f6fbd6276
Denis Vlasenko
2009-03-31
Subject
ash: add/improve comments, no code changes
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shell/ash.c+5 -3
| @@ -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; | |