/* See LICENSE file for copyright and license details. */ #include <stdio.h> #include "../text.h" #include "../util.h" void concat(FILE *fp1, const char *s1, FILE *fp2, const char *s2) { char buf[BUFSIZ]; size_t n; while ((n = fread(buf, 1, sizeof(buf), fp1)) > 0) { if (fwrite(buf, 1, n, fp2) != n) eprintf("%s: write error:", s2); if (feof(fp1)) break; } if (ferror(fp1)) eprintf("%s: read error:", s1); }