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Fix error in "last all" command and several -Wunused-result compiler errors (#55)

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* Add build generated files to .gitignore

* Fix error in "last all" output and resolve Wunused-result warnings

- Check return value of several standard library calls that could
return error states.
- Fix issue with "last all" command (it sent tabs for alignment
that were reinterpreted as colors).

* Fix buffer overflow in do_export_zone command
This commit is contained in:
Kevin Fischer 2018-07-21 18:37:18 -05:00 • committed by wyld-sw
parent b27003e881
commit 3cb8e52043
9 changed files with 204 additions and 62 deletions
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11
src/comm.c
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@ -422,7 +422,16 @@ void copyover_recover()
for (;;) {
fOld = TRUE;
fscanf (fp, "%d %ld %s %s %s\n", &desc, &pref, name, host, guiopt);
if (fscanf(fp, "%d %ld %s %s %s\n", &desc, &pref, name, host, guiopt) != 5) {
if(!feof(fp)) {
if(ferror(fp))
log("SYSERR: error reading copyover file %s: %s", COPYOVER_FILE, strerror(errno));
else if(!feof(fp))
log("SYSERR: could not scan line in copyover file %s.", COPYOVER_FILE);
exit(1);
}
}
if (desc == -1)
break;