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36 lines
723 B
C
36 lines
723 B
C
#include <sys/types.h>
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#include <sys/wait.h>
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#include <signal.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include "libbb.h"
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extern FILE *gz_open(FILE *compressed_file, int *pid)
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{
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int unzip_pipe[2];
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if (pipe(unzip_pipe)!=0) {
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error_msg("pipe error");
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return(NULL);
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}
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if ((*pid = fork()) == -1) {
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error_msg("fork failured");
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return(NULL);
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}
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if (*pid==0) {
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/* child process */
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close(unzip_pipe[0]);
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unzip(compressed_file, fdopen(unzip_pipe[1], "w"));
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fflush(NULL);
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fclose(compressed_file);
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close(unzip_pipe[1]);
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exit(EXIT_SUCCESS);
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}
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close(unzip_pipe[1]);
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if (unzip_pipe[0] == -1) {
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error_msg("Couldnt initialise gzip stream");
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}
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return(fdopen(unzip_pipe[0], "r"));
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}
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