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asa: Read from stdin if *argv is "-".

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MFC after:	1 week
Sponsored by:	Klara, Inc.
Reviewed by:	markj
Differential Revision:	https://reviews.freebsd.org/D40563
This commit is contained in:
Dag-Erling Smørgrav 2023-06-15 19:23:22 +00:00
parent 9e379f9639
commit f08f90e698
1 changed files with 12 additions and 7 deletions
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19
usr.bin/asa/asa.c
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@ -43,6 +43,7 @@ __FBSDID("$FreeBSD$");
#include <err.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
static void asa(FILE *);
@ -71,13 +72,17 @@ main(int argc, char *argv[])
asa(stdin);
else {
while ((fn = *argv++) != NULL) {
if ((fp = fopen(fn, "r")) == NULL) {
warn("%s", fn);
exval = 1;
continue;
}
asa(fp);
fclose(fp);
if (strcmp(fn, "-") == 0) {
asa(stdin);
} else {
if ((fp = fopen(fn, "r")) == NULL) {
warn("%s", fn);
exval = 1;
continue;
}
asa(fp);
fclose(fp);
}
}
}