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* Makefile.in: Detect existence of mingw zlib headers and libraries. Build

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cygcheck wihtout package checking if they are unavailable.
* dump_setup.cc: Generate dummy zlib macros when zlib is not available.
(open_package_list): Use zlib functions to uncompress package lists.  Return
gzFile rather than FILE *.
(check_package_files): Change fp to gzFile to accommodate zlib functions.  Use
gzgets to read from package file.  Use gzclose to close the handle.
(package_list): Ditto.
(package_find): Ditto.
This commit is contained in:
Christopher Faylor
2003-09-08 02:50:02 +00:00
parent 2e5228f964
commit d31c5928dd
3 changed files with 59 additions and 30 deletions
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54
winsup/utils/dump_setup.cc
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@ -18,6 +18,15 @@ details. */
#include <sys/stat.h>
#include <errno.h>
#include "path.h"
#if 0
#include "zlib.h"
#endif
#ifndef ZLIB_VERSION
typedef void * gzFile;
#define gzgets(fp, buf, size) ({0;})
#define gzclose(fp) ({0;})
#endif
static int package_len = 20;
static unsigned int version_len = 10;
@ -234,27 +243,22 @@ file_exists (int verbose, char *filename, const char *alt, char *package)
return true;
}
static FILE *
static gzFile
open_package_list (char *package)
{
char filelist[MAX_PATH + 1] = "etc/setup/";
char filelist[MAX_PATH + 1] = "/etc/setup/";
strcat (strcat (filelist, package), ".lst.gz");
if (!file_exists (false, filelist, NULL, NULL))
if (!file_exists (false, filelist + 1, NULL, NULL))
return NULL;
static char *zcat;
static char *zcat_end;
if (!zcat)
{
zcat = cygpath ("/bin/gzip.exe", NULL);
while (char *p = strchr (zcat, '/'))
*p = '\\';
zcat = (char *) realloc (zcat, strlen (zcat) + sizeof (" -dc /") + MAX_PATH);
zcat_end = strchr (strcat (zcat, " -dc /"), '\0');
}
strcpy (zcat_end, filelist);
FILE *fp = popen (zcat, "rt");
gzFile fp;
#ifndef ZLIB_VERSION
fp = NULL;
#else
char *fn = cygpath (filelist, NULL);
fp = gzopen (fn, "rb9");
free (fn);
#endif
return fp;
}
@ -262,7 +266,7 @@ open_package_list (char *package)
static bool
check_package_files (int verbose, char *package)
{
FILE *fp = open_package_list (package);
gzFile fp = open_package_list (package);
if (!fp)
{
if (verbose)
@ -272,7 +276,7 @@ check_package_files (int verbose, char *package)
bool result = true;
char buf[MAX_PATH + 1];
while (fgets (buf, MAX_PATH, fp))
while (gzgets (fp, buf, MAX_PATH))
{
char *filename = strtok(buf, "\n");
@ -298,7 +302,7 @@ check_package_files (int verbose, char *package)
}
}
fclose (fp);
gzclose (fp);
return result;
}
@ -414,7 +418,7 @@ package_list (int verbose, char **argv)
for (int i = 0; packages[i].name; i++)
{
FILE *fp = open_package_list (packages[i].name);
gzFile fp = open_package_list (packages[i].name);
if (!fp)
{
if (verbose)
@ -427,14 +431,14 @@ package_list (int verbose, char **argv)
printf ("Package: %s-%s\n", packages[i].name, packages[i].ver);
char buf[MAX_PATH + 1];
while (fgets (buf, MAX_PATH, fp))
while (gzgets (fp, buf, MAX_PATH))
{
char *lastchar = strchr(buf, '\n');
if (lastchar[-1] != '/')
printf ("%s/%s", (verbose?" ":""), buf);
}
fclose (fp);
gzclose (fp);
}
free (packages);
@ -454,13 +458,13 @@ package_find (int verbose, char **argv)
for (int i = 0; packages[i].name; i++)
{
FILE *fp = open_package_list (packages[i].name);
gzFile fp = open_package_list (packages[i].name);
if (!fp)
continue;
char buf[MAX_PATH + 2];
buf[0] = '/';
while (fgets (buf + 1, MAX_PATH, fp))
while (gzgets (fp, buf + 1, MAX_PATH))
{
char *filename = strtok(buf, "\n");
int flen = strlen (filename);
@ -488,7 +492,7 @@ package_find (int verbose, char **argv)
}
}
fclose (fp);
gzclose (fp);
}
free (packages);