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authorPeter Breitenlohner <peb@mppmu.mpg.de>2012-02-05 10:37:29 +0000
committerPeter Breitenlohner <peb@mppmu.mpg.de>2012-02-05 10:37:29 +0000
commit6e57e84ceabd402c094912da764ffd338646aa14 (patch)
tree68e308487697127f015216285e7db1228a7cf113 /Build/source/texk/web2c/omegaware/ovf2ovp.ch
parentee1615182e9cd048ae1571e9362495d17339aa4d (diff)
VFtoVP: Allow arbitrarily large TFM files (as in TFtoPL)
OVF2OVP: Allow arbitrarily large OFM files OPL2OFM, OVP2OVF: Build fix for MinGW git-svn-id: svn://tug.org/texlive/trunk@25291 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/web2c/omegaware/ovf2ovp.ch')
-rw-r--r--Build/source/texk/web2c/omegaware/ovf2ovp.ch44
1 files changed, 40 insertions, 4 deletions
diff --git a/Build/source/texk/web2c/omegaware/ovf2ovp.ch b/Build/source/texk/web2c/omegaware/ovf2ovp.ch
index caead6f17b3..70523958741 100644
--- a/Build/source/texk/web2c/omegaware/ovf2ovp.ch
+++ b/Build/source/texk/web2c/omegaware/ovf2ovp.ch
@@ -17,6 +17,18 @@
%\def\title{VF$\,$\lowercase{to}$\,$VP changes for C}
@z
+% [2] We need to tell web2c about one special variable.
+% Perhaps it would be better to allow @define's
+% anywhere in a source file, but that seemed just as painful as this.
+@x
+@p program OVF2OVP(@!vf_file,@!tfm_file,@!vpl_file,@!output);
+@y
+@p
+{Tangle doesn't recognize @@ when it's right after the \.=.}
+@\@= @@define var tfm;@>@\
+program OVF2OVP(@!vf_file,@!tfm_file,@!vpl_file,@!output);
+@z
+
@x still [2] Set up for path reading.
procedure initialize; {this procedure gets things started properly}
var @!k:integer; {all-purpose index for initialization}
@@ -28,6 +40,9 @@ procedure initialize; {this procedure gets things started properly}
begin
kpse_set_program_name (argv[0], nil);
kpse_init_prog ('VFTOVP', 0, nil, nil);
+ {We |xrealloc| when we know how big the file is. The 1000 comes
+ from the negative lower bound.}
+ tfm_file_array := cast_to_byte_pointer (xmalloc (1009));
parse_arguments;
@z
@@ -41,6 +56,11 @@ procedure initialize; {this procedure gets things started properly}
@<Constants...@>=
@z
+@x [4] Drop unused constant.
+@!tfm_size=2000000; {maximum length of |tfm| data, in bytes}
+@y
+@z
+
@x
@!name_length=50; {a file name shouldn't be longer than this}
@y
@@ -91,18 +111,26 @@ end else begin
end;
@z
-% [24] `index' is not a good choice of identifier in C.
-@x
+@x [23] `index' is not a good choice of identifier in C.
@<Types...@>=
@!index=0..tfm_size; {address of a byte in |tfm|}
@y
@d index == index_type
@<Types...@>=
-@!index=0..tfm_size; {address of a byte in |tfm|}
+@!index=integer; {address of a byte in |tfm|}
+@z
+
+@x [24] Make |tfm| be dynamically allocated.
+@!tfm:array [-1000..tfm_size] of byte; {the input data all goes here}
+@y
+{Kludge here to define |tfm| as a macro which takes care of the negative
+ lower bound. We've defined |tfm| for the benefit of web2c above.}
+@=#define tfm (tfmfilearray + 1001);@>@\
+@!tfm_file_array: pointer_to_byte; {the input data all goes here}
@z
-% [24] abort() should cause a bad exit code.
+% [25] abort() should cause a bad exit code.
@x
@d abort(#)==begin print_ln(#);
print_ln('Sorry, but I can''t go on; are you sure this is a OFM?');
@@ -115,6 +143,14 @@ end;
end
@z
+@x [25] Allow arbitrarily large input files.
+if 4*lf-1>tfm_size then abort('The file is bigger than I can handle!');
+@.The file is bigger...@>
+@y
+tfm_file_array
+ := cast_to_byte_pointer (xrealloc (tfm_file_array, 4 * lf - 1 + 1002));
+@z
+
% [31] Ditto for vf_abort.
@x
@d vf_abort(#)==begin