git: 8e05c2373efd - main - wc: Do not use st_size if it equals zero

The branch main has been updated by imp:

URL: https://cgit.FreeBSD.org/src/commit/?id=8e05c2373efd43632b1ec410528552fa01b40a3f

commit 8e05c2373efd43632b1ec410528552fa01b40a3f
Author:     Ricardo Branco <rbranco@suse.de>
AuthorDate: 2024-02-03 00:05:05 +0000
Commit:     Warner Losh <imp@FreeBSD.org>
CommitDate: 2024-02-03 01:34:59 +0000

    wc: Do not use st_size if it equals zero
    
    Pseudo-filesystems often cannot compute the size of the file correctly
    and report 0 for the size. Ignore the size when it's zero and fallback
    to the size unknown code.
    
    PR: 276093
    Reviewed by: imp
    Pull Request: https://github.com/freebsd/freebsd-src/pull/985
---
 usr.bin/wc/wc.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/usr.bin/wc/wc.c b/usr.bin/wc/wc.c
index 7cb72212d1cb..76b65e5f870d 100644
--- a/usr.bin/wc/wc.c
+++ b/usr.bin/wc/wc.c
@@ -230,7 +230,8 @@ cnt(const char *file)
 			(void)close(fd);
 			return (1);
 		}
-		if (S_ISREG(sb.st_mode)) {
+		/* pseudo-filesystems advertize a zero size */
+		if (S_ISREG(sb.st_mode) && sb.st_size > 0) {
 			reset_siginfo();
 			charct = sb.st_size;
 			show_cnt(file, linect, wordct, charct, llct);