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88 lines
3.4 KiB
88 lines
3.4 KiB
#ifndef FMT_H |
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#define FMT_H |
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/* for time_t: */ |
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#include <sys/types.h> |
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#define FMT_LONG 41 /* enough space to hold -2^127 in decimal, plus \0 */ |
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#define FMT_ULONG 40 /* enough space to hold 2^128 - 1 in decimal, plus \0 */ |
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#define FMT_8LONG 44 /* enough space to hold 2^128 - 1 in octal, plus \0 */ |
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#define FMT_XLONG 33 /* enough space to hold 2^128 - 1 in hexadecimal, plus \0 */ |
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#define FMT_LEN ((char *) 0) /* convenient abbreviation */ |
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/* The formatting routines do not append \0! |
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* Use them like this: buf[fmt_ulong(buf,number)]=0; */ |
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/* convert signed src integer -23 to ASCII '-','2','3', return length. |
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* If dest is not NULL, write result to dest */ |
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unsigned int fmt_long(char *dest,signed long src); |
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/* convert unsigned src integer 23 to ASCII '2','3', return length. |
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* If dest is not NULL, write result to dest */ |
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unsigned int fmt_ulong(char *dest,unsigned long src); |
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/* convert unsigned src integer 0x23 to ASCII '2','3', return length. |
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* If dest is not NULL, write result to dest */ |
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unsigned int fmt_xlong(char *dest,unsigned long src); |
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/* convert unsigned src integer 023 to ASCII '2','3', return length. |
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* If dest is not NULL, write result to dest */ |
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unsigned int fmt_8long(char *dest,unsigned long src); |
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unsigned int fmt_longlong(char *dest,signed long long src); |
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unsigned int fmt_ulonglong(char *dest,unsigned long long src); |
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unsigned int fmt_xlonglong(char *dest,unsigned long long src); |
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#define fmt_uint(dest,src) fmt_ulong(dest,src) |
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#define fmt_int(dest,src) fmt_long(dest,src) |
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#define fmt_xint(dest,src) fmt_xlong(dest,src) |
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#define fmt_8int(dest,src) fmt_8long(dest,src) |
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/* Like fmt_ulong, but prepend '0' while length is smaller than padto. |
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* Does not truncate! */ |
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unsigned int fmt_ulong0(char *,unsigned long src,unsigned int padto); |
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#define fmt_uint0(buf,src,padto) fmt_ulong0(buf,src,padto) |
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/* convert src double 1.7 to ASCII '1','.','7', return length. |
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* If dest is not NULL, write result to dest */ |
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unsigned int fmt_double(char *dest, double d,int max,int prec); |
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/* if src is negative, write '-' and return 1. |
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* if src is positive, write '+' and return 1. |
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* otherwise return 0 */ |
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unsigned int fmt_plusminus(char *dest,int src); |
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/* if src is negative, write '-' and return 1. |
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* otherwise return 0. */ |
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unsigned int fmt_minus(char *dest,int src); |
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/* copy str to dest until \0 byte, return number of copied bytes. */ |
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unsigned int fmt_str(char *dest,const char *src); |
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/* copy str to dest until \0 byte or limit bytes copied. |
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* return number of copied bytes. */ |
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unsigned int fmt_strn(char *dest,const char *src,unsigned int limit); |
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/* "foo" -> " foo" |
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* write padlen-srclen spaces, if that is >= 0. Then copy srclen |
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* characters from src. Truncate only if total length is larger than |
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* maxlen. Return number of characters written. */ |
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unsigned int fmt_pad(char* dest,const char* src,unsigned int srclen,unsigned int padlen,unsigned int maxlen); |
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/* "foo" -> "foo " |
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* append padlen-srclen spaces after dest, if that is >= 0. Truncate |
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* only if total length is larger than maxlen. Return number of |
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* characters written. */ |
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unsigned int fmt_fill(char* dest,unsigned int srclen,unsigned int padlen,unsigned int maxlen); |
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/* 1 -> "1", 4900 -> "4.9k", 2300000 -> "2.3M" */ |
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unsigned int fmt_human(char* dest,unsigned long long l); |
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/* 1 -> "1", 4900 -> "4.8k", 2300000 -> "2.2M" */ |
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unsigned int fmt_humank(char* dest,unsigned long long l); |
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/* "Sun, 06 Nov 1994 08:49:37 GMT" */ |
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unsigned int fmt_httpdate(char* dest,time_t t); |
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#endif
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