Bug 80675
| Summary: | bad source code | ||
|---|---|---|---|
| Product: | [Retired] Red Hat Linux | Reporter: | d.binderman |
| Component: | kakasi | Assignee: | Akira TAGOH <tagoh> |
| Status: | CLOSED RAWHIDE | QA Contact: | Bill Huang <bhuang> |
| Severity: | medium | Docs Contact: | |
| Priority: | medium | ||
| Version: | 8.0 | ||
| Target Milestone: | --- | ||
| Target Release: | --- | ||
| Hardware: | All | ||
| OS: | Linux | ||
| Whiteboard: | |||
| Fixed In Version: | Doc Type: | Bug Fix | |
| Doc Text: | Story Points: | --- | |
| Clone Of: | Environment: | ||
| Last Closed: | 2003-04-25 07:11:58 UTC | Type: | --- |
| Regression: | --- | Mount Type: | --- |
| Documentation: | --- | CRM: | |
| Verified Versions: | Category: | --- | |
| oVirt Team: | --- | RHEL 7.3 requirements from Atomic Host: | |
| Cloudforms Team: | --- | Target Upstream Version: | |
| Embargoed: | |||
I not sure whether it's happened at this point, but right now I don't think
kakasi still has a problem. although 'buffer' is actually allocated for
k2rom_buflen(10) spaces, and basically it allows to use 9 spaces for something
and 1 space for null string. So:
buffer[k2rom_buflen] = '\0'; clen = k2rom_buflen;
for (i = 0; i < k2rom_buflen; ++ i) {
these codes are fine. I can't see any codes to be having the problems.
I think that's a compiler bug or excessive warning.
I can't believe your answer. It is standard C that if an array of size 'n' is declared, then the array index 'n' should not be used. Lower limits are inclusive, upper limits are exclusive. I strongly recommend reading page 22, section 1.6, of Kernighan & Ritchie Edition 2, the standard book on the C programming language. You are right. I was confused. fixed in 2.3.4-11 |
From Bugzilla Helper: User-Agent: Mozilla/4.6 [en-gb]C-CCK-MCD NetscapeOnline.co.uk (Win98; I) Description of problem: Hello there, I have just tried to compile kakasi-2.3.4-8 from Redhat 8.0 Here are some of the messages the compiler produces cc: Info: k2.c, line 157: In this statement, an array is being accessed outside the bounds specified for the array type. (subscrbounds) cc: Info: libk2.c, line 157: In this statement, an array is being accessed outside the bounds specified for the array type. (subscrbounds) Here is an untested patch to shut up the compiler. ./src/k2.c.old ./src/k2.c *** ./src/k2.c.old Sun Dec 15 18:14:11 2002 --- ./src/k2.c Sun Dec 15 18:17:04 2002 *************** *** 140,146 **** static struct k2rom_tbl *k2rom_ptr; struct k2rom_tbl *p; int i, clen, ylen; ! char buffer[k2rom_buflen]; unsigned char c1; int max_match, match_more; char *max_romaji; --- 140,146 ---- static struct k2rom_tbl *k2rom_ptr; struct k2rom_tbl *p; int i, clen, ylen; ! char buffer[ k2rom_buflen + 1]; unsigned char c1; int max_match, match_more; char *max_romaji; ./lib/libk2.c.old ./lib/libk2.c Version-Release number of selected component (if applicable): How reproducible: Always Steps to Reproduce: 1. compile with any C compiler that sanity checks array indices, such as Compaq. 2. 3. Additional info: