stdio: add void 'l' format string qualifier

Wformat requires uint32_t to be used in format string with the 'l'
qualifier (l = long = at least 32 bits).
this qualifier was not handled before.
since on ARM 32-bit int == long we can simply ignore it (stdio
already does not support 64-bit data).

Change-Id: Ib506a66f68712c6b3eeb5129a39abf47ec86a2a7
This commit is contained in:
Kevin Redon 2018-08-28 19:36:58 +02:00
parent 80d9476602
commit 29200c6223
1 changed files with 16 additions and 13 deletions

View File

@ -350,19 +350,22 @@ signed int vsnprintf(char *pStr, size_t length, const char *pFormat, va_list ap)
}
// Parse type
switch (*pFormat) {
case 'd':
case 'i': num = PutSignedInt(pStr, fill, width, va_arg(ap, signed int)); break;
case 'u': num = PutUnsignedInt(pStr, fill, width, va_arg(ap, unsigned int)); break;
case 'x': num = PutHexa(pStr, fill, width, 0, va_arg(ap, unsigned int)); break;
case 'X': num = PutHexa(pStr, fill, width, 1, va_arg(ap, unsigned int)); break;
case 's': num = PutString(pStr, va_arg(ap, char *)); break;
case 'c': num = PutChar(pStr, va_arg(ap, unsigned int)); break;
default:
return EOF;
}
pFormat++;
do {
num = 0;
switch (*pFormat) {
case 'l': num = -1; break; // ignore long qualifier since int == long (and long long is not supported)
case 'd':
case 'i': num = PutSignedInt(pStr, fill, width, va_arg(ap, signed int)); break;
case 'u': num = PutUnsignedInt(pStr, fill, width, va_arg(ap, unsigned int)); break;
case 'x': num = PutHexa(pStr, fill, width, 0, va_arg(ap, unsigned int)); break;
case 'X': num = PutHexa(pStr, fill, width, 1, va_arg(ap, unsigned int)); break;
case 's': num = PutString(pStr, va_arg(ap, char *)); break;
case 'c': num = PutChar(pStr, va_arg(ap, unsigned int)); break;
default:
return EOF;
}
pFormat++;
} while (num < 0);
pStr += num;
size += num;
}