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ash: comment non-obvious code part

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This commit is contained in:
Denis Vlasenko 2007-07-29 14:05:27 +00:00
parent 1bab1de698
commit dee82b6b78
1 changed files with 7 additions and 2 deletions
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9
shell/ash.c
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@ -11121,14 +11121,16 @@ find_command(char *name, struct cmdentry *entry, int act, const char *path)
loop:
while ((fullname = padvance(&path, name)) != NULL) {
stunalloc(fullname);
/* NB: code below will still use fullname
* despite it being "unallocated" */
idx++;
if (pathopt) {
if (prefix(pathopt, "builtin")) {
if (bcmd)
goto builtin_success;
continue;
} else if (!(act & DO_NOFUNC) &&
prefix(pathopt, "func")) {
} else if (!(act & DO_NOFUNC)
&& prefix(pathopt, "func")) {
/* handled below */
} else {
/* ignore unimplemented options */
@ -11156,6 +11158,9 @@ find_command(char *name, struct cmdentry *entry, int act, const char *path)
continue;
if (pathopt) { /* this is a %func directory */
stalloc(strlen(fullname) + 1);
/* NB: stalloc will return space pointed by fullname
* (because we don't have any intervening allocations
* between stunalloc above and this stalloc) */
readcmdfile(fullname);
cmdp = cmdlookup(name, 0);
if (cmdp == NULL || cmdp->cmdtype != CMDFUNCTION)