diff options
Diffstat (limited to 'usr.bin/bsdiff/bspatch')
| -rw-r--r-- | usr.bin/bsdiff/bspatch/bspatch.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/usr.bin/bsdiff/bspatch/bspatch.c b/usr.bin/bsdiff/bspatch/bspatch.c index d2af3ca..db72e5c 100644 --- a/usr.bin/bsdiff/bspatch/bspatch.c +++ b/usr.bin/bsdiff/bspatch/bspatch.c @@ -57,6 +57,14 @@ static off_t offtin(u_char *buf) return y; } +static void +usage(void) +{ + + fprintf(stderr, "usage: bspatch oldfile newfile patchfile\n"); + exit(1); +} + int main(int argc,char * argv[]) { FILE * f, * cpf, * dpf, * epf; @@ -72,7 +80,8 @@ int main(int argc,char * argv[]) off_t lenread; off_t i; - if(argc!=4) errx(1,"usage: %s oldfile newfile patchfile\n",argv[0]); + if (argc != 4) + usage(); /* Open patch file */ if ((f = fopen(argv[3], "rb")) == NULL) |
