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commit bash-20160603 snapshot

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This commit is contained in:
Chet Ramey
2016-06-07 16:46:16 -04:00
parent 80df5e5041
commit 80c3b1d4bd
17 changed files with 834 additions and 782 deletions
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general.c
+33 -6
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@@ -228,21 +228,21 @@ legal_identifier (name)
}
/* Return 1 if NAME is a valid value that can be assigned to a nameref
variable. The FOR_ASSIGNMENT flag is currently unused, but it could
variable. FLAGS can be 2, in which case the name is going to be used
to create a variable. Other values are currently unused, but could
be used to allow values to be stored and indirectly referenced, but
not used in assignments. */
int
valid_nameref_value (name, for_assignment)
valid_nameref_value (name, flags)
char *name;
int for_assignment;
int flags;
{
intmax_t r;
if (name == 0 || *name == 0)
return 0;
/* valid identifier */
#if defined (ARRAY_VARS)
if (legal_identifier (name) || valid_array_reference (name, 0))
if (legal_identifier (name) || (flags != 2 && valid_array_reference (name, 0)))
#else
if (legal_identifier (name))
#endif
@@ -251,6 +251,33 @@ valid_nameref_value (name, for_assignment)
return 0;
}
int
check_selfref (name, value, flags)
const char *name;
const char *value;
int flags;
{
char *t;
if (STREQ (name, value))
return 1;
#if defined (ARRAY_VARS)
if (valid_array_reference (value, 0))
{
t = array_variable_name (value, (int *)NULL, (int *)NULL);
if (t && STREQ (name, t))
{
free (t);
return 1;
}
free (t);
}
#endif
return 0; /* not a self reference */
}
/* Make sure that WORD is a valid shell identifier, i.e.
does not contain a dollar sign, nor is quoted in any way. Nor
does it consist of all digits. If CHECK_WORD is non-zero,