diff options
Diffstat (limited to 'sysdeps/generic/_itoa.h')
| -rw-r--r-- | sysdeps/generic/_itoa.h | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/sysdeps/generic/_itoa.h b/sysdeps/generic/_itoa.h index 8870ee0286..0a670431e4 100644 --- a/sysdeps/generic/_itoa.h +++ b/sysdeps/generic/_itoa.h @@ -21,6 +21,21 @@ #include <limits.h> +/* When long long is different from long, by default, _itoa_word is + provided to convert long to ASCII and _itoa is provided to convert + long long. A sysdeps _itoa.h can define _ITOA_NEEDED to 0 and define + _ITOA_WORD_TYPE to unsigned long long int to override it so that + _itoa_word is changed to convert long long to ASCII and _itoa is + mapped to _itoa_word. */ + +#ifndef _ITOA_NEEDED +# define _ITOA_NEEDED (LONG_MAX != LLONG_MAX) +#endif +#ifndef _ITOA_WORD_TYPE +# define _ITOA_WORD_TYPE unsigned long int +#endif + + /* Convert VALUE into ASCII in base BASE (2..36). Write backwards starting the character just before BUFLIM. Return the address of the first (left-to-right) character in the number. @@ -35,11 +50,11 @@ extern const char _itoa_lower_digits[]; extern const char _itoa_lower_digits_internal[] attribute_hidden; #ifndef NOT_IN_libc -extern char *_itoa_word (unsigned long value, char *buflim, +extern char *_itoa_word (_ITOA_WORD_TYPE value, char *buflim, unsigned int base, int upper_case); #else static inline char * __attribute__ ((unused, always_inline)) -_itoa_word (unsigned long value, char *buflim, +_itoa_word (_ITOA_WORD_TYPE value, char *buflim, unsigned int base, int upper_case) { const char *digits = (upper_case @@ -76,12 +91,13 @@ _itoa_word (unsigned long value, char *buflim, /* Similar to the _itoa functions, but output starts at buf and pointer after the last written character is returned. */ -extern char *_fitoa_word (unsigned long value, char *buf, unsigned int base, +extern char *_fitoa_word (_ITOA_WORD_TYPE value, char *buf, + unsigned int base, int upper_case) attribute_hidden; extern char *_fitoa (unsigned long long value, char *buf, unsigned int base, int upper_case) attribute_hidden; -#if LONG_MAX == LLONG_MAX +#if !_ITOA_NEEDED /* No need for special long long versions. */ # define _itoa(value, buf, base, upper_case) \ _itoa_word (value, buf, base, upper_case) |