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#include <unistd.h>
#include "buffer.h"
#include "cdbread.h"
#include "logmsg.h"
#include "stralloc.h"
#define WHO "printmaillist"
void badformat()
{
logmsg(WHO, 100, FATAL, "bad database format");
}
void nomem()
{
logmsg(WHO, 111, FATAL, "out of memory");
}
void getch(char *ch)
{
int r;
r = buffer_get(buffer_0small, ch, 1);
if (r == -1) logmsg(WHO, 111, FATAL, "unable to read input");
if (r == 0) badformat();
}
void out(char *ch)
{
if (buffer_put(buffer_1small, ch, 1) == -1) logmsg(WHO, 111, FATAL, "unable to write output");
}
void printbuf(char *buf)
{
while (*buf) out(buf++);
}
void printsafe(char *buf, int len)
{
char ch;
while (len) {
ch = *buf;
if ((ch <= 32) || (ch == ',') || (ch == ':') || (ch == ';') || (ch == '\\') || (ch == '#'))
out("\\");
out(&ch);
++buf;
--len;
}
}
stralloc key = {0};
stralloc data = {0};
int main()
{
uint32 eod;
uint32 pos;
uint32 klen;
uint32 dlen;
char buf[8];
char ch;
int i;
int j;
for (i = 0; i < 4; ++i) getch(buf + i);
eod = cdb_unpack(buf);
for (i = 4; i < 2048; ++i) getch(&ch);
pos = 2048;
while (pos < eod) {
if (eod - pos < 8) badformat();
pos += 8;
for (i = 0; i < 8; ++i) getch(buf + i);
klen = cdb_unpack(buf);
dlen = cdb_unpack(buf + 4);
if (!stralloc_copys(&key, "")) nomem();
if (eod - pos < klen) badformat();
pos += klen;
while (klen) {
--klen;
getch(&ch);
if (!stralloc_append(&key, &ch)) nomem();
}
if (eod - pos < dlen) badformat();
pos += dlen;
if (!stralloc_copys(&data, "")) nomem();
while (dlen) {
--dlen;
getch(&ch);
if (!stralloc_append(&data, &ch)) nomem();
}
if (!key.len) badformat();
if (key.s[0] == '?') {
printsafe(key.s + 1, key.len - 1);
printbuf(": ?");
printsafe(data.s, data.len);
printbuf(";\n");
} else if (key.s[0] == ':') {
printsafe(key.s + 1, key.len - 1);
printbuf(":\n");
i = 0;
for (j = 0; j < data.len; ++j)
if (!data.s[j]) {
if ((data.s[i] == '.') || (data.s[i] == '/')) {
printbuf(", ");
printsafe(data.s + i, j - i);
printbuf("\n");
} else if ((data.s[i] == '|') || (data.s[i] == '!')) {
printbuf(", ");
printsafe(data.s + i, j - i);
printbuf("\n");
} else if ((data.s[i] == '&') && (j - i < 900)) {
printbuf(", ");
printsafe(data.s + i, j - i);
printbuf("\n");
} else
badformat();
i = j + 1;
}
if (i != j) badformat();
printbuf(";\n");
} else {
badformat();
}
}
if (buffer_flush(buffer_1small) == -1) logmsg(WHO, 111, FATAL, "unable to write output");
_exit(0);
}
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