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Eliminate token length assumption in scanstr().

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This commit is contained in:
Tom Lane
1999-09-11 22:26:47 +00:00
parent a7fd74edb3
commit b65ab31910
4 changed files with 20 additions and 13 deletions
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12
src/backend/parser/scansup.c
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@ -8,7 +8,7 @@
*
*
* IDENTIFICATION
* $Header: /cvsroot/pgsql/src/backend/parser/scansup.c,v 1.16 1999/07/17 20:17:27 momjian Exp $
* $Header: /cvsroot/pgsql/src/backend/parser/scansup.c,v 1.17 1999/09/11 22:26:35 tgl Exp $
*
*-------------------------------------------------------------------------
*/
@ -25,24 +25,26 @@
* if the string passed in has escaped codes, map the escape codes to actual
* chars
*
* the string returned is a pointer to static storage and should NOT
* be freed by the caller.
* the string returned is palloc'd and should eventually be pfree'd by the
* caller!
* ----------------
*/
char *
scanstr(char *s)
{
static char newStr[MAX_PARSE_BUFFER];
char *newStr;
int len,
i,
j;
if (s == NULL || s[0] == '\0')
return s;
return pstrdup("");
len = strlen(s);
newStr = palloc(len+1); /* string cannot get longer */
for (i = 0, j = 0; i < len; i++)
{
if (s[i] == '\'')