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If one's message is longer than the buffer size, then we reset 'cnt' at the

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wrong point and the actual column # get out of sync across the buffer size.
This commit is contained in:
David E. O'Brien 2011-07-12 00:31:11 +00:00
parent fcc2fa496d
commit b0023655af
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=223940
1 changed files with 2 additions and 1 deletions
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usr.bin/wall/wall.c
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@ -239,8 +239,9 @@ makemsg(char *fname)
err(1, "can't read %s", fname); err(1, "can't read %s", fname);
setegid(egid); setegid(egid);
} }
cnt = 0;
while (fgets(lbuf, sizeof(lbuf), stdin)) { while (fgets(lbuf, sizeof(lbuf), stdin)) {
for (cnt = 0, p = lbuf; (ch = *p) != '\0'; ++p, ++cnt) { for (p = lbuf; (ch = *p) != '\0'; ++p, ++cnt) {
if (ch == '\r') { if (ch == '\r') {
putc('\r', fp); putc('\r', fp);
cnt = 0; cnt = 0;