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Do not segfault if PATH is unset.
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@ -38,15 +38,16 @@ extern int which_main(int argc, char **argv)
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argc--;
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argc--;
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path_list = getenv("PATH");
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path_list = getenv("PATH");
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if (!path_list)
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if (path_list != NULL) {
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path_list = "/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin";
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for(i=strlen(path_list); i > 0; i--)
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if (path_list[i]==':') {
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/* Replace colons with zeros in path_parsed and count them */
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path_list[i]=0;
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for(i=strlen(path_list); i > 0; i--)
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count++;
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if (path_list[i]==':') {
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}
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path_list[i]=0;
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} else {
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count++;
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path_list = "/bin\0/sbin\0/usr/bin\0/usr/sbin\0/usr/local/bin";
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}
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count = 5;
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}
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while(argc-- > 0) {
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while(argc-- > 0) {
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path_n = path_list;
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path_n = path_list;
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8
testsuite/which/which-uses-default-path
Normal file
8
testsuite/which/which-uses-default-path
Normal file
@ -0,0 +1,8 @@
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BUSYBOX=$(type -p busybox)
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echo $BUSYBOX
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SAVED_PATH=$PATH
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unset PATH
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$BUSYBOX which ls
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STATUS=$?
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export PATH=$SAVED_PATH
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return $STATUS
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