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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define BUF_SIZE 1024
#define READ_LEN 14
static int read_len = READ_LEN;
static char rbuf[32];
static char rbuflen = 0;
int do_gets(char *buf)
{
int r = 0, c = 0;
char *m;
if (rbuflen > 0)
memcpy(buf, rbuf, rbuflen);
c += rbuflen;
while ((c + read_len < BUF_SIZE) && ((r = read(0, &buf[c], read_len)) > 0)) {
m = NULL;
if ((m = memchr(&buf[c], '\n', r)) != NULL) {
rbuflen = r - (m - &buf[c] + 1);
if (rbuflen > 0)
memcpy(rbuf, m + 1, rbuflen);
c += m - &buf[c] + 1;
} else {
rbuflen = 0;
c += r;
}
if ((c > 3) && (memcmp(&buf[c - 3], "---", 3) == 0))
read_len = 1;
if (m != NULL)
return c;
}
return c;
}
int main(int argc, char **argv)
{
char buf[BUF_SIZE];
char buf1[BUF_SIZE];
char *tmp;
int len, r = 0, r1 = 0;
if (argc != 2) {
fprintf(stderr, "Syntax: %s (name|data <boundary>)\n", argv[0]);
exit(1);
}
while (tmp = strchr(argv[1], '\r'))
*tmp = 0;
len = strlen(argv[1]);
*buf = 0;
while ((strncmp(buf, argv[1], len) != 0) &&
(strncmp(buf + 2, argv[1], len) != 0)) {
if (r > 0) {
if (r1 > 0)
write (1, buf1, r1);
r1 = r;
memcpy(buf1, buf, r);
}
if ((r = do_gets(buf)) <= 0)
exit(1);
}
if (r1 > 2)
write(1, buf1, r1 - 2);
}
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