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67 lines
1.9 KiB
C++
67 lines
1.9 KiB
C++
--- gzip.cpp.orig 2013-10-06 17:11:38.000000000 +0400
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+++ gzip.cpp 2013-10-06 17:12:35.000000000 +0400
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@@ -0,0 +1,64 @@
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+/* Copyright (C) 2007 John Whitney
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+ *
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+ * This program is free software; you can redistribute it and/or modify
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+ * it under the terms of the GNU General Public License as published by
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+ * the Free Software Foundation; version 2 of the License.
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+ *
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+ * This program is distributed in the hope that it will be useful,
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+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+ * GNU General Public License for more details.
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+ *
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+ * Author: John Whitney <jjw@deltup.org>
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+ */
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+
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+#include <string>
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+#include <list>
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+using namespace std;
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+#include "file.h"
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+#include "system.h"
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+#include "tmpstore.h"
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+#include "gzip.h"
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+#include <stdio.h>
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+#include <stdlib.h>
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+
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+int gzip_found = 0;
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+char *gzip_name = NULL;
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+
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+void find_gzip_compressor() {
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+ string tempfile = getTmpFilename();
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+ string command = "find `echo $PATH | tr ':' ' '` -iname 'gzip' -exec sh -c 'echo {};{} -V 2>&1|grep ^gzip' \\; 2> /dev/null > "
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+ + tempfile;
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+
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+ system(command.c_str());
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+
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+ FILE * fp;
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+ char line[2*CHAR_MAX];
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+ string fname;
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+ fp = fopen(tempfile.c_str(), "r");
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+ if (fp == NULL)
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+ exit(EXIT_FAILURE);
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+ while (fgets(line, 2*CHAR_MAX, fp)!=NULL) {
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+ char *v = strstr(line, "gzip");
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+ if (v) {
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+ int index=-1;
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+ if (strncmp(v+5, "1.", 2) == 0) index=0;
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+ if (index!=-1)
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+ {
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+ gzip_name = new char[fname.length()];
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+ strncpy(gzip_name, fname.c_str(), fname.length()-1);
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+ gzip_name[fname.length()-1] = 0;
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+ break;
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+ }
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+ }
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+ fname = line;
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+ }
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+ if (verbose) {
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+ if (gzip_name!=NULL)
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+ {
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+ printf("found GNU gzip compressor/decompressor:\n");
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+ printf(" %s\n", gzip_name);
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+ }
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+ else printf("GNU gzip compressor/decompressor NOT found!\n");
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+ }
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+}
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