ubase

suckless linux base utils
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commit fb2129cdd4fb19bd91a21a01b5333f09c31146d9
parent 9bc4fb44bbfb38bf1a53e5a47801e66a515e63e9
Author: sin <sin@2f30.org>
Date:   Sun Feb 22 11:08:16 +0000

Sync concat() from sbase

Diffstat:
libutil/concat.c | 11++++++-----
1 file changed, 6 insertions(+), 5 deletions(-)
diff --git a/libutil/concat.c b/libutil/concat.c @@ -1,6 +1,5 @@ /* See LICENSE file for copyright and license details. */ #include <stdio.h> -#include <unistd.h> #include "../text.h" #include "../util.h" @@ -9,12 +8,14 @@ void concat(FILE *fp1, const char *s1, FILE *fp2, const char *s2) { char buf[BUFSIZ]; - ssize_t n; + size_t n; - while ((n = read(fileno(fp1), buf, sizeof buf)) > 0) { - if (write(fileno(fp2), buf, n) != 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 (n < 0) + if (ferror(fp1)) eprintf("%s: read error:", s1); }