diff options
Diffstat (limited to 'doc/GetInt.3')
| -rw-r--r-- | doc/GetInt.3 | 44 |
1 files changed, 31 insertions, 13 deletions
diff --git a/doc/GetInt.3 b/doc/GetInt.3 index 83cd2d6..5a3304a 100644 --- a/doc/GetInt.3 +++ b/doc/GetInt.3 @@ -4,11 +4,9 @@ '\" '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. -'\" -'\" RCS: @(#) $Id: GetInt.3,v 1.10 2005/05/10 18:33:56 kennykb Exp $ -'\" -.so man.macros +'\" .TH Tcl_GetInt 3 "" Tcl "Tcl Library Procedures" +.so man.macros .BS .SH NAME Tcl_GetInt, Tcl_GetDouble, Tcl_GetBoolean \- convert from string to integer, double, or boolean @@ -47,28 +45,48 @@ integers). Each of the procedures takes a \fIsrc\fR argument, converts it to an internal form of a particular type, and stores the converted value at the location indicated by the procedure's third argument. If all goes well, each of the procedures returns -\fBTCL_OK\fR. If \fIsrc\fR doesn't have the proper syntax for the +\fBTCL_OK\fR. If \fIsrc\fR does not have the proper syntax for the desired type then \fBTCL_ERROR\fR is returned, an error message is left in the interpreter's result, and nothing is stored at *\fIintPtr\fR or *\fIdoublePtr\fR or *\fIboolPtr\fR. .PP \fBTcl_GetInt\fR expects \fIsrc\fR to consist of a collection -of integer digits, optionally signed and optionally preceded by -white space. If the first two characters of \fIsrc\fR -after the optional white space and sign are ``0x'' +of integer digits, optionally signed and optionally preceded and +followed by white space. If the first two characters of \fIsrc\fR +after the optional white space and sign are +.QW \fB0x\fR then \fIsrc\fR is expected to be in hexadecimal form; otherwise, -if the first such character is ``0'' then \fIsrc\fR +if the first such characters are +.QW \fB0o\fR +then \fIsrc\fR is expected to be in octal form; otherwise, +if the first such characters are +.QW \fB0b\fR +then \fIsrc\fR is expected to be in binary form; otherwise, +if the first such character is +.QW \fB0\fR +then \fIsrc\fR is expected to be in octal form; otherwise, \fIsrc\fR is expected to be in decimal form. .PP \fBTcl_GetDouble\fR expects \fIsrc\fR to consist of a floating-point number, which is: white space; a sign; a sequence of digits; a -decimal point; a sequence of digits; the letter ``e''; a -signed decimal exponent ; and more white space. +decimal point +.QW \fB.\fR ; +a sequence of digits; the letter +.QW \fBe\fR ; +a signed decimal exponent; and more white space. Any of the fields may be omitted, except that the digits either before or after the decimal point must be present -and if the ``e'' is present then it must be followed by the -exponent number. +and if the +.QW \fBe\fR +is present then it must be followed by the exponent number. If there +are no fields apart from the sign and initial sequence of digits +(i.e., no decimal point or exponent indicator), that +initial sequence of digits should take one of the forms that +\fBTcl_GetInt\fR supports, described above. The use of +.QW \fB,\fR +as a decimal point is not supported nor should any other sort of +inter-digit separator be present. .PP \fBTcl_GetBoolean\fR expects \fIsrc\fR to specify a boolean value. If \fIsrc\fR is any of \fB0\fR, \fBfalse\fR, |