 <http://www.gnu.org/licenses/>.
*/
#include "globals.h"
void __attribute__((noreturn)) error(const char *fmt, ...)
{
char buf[128];
memset(buf, 0, sizeof(buf));
va_list ap;
va_start(ap, fmt);
vsnprintf(buf, sizeof(buf), fmt, ap);
va_end(ap);
perror(buf);
abort();
exit(EXIT_FAILURE);
}
void remove_cruft(char *str)
{
char *junk;
strtok_r(str, "\r\n", &junk);
}
/**
* WARNING: not signal-safe AT ALL
* TODO: rewrite to avoid calling *printf()
*/
void debugf_real(const char *func, int line, const char *file, const char *fmt, ...)
{
(void) func;
(void) line;
(void) file;
int len;
va_list ap;
va_start(ap, fmt);
char *buf;
len = vasprintf(&buf, fmt, ap);
write(STDOUT_FILENO, buf, len);
free(buf);
va_end(ap);
}
void all_upper(char *s)
{
while(*s)
{
*s = toupper(*s);
s++;
}
}
void all_lower(char *s)
{
while(*s)
{
*s = tolower(*s);
s++;
}
}
void write_roomid(int fd, room_id *id)
{
write(fd, id, sizeof(*id));
}
void write_string(int fd, const char *str)
{
size_t len = strlen(str);
write(fd, &len, sizeof(len));
write(fd, str, len);
}
room_id read_roomid(int fd)
{
room_id ret;
if(read(fd, &ret, sizeof(ret)) < 0)
return ROOM_NONE;
return ret;
}
char *read_string(int fd)
{
size_t sz;
if(read(fd, &sz, sizeof(sz)) != sizeof(sz))
{
error("read_string: EOF");
}
char *ret = malloc(sz + 1);
if((size_t)read(fd, ret, sz) != sz)
{
free(ret);
error("read_string: EOF");
}
ret[sz] = '\0';
return ret;
}
bool read_bool(int fd)
{
bool ret;
if(read(fd, &ret, sizeof(ret)) != sizeof(ret))
error("unexpected EOF");
return ret;
}
void write_bool(int fd, bool b)
{
if(write(fd, &b, sizeof(b)) != sizeof(b))
error("write failed");
}
uint32_t read_uint32(int fd)
{
uint32_t ret;
if(read(fd, &ret, sizeof(ret)) != sizeof(ret))
error("unexpected EOF");
return ret;
}
void write_uint32(int fd, uint32_t b)
{
if(write(fd, &b, sizeof(b)) != sizeof(b))
error("write failed");
}
uint64_t read_uint64(int fd)
{
uint64_t ret;
if(read(fd, &ret, sizeof(ret)) != sizeof(ret))
error("unexpected EOF");
return ret;
}
void write_uint64(int fd, uint64_t b)
{
if(write(fd, &b, sizeof(b)) != sizeof(b))
error("write failed");
}
size_t read_size(int fd)
{
size_t ret;
if(read(fd, &ret, sizeof(ret)) != sizeof(ret))
error("unexpected EOF");
return ret;
}
void write_size(int fd, size_t b)
{
if(write(fd, &b, sizeof(b)) != sizeof(b))
error("write failed");
}
bool is_vowel(char c)
{
switch(tolower(c))
{
case 'a':
case 'e':
case 'i':
case 'o':
case 'u':
return true;
default:
return false;
}
}
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