mirror of
https://git.code.sf.net/p/libpng/code.git
synced 2025-07-10 18:04:09 +02:00
Imported from libpng-1.2.6beta3.tar
This commit is contained in:
Glenn Randers-Pehrson
@@ -1,22 +0,0 @@
|
||||
Microsoft Developer Studio Build File, Format Version 6.00 for
|
||||
msvctest
|
||||
|
||||
Assumes that libpng DLLs and LIBs are in ..\..\projects\msvc\win32\libpng
|
||||
Assumes that zlib DLLs and LIBs are in ..\..\projects\msvc\win32\zlib
|
||||
|
||||
To build:
|
||||
|
||||
1) On the main menu Select "Build|Set Active configuration".
|
||||
Choose the configuration that corresponds to the library you want to test.
|
||||
This library must have been built using the libpng MS project located in
|
||||
the "mscv" subdirectory.
|
||||
|
||||
2) Select "Build|Clean"
|
||||
|
||||
3) Select "Build|Rebuild All"
|
||||
|
||||
4) The test results should appear in the "Build" pane of the Output Window.
|
||||
|
||||
|
||||
Simon-Pierre Cadieux
|
||||
Methodex Computer Systems Inc.
|
||||
@@ -1,247 +0,0 @@
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@@ -1,29 +0,0 @@
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@@ -1,223 +1,147 @@
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# Copyright 2000, Willem van Schaik. For conditions of distribution and
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|
||||
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||||
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|
||||
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||||
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||||
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|
||||
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||||
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|
||||
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||||
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||||
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||||
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||||
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# End Source File
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!MESSAGE This is not a valid makefile. To build this project using NMAKE,
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||||
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||||
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||||
!MESSAGE "VisualPng - Win32 Release" (based on "Win32 (x86) Application")
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||||
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||||
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||||
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|
||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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||||
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# ADD BASE CPP /nologo /W3 /Gm /ZI /Od /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "_DEBUG" /D "PNG_NO_STDIO" /D "PNG_NO_GLOBAL_ARRAYS" /FD /GZ /c
|
||||
# SUBTRACT BASE CPP /YX
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||||
# ADD CPP /nologo /MDd /W3 /Gm /ZI /Od /I "..\.." /I "..\..\..\zlib" /D "WIN32" /D "_DEBUG" /D "PNG_NO_STDIO" /D "PNG_NO_GLOBAL_ARRAYS" /FD /GZ /c
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||||
# SUBTRACT CPP /YX
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||||
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# Begin Source File
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||||
SOURCE=.\PngFile.h
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||||
@@ -1,17 +1,20 @@
|
||||
/*===
|
||||
cexcept.h 1.0.0 (2000-Jun-21-Wed)
|
||||
cexcept.h 2.0.0 (2001-Jul-12-Thu)
|
||||
Adam M. Costello <amc@cs.berkeley.edu>
|
||||
|
||||
An interface for exception-handling in ANSI C, developed jointly with
|
||||
Cosmin Truta <cosmin@cs.toronto.edu>.
|
||||
An interface for exception-handling in ANSI C (C89 and subsequent ISO
|
||||
standards), developed jointly with Cosmin Truta <cosmin@cs.toronto.edu>.
|
||||
|
||||
Copyright (c) 2000 Adam M. Costello and Cosmin Truta. Everyone
|
||||
Copyright (c) 2001 Adam M. Costello and Cosmin Truta. Everyone
|
||||
is hereby granted permission to do whatever they like with this
|
||||
file, provided that if they modify it they take reasonable steps to
|
||||
avoid confusing or misleading people about the authors, version,
|
||||
and terms of use of the derived file. The copyright holders make
|
||||
no guarantees about the correctness of this file, and are not
|
||||
responsible for any damage resulting from its use.
|
||||
no guarantees regarding this file, and are not responsible for any
|
||||
damage resulting from its use.
|
||||
|
||||
Only user-defined exceptions are supported, not "real" exceptions like
|
||||
division by zero or memory segmentation violations.
|
||||
|
||||
If this interface is used by multiple .c files, they shouldn't include
|
||||
this header file directly. Instead, create a wrapper header file that
|
||||
@@ -37,6 +40,10 @@ define_exception_type(type_name);
|
||||
struct exception { int code; const char *msg; };
|
||||
define_exception_type(struct exception);
|
||||
|
||||
Because throwing an exception causes the object to be copied (not
|
||||
just once, but twice), programmers may wish to consider size when
|
||||
choosing the exception type.
|
||||
|
||||
|
||||
struct exception_context;
|
||||
|
||||
@@ -62,7 +69,7 @@ struct exception_context *the_exception_context;
|
||||
application may declare a variable of this name anywhere it likes
|
||||
(inside a function, in a parameter list, or externally), and may
|
||||
use whatever storage class specifiers (static, extern, etc) or type
|
||||
qualifiers (const, volatile) it likes. Examples:
|
||||
qualifiers (const, volatile, etc) it likes. Examples:
|
||||
|
||||
static struct exception_context
|
||||
* const the_exception_context = &foo;
|
||||
@@ -107,15 +114,15 @@ Catch (expression) statement
|
||||
confusion with the C++ keywords, which have subtly different
|
||||
semantics.
|
||||
|
||||
A Try/Catch statement has a syntax similar to an if/else
|
||||
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|
||||
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|
||||
there are two clauses, each of which may be a simple statement
|
||||
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|
||||
But whereas the else clause is optional, the Catch clause is
|
||||
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|
||||
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|
||||
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|
||||
A Try/Catch statement has a syntax similar to an if/else statement,
|
||||
except that the parenthesized expression goes after the second
|
||||
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|
||||
clauses, each of which may be a simple statement ending with a
|
||||
semicolon or a brace-enclosed compound statement. But whereas
|
||||
the else clause is optional, the Catch clause is required. The
|
||||
expression must be a modifiable lvalue (something capable of being
|
||||
assigned to) of the same type (disregarding type qualifiers) that
|
||||
was passed to define_exception_type().
|
||||
|
||||
If a Throw that uses the same exception context as the Try/Catch is
|
||||
executed within the Try clause (typically within a function called
|
||||
@@ -125,9 +132,8 @@ Catch (expression) statement
|
||||
such Throw is executed, then the assignment is not performed, and
|
||||
the Catch clause is not executed.
|
||||
|
||||
Regardless of whether an exception is caught, the expression is
|
||||
always evaluated exactly once, which is significant if it has side
|
||||
effects, for example:
|
||||
The expression is not evaluated unless and until the exception is
|
||||
caught, which is significant if it has side effects, for example:
|
||||
|
||||
Try foo();
|
||||
Catch (p[++i].e) { ... }
|
||||
@@ -183,62 +189,55 @@ is subject to change.
|
||||
#include <setjmp.h>
|
||||
|
||||
#define define_exception_type(etype) \
|
||||
struct exception__state { \
|
||||
etype *exception; \
|
||||
jmp_buf env; \
|
||||
struct exception_context { \
|
||||
jmp_buf *penv; \
|
||||
int caught; \
|
||||
volatile struct { etype etmp; } v; \
|
||||
}
|
||||
|
||||
struct exception_context { \
|
||||
struct exception__state *last; \
|
||||
int caught; \
|
||||
};
|
||||
/* etmp must be volatile because the application might use automatic */
|
||||
/* storage for the_exception_context, and etmp is modified between */
|
||||
/* the calls to setjmp() and longjmp(). A wrapper struct is used to */
|
||||
/* avoid warnings about a duplicate volatile qualifier in case etype */
|
||||
/* already includes it. */
|
||||
|
||||
#define init_exception_context(ec) ((void)((ec)->last = 0))
|
||||
|
||||
#define Catch(e) exception__catch(&(e))
|
||||
#define Catch_anonymous exception__catch(0)
|
||||
#define init_exception_context(ec) ((void)((ec)->penv = 0))
|
||||
|
||||
#define Try \
|
||||
{ \
|
||||
struct exception__state *exception__p, exception__s; \
|
||||
int exception__i; \
|
||||
exception__p = the_exception_context->last; \
|
||||
the_exception_context->last = &exception__s; \
|
||||
for (exception__i = 0; ; exception__i = 1) \
|
||||
if (exception__i) { \
|
||||
if (setjmp(exception__s.env) == 0) { \
|
||||
if (&exception__s)
|
||||
jmp_buf *exception__prev, exception__env; \
|
||||
exception__prev = the_exception_context->penv; \
|
||||
the_exception_context->penv = &exception__env; \
|
||||
if (setjmp(exception__env) == 0) { \
|
||||
if (&exception__prev)
|
||||
|
||||
#define exception__catch(e_addr) \
|
||||
else { } \
|
||||
the_exception_context->caught = 0; \
|
||||
} \
|
||||
else the_exception_context->caught = 1; \
|
||||
the_exception_context->last = exception__p; \
|
||||
break; \
|
||||
} \
|
||||
else exception__s.exception = e_addr; \
|
||||
#define exception__catch(action) \
|
||||
else { } \
|
||||
the_exception_context->caught = 0; \
|
||||
} \
|
||||
else { \
|
||||
the_exception_context->caught = 1; \
|
||||
} \
|
||||
the_exception_context->penv = exception__prev; \
|
||||
} \
|
||||
if (!the_exception_context->caught) { } \
|
||||
if (!the_exception_context->caught || action) { } \
|
||||
else
|
||||
|
||||
#define Catch(e) exception__catch(((e) = the_exception_context->v.etmp, 0))
|
||||
#define Catch_anonymous exception__catch(0)
|
||||
|
||||
/* Try ends with if(), and Catch begins and ends with else. This */
|
||||
/* ensures that the Try/Catch syntax is really the same as the */
|
||||
/* if/else syntax. */
|
||||
/* */
|
||||
/* We use &exception__s instead of 1 to appease compilers that */
|
||||
/* We use &exception__prev instead of 1 to appease compilers that */
|
||||
/* warn about constant expressions inside if(). Most compilers */
|
||||
/* should still recognize that &exception__s is never zero and avoid */
|
||||
/* generating test code. */
|
||||
/* */
|
||||
/* We use the variable exception__i to start the loop at the bottom, */
|
||||
/* rather than jump into the loop using a switch statement, to */
|
||||
/* appease compilers that warn about jumping into loops. */
|
||||
/* should still recognize that &exception__prev is never zero and */
|
||||
/* avoid generating test code. */
|
||||
|
||||
#define Throw \
|
||||
for (;; longjmp(the_exception_context->last->env, 1)) \
|
||||
if (the_exception_context->last->exception) \
|
||||
*the_exception_context->last->exception =
|
||||
for (;; longjmp(*the_exception_context->penv, 1)) \
|
||||
the_exception_context->v.etmp =
|
||||
|
||||
|
||||
#endif /* CEXCEPT_H */
|
||||
|
||||
Reference in New Issue
Block a user