参数资料
型号: SW006015
厂商: Microchip Technology
文件页数: 28/120页
文件大小: 0K
描述: C COMPILER MPLAB C32
标准包装: 1
类型: 编译器
适用于相关产品: PIC32
产品目录页面: 659 (CN2011-ZH PDF)
MPLAB ? C32 C Compiler User’s Guide
TABLE 1-6:
WARNING AND ERROR OPTIONS NOT IMPLIED BY
-WALL (CONTINUED)
Option
-Wcast-align
-Wcast-qual
-Wconversion
-Werror
-Winline
-Wlarger-than- len
-Wlong-long
-Wno-long-long
Definition
Warn whenever a pointer is cast, such that the required
alignment of the target is increased. For example, warn if a
char * is cast to an int * .
Warn whenever a pointer is cast, so as to remove a type
qualifier from the target type. For example, warn if a
const char * is cast to an ordinary char * .
Warn if a prototype causes a type conversion that is different
from what would happen to the same argument in the
absence of a prototype. This includes conversions of fixed
point to floating and vice versa, and conversions changing the
width or signedness of a fixed point argument, except when
the same as the default promotion.
Also, warn if a negative integer constant expression is
implicitly converted to an unsigned type. For example, warn
about the assignment x = -1 if x is unsigned. But do not
warn about explicit casts like (unsigned) -1 .
Make all warnings into errors.
Warn if a function can not be inlined, and either it was
declared as inline, or else the -finline-functions option
was given.
Warn whenever an object of larger than len bytes is defined.
Warn if long long type is used. This is default. To inhibit the
warning messages, use -Wno-long-long . Flags
-Wlong-long and -Wno-long-long are taken into account
only when -pedantic flag is used.
-Wmissing-declarations Warn if a global function is defined without a previous
declaration. Do so even if the definition itself provides a
prototype.
DS51686A-page 24
-Wmissing-
format-attribute
-Wmissing-noreturn
-Wmissing-prototypes
-Wnested-externs
-Wno-deprecated-
declarations
-Wpadded
-Wpointer-arith
If -Wformat is enabled, also warn about functions that might
be candidates for format attributes. Note these are only
possible candidates, not absolute ones. This option has no
effect unless -Wformat is enabled.
Warn about functions that might be candidates for attribute
noreturn . These are only possible candidates, not absolute
ones. Care should be taken to manually verify functions.
Actually, do not ever return before adding the noreturn
attribute, otherwise subtle code generation bugs could be
introduced.
Warn if a global function is defined without a previous
prototype declaration. This warning is issued even if the
definition itself provides a prototype. (This option can be used
to detect global functions that are not declared in header files.)
Warn if an extern declaration is encountered within a
function.
Do not warn about uses of functions, variables and types
marked as deprecated by using the deprecated attribute.
Warn if padding is included in a structure, either to align an
element of the structure or to align the whole structure.
Warn about anything that depends on the size of a function
type or of void . MPLAB C32 C compiler assigns these types
a size of 1, for convenience in calculations with void *
pointers and pointers to functions.
? 2007 Microchip Technology Inc.
相关PDF资料
PDF描述
SW300003-EVAL LIBRARY SOFT MODEM-EVAL ONLY
SW300010-EVAL SPEECH RECOG LIBRARY-EVAL ONLY
SW300040-EVAL LIBRARY NOISE SUPPR-EVAL ONLY
SW300060-EVAL LIBRARY ACOUSTIC ECHO-EVAL ONLY
SW300070-EVAL SOFTWARE LIBR ENC/DEC EVAL ONLY
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