concat.c - ubase - suckless linux base utils | |
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concat.c (428B) | |
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1 /* See LICENSE file for copyright and license details. */ | |
2 #include <stdio.h> | |
3 | |
4 #include "../text.h" | |
5 #include "../util.h" | |
6 | |
7 void | |
8 concat(FILE *fp1, const char *s1, FILE *fp2, const char *s2) | |
9 { | |
10 char buf[BUFSIZ]; | |
11 size_t n; | |
12 | |
13 while ((n = fread(buf, 1, sizeof(buf), fp1)) > 0) { | |
14 if (fwrite(buf, 1, n, fp2) != n) | |
15 eprintf("%s: write error:", s2); | |
16 if (feof(fp1)) | |
17 break; | |
18 } | |
19 if (ferror(fp1)) | |
20 eprintf("%s: read error:", s1); | |
21 } |