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fix

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tg
2008-02-27 12:49:54 +00:00
parent 85b0cb20eb
commit 8aa54e42a9
3 changed files with 32 additions and 25 deletions
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43
eval.c
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@ -2,7 +2,7 @@
#include "sh.h"
__RCSID("$MirOS: src/bin/mksh/eval.c,v 1.38 2008/02/27 11:24:11 tg Exp $");
__RCSID("$MirOS: src/bin/mksh/eval.c,v 1.39 2008/02/27 12:49:53 tg Exp $");
#ifdef MKSH_SMALL
#define MKSH_NOPWNAM
@ -166,7 +166,7 @@ expand(const char *cp, /* input word */
int newlines = 0; /* For trailing newlines in COMSUB */
int saw_eq, tilde_ok;
int make_magic;
int sqchar = 0; /* char to keep bksl before (${…/…\/…/…}) */
int sqmode = 0; /* keep backslashes before [\\/%#] */
size_t len;
if (cp == NULL)
@ -379,7 +379,7 @@ expand(const char *cp, /* input word */
f = DOPAT | (f&DONTRUNCOMMAND) |
DOTEMP_;
quote = 0;
sqchar = 0x100 | '/';
sqmode = 2;
break;
case '=':
/* Enabling tilde expansion
@ -424,7 +424,7 @@ expand(const char *cp, /* input word */
tilde_ok = 0; /* in case of ${unset:-} */
*dp = '\0';
quote = st->quote;
sqchar = 0;
sqmode = 0;
f = st->f;
if (f&DOBLANK)
doblank--;
@ -600,15 +600,17 @@ expand(const char *cp, /* input word */
break;
}
if (sqchar) {
/* keep backslash before backslash or sqchar */
if (quote || c == '\\')
if (sqmode) {
/* keep backslash before backslash or C_SUBOP2 char */
if ((c == '\\') ||
(quote && c == '/') ||
(quote && sqmode == 2 && ctype(c, C_SUBOP2)))
*dp++ = '\\';
if (sqchar & 0x100 && (quote || (sqchar & 0xFF) != c)) {
/* beginning of string, ign. leading sqchars */
sqchar &= 0xFF;
} else if ((sqchar & 0xFF) == c && !quote)
sqchar = 0;
if (sqmode == 2 && (quote || c != '/'))
/* beginning of string, ign. leading chars */
sqmode = 1;
else if (!quote && c == '/')
sqmode = 0;
}
/* check for end of word or IFS separation */
@ -1019,6 +1021,8 @@ trimsub(char *str, char *pat, int how)
s = d = rpat = str_save(pat, ATEMP);
while ((c = *s++))
if (c == '\\') {
if (s[0] == '\\' && s[1] != '/')
++s;
if (!(*d++ = *s++))
break;
} else if (c == '/') {
@ -1040,17 +1044,16 @@ trimsub(char *str, char *pat, int how)
/* first see if we have any match at all */
tpat0 = rpat;
if (*rpat == '\\' && (rpat[1] == '#' || rpat[1] == '%'))
tpat0++;
if (*tpat0 == '#') {
d = pat;
if (*d == '\\')
++d;
if (*d == '#') {
/* anchor at the beginning */
tpat0++;
tpat1 = shf_smprintf("%s%c*", tpat0, MAGIC);
tpat1 = shf_smprintf("%s%c*", ++tpat0, MAGIC);
tpat2 = tpat1;
} else if (*tpat0 == '%') {
} else if (*d == '%') {
/* anchor at the end */
tpat0++;
tpat1 = shf_smprintf("%c*%s", MAGIC, tpat0);
tpat1 = shf_smprintf("%c*%s", MAGIC, ++tpat0);
tpat2 = tpat0;
} else {
/* float */