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Fix checking if a variable name is LINENO. As STPUTC changes the pointer if it

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needs to enlarge the buffer, we must not keep a pointer to the beginning.

PR:	ports/123879
This commit is contained in:
stefanf 2008-05-28 21:44:32 +00:00
parent d488b8018a
commit 20001eb2e2
1 changed files with 5 additions and 2 deletions
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7
bin/sh/parser.c
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@ -1188,6 +1188,7 @@ parsesub: {
int bracketed_name = 0; /* used to handle ${[0-9]*} variables */
int i;
int linno;
int length;
c = pgetc();
if (c != '(' && c != '{' && (is_eof(c) || !is_name(c)) &&
@ -1220,12 +1221,14 @@ parsesub: {
subtype = 0;
}
if (!is_eof(c) && is_name(c)) {
p = out;
length = 0;
do {
STPUTC(c, out);
c = pgetc();
length++;
} while (!is_eof(c) && is_in_name(c));
if (out - p == 6 && strncmp(p, "LINENO", 6) == 0) {
if (length == 6 &&
strncmp(out - length, "LINENO", length) == 0) {
/* Replace the variable name with the
* current line number. */
linno = plinno;