diff options
Diffstat (limited to 'libc/stdio/_load_inttype.c')
| -rw-r--r-- | libc/stdio/_load_inttype.c | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/libc/stdio/_load_inttype.c b/libc/stdio/_load_inttype.c new file mode 100644 index 000000000..2dd559a53 --- /dev/null +++ b/libc/stdio/_load_inttype.c @@ -0,0 +1,66 @@ +/* Copyright (C) 2004 Manuel Novoa III <mjn3@codepoet.org> + * + * GNU Library General Public License (LGPL) version 2 or later. + * + * Dedicated to Toni. See uClibc/DEDICATION.mjn3 for details. + */ + +#include "_stdio.h" +#include <printf.h> + +uintmax_t _load_inttype(int desttype, register const void *src, int uflag) +{ + if (uflag >= 0) { /* unsigned */ +#if LONG_MAX != INT_MAX + if (desttype & (PA_FLAG_LONG|PA_FLAG_LONG_LONG)) { +#ifdef LLONG_MAX + if (desttype == PA_FLAG_LONG_LONG) { + return *((unsigned long long int *) src); + } +#endif + return *((unsigned long int *) src); + } +#else /* LONG_MAX != INT_MAX */ +#ifdef LLONG_MAX + if (desttype & PA_FLAG_LONG_LONG) { + return *((unsigned long long int *) src); + } +#endif +#endif /* LONG_MAX != INT_MAX */ + { + unsigned int x; + x = *((unsigned int *) src); + if (desttype == __PA_FLAG_CHAR) x = (unsigned char) x; +#if SHRT_MAX != INT_MAX + if (desttype == PA_FLAG_SHORT) x = (unsigned short int) x; +#endif + return x; + } + } else { /* signed */ +#if LONG_MAX != INT_MAX + if (desttype & (PA_FLAG_LONG|PA_FLAG_LONG_LONG)) { +#ifdef LLONG_MAX + if (desttype == PA_FLAG_LONG_LONG) { + return *((long long int *) src); + } +#endif + return *((long int *) src); + } +#else /* LONG_MAX != INT_MAX */ +#ifdef LLONG_MAX + if (desttype & PA_FLAG_LONG_LONG) { + return *((long long int *) src); + } +#endif +#endif /* LONG_MAX != INT_MAX */ + { + int x; + x = *((int *) src); + if (desttype == __PA_FLAG_CHAR) x = (char) x; +#if SHRT_MAX != INT_MAX + if (desttype == PA_FLAG_SHORT) x = (short int) x; +#endif + return x; + } + } +} |