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Reorganise unarchiving functions, more code re-use, only does single pass(no more linked lists), basis for supporting a cpio (and cheaper untar) applet, but cpio applet isnt included in this.

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It effects ar, dpkg-deb applets only
This commit is contained in:
Glenn L McGrath
2001-06-20 07:48:00 +00:00
parent b4a26e6fc0
commit eb1c94078f
16 changed files with 585 additions and 704 deletions
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14
libbb/gz_open.c
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@ -6,17 +6,17 @@
#include <unistd.h>
#include "libbb.h"
extern int gz_open(FILE *compressed_file, int *pid)
extern FILE *gz_open(FILE *compressed_file, int *pid)
{
int unzip_pipe[2];
if (pipe(unzip_pipe)!=0) {
error_msg("pipe error");
return(EXIT_FAILURE);
return(NULL);
}
if ((*pid = fork()) == -1) {
error_msg("fork failured");
return(EXIT_FAILURE);
return(NULL);
}
if (*pid==0) {
/* child process */
@ -27,7 +27,9 @@ extern int gz_open(FILE *compressed_file, int *pid)
close(unzip_pipe[1]);
exit(EXIT_SUCCESS);
}
close(unzip_pipe[1]);
return(unzip_pipe[0]);
}
if (unzip_pipe[0] == -1) {
error_msg("Couldnt initialise gzip stream");
}
return(fdopen(unzip_pipe[0], "r"));
}