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Instead of not using argc and doing other great evil, check for no arguments

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in main() and print usage, or if there are too many arguments, handle that
there, too.
This commit is contained in:
jmallett 2002-06-27 21:01:32 +00:00
parent 70c2bebb27
commit 3e36f9e3d9
1 changed files with 6 additions and 5 deletions
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11
usr.bin/lam/lam.c
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@ -79,13 +79,16 @@ static char *pad(struct openfile *);
static void usage(void);
int
main(int argc __unused, char *argv[])
main(int argc, char *argv[])
{
struct openfile *ip;
getargs(argv);
if (!morefiles)
if (argc > MAXOFILES)
errx(1, "too many input files");
else if (argc == 1)
usage();
getargs(argv);
for (;;) {
linep = line;
for (ip = input; ip->fp != NULL; ip++)
@ -111,8 +114,6 @@ getargs(char *av[])
P = S = F = T = 0; /* capitalized options */
while ((p = *++av) != NULL) {
if (*p != '-' || !p[1]) {
if (++morefiles >= MAXOFILES)
errx(1, "too many input files");
if (*p == '-')
ip->fp = stdin;
else if ((ip->fp = fopen(p, "r")) == NULL) {