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SDL_vsnprintf: %.* and %* now parse precision and width. (bug #4263.)

This commit is contained in:
Ozkan Sezer 2018-09-26 10:38:40 +03:00
parent d40657bfc9
commit d0e9a36460
1 changed files with 7 additions and 0 deletions
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7
src/stdlib/SDL_string.c
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@ -1593,11 +1593,18 @@ SDL_vsnprintf(SDL_OUT_Z_CAP(maxlen) char *text, size_t maxlen, const char *fmt,
if (*fmt >= '0' && *fmt <= '9') {
info.width = SDL_strtol(fmt, (char **)&fmt, 0);
}
else if (*fmt == '*') {
++fmt;
info.width = va_arg(ap, int);
}
if (*fmt == '.') {
++fmt;
if (*fmt >= '0' && *fmt <= '9') {
info.precision = SDL_strtol(fmt, (char **)&fmt, 0);
} else if (*fmt == '*') {
++fmt;
info.precision = va_arg(ap, int);
} else {
info.precision = 0;
}