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patch 8.1.0194: possibly use of NULL pointer

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Problem:    Possibly use of NULL pointer. (Coverity)
Solution:   Reset the re_in_use flag earlier.
This commit is contained in:
Bram Moolenaar
2018-07-18 06:02:09 +02:00
parent ca4cc018ad
commit 414998023f
2 changed files with 12 additions and 2 deletions
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12
src/regexp.c
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@@ -8266,6 +8266,7 @@ vim_regexec_string(
rex.reg_endpos = NULL;
result = rmp->regprog->engine->regexec_nl(rmp, line, col, nl);
rmp->regprog->re_in_use = FALSE;
/* NFA engine aborted because it's very slow. */
if (rmp->regprog->re_engine == AUTOMATIC_ENGINE
@@ -8284,7 +8285,11 @@ vim_regexec_string(
#endif
rmp->regprog = vim_regcomp(pat, re_flags);
if (rmp->regprog != NULL)
{
rmp->regprog->re_in_use = TRUE;
result = rmp->regprog->engine->regexec_nl(rmp, line, col, nl);
rmp->regprog->re_in_use = FALSE;
}
vim_free(pat);
}
@@ -8294,7 +8299,6 @@ vim_regexec_string(
rex_in_use = rex_in_use_save;
if (rex_in_use)
rex = rex_save;
rmp->regprog->re_in_use = FALSE;
return result > 0;
}
@@ -8382,6 +8386,7 @@ vim_regexec_multi(
result = rmp->regprog->engine->regexec_multi(
rmp, win, buf, lnum, col, tm, timed_out);
rmp->regprog->re_in_use = FALSE;
/* NFA engine aborted because it's very slow. */
if (rmp->regprog->re_engine == AUTOMATIC_ENGINE
@@ -8409,8 +8414,12 @@ vim_regexec_multi(
#endif
if (rmp->regprog != NULL)
{
rmp->regprog->re_in_use = TRUE;
result = rmp->regprog->engine->regexec_multi(
rmp, win, buf, lnum, col, tm, timed_out);
rmp->regprog->re_in_use = FALSE;
}
vim_free(pat);
}
p_re = save_p_re;
@@ -8419,7 +8428,6 @@ vim_regexec_multi(
rex_in_use = rex_in_use_save;
if (rex_in_use)
rex = rex_save;
rmp->regprog->re_in_use = FALSE;
return result <= 0 ? 0 : result;
}