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/*
* Copyright © 2014 IIMarckus <imarckus@gmail.com>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED “AS IS” AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <err.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
void
putuint32BE(uint32_t n, FILE *f)
{
fputc(n >> 24, f);
fputc(n >> 16, f);
fputc(n >> 8, f);
fputc(n, f);
}
int
main(int argc, char *argv[])
{
int i, runsum, numptrs;
uint32_t *ptrs, *runsums;
FILE **f;
uint8_t buf[8192];
if (argc < 2) {
errx(1, "Usage: cattbl file ...");
}
f = reallocarray(NULL, argc - 1, sizeof *f);
ptrs = reallocarray(NULL, argc - 1, sizeof *ptrs);
runsums = reallocarray(NULL, argc - 1, sizeof *runsums);
numptrs = 0;
putuint32BE(0, stdout);
putuint32BE(0, stdout);
runsum = 16 + 16 * (argc - 1);
for (i = 1; i < argc; ++i) {
f[i - 1] = fopen(argv[i], "rb");
if (f[i - 1] == NULL) {
err(1, "Could not open file '%s'", argv[i]);
}
fseek(f[i - 1], 0, SEEK_END);
runsums[i - 1] = runsum;
runsum += ftell(f[i - 1]);
ptrs[i - 1] = ftell(f[i - 1]);
fseek(f[i - 1], 0, SEEK_SET);
}
putuint32BE(runsum, stdout);
putuint32BE(argc - 1, stdout);
for (i = 0; i < argc - 1; ++i) {
putuint32BE(runsums[i], stdout);
putuint32BE(ptrs[i], stdout);
putuint32BE(0, stdout);
putuint32BE(0, stdout);
}
for (i = 0; i < argc - 1; ++i) {
size_t n;
while ((n = fread(buf, sizeof *buf, sizeof buf, f[i])) > 0)
if (fwrite(buf, sizeof *buf, n, stdout) != n)
;
}
}
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