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Must count '*' characters as potential arguments.

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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. * 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); 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 precision;
int position; int position;
char *output; char *output;
int percents = 1; int nargs = 1;
const char *p; const char *p;
struct fmtpar struct fmtpar
{ {
@ -220,18 +220,22 @@ dopr(char *buffer, const char *format, va_list args, char *end)
int longlongflag; int longlongflag;
} *fmtpar, **fmtparptr; } *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++) for (p = format; *p != '\0'; p++)
if (*p == '%') /* counts %% as two, so overcounts */ if (*p == '%' || *p == '*')
percents++; nargs++;
/* Need to use malloc() because memory system might not be started yet. */ /* 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")); fprintf(stderr, _("out of memory\n"));
exit(1); exit(1);
} }
if ((fmtparptr = malloc(sizeof(struct fmtpar *) * percents)) == NULL) if ((fmtparptr = malloc(sizeof(struct fmtpar *) * nargs)) == NULL)
{ {
fprintf(stderr, _("out of memory\n")); fprintf(stderr, _("out of memory\n"));
exit(1); exit(1);