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ash: add/improve comments, no code changes

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This commit is contained in:
Denis Vlasenko 2009-03-31 19:36:58 +00:00
parent 46aeab9a34
commit f6fbd62760
1 changed files with 5 additions and 3 deletions
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8
shell/ash.c
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@ -12618,14 +12618,16 @@ readcmd(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
}
if (c == '\n')
break;
/* $IFS splitting */
/* http://www.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_06_05 */
is_ifs = strchr(ifs, c);
if (startword && is_ifs) {
if (isspace(c))
continue;
/* non-space ifs char */
/* it is a non-space ifs char */
startword--;
if (startword == 1) /* first one? */
continue;
continue; /* yes, it is not next word yet */
}
startword = 0;
if (ap[1] != NULL && is_ifs) {
@ -12634,7 +12636,7 @@ readcmd(int argc UNUSED_PARAM, char **argv UNUSED_PARAM)
beg = stackblock();
setvar(*ap, beg, 0);
ap++;
/* can we skip one non-space ifs? (2: yes) */
/* can we skip one non-space ifs char? (2: yes) */
startword = isspace(c) ? 2 : 1;
STARTSTACKSTR(p);
continue;