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| author | Philippe Muller <philippe.muller@gmail.com> | 2013-03-20 09:27:04 +0100 |
|---|---|---|
| committer | Rainer Gerhards <rgerhards@adiscon.com> | 2013-03-20 09:27:34 +0100 |
| commit | 619c70d31f33deb8538636ac1302a2d4032a844e (patch) | |
| tree | 8b9d21c93f63cd608c9dc90daa475861a93ad600 /grammar/rainerscript.c | |
| parent | 83c1920d7a6e675f1f433b047e8ed4e50e1050af (diff) | |
| download | rsyslog-619c70d31f33deb8538636ac1302a2d4032a844e.tar.gz rsyslog-619c70d31f33deb8538636ac1302a2d4032a844e.tar.bz2 rsyslog-619c70d31f33deb8538636ac1302a2d4032a844e.zip | |
bugfix: RainerScript getenv() function caused segfault when var was not found
This patch is released under ASL 2.0 as of email conversation from
2013-03-20.
Signed-off-by: Rainer Gerhards <rgerhards@adiscon.com>
Diffstat (limited to 'grammar/rainerscript.c')
| -rw-r--r-- | grammar/rainerscript.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/grammar/rainerscript.c b/grammar/rainerscript.c index 20b86c5c..b04e53b5 100644 --- a/grammar/rainerscript.c +++ b/grammar/rainerscript.c @@ -1071,8 +1071,12 @@ doFuncCall(struct cnffunc *func, struct var *ret, void* usrptr) estr = var2String(&r[0], &bMustFree); str = (char*) es_str2cstr(estr, NULL); envvar = getenv(str); + if(envvar == NULL) { + ret->d.estr = es_newStr(0); + } else { + ret->d.estr = es_newStrFromCStr(envvar, strlen(envvar)); + } ret->datatype = 'S'; - ret->d.estr = es_newStrFromCStr(envvar, strlen(envvar)); if(bMustFree) es_deleteStr(estr); if(r[0].datatype == 'S') es_deleteStr(r[0].d.estr); free(str); |