Rebase check/lib/snprintf.c from http://www.jhweiss.de/software/snprintf.html ?

Should we?
Diff:
198,203d197
< #ifdef HAVE_ASPRINTF
< #undef HAVE_ASPRINTF
< #endif    /* defined(HAVE_ASPRINTF) */
< #ifdef HAVE_VASPRINTF
< #undef HAVE_VASPRINTF
< #endif    /* defined(HAVE_VASPRINTF) */
210,215d203
< #ifdef asprintf
< #undef asprintf
< #endif    /* defined(asprintf) */
< #ifdef vasprintf
< #undef vasprintf
< #endif    /* defined(vasprintf) */
274,275d261
< #define asprintf rpl_asprintf
< #define vasprintf rpl_vasprintf
278c264
< #if !HAVE_SNPRINTF || !HAVE_VSNPRINTF || !HAVE_ASPRINTF || !HAVE_VASPRINTF
---
> #if !HAVE_SNPRINTF || !HAVE_VSNPRINTF
296,319d281
< #if !HAVE_VASPRINTF
< #if HAVE_STDLIB_H
< #include <stdlib.h>   /* For malloc(3). */
< #endif    /* HAVE_STDLIB_H */
< #ifdef VA_COPY
< #undef VA_COPY
< #endif    /* defined(VA_COPY) */
< #ifdef VA_END_COPY
< #undef VA_END_COPY
< #endif    /* defined(VA_END_COPY) */
< #if HAVE_VA_COPY
< #define VA_COPY(dest, src) va_copy(dest, src)
< #define VA_END_COPY(ap) va_end(ap)
< #elif HAVE___VA_COPY
< #define VA_COPY(dest, src) __va_copy(dest, src)
< #define VA_END_COPY(ap) va_end(ap)
< #else
< #define VA_COPY(dest, src) (void)mymemcpy(&dest, &src, sizeof(va_list))
< #define VA_END_COPY(ap) /* No-op. */
< #define NEED_MYMEMCPY 1
< static void *mymemcpy(void *, void *, size_t);
< #endif    /* HAVE_VA_COPY */
< #endif    /* !HAVE_VASPRINTF */
< 
364c326
< #if HAVE_UINTMAX_T || defined(uintmax_t)
---
> #if defined(HAVE_UINTMAX_T) || defined(uintmax_t)
397c359
< #if HAVE_INTMAX_T || defined(intmax_t)
---
> #if defined(HAVE_INTMAX_T) || defined(intmax_t)
406c368
< #if HAVE_UINTPTR_T || defined(uintptr_t)
---
> #if defined(HAVE_UINTPTR_T) || defined(uintptr_t)
415c377
< #if HAVE_PTRDIFF_T || defined(ptrdiff_t)
---
> #if defined(HAVE_PTRDIFF_T) || defined(ptrdiff_t)
482c444
< #define PRINT_C_LLONG           4
---
> /*#define PRINT_C_LLONG         4 */
536a499
>   /* Disabling, as long long is not supported in C90.
537a501
>   */
670c634,635
<               if (ch == 'l') {    /* It's a long long. */
---
>               /*
>               if (ch == 'l') }
673c638
<               } else
---
>               } else */
691a657,659
>           default:
>               /* Lenght modifier is invalid */
>               break;
709a678
>               /*
712a682
>               */
754a725
>               /*
757a729
>               */
842c814
<               if ((strvalue = va_arg(args, void *)) == NULL)
---
>               if ((strvalue = (const char *)va_arg(args, void *)) == NULL)
875a848
>               /*
879a853
>               */
915a890,892
>       default:
>           /* This is an invalid state, should not get here */
>           break;
1009a987,989
>       default:
>           /* Invalid base */
>           break;
1472,1502d1451
< #if !HAVE_VASPRINTF
< #if NEED_MYMEMCPY
< void *
< mymemcpy(void *dst, void *src, size_t len)
< {
<   const char *from = src;
<   char *to = dst;
< 
<   /* No need for optimization, we use this only to replace va_copy(3). */
<   while (len-- > 0)
<       *to++ = *from++;
<   return dst;
< }
< #endif    /* NEED_MYMEMCPY */
< 
< int
< rpl_vasprintf(char **ret, const char *format, va_list ap)
< {
<   size_t size;
<   int len;
<   va_list aq;
< 
<   VA_COPY(aq, ap);
<   len = vsnprintf(NULL, 0, format, aq);
<   VA_END_COPY(aq);
<   if (len < 0 || (*ret = malloc(size = len + 1)) == NULL)
<       return -1;
<   return vsnprintf(*ret, size, format, ap);
< }
< #endif    /* !HAVE_VASPRINTF */
< 
1530,1553d1478
< #if !HAVE_ASPRINTF
< #if HAVE_STDARG_H
< int
< rpl_asprintf(char **ret, const char *format, ...)
< #else
< int
< rpl_asprintf(va_alist) va_dcl
< #endif    /* HAVE_STDARG_H */
< {
< #if !HAVE_STDARG_H
<   char **ret;
<   char *format;
< #endif    /* HAVE_STDARG_H */
<   va_list ap;
<   int len;
< 
<   VA_START(ap, format);
<   VA_SHIFT(ap, ret, char **);
<   VA_SHIFT(ap, format, const char *);
<   len = vasprintf(ret, format, ap);
<   va_end(ap);
<   return len;
< }
< #endif    /* !HAVE_ASPRINTF */
1556c1481
< #endif    /* !HAVE_SNPRINTF || !HAVE_VSNPRINTF || !HAVE_ASPRINTF || [...] */
---
> #endif    /* !HAVE_SNPRINTF || !HAVE_VSNPRINTF*/
libcheck / check

Rebase check/lib/snprintf.c from http://www.jhweiss.de/software/snprintf.html ? #215
