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- Fix handling of zero'th argument for sprintf()'s argument swapping code

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(Patch by Morten Poulsen <morten@afdelingp.dk>)
This commit is contained in:
Derick Rethans 2002-03-22 09:09:18 +00:00
parent c7bee30374
commit 25b42ae3b6
1 changed files with 8 additions and 0 deletions
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8
ext/standard/formatted_print.c
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@ -480,6 +480,14 @@ php_formatted_print(int ht, int *len, int use_array TSRMLS_DC)
while (isdigit((int)format[temppos])) temppos++;
if (format[temppos] == '$') {
argnum = php_sprintf_getnumber(format, &inpos);
if (argnum == 0) {
efree(result);
efree(args);
php_error(E_WARNING, "%s(): zero is not a valid argument number", get_active_function_name(TSRMLS_C));
return NULL;
}
inpos++; /* skip the '$' */
} else {
argnum = currarg++;