diff options
| -rw-r--r-- | ChangeLog | 5 | ||||
| -rw-r--r-- | Src/Zle/zle_word.c | 90 |
2 files changed, 56 insertions, 39 deletions
@@ -1,3 +1,8 @@ +2016-08-12 Peter Stephenson <p.stephenson@samsung.com> + + * Han Pingtian: 38983: Src/Zle/zle_word.c: make transpose-words + handle numeric arguments sensibly. + 2016-08-12 Barton E. Schaefer <schaefer@zsh.org> * 39028: Src/subst.c, Test/D04parameter.ztst: more join/split diff --git a/Src/Zle/zle_word.c b/Src/Zle/zle_word.c index 3c1f26c40..2a151710a 100644 --- a/Src/Zle/zle_word.c +++ b/Src/Zle/zle_word.c @@ -678,46 +678,54 @@ killword(char **args) int transposewords(UNUSED(char **args)) { - int p1, p2, p3, p4, len, x = zlecs, pos; + int p1, p2, p3, p4, pt, len, x = zlecs, pos; ZLE_STRING_T temp, pp; int n = zmult; int neg = n < 0, ocs = zlecs; if (neg) n = -n; - while (n--) { - while (x != zlell && zleline[x] != ZWC('\n') && !ZC_iword(zleline[x])) - INCPOS(x); - if (x == zlell || zleline[x] == ZWC('\n')) { - x = zlecs; - while (x) { - if (ZC_iword(zleline[x])) - break; - pos = x; - DECPOS(pos); - if (zleline[pos] == ZWC('\n')) - break; - x = pos; - } - if (!x) - return 1; + + while (x != zlell && zleline[x] != ZWC('\n') && !ZC_iword(zleline[x])) + INCPOS(x); + + if (x == zlell || zleline[x] == ZWC('\n')) { + x = zlecs; + while (x) { + if (ZC_iword(zleline[x])) + break; pos = x; DECPOS(pos); if (zleline[pos] == ZWC('\n')) - return 1; - } - for (p4 = x; p4 != zlell && ZC_iword(zleline[p4]); INCPOS(p4)) - ; - for (p3 = p4; p3; ) { - pos = p3; - DECPOS(pos); - if (!ZC_iword(zleline[pos])) break; - p3 = pos; + x = pos; } - if (!p3) + if (!x) return 1; - for (p2 = p3; p2; ) { + pos = x; + DECPOS(pos); + if (zleline[pos] == ZWC('\n')) + return 1; + } + + for (p4 = x; p4 != zlell && ZC_iword(zleline[p4]); INCPOS(p4)) + ; + + for (p3 = p4; p3; ) { + pos = p3; + DECPOS(pos); + if (!ZC_iword(zleline[pos])) + break; + p3 = pos; + } + + if (!p3) + return 1; + + pt = p3; + + while (n--) { + for (p2 = pt; p2; ) { pos = p2; DECPOS(pos); if (ZC_iword(zleline[pos])) @@ -733,20 +741,24 @@ transposewords(UNUSED(char **args)) break; p1 = pos; } - pp = temp = (ZLE_STRING_T)zhalloc((p4 - p1)*ZLE_CHAR_SIZE); - len = p4 - p3; - ZS_memcpy(pp, zleline + p3, len); - pp += len; - len = p3 - p2; - ZS_memcpy(pp, zleline + p2, len); - pp += len; - ZS_memcpy(pp, zleline + p1, p2 - p1); + pt = p1; + } - ZS_memcpy(zleline + p1, temp, p4 - p1); + pp = temp = (ZLE_STRING_T)zhalloc((p4 - p1)*ZLE_CHAR_SIZE); + len = p4 - p3; + ZS_memcpy(pp, zleline + p3, len); + pp += len; + len = p3 - p2; + ZS_memcpy(pp, zleline + p2, len); + pp += len; + ZS_memcpy(pp, zleline + p1, p2 - p1); + + ZS_memcpy(zleline + p1, temp, p4 - p1); - zlecs = p4; - } if (neg) zlecs = ocs; + else + zlecs = p4; + return 0; } |