sbase

suckless unix tools
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commit 864f0aa1c8857850937c7249e0ff83c720d19aef
parent a851c538a24de2bb02b4dd8bcd7478c45e58b181
Author: Wolfgang Corcoran-Mathe <first.lord.of.teal@gmail.com>
Date:   Thu Jun 11 13:58:13 -0400

cksum: Skip files with read errors and continue

Previously, 'cksum *' exited early if * contained a directory or
other file causing an fread() error.

Exit status is set to indicate an error has occurred.

Diffstat:
cksum.c | 9++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/cksum.c b/cksum.c @@ -5,6 +5,7 @@ #include "util.h" +static int ret = 0; static const unsigned long crctab[] = { 0x00000000, 0x04c11db7, 0x09823b6e, 0x0d4326d9, 0x130476dc, 0x17c56b6b, 0x1a864db2, 0x1e475005, 0x2608edb8, 0x22c9f00f, 0x2f8ad6d6, @@ -71,8 +72,11 @@ cksum(FILE *fp, const char *s) ck = (ck << 8) ^ crctab[(ck >> 24) ^ buf[i]]; len += n; } - if (ferror(fp)) - eprintf("fread %s:", s ? s : "<stdin>"); + if (ferror(fp)) { + weprintf("fread %s:", s ? s : "<stdin>"); + ret = 1; + return; + } for (i = len; i; i >>= 8) ck = (ck << 8) ^ crctab[(ck >> 24) ^ (i & 0xFF)]; @@ -89,7 +93,6 @@ int main(int argc, char *argv[]) { FILE *fp; - int ret = 0; argv0 = argv[0], argc--, argv++;