search for: vsplus

...ag) varflags = *p++; subtype = varflags & VSTYPE; - if (!subtype) - sh_error("Bad substitution"); - quoted = flag & EXP_QUOTED; var = p; startloc = expdest - (char *)stackblock(); @@ -726,32 +713,30 @@ again: if (varflags & VSNUL) varlen--; - if (subtype == VSPLUS) { + switch (subtype) { + case VSPLUS: varlen = -1 - varlen; - goto vsplus; - } + /* fall through */ - if (subtype == VSMINUS) { -vsplus: - if (varlen < 0) { - argstr(p, flag | EXP_TILDE | EXP_WORD); - goto end; - } + case 0: + case VSMINUS: + p = argstr(p, flag | EXP_TILDE | EXP_W...

...s <ben at decadent.org.uk> --- usr/dash/expand.c | 32 +++++++++++++------------------- 1 file changed, 13 insertions(+), 19 deletions(-) diff --git a/usr/dash/expand.c b/usr/dash/expand.c index add952b7..9bbd19da 100644 --- a/usr/dash/expand.c +++ b/usr/dash/expand.c @@ -753,28 +753,22 @@ vsplus: argstr(p, flag | EXP_TILDE | EXP_WORD); goto end; } - if (easy) - goto record; - goto end; + goto record; } if (subtype == VSASSIGN || subtype == VSQUESTION) { - if (varlen < 0) { - if (subevalvar(p, var, 0, subtype, startloc, - varflags, flag & ~QUOTES_ES...

...s <ben at decadent.org.uk> --- usr/dash/expand.c | 32 +++++++++++++------------------- 1 file changed, 13 insertions(+), 19 deletions(-) diff --git a/usr/dash/expand.c b/usr/dash/expand.c index add952b7..9bbd19da 100644 --- a/usr/dash/expand.c +++ b/usr/dash/expand.c @@ -753,28 +753,22 @@ vsplus: argstr(p, flag | EXP_TILDE | EXP_WORD); goto end; } - if (easy) - goto record; - goto end; + goto record; } if (subtype == VSASSIGN || subtype == VSQUESTION) { - if (varlen < 0) { - if (subevalvar(p, var, 0, subtype, startloc, - varflags, flag & ~QUOTES_ES...

...ellparam.nparam)); - nulonly = easy; startloc = expdest - (char *)stackblock(); p = strchr(p, '=') + 1; again: - varlen = varvalue(var, varflags, flag, &nulonly); + varlen = varvalue(var, varflags, flag, &quoted); if (varflags & VSNUL) varlen--; @@ -783,7 +781,7 @@ vsplus: record: if (!easy) goto end; - recordregion(startloc, expdest - (char *)stackblock(), nulonly); + recordregion(startloc, expdest - (char *)stackblock(), quoted); goto end; } @@ -888,7 +886,7 @@ strtodest(p, syntax, quotes) */ STATIC ssize_t -varvalue(char *name, int varflags,...

...ellparam.nparam)); - nulonly = easy; startloc = expdest - (char *)stackblock(); p = strchr(p, '=') + 1; again: - varlen = varvalue(var, varflags, flag, &nulonly); + varlen = varvalue(var, varflags, flag, &quoted); if (varflags & VSNUL) varlen--; @@ -783,7 +781,7 @@ vsplus: record: if (!easy) goto end; - recordregion(startloc, expdest - (char *)stackblock(), nulonly); + recordregion(startloc, expdest - (char *)stackblock(), quoted); goto end; } @@ -888,7 +886,7 @@ strtodest(p, syntax, quotes) */ STATIC ssize_t -varvalue(char *name, int varflags,...

...39;@' && shellparam.nparam)); startloc = expdest - (char *)stackblock(); p = strchr(p, '=') + 1; again: - varlen = varvalue(var, varflags, flag, &quoted); + varlen = varvalue(var, varflags, flag, quoted); if (varflags & VSNUL) varlen--; @@ -771,8 +769,11 @@ vsplus: if (subtype == VSNORMAL) { record: - if (!easy) - goto end; + if (quoted) { + quoted = *var == '@' && shellparam.nparam; + if (!quoted) + goto end; + } recordregion(startloc, expdest - (char *)stackblock(), quoted); goto end; } @@ -878,7 +879,7 @@ strtodest...

...39;@' && shellparam.nparam)); startloc = expdest - (char *)stackblock(); p = strchr(p, '=') + 1; again: - varlen = varvalue(var, varflags, flag, &quoted); + varlen = varvalue(var, varflags, flag, quoted); if (varflags & VSNUL) varlen--; @@ -771,8 +769,11 @@ vsplus: if (subtype == VSNORMAL) { record: - if (!easy) - goto end; + if (quoted) { + quoted = *var == '@' && shellparam.nparam; + if (!quoted) + goto end; + } recordregion(startloc, expdest - (char *)stackblock(), quoted); goto end; } @@ -878,7 +879,7 @@ strtodest...

...&& shellparam.nparam)); + nulonly = easy; startloc = expdest - (char *)stackblock(); p = strchr(p, '=') + 1; again: - varlen = varvalue(var, varflags, flag); + varlen = varvalue(var, varflags, flag, &nulonly); if (varflags & VSNUL) varlen--; @@ -787,7 +789,7 @@ vsplus: if (!easy) goto end; record: - recordregion(startloc, expdest - (char *)stackblock(), quoted); + recordregion(startloc, expdest - (char *)stackblock(), nulonly); goto end; } @@ -892,7 +894,7 @@ strtodest(p, syntax, quotes) */ STATIC ssize_t -varvalue(char *name, int varflags,...

...xpand.c @@ -698,6 +698,7 @@ evalvar(char *p, int flag) int patloc; int startloc; ssize_t varlen; + int discard; int quoted; varflags = *p++; @@ -713,41 +714,41 @@ again: if (varflags & VSNUL) varlen--; + discard = varlen < 0 ? EXP_DISCARD : 0; + switch (subtype) { case VSPLUS: - varlen = -1 - varlen; + discard ^= EXP_DISCARD; /* fall through */ case 0: case VSMINUS: - p = argstr(p, flag | EXP_TILDE | EXP_WORD); - if (varlen < 0) - return p; + p = argstr(p, flag | EXP_TILDE | EXP_WORD | + (discard ^ EXP_DISCARD)); goto record; case VSASS...

...&& shellparam.nparam)); + nulonly = easy; startloc = expdest - (char *)stackblock(); p = strchr(p, '=') + 1; again: - varlen = varvalue(var, varflags, flag); + varlen = varvalue(var, varflags, flag, &nulonly); if (varflags & VSNUL) varlen--; @@ -787,7 +789,7 @@ vsplus: if (!easy) goto end; record: - recordregion(startloc, expdest - (char *)stackblock(), quoted); + recordregion(startloc, expdest - (char *)stackblock(), nulonly); goto end; } @@ -892,7 +894,7 @@ strtodest(p, syntax, quotes) */ STATIC ssize_t -varvalue(char *name, int varflags,...

...strlen(p); - memtodest(p, len, syntax, quotes); + memtodest(p, len, flags); return len; } @@ -886,15 +879,14 @@ varvalue(char *name, int varflags, int flags, int quoted) int sep; char sepc; char **ap; - char const *syntax; int subtype = varflags & VSTYPE; int discard = subtype == VSPLUS || subtype == VSLENGTH; - int quotes = (discard ? 0 : (flags & QUOTES_ESC)) | QUOTES_KEEPNUL; ssize_t len = 0; char c; + flags |= EXP_KEEPNUL; + flags &= discard ? ~QUOTES_ESC : ~0; sep = (flags & EXP_FULL) << CHAR_BIT; - syntax = quoted ? DQSYNTAX : BASESYNTAX; switch...