diff options
Diffstat (limited to 'manual')
| -rw-r--r-- | manual/arith.texi | 17 | ||||
| -rw-r--r-- | manual/ctype.texi | 2 | ||||
| -rw-r--r-- | manual/maint.texi | 18 | ||||
| -rw-r--r-- | manual/pattern.texi | 2 | ||||
| -rw-r--r-- | manual/process.texi | 4 | ||||
| -rw-r--r-- | manual/stdio.texi | 11 | ||||
| -rw-r--r-- | manual/terminal.texi | 4 |
7 files changed, 37 insertions, 21 deletions
diff --git a/manual/arith.texi b/manual/arith.texi index 31d638c..d0863f9 100644 --- a/manual/arith.texi +++ b/manual/arith.texi @@ -41,15 +41,15 @@ these situations. There is a special value for infinity. @comment math.h @comment ISO @deftypevr Macro float_t INFINITY -A expression representing the infinite value. @code{INFINITY} values are -produce by mathematical operations like @code{1.0 / 0.0}. It is +An expression representing the infinite value. @code{INFINITY} values are +produced by mathematical operations like @code{1.0 / 0.0}. It is possible to continue the computations with this value since the basic operations as well as the mathematical library functions are prepared to handle values like this. Beside @code{INFINITY} also the value @code{-INFINITY} is representable and it is handled differently if needed. It is possible to test a -variables for infinite value using a simple comparison but the +value for infiniteness using a simple comparison but the recommended way is to use the the @code{isinf} function. This macro was introduced in the @w{ISO C 9X} standard. @@ -357,7 +357,8 @@ cut along the negative real axis. @deftypefunx {complex long double} cprojl (complex long double @var{z}) Return the projection of the complex value @var{z} on the Riemann sphere. Values with a infinite complex part (even if the real part -is NaN) are projected to positive infinite on the real axis. If the real part is infinite, the result is equivalent to +is NaN) are projected to positive infinite on the real axis. If the +real part is infinite, the result is equivalent to @smallexample INFINITY + I * copysign (0.0, cimag (z)) @@ -1060,13 +1061,13 @@ format supports this; and to the largest representable value otherwise. If the input string is @code{"nan"} or @code{"nan(@var{n-char-sequence})"} the return value of @code{strtod} is the representation of the NaN (not a number) value (if the -floating-point formats supports this. The form with the -@var{n-char-sequence} enables in an implementation specific way to -specify the form of the NaN value. When using the @w{IEEE 754} +floating-point format supports this). In the second form the part +@var{n-char-sequence} allows to specify the form of the NaN value in an +implementation specific way. When using the @w{IEEE 754} floating-point format, the NaN value can have a lot of forms since only at least one bit in the mantissa must be set. In the GNU C library implementation of @code{strtod} the @var{n-char-sequence} is interpreted -as a number (as recognized by @code{strtol}, @pxref{Parsing of Integers}) +as a number (as recognized by @code{strtol}, @pxref{Parsing of Integers}). The mantissa of the return value corresponds to this given number. Since the value zero which is returned in the error case is also a valid diff --git a/manual/ctype.texi b/manual/ctype.texi index 2b97dfb..8e8db4a 100644 --- a/manual/ctype.texi +++ b/manual/ctype.texi @@ -75,7 +75,7 @@ Returns true if @var{c} is an alphabetic character (a letter). If @code{isalpha} is also true. In some locales, there may be additional characters for which -@code{isalpha} is true--letters which are neither upper case nor lower +@code{isalpha} is true---letters which are neither upper case nor lower case. But in the standard @code{"C"} locale, there are no such additional characters. @end deftypefun diff --git a/manual/maint.texi b/manual/maint.texi index 6d4185b..e2a6b34 100644 --- a/manual/maint.texi +++ b/manual/maint.texi @@ -189,14 +189,14 @@ build the GNU C library: @itemize @bullet @item -@code{make} 3.76.1 +@code{make} 3.75 You need the latest version of GNU @code{make}. Modifying the GNU C Library to work with other @code{make} programs would be so hard that we recommend you port GNU @code{make} instead. @strong{Really.} We -recommend version GNU @code{make} version 3.75, 3.76.1 or later. -Version 3.76 is known to have a bug which only shows up in big projects -like GNU @code{libc}. +recommend version GNU @code{make} version 3.75. Versions 3.76 and +3.76.1 are known to have bugs which only show up in big projects like +GNU @code{libc}. @item GCC 2.7.2.3 @@ -538,11 +538,11 @@ include the file @code{<stub-tag.h>} into your file. This causes the function to be listed in the installed @code{<gnu/stubs.h>}, and makes GNU ld warn when the function is used. -Some rare functions are only useful on specific systems and -aren't defined at all on others; these do not appear anywhere -in the system-independent source code or makefiles (including the -@file{generic}), only in the system-dependent @file{Makefile} in the -specific system's subdirectory. +Some rare functions are only useful on specific systems and aren't +defined at all on others; these do not appear anywhere in the +system-independent source code or makefiles (including the +@file{generic} directory), only in the system-dependent @file{Makefile} +in the specific system's subdirectory. If you come across a file that is in one of the main source directories (@file{string}, @file{stdio}, etc.), and you want to write a machine- or diff --git a/manual/pattern.texi b/manual/pattern.texi index 0fc5e81..bd5658d 100644 --- a/manual/pattern.texi +++ b/manual/pattern.texi @@ -477,7 +477,7 @@ is easily available non-directories will be rejected but no extra work will be done to determine the information for each file. I.e., the caller must still be able to filter directories out. -This functionality is only available witht eh GNU @code{glob} +This functionality is only available with the GNU @code{glob} implementation. It is mainly used internally to increase the performance but might be useful for a user as well and therefore is documented here. diff --git a/manual/process.texi b/manual/process.texi index 4323015..56edf2d 100644 --- a/manual/process.texi +++ b/manual/process.texi @@ -62,6 +62,10 @@ possible to create the shell process, and otherwise is the status of the shell process. @xref{Process Completion}, for details on how this status code can be interpreted. +If the @var{command} argument is a null pointer a non-zero return value +indicates that a command processor is available and this function can be +used at all. + This function is a cancelation point in multi-threaded programs. This is a problem if the thread allocates some resources (like memory, file descriptors, semaphores or whatever) at the time @code{system} is diff --git a/manual/stdio.texi b/manual/stdio.texi index 96c3de4..40d9f22 100644 --- a/manual/stdio.texi +++ b/manual/stdio.texi @@ -1140,6 +1140,13 @@ promotions. For arguments of other integer types, you can use these modifiers: @table @samp +@item hh +Specifies that the argument is a @code{signed char} or @code{unsigned +char}, as appropriate. A @code{char} argument is converted to an +@code{int} or @code{unsigned int} by the default argument promotions +anyway, but the @samp{h} modifier says to convert it back to a +@code{char} again. + @item h Specifies that the argument is a @code{short int} or @code{unsigned short int}, as appropriate. A @code{short} argument is converted to an @@ -2596,6 +2603,10 @@ other integer conversions. You can use the following type modifiers to specify other sizes of integer: @table @samp +@item hh +Specifies that the argument is a @code{signed char *} or @code{unsigned +char *}. + @item h Specifies that the argument is a @code{short int *} or @code{unsigned short int *}. diff --git a/manual/terminal.texi b/manual/terminal.texi index ea62e26..0417a63 100644 --- a/manual/terminal.texi +++ b/manual/terminal.texi @@ -1111,8 +1111,8 @@ the only speeds that typical serial lines can support. @smallexample B0 B50 B75 B110 B134 B150 B200 B300 B600 B1200 B1800 B2400 B4800 -B9600 B19200 B38400 B57600 B115200 -B230400 B460800 +B9600 B19200 B38400 B57600 B115200 +B230400 B460800 @end smallexample @vindex EXTA |