Improve code formatting consistency
With rare exceptions ...
- Always separate line continuation characters by one space from
preceding code.
- Always use two-space indentation. Never use tabs.
- Always use K&R-style conditional blocks.
- Always surround operators with spaces, except in raw assembly code.
- Always put a space after, but not before, a comma.
- Never put a space between type casts and variables/function calls.
- Never put a space between the function name and the argument list in
function declarations and prototypes.
- Always surround braces ('{' and '}') with spaces.
- Always surround statements (if, for, else, catch, while, do, switch)
with spaces.
- Always attach pointer symbols ('*' and '**') to the variable or
function name.
- Always precede pointer symbols ('*' and '**') by a space in type
casts.
- Use the MIN() macro from jpegint.h within the libjpeg and TurboJPEG
API libraries (using min() from tjutil.h is still necessary for
TJBench.)
- Where it makes sense (particularly in the TurboJPEG code), put a blank
line after variable declaration blocks.
- Always separate statements in one-liners by two spaces.
The purpose of this was to ease maintenance on my part and also to make
it easier for contributors to figure out how to format patch
submissions. This was admittedly confusing (even to me sometimes) when
we had 3 or 4 different style conventions in the same source tree. The
new convention is more consistent with the formatting of other OSS code
bases.
This commit corrects deviations from the chosen formatting style in the
libjpeg API code and reformats the TurboJPEG API code such that it
conforms to the same standard.
NOTES:
- Although it is no longer necessary for the function name in function
declarations to begin in Column 1 (this was historically necessary
because of the ansi2knr utility, which allowed libjpeg to be built
with non-ANSI compilers), we retain that formatting for the libjpeg
code because it improves readability when using libjpeg's function
attribute macros (GLOBAL(), etc.)
- This reformatting project was accomplished with the help of AStyle and
Uncrustify, although neither was completely up to the task, and thus
a great deal of manual tweaking was required. Note to developers of
code formatting utilities: the libjpeg-turbo code base is an
excellent test bed, because AFAICT, it breaks every single one of the
utilities that are currently available.
- The legacy (MMX, SSE, 3DNow!) assembly code for i386 has been
formatted to match the SSE2 code (refer to
ff5685d5344273df321eb63a005eaae19d2496e3.) I hadn't intended to
bother with this, but the Loongson MMI implementation demonstrated
that there is still academic value to the MMX implementation, as an
algorithmic model for other 64-bit vector implementations. Thus, it
is desirable to improve its readability in the same manner as that of
the SSE2 implementation.
This commit is contained in:
DRC
86
jerror.h
86
jerror.h
@@ -28,7 +28,7 @@
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#define JMAKE_ENUM_LIST
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#else
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/* Repeated inclusions of this file are no-ops unless JMESSAGE is defined */
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#define JMESSAGE(code,string)
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#define JMESSAGE(code, string)
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#endif /* JERROR_H */
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#endif /* JMESSAGE */
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@@ -36,7 +36,7 @@
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typedef enum {
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#define JMESSAGE(code,string) code ,
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#define JMESSAGE(code, string) code,
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#endif /* JMAKE_ENUM_LIST */
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@@ -44,8 +44,7 @@ JMESSAGE(JMSG_NOMESSAGE, "Bogus message code %d") /* Must be first entry! */
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/* For maintenance convenience, list is alphabetical by message code name */
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#if JPEG_LIB_VERSION < 70
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JMESSAGE(JERR_ARITH_NOTIMPL,
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"Sorry, arithmetic coding is not implemented")
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JMESSAGE(JERR_ARITH_NOTIMPL, "Sorry, arithmetic coding is not implemented")
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#endif
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JMESSAGE(JERR_BAD_ALIGN_TYPE, "ALIGN_TYPE is wrong, please fix")
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JMESSAGE(JERR_BAD_ALLOC_CHUNK, "MAX_ALLOC_CHUNK is wrong, please fix")
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@@ -154,8 +153,7 @@ JMESSAGE(JTRC_HUFFBITS, " %3d %3d %3d %3d %3d %3d %3d %3d")
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JMESSAGE(JTRC_JFIF, "JFIF APP0 marker: version %d.%02d, density %dx%d %d")
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JMESSAGE(JTRC_JFIF_BADTHUMBNAILSIZE,
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"Warning: thumbnail image size does not match data length %u")
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JMESSAGE(JTRC_JFIF_EXTENSION,
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"JFIF extension marker: type 0x%02x, length %u")
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JMESSAGE(JTRC_JFIF_EXTENSION, "JFIF extension marker: type 0x%02x, length %u")
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JMESSAGE(JTRC_JFIF_THUMBNAIL, " with %d x %d thumbnail image")
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JMESSAGE(JTRC_MISC_MARKER, "Miscellaneous marker 0x%02x, length %u")
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JMESSAGE(JTRC_PARMLESS_MARKER, "Unexpected marker 0x%02x")
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@@ -229,90 +227,90 @@ JMESSAGE(JWRN_BOGUS_ICC, "Corrupt JPEG data: bad ICC marker")
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/* The first parameter is either type of cinfo pointer */
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/* Fatal errors (print message and exit) */
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#define ERREXIT(cinfo,code) \
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#define ERREXIT(cinfo, code) \
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((cinfo)->err->msg_code = (code), \
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(*(cinfo)->err->error_exit) ((j_common_ptr) (cinfo)))
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#define ERREXIT1(cinfo,code,p1) \
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(*(cinfo)->err->error_exit) ((j_common_ptr)(cinfo)))
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#define ERREXIT1(cinfo, code, p1) \
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((cinfo)->err->msg_code = (code), \
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(cinfo)->err->msg_parm.i[0] = (p1), \
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(*(cinfo)->err->error_exit) ((j_common_ptr) (cinfo)))
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#define ERREXIT2(cinfo,code,p1,p2) \
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(*(cinfo)->err->error_exit) ((j_common_ptr)(cinfo)))
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#define ERREXIT2(cinfo, code, p1, p2) \
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((cinfo)->err->msg_code = (code), \
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(cinfo)->err->msg_parm.i[0] = (p1), \
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(cinfo)->err->msg_parm.i[1] = (p2), \
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(*(cinfo)->err->error_exit) ((j_common_ptr) (cinfo)))
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#define ERREXIT3(cinfo,code,p1,p2,p3) \
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(*(cinfo)->err->error_exit) ((j_common_ptr)(cinfo)))
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#define ERREXIT3(cinfo, code, p1, p2, p3) \
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((cinfo)->err->msg_code = (code), \
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(cinfo)->err->msg_parm.i[0] = (p1), \
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(cinfo)->err->msg_parm.i[1] = (p2), \
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(cinfo)->err->msg_parm.i[2] = (p3), \
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(*(cinfo)->err->error_exit) ((j_common_ptr) (cinfo)))
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#define ERREXIT4(cinfo,code,p1,p2,p3,p4) \
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(*(cinfo)->err->error_exit) ((j_common_ptr)(cinfo)))
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#define ERREXIT4(cinfo, code, p1, p2, p3, p4) \
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((cinfo)->err->msg_code = (code), \
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(cinfo)->err->msg_parm.i[0] = (p1), \
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(cinfo)->err->msg_parm.i[1] = (p2), \
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(cinfo)->err->msg_parm.i[2] = (p3), \
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(cinfo)->err->msg_parm.i[3] = (p4), \
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(*(cinfo)->err->error_exit) ((j_common_ptr) (cinfo)))
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#define ERREXITS(cinfo,code,str) \
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(*(cinfo)->err->error_exit) ((j_common_ptr)(cinfo)))
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#define ERREXITS(cinfo, code, str) \
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((cinfo)->err->msg_code = (code), \
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strncpy((cinfo)->err->msg_parm.s, (str), JMSG_STR_PARM_MAX), \
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(*(cinfo)->err->error_exit) ((j_common_ptr) (cinfo)))
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(*(cinfo)->err->error_exit) ((j_common_ptr)(cinfo)))
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#define MAKESTMT(stuff) do { stuff } while (0)
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/* Nonfatal errors (we can keep going, but the data is probably corrupt) */
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#define WARNMS(cinfo,code) \
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#define WARNMS(cinfo, code) \
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((cinfo)->err->msg_code = (code), \
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(*(cinfo)->err->emit_message) ((j_common_ptr) (cinfo), -1))
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#define WARNMS1(cinfo,code,p1) \
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(*(cinfo)->err->emit_message) ((j_common_ptr)(cinfo), -1))
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#define WARNMS1(cinfo, code, p1) \
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((cinfo)->err->msg_code = (code), \
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(cinfo)->err->msg_parm.i[0] = (p1), \
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(*(cinfo)->err->emit_message) ((j_common_ptr) (cinfo), -1))
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#define WARNMS2(cinfo,code,p1,p2) \
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(*(cinfo)->err->emit_message) ((j_common_ptr)(cinfo), -1))
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#define WARNMS2(cinfo, code, p1, p2) \
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((cinfo)->err->msg_code = (code), \
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(cinfo)->err->msg_parm.i[0] = (p1), \
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(cinfo)->err->msg_parm.i[1] = (p2), \
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(*(cinfo)->err->emit_message) ((j_common_ptr) (cinfo), -1))
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(*(cinfo)->err->emit_message) ((j_common_ptr)(cinfo), -1))
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/* Informational/debugging messages */
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#define TRACEMS(cinfo,lvl,code) \
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#define TRACEMS(cinfo, lvl, code) \
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((cinfo)->err->msg_code = (code), \
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(*(cinfo)->err->emit_message) ((j_common_ptr) (cinfo), (lvl)))
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#define TRACEMS1(cinfo,lvl,code,p1) \
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(*(cinfo)->err->emit_message) ((j_common_ptr)(cinfo), (lvl)))
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#define TRACEMS1(cinfo, lvl, code, p1) \
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((cinfo)->err->msg_code = (code), \
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(cinfo)->err->msg_parm.i[0] = (p1), \
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(*(cinfo)->err->emit_message) ((j_common_ptr) (cinfo), (lvl)))
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#define TRACEMS2(cinfo,lvl,code,p1,p2) \
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(*(cinfo)->err->emit_message) ((j_common_ptr)(cinfo), (lvl)))
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#define TRACEMS2(cinfo, lvl, code, p1, p2) \
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((cinfo)->err->msg_code = (code), \
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(cinfo)->err->msg_parm.i[0] = (p1), \
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(cinfo)->err->msg_parm.i[1] = (p2), \
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(*(cinfo)->err->emit_message) ((j_common_ptr) (cinfo), (lvl)))
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#define TRACEMS3(cinfo,lvl,code,p1,p2,p3) \
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MAKESTMT(int * _mp = (cinfo)->err->msg_parm.i; \
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(*(cinfo)->err->emit_message) ((j_common_ptr)(cinfo), (lvl)))
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#define TRACEMS3(cinfo, lvl, code, p1, p2, p3) \
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MAKESTMT(int *_mp = (cinfo)->err->msg_parm.i; \
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_mp[0] = (p1); _mp[1] = (p2); _mp[2] = (p3); \
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(cinfo)->err->msg_code = (code); \
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(*(cinfo)->err->emit_message) ((j_common_ptr) (cinfo), (lvl)); )
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#define TRACEMS4(cinfo,lvl,code,p1,p2,p3,p4) \
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MAKESTMT(int * _mp = (cinfo)->err->msg_parm.i; \
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(*(cinfo)->err->emit_message) ((j_common_ptr)(cinfo), (lvl)); )
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#define TRACEMS4(cinfo, lvl, code, p1, p2, p3, p4) \
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MAKESTMT(int *_mp = (cinfo)->err->msg_parm.i; \
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_mp[0] = (p1); _mp[1] = (p2); _mp[2] = (p3); _mp[3] = (p4); \
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(cinfo)->err->msg_code = (code); \
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(*(cinfo)->err->emit_message) ((j_common_ptr) (cinfo), (lvl)); )
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#define TRACEMS5(cinfo,lvl,code,p1,p2,p3,p4,p5) \
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MAKESTMT(int * _mp = (cinfo)->err->msg_parm.i; \
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(*(cinfo)->err->emit_message) ((j_common_ptr)(cinfo), (lvl)); )
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#define TRACEMS5(cinfo, lvl, code, p1, p2, p3, p4, p5) \
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MAKESTMT(int *_mp = (cinfo)->err->msg_parm.i; \
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_mp[0] = (p1); _mp[1] = (p2); _mp[2] = (p3); _mp[3] = (p4); \
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_mp[4] = (p5); \
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(cinfo)->err->msg_code = (code); \
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(*(cinfo)->err->emit_message) ((j_common_ptr) (cinfo), (lvl)); )
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#define TRACEMS8(cinfo,lvl,code,p1,p2,p3,p4,p5,p6,p7,p8) \
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MAKESTMT(int * _mp = (cinfo)->err->msg_parm.i; \
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(*(cinfo)->err->emit_message) ((j_common_ptr)(cinfo), (lvl)); )
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#define TRACEMS8(cinfo, lvl, code, p1, p2, p3, p4, p5, p6, p7, p8) \
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MAKESTMT(int *_mp = (cinfo)->err->msg_parm.i; \
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_mp[0] = (p1); _mp[1] = (p2); _mp[2] = (p3); _mp[3] = (p4); \
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_mp[4] = (p5); _mp[5] = (p6); _mp[6] = (p7); _mp[7] = (p8); \
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(cinfo)->err->msg_code = (code); \
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(*(cinfo)->err->emit_message) ((j_common_ptr) (cinfo), (lvl)); )
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#define TRACEMSS(cinfo,lvl,code,str) \
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(*(cinfo)->err->emit_message) ((j_common_ptr)(cinfo), (lvl)); )
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#define TRACEMSS(cinfo, lvl, code, str) \
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((cinfo)->err->msg_code = (code), \
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strncpy((cinfo)->err->msg_parm.s, (str), JMSG_STR_PARM_MAX), \
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(*(cinfo)->err->emit_message) ((j_common_ptr) (cinfo), (lvl)))
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(*(cinfo)->err->emit_message) ((j_common_ptr)(cinfo), (lvl)))
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#endif /* JERROR_H */
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