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Must count '*' characters as potential arguments.

This commit is contained in:
Tom Lane 2005-04-14 20:53:09 +00:00
parent 055467d504
commit b79a718fac
1 changed files with 11 additions and 7 deletions
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18
src/port/snprintf.c
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@ -62,7 +62,7 @@
* causing nasty effects.
**************************************************************/
/*static char _id[] = "$PostgreSQL: pgsql/src/port/snprintf.c,v 1.26 2005/03/20 13:54:53 momjian Exp $";*/
/*static char _id[] = "$PostgreSQL: pgsql/src/port/snprintf.c,v 1.27 2005/04/14 20:53:09 tgl Exp $";*/
static void dopr(char *buffer, const char *format, va_list args, char *end);
@ -194,7 +194,7 @@ dopr(char *buffer, const char *format, va_list args, char *end)
int precision;
int position;
char *output;
int percents = 1;
int nargs = 1;
const char *p;
struct fmtpar
{
@ -220,18 +220,22 @@ dopr(char *buffer, const char *format, va_list args, char *end)
int longlongflag;
} *fmtpar, **fmtparptr;
/* Create enough structures to hold all arguments */
/*
* Create enough structures to hold all arguments. This overcounts,
* eg not all '*' characters are necessarily arguments, but it's not
* worth being exact.
*/
for (p = format; *p != '\0'; p++)
if (*p == '%') /* counts %% as two, so overcounts */
percents++;
if (*p == '%' || *p == '*')
nargs++;
/* Need to use malloc() because memory system might not be started yet. */
if ((fmtpar = malloc(sizeof(struct fmtpar) * percents)) == NULL)
if ((fmtpar = malloc(sizeof(struct fmtpar) * nargs)) == NULL)
{
fprintf(stderr, _("out of memory\n"));
exit(1);
}
if ((fmtparptr = malloc(sizeof(struct fmtpar *) * percents)) == NULL)
if ((fmtparptr = malloc(sizeof(struct fmtpar *) * nargs)) == NULL)
{
fprintf(stderr, _("out of memory\n"));
exit(1);