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Avoid side effects in putc(), which may be implemented as a macro

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Signed-off-by: Dan Fandrich <dan@coneharvesters.com>
Signed-off-by: Denys Vlasenko <dvlasenk@redhat.com>
This commit is contained in:
Dan Fandrich
2010-09-07 23:38:28 -07:00
committed by Denys Vlasenko
parent 95d48f2598
commit 77d4872691
3 changed files with 12 additions and 8 deletions
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8
coreutils/tee.c
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@@ -70,8 +70,8 @@ int tee_main(int argc, char **argv)
while ((c = safe_read(STDIN_FILENO, buf, sizeof(buf))) > 0) {
fp = files;
do
fwrite(buf, 1, c, *fp++);
while (*fp);
fwrite(buf, 1, c, *fp);
while (*++fp);
}
if (c < 0) { /* Make sure read errors are signaled. */
retval = EXIT_FAILURE;
@@ -81,8 +81,8 @@ int tee_main(int argc, char **argv)
while ((c = getchar()) != EOF) {
fp = files;
do
putc(c, *fp++);
while (*fp);
putc(c, *fp);
while (*++fp);
}
#endif