diff options
Diffstat (limited to 'Src/pattern.c')
| -rw-r--r-- | Src/pattern.c | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/Src/pattern.c b/Src/pattern.c index 1c90f72a1..eef88ac6e 100644 --- a/Src/pattern.c +++ b/Src/pattern.c @@ -1757,6 +1757,9 @@ patmatch(Upat prog) * over, that doesn't matter: we should fail anyway. * The pointer also tells us where the asserted * pattern matched for use by the exclusion. + * + * P.S. in case you were wondering, this code + * is horrible. */ Upat syncstrp; unsigned char *oldsyncstr; @@ -1782,6 +1785,7 @@ patmatch(Upat prog) char savchar, *testptr; char *savpatinstart = patinstart; int savforce = forceerrs, savpatinlen = patinlen; + int savpatflags = patflags; forceerrs = -1; savglobdots = globdots; matchederrs = errsfound; @@ -1800,6 +1804,12 @@ patmatch(Upat prog) testptr = patinstart + (syncpt - syncstrp->p); DPUTS(testptr > matchpt, "BUG: EXCSYNC failed"); savchar = *testptr; + /* + * If this isn't really the end of the string, + * remember this for the (#e) assertion. + */ + if (savchar) + patflags |= PAT_NOTEND; *testptr = '\0'; next = PATNEXT(scan); while (next && P_ISEXCLUDE(next)) { @@ -1848,6 +1858,7 @@ patmatch(Upat prog) next = PATNEXT(next); } *testptr = savchar; + patflags = savpatflags; globdots = savglobdots; forceerrs = savforce; if (ret) @@ -2015,11 +2026,11 @@ patmatch(Upat prog) */ return 0; case P_ISSTART: - if (patinput != patinstart) + if (patinput != patinstart || (patflags & PAT_NOTSTART)) fail = 1; break; case P_ISEND: - if (*patinput) + if (*patinput || (patflags & PAT_NOTEND)) fail = 1; break; case P_END: |