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| author | Denis Vlasenko | 2009-03-31 19:36:58 +0000 |
|---|---|---|
| committer | Denis Vlasenko | 2009-03-31 19:36:58 +0000 |
| commit | f6fbd62760252f90ce95212f5cc33f8204159410 (patch) | |
| tree | c93d4e2de96c2c8fbd51c9e94348d2e7bede0570 | |
| parent | 46aeab9a349d097307a87d7dfde3057f9e4e6722 (diff) | |
| download | busybox-f6fbd62760252f90ce95212f5cc33f8204159410.zip busybox-f6fbd62760252f90ce95212f5cc33f8204159410.tar.gz | |
ash: add/improve comments, no code changes
| -rw-r--r-- | shell/ash.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/shell/ash.c b/shell/ash.c index 1de989e..b63a243 100644 --- a/shell/ash.c +++ b/shell/ash.c @@ -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; |