diff options
Diffstat (limited to 'man3/strfromd.3')
| -rw-r--r-- | man3/strfromd.3 | 40 |
1 files changed, 20 insertions, 20 deletions
diff --git a/man3/strfromd.3 b/man3/strfromd.3 index 6bcc113..9243191 100644 --- a/man3/strfromd.3 +++ b/man3/strfromd.3 @@ -10,7 +10,7 @@ .\" ISO/IEC TS 18661-1 technical specification. .\" snprintf and other man.3 pages. .\" -.TH strfromd 3 2023-07-20 "Linux man-pages 6.05.01" +.TH strfromd 3 2023-10-31 "Linux man-pages 6.7" .SH NAME strfromd, strfromf, strfroml \- convert a floating-point value into a string @@ -20,7 +20,7 @@ Standard C library .SH SYNOPSIS .nf .B #include <stdlib.h> -.PP +.P .BI "int strfromd(char " str "[restrict ." n "], size_t " n , .BI " const char *restrict " format ", double " fp ");" .BI "int strfromf(char " str "[restrict ." n "], size_t " n , @@ -28,12 +28,12 @@ Standard C library .BI "int strfroml(char " str "[restrict ." n "], size_t " n , .BI " const char *restrict " format ", long double " fp ");" .fi -.PP +.P .RS -4 Feature Test Macro Requirements for glibc (see .BR feature_test_macros (7)): .RE -.PP +.P .BR strfromd (), .BR strfromf (), .BR strfroml (): @@ -52,26 +52,26 @@ At most .I n characters are stored into .IR str . -.PP +.P The terminating null byte ('\e0') is written if and only if .I n is sufficiently large, otherwise the written string is truncated at .I n characters. -.PP +.P The .BR strfromd (), .BR strfromf (), and .BR strfroml () functions are equivalent to -.PP +.P .in +4n .EX snprintf(str, n, format, fp); .EE .in -.PP +.P except for the .I format string. @@ -93,7 +93,7 @@ Finally, the format string should have one of the conversion specifiers .BR g , or .BR G . -.PP +.P The conversion specifier is applied based on the floating-point type indicated by the function suffix. Therefore, unlike @@ -102,10 +102,10 @@ the format string does not have a length modifier character. See .BR snprintf (3) for a detailed description of these conversion specifiers. -.PP +.P The implementation conforms to the C99 standard on conversion of NaN and infinity values: -.PP +.P .RS If .I fp @@ -124,12 +124,12 @@ If .BR E , .BR G ) is the conversion specifier, the conversion is to "NAN" or "\-NAN". -.PP +.P Likewise if .I fp is infinity, it is converted to [\-]inf or [\-]INF. .RE -.PP +.P A malformed .I format string results in undefined behavior. @@ -154,7 +154,7 @@ For an explanation of the terms used in this section, see and the .B POSIX Safety Concepts section in GNU C Library manual. -.PP +.P .TS allbox; lbx lb lb @@ -170,7 +170,7 @@ T} Thread safety MT-Safe locale \^ Async-signal safety AS-Unsafe heap \^ Async-cancel safety AC-Unsafe mem .TE -.sp 1 +.P Note: these attributes are preliminary. .SH STANDARDS ISO/IEC TS 18661-1. @@ -189,7 +189,7 @@ category of the current locale. .SH EXAMPLES To convert the value 12.1 as a float type to a string using decimal notation, resulting in "12.100000": -.PP +.P .in +4n .EX #define __STDC_WANT_IEC_60559_BFP_EXT__ @@ -199,10 +199,10 @@ char s[ssize]; strfromf(s, ssize, "%f", 12.1); .EE .in -.PP +.P To convert the value 12.3456 as a float type to a string using decimal notation with two digits of precision, resulting in "12.35": -.PP +.P .in +4n .EX #define __STDC_WANT_IEC_60559_BFP_EXT__ @@ -212,10 +212,10 @@ char s[ssize]; strfromf(s, ssize, "%.2f", 12.3456); .EE .in -.PP +.P To convert the value 12.345e19 as a double type to a string using scientific notation with zero digits of precision, resulting in "1E+20": -.PP +.P .in +4n .EX #define __STDC_WANT_IEC_60559_BFP_EXT__ |