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This commit is contained in:
Eric Andersen
1999-11-11 05:46:32 +00:00
parent c296b54827
commit 0dfac6b9ce
2 changed files with 134 additions and 64 deletions
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75
archival/gzip.c
View File

@@ -7,9 +7,9 @@
#include "internal.h"
#ifdef BB_GZIP
#ifndef BB_ZCAT
#error you need zcat to have gzip support!
#endif
//#ifndef BB_ZCAT
//#error you need zcat to have gzip support!
//#endif
static const char gzip_usage[] =
"gzip [OPTION]... [FILE]...\n\n"
@@ -276,7 +276,7 @@ extern int save_orig_name; /* set if original name must be saved */
#define WARN(msg) {if (!quiet) fprintf msg ; \
if (exit_code == OK) exit_code = WARNING;}
local void do_exit(int exitcode);
local void do_exit(int exitcode) __attribute__ ((noreturn));
/* in zip.c: */
extern int zip OF((int in, int out));
@@ -1762,9 +1762,6 @@ unsigned outcnt; /* bytes in output buffer */
/* local functions */
local void treat_stdin OF((void));
static int (*work) OF((int infile, int outfile)) = zip; /* function to call */
#define strequ(s1, s2) (strcmp((s1),(s2)) == 0)
/* ======================================================================== */
@@ -1774,6 +1771,9 @@ static int (*work) OF((int infile, int outfile)) = zip; /* function to call */
int gzip_main(int argc, char ** argv)
{
int inFileNum;
int outFileNum;
/* Parse any options */
while (--argc > 0 && **(++argv) == '-') {
while (*(++(*argv))) {
@@ -1817,20 +1817,13 @@ int gzip_main(int argc, char ** argv)
ALLOC(ush, tab_prefix1, 1L<<(BITS-1));
#endif
if (tostdout==1) {
/* And get to work */
treat_stdin();
do_exit(exit_code);
return exit_code; /* just to avoid lint warning */
}
/* ========================================================================
* Compress or decompress stdin
*/
local void treat_stdin()
{
SET_BINARY_MODE(fileno(stdout));
strcpy(ifname, "stdin");
strcpy(ofname, "stdout");
inFileNum=fileno(stdin);
outFileNum=fileno(stdout);
/* Get the time stamp on the input file. */
time_stamp = 0; /* time unknown by default */
@@ -1840,9 +1833,51 @@ local void treat_stdin()
clear_bufs(); /* clear input and output buffers */
part_nb = 0;
/* Actually do the compression/decompression. Loop over zipped members.
*/
if ((*work)(fileno(stdin), fileno(stdout)) != OK) return;
/* Actually do the compression/decompression. */
zip(inFileNum, outFileNum);
} else {
int result;
struct stat statBuf;
/* And get to work */
if (*argv=='\0')
usage(gzip_usage);
strncpy(ifname, *argv, MAX_PATH_LEN);
strncpy(ofname, *argv, MAX_PATH_LEN-4);
strcat(ofname, ".gz");
inFileNum=open( ifname, O_RDONLY);
if (inFileNum < 0) {
perror(ifname);
do_exit(WARNING);
}
result = stat(ifname, &statBuf);
if (result < 0) {
perror(ifname);
do_exit(WARNING);
}
outFileNum=open( ofname, O_RDONLY);
if (outFileNum < 0) {
perror(ofname);
do_exit(WARNING);
}
SET_BINARY_MODE(outFileNum);
/* Get the time stamp on the input file. */
time_stamp = statBuf.st_ctime; /* time unknown by default */
ifile_size = statBuf.st_size; /* convention for unknown size */
clear_bufs(); /* clear input and output buffers */
part_nb = 0;
/* Actually do the compression/decompression. */
zip(inFileNum, outFileNum);
}
do_exit(exit_code);
}
/* ========================================================================

75
gzip.c
View File

@@ -7,9 +7,9 @@
#include "internal.h"
#ifdef BB_GZIP
#ifndef BB_ZCAT
#error you need zcat to have gzip support!
#endif
//#ifndef BB_ZCAT
//#error you need zcat to have gzip support!
//#endif
static const char gzip_usage[] =
"gzip [OPTION]... [FILE]...\n\n"
@@ -276,7 +276,7 @@ extern int save_orig_name; /* set if original name must be saved */
#define WARN(msg) {if (!quiet) fprintf msg ; \
if (exit_code == OK) exit_code = WARNING;}
local void do_exit(int exitcode);
local void do_exit(int exitcode) __attribute__ ((noreturn));
/* in zip.c: */
extern int zip OF((int in, int out));
@@ -1762,9 +1762,6 @@ unsigned outcnt; /* bytes in output buffer */
/* local functions */
local void treat_stdin OF((void));
static int (*work) OF((int infile, int outfile)) = zip; /* function to call */
#define strequ(s1, s2) (strcmp((s1),(s2)) == 0)
/* ======================================================================== */
@@ -1774,6 +1771,9 @@ static int (*work) OF((int infile, int outfile)) = zip; /* function to call */
int gzip_main(int argc, char ** argv)
{
int inFileNum;
int outFileNum;
/* Parse any options */
while (--argc > 0 && **(++argv) == '-') {
while (*(++(*argv))) {
@@ -1817,20 +1817,13 @@ int gzip_main(int argc, char ** argv)
ALLOC(ush, tab_prefix1, 1L<<(BITS-1));
#endif
if (tostdout==1) {
/* And get to work */
treat_stdin();
do_exit(exit_code);
return exit_code; /* just to avoid lint warning */
}
/* ========================================================================
* Compress or decompress stdin
*/
local void treat_stdin()
{
SET_BINARY_MODE(fileno(stdout));
strcpy(ifname, "stdin");
strcpy(ofname, "stdout");
inFileNum=fileno(stdin);
outFileNum=fileno(stdout);
/* Get the time stamp on the input file. */
time_stamp = 0; /* time unknown by default */
@@ -1840,9 +1833,51 @@ local void treat_stdin()
clear_bufs(); /* clear input and output buffers */
part_nb = 0;
/* Actually do the compression/decompression. Loop over zipped members.
*/
if ((*work)(fileno(stdin), fileno(stdout)) != OK) return;
/* Actually do the compression/decompression. */
zip(inFileNum, outFileNum);
} else {
int result;
struct stat statBuf;
/* And get to work */
if (*argv=='\0')
usage(gzip_usage);
strncpy(ifname, *argv, MAX_PATH_LEN);
strncpy(ofname, *argv, MAX_PATH_LEN-4);
strcat(ofname, ".gz");
inFileNum=open( ifname, O_RDONLY);
if (inFileNum < 0) {
perror(ifname);
do_exit(WARNING);
}
result = stat(ifname, &statBuf);
if (result < 0) {
perror(ifname);
do_exit(WARNING);
}
outFileNum=open( ofname, O_RDONLY);
if (outFileNum < 0) {
perror(ofname);
do_exit(WARNING);
}
SET_BINARY_MODE(outFileNum);
/* Get the time stamp on the input file. */
time_stamp = statBuf.st_ctime; /* time unknown by default */
ifile_size = statBuf.st_size; /* convention for unknown size */
clear_bufs(); /* clear input and output buffers */
part_nb = 0;
/* Actually do the compression/decompression. */
zip(inFileNum, outFileNum);
}
do_exit(exit_code);
}
/* ========================================================================