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 #ifndef FMT_H #define FMT_H #define FMT_LONG 41 /* enough space to hold -2^127 in decimal, plus \0 */ #define FMT_ULONG 40 /* enough space to hold 2^128 - 1 in decimal, plus \0 */ #define FMT_8LONG 44 /* enough space to hold 2^128 - 1 in octal, plus \0 */ #define FMT_XLONG 33 /* enough space to hold 2^128 - 1 in hexadecimal, plus \0 */ #define FMT_LEN ((char *) 0) /* convenient abbreviation */ /* The formatting routines do not append \0! * Use them like this: buf[fmt_ulong(buf,number)]=0; */ /* convert signed src integer -23 to ASCII '-','2','3', return length. * If dest is not NULL, write result to dest */ unsigned int fmt_long(char *dest,signed long src); /* convert unsigned src integer 23 to ASCII '2','3', return length. * If dest is not NULL, write result to dest */ unsigned int fmt_ulong(char *dest,unsigned long src); /* convert unsigned src integer 0x23 to ASCII '2','3', return length. * If dest is not NULL, write result to dest */ unsigned int fmt_xlong(char *dest,unsigned long src); /* convert unsigned src integer 023 to ASCII '2','3', return length. * If dest is not NULL, write result to dest */ unsigned int fmt_8long(char *dest,unsigned long src); #define fmt_uint(dest,src) fmt_ulong(dest,src) #define fmt_int(dest,src) fmt_long(dest,src) #define fmt_xint(dest,src) fmt_xlong(dest,src) #define fmt_8int(dest,src) fmt_8long(dest,src) /* Like fmt_ulong, but prepend '0' while length is smaller than padto. * Does not truncate! */ unsigned int fmt_ulong0(char *,unsigned long src,unsigned int padto); #define fmt_uint0(buf,src,padto) fmt_ulong0(buf,src,padto) /* convert src double 1.7 to ASCII '1','.','7', return length. * If dest is not NULL, write result to dest */ unsigned int fmt_double(char *dest, double d,int max,int prec); /* if src is negative, write '-' and return 1. * if src is positive, write '+' and return 1. * otherwise return 0 */ unsigned int fmt_plusminus(char *dest,int src); /* if src is negative, write '-' and return 1. * otherwise return 0. */ unsigned int fmt_minus(char *dest,int src); /* copy str to dest until \0 byte, return number of copied bytes. */ unsigned int fmt_str(char *dest,const char *src); /* copy str to dest until \0 byte or limit bytes copied. * return number of copied bytes. */ unsigned int fmt_strn(char *dest,const char *src,unsigned int limit); /* "foo" -> " foo" * write padlen-srclen spaces, if that is >= 0. Then copy srclen * characters from src. Truncate only if total length is larger than * maxlen. Return number of characters written. */ unsigned int fmt_pad(char* dest,const char* src,unsigned int srclen,unsigned int padlen,unsigned int maxlen); /* "foo" -> "foo " * append padlen-srclen spaces after dest, if that is >= 0. Truncate * only if total length is larger than maxlen. Return number of * characters written. */ unsigned int fmt_fill(char* dest,unsigned int srclen,unsigned int padlen,unsigned int maxlen); /* 1 -> "1", 4900 -> "4.9k", 2300000 -> "2.3M" */ unsigned int fmt_human(char* dest,unsigned long long l); /* 1 -> "1", 4900 -> "4.8k", 2300000 -> "2.2M" */ unsigned int fmt_humank(char* dest,unsigned long long l); #endif