diff options
Diffstat (limited to 'libtests/lzw.cc')
| -rw-r--r-- | libtests/lzw.cc | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/libtests/lzw.cc b/libtests/lzw.cc index 034c0bb9..5bfdbbd5 100644 --- a/libtests/lzw.cc +++ b/libtests/lzw.cc @@ -1,6 +1,7 @@ #include <qpdf/Pl_LZWDecoder.hh> #include <qpdf/Pl_StdioFile.hh> +#include <qpdf/QUtil.hh> #include <iostream> #include <stdlib.h> #include <string.h> @@ -8,21 +9,36 @@ int main(int argc, char* argv[]) { bool early_code_change = true; - if ((argc == 2) && (strcmp(argv[1], "--no-early-code-change") == 0)) + if ((argc == 4) && (strcmp(argv[3], "--no-early-code-change") == 0)) { early_code_change = false; } - Pl_StdioFile out("stdout", stdout); - Pl_LZWDecoder decode("decode", &out, early_code_change); + if (argc < 3) + { + std::cerr << "Usage: lzw infile outfile [ --no-early-code-change ]" + << std::endl; + exit(2); + } try { + char* infilename = argv[1]; + char* outfilename = argv[2]; + + FILE* infile = QUtil::fopen_wrapper("open input file", + fopen(infilename, "rb")); + FILE* outfile = QUtil::fopen_wrapper("open output file", + fopen(outfilename, "wb")); + + Pl_StdioFile out("output", outfile); + Pl_LZWDecoder decode("decode", &out, early_code_change); + unsigned char buf[10000]; bool done = false; while (! done) { - int len = read(0, buf, sizeof(buf)); + int len = fread(buf, 1, sizeof(buf), infile); if (len <= 0) { done = true; |