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authorGravatar Eric Andersen <andersen@codepoet.org>2004-07-30 23:52:08 +0000
committerGravatar Eric Andersen <andersen@codepoet.org>2004-07-30 23:52:08 +0000
commit67776bef59096ff09cea39cb7c6e382b7c4f4a60 (patch)
tree0bd2be3d7957fba80b8aa9c82d0cb716cee90bad /editors
parentcbcdbc41ffab413767569891b58526b4d1066627 (diff)
downloadbusybox-67776bef59096ff09cea39cb7c6e382b7c4f4a60.tar.gz
busybox-67776bef59096ff09cea39cb7c6e382b7c4f4a60.tar.bz2
Simon Poole reports that awk segfaults when environment variables
with no value exist, i.e. $ export BOB='' % ./busybox awk Segmentation fault This patch teaches awk to not blow chunks on empty env variables. -Erik
Diffstat (limited to 'editors')
-rw-r--r--editors/awk.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/editors/awk.c b/editors/awk.c
index af8958925..c0e1a71fe 100644
--- a/editors/awk.c
+++ b/editors/awk.c
@@ -2670,8 +2670,12 @@ extern int awk_main(int argc, char **argv) {
for (envp=environ; *envp; envp++) {
s = bb_xstrdup(*envp);
s1 = strchr(s, '=');
+ if (!s1) {
+ goto keep_going;
+ }
*(s1++) = '\0';
setvar_u(findvar(iamarray(V[ENVIRON]), s), s1);
+keep_going:
free(s);
}