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tr: fix "access past the end of a string" bug 4354

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This commit is contained in:
Denis Vlasenko 2008-07-26 19:34:00 +00:00
parent df96df9c7c
commit 5e40070d38
1 changed files with 1 additions and 1 deletions
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2
coreutils/tr.c
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@ -138,7 +138,7 @@ static unsigned int expand(const char *arg, char *buffer)
arg += 3; /* skip CHAR=] */
continue;
}
if (*arg != '-') { /* not [x-...] - copy verbatim */
if (i == '\0' || *arg != '-') { /* not [x-...] - copy verbatim */
*buffer++ = '[';
arg--; /* points to x */
continue; /* copy all, including eventual ']' */