[hackers] [sbase] Simplify sha*sum.c || FRIGN

[git]

commit e77f0b0b9f08d35e7ea245ab721d769f424189de
Author: FRIGN <d...@frign.de>
Date:   Tue Feb 17 10:08:28 2015 +0100

    Simplify sha*sum.c

diff --git a/sha1sum.c b/sha1sum.c
index 2157156..54ea33f 100644
--- a/sha1sum.c
+++ b/sha1sum.c
@@ -25,18 +25,16 @@ main(int argc, char *argv[])
 {
        uint8_t md[SHA1_DIGEST_LENGTH];
        char *checkfile = NULL;
-       int cflag = 0;
 
        ARGBEGIN {
        case 'c':
-               cflag = 1;
                checkfile = ARGF();
                break;
        default:
                usage();
        } ARGEND;
 
-       if (cflag)
+       if (checkfile)
                return cryptcheck(checkfile, argc, argv, &sha1_ops, md, 
sizeof(md));
        return cryptmain(argc, argv, &sha1_ops, md, sizeof(md));
 }
diff --git a/sha256sum.c b/sha256sum.c
index 0eb6c22..09ef584 100644
--- a/sha256sum.c
+++ b/sha256sum.c
@@ -25,18 +25,16 @@ main(int argc, char *argv[])
 {
        uint8_t md[SHA256_DIGEST_LENGTH];
        char *checkfile = NULL;
-       int cflag = 0;
 
        ARGBEGIN {
        case 'c':
-               cflag = 1;
                checkfile = ARGF();
                break;
        default:
                usage();
        } ARGEND;
 
-       if (cflag)
+       if (checkfile)
                return cryptcheck(checkfile, argc, argv, &sha256_ops, md, 
sizeof(md));
        return cryptmain(argc, argv, &sha256_ops, md, sizeof(md));
 }
diff --git a/sha512sum.c b/sha512sum.c
index 2abff76..0018401 100644
--- a/sha512sum.c
+++ b/sha512sum.c
@@ -25,18 +25,16 @@ main(int argc, char *argv[])
 {
        uint8_t md[SHA512_DIGEST_LENGTH];
        char *checkfile = NULL;
-       int cflag = 0;
 
        ARGBEGIN {
        case 'c':
-               cflag = 1;
                checkfile = ARGF();
                break;
        default:
                usage();
        } ARGEND;
 
-       if (cflag)
+       if (checkfile)
                return cryptcheck(checkfile, argc, argv, &sha512_ops, md, 
sizeof(md));
        return cryptmain(argc, argv, &sha512_ops, md, sizeof(md));
 }