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ack! back these out so I can see what I did wrong. It looks like a

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patch-by-hand botch, but it sig-11's during make world.
This commit is contained in:
Peter Wemm 1996-09-10 02:07:27 +00:00
parent ae9b8c3a66
commit 1018bd8d3c
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=18200
2 changed files with 15 additions and 31 deletions
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34
bin/sh/expand.c
View File

@ -97,8 +97,8 @@ STATIC char *exptilde __P((char *, int));
STATIC void expbackq __P((union node *, int, int));
STATIC int subevalvar __P((char *, char *, int, int, int));
STATIC char *evalvar __P((char *, int));
STATIC int varisset __P((char *));
STATIC void varvalue __P((char *, int, int));
STATIC int varisset __P((int));
STATIC void varvalue __P((int, int, int));
STATIC void recordregion __P((int, int, int));
STATIC void ifsbreakup __P((char *, struct arglist *));
STATIC void expandmeta __P((struct strlist *, int));
@ -547,7 +547,7 @@ evalvar(p, flag)
p = strchr(p, '=') + 1;
again: /* jump here after setting a variable with ${var=text} */
if (special) {
set = varisset(var);
set = varisset(*var);
val = NULL;
} else {
val = lookupvar(var);
@ -563,7 +563,7 @@ evalvar(p, flag)
/* insert the value of the variable */
if (special) {
char *exp, *oexpdest = expdest;
varvalue(var, varflags & VSQUOTE, flag & EXP_FULL);
varvalue(*var, varflags & VSQUOTE, flag & EXP_FULL);
if (subtype == VSLENGTH) {
for (exp = oexpdest;exp != expdest; exp++)
varlen++;
@ -677,23 +677,22 @@ evalvar(p, flag)
STATIC int
varisset(name)
char *name;
char name;
{
char **ap;
int num;
if (*name == '!') {
if (name == '!') {
if (backgndpid == -1)
return 0;
} else if (*name == '@' || *name == '*') {
} else if (name == '@' || name == '*') {
if (*shellparam.p == NULL)
return 0;
} else if (is_digit(*name)) {
num = atoi(name);
} else if ((unsigned)(name -= '1') <= '9' - '1') {
ap = shellparam.p;
while (num-- > 0)
do {
if (*ap++ == NULL)
return 0;
} while (--name >= 0);
}
return 1;
}
@ -706,7 +705,7 @@ varisset(name)
STATIC void
varvalue(name, quoted, allow_split)
char *name;
char name;
int quoted;
int allow_split;
{
@ -733,7 +732,7 @@ varvalue(name, quoted, allow_split)
} while (0)
switch (*name) {
switch (name) {
case '$':
num = rootpid;
goto numvar;
@ -774,12 +773,9 @@ varvalue(name, quoted, allow_split)
STRTODEST(p);
break;
default:
if (is_digit(*name)) {
num = atoi(name);
if (num > 0 && num <= shellparam.nparam) {
p = shellparam.p[*name];
STRTODEST(p);
}
if ((unsigned)(name -= '1') <= '9' - '1') {
p = shellparam.p[name];
STRTODEST(p);
}
break;
}

12
bin/sh/parser.c
View File

@ -1141,7 +1141,6 @@ parsesub: {
#ifndef GDB_HACK
static const char types[] = "}-+?=";
#endif
int bracketed_name = 0; /* used to handle ${[0-9]*} variables */
c = pgetc();
if (c != '(' && c != '{' && !is_name(c) && !is_special(c)) {
@ -1160,7 +1159,6 @@ parsesub: {
USTPUTC(VSNORMAL, out);
subtype = VSNORMAL;
if (c == '{') {
bracketed_name = 1;
c = pgetc();
if (c == '#') {
if ((c = pgetc()) == '}')
@ -1176,16 +1174,6 @@ parsesub: {
STPUTC(c, out);
c = pgetc();
} while (is_in_name(c));
} else if (is_digit(c)) {
if (bracketed_name) {
do {
STPUTC(c, out);
c = pgetc();
} while (is_digit(c));
} else {
STPUTC(c, out);
c = pgetc();
}
} else {
if (! is_special(c))
badsub: synerror("Bad substitution");