Commit 7076505c authored by Dan Fandrich's avatar Dan Fandrich
Browse files

Allocate the decompression buffer for the --manual option on the heap 

instead of the stack.
parent 5825cf94

src/mkhelp.pl

+17 −11
Original line number Diff line number Diff line
@@ -120,6 +120,7 @@ HEAD 
    ;

if($c) {

    print <<HEAD

#include <stdlib.h>

#include <zlib.h>

static const unsigned char hugehelpgz[] = {

  /* This mumbo-jumbo is the huge help text compressed with gzip.
@@ -144,10 +145,11 @@ HEAD 
    print "\n};\n";



    print <<EOF

#define BUF_SIZE 0x10000

/* Decompress and send to stdout a gzip-compressed buffer */

void hugehelp(void)

{

  unsigned char buf[0x10000];

  unsigned char* buf;

  int status,headerlen;

  z_stream z;
@@ -165,18 +167,22 @@ void hugehelp(void) 
  if (inflateInit2(&z, -MAX_WBITS) != Z_OK)

    return;



  buf = malloc(BUF_SIZE);

  if (buf) {

    while(1) {

    z.avail_out = (int)sizeof(buf);

      z.avail_out = BUF_SIZE;

      z.next_out = buf;

      status = inflate(&z, Z_SYNC_FLUSH);

      if (status == Z_OK || status == Z_STREAM_END) {

      fwrite(buf, sizeof(buf) - z.avail_out, 1, stdout);

	fwrite(buf, BUF_SIZE - z.avail_out, 1, stdout);

	if (status == Z_STREAM_END)

	   break;

      }

       else

	break;    /* Error */

    }

    free(buf);

  }

  inflateEnd(&z);

}

EOF