emo/busybox
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

If read were to return with an error, bad things would happen. Fix it.

Browse Source 
Also, make sure read errors are reflected in the applet exit code.
This commit is contained in:
Manuel Novoa III 2004-05-26 15:21:19 +00:00
parent a6f6a95ba4
commit d709743b09
1 changed files with 6 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
coreutils/tee.c
View File

@ -38,7 +38,7 @@ int tee_main(int argc, char **argv)
int flags;
int retval = EXIT_SUCCESS;
#ifdef CONFIG_FEATURE_TEE_USE_BLOCK_IO
size_t c;
ssize_t c;
RESERVE_CONFIG_BUFFER(buf, BUFSIZ);
#else
int c;
@ -78,12 +78,16 @@ int tee_main(int argc, char **argv)
*p = NULL; /* Store the sentinal value. */
#ifdef CONFIG_FEATURE_TEE_USE_BLOCK_IO
while ((c = read(STDIN_FILENO, buf, BUFSIZ)) != 0) {
while ((c = safe_read(STDIN_FILENO, buf, BUFSIZ)) > 0) {
for (p=files ; *p ; p++) {
fwrite(buf, 1, c, *p);
}
}
if (c < 0) { /* Make sure read errors are signaled. */
retval = EXIT_FAILURE;
}
#ifdef CONFIG_FEATURE_CLEAN_UP
RELEASE_CONFIG_BUFFER(buf);
#endif