use tmpfile() and revert my previous changes... convert() belongs here

This commit is contained in:
Glenn L McGrath 2001-04-12 02:26:04 +00:00
parent 2709297f3b
commit a6ce670a87
3 changed files with 180 additions and 11 deletions

View File

@ -236,17 +236,18 @@ endif
LIBBB = libbb
LIBBB_LIB = libbb.a
LIBBB_CSRC= ask_confirmation.c check_wildcard_match.c chomp.c \
concat_path_file.c copy_file.c copy_file_chunk.c create_path.c daemon.c \
deb_extract.c device_open.c error_msg.c error_msg_and_die.c find_mount_point.c \
find_pid_by_name.c find_root_device.c full_read.c full_write.c \
get_ar_headers.c get_console.c get_last_path_component.c get_line_from_file.c \
gz_open.c human_readable.c inode_hash.c isdirectory.c kernel_version.c loop.c \
mode_string.c module_syscalls.c mtab.c mtab_file.c my_getgrnam.c my_getgrgid.c \
my_getpwnam.c my_getpwnamegid.c my_getpwuid.c parse_mode.c parse_number.c \
perror_msg.c perror_msg_and_die.c print_file.c process_escape_sequence.c \
recursive_action.c safe_read.c safe_strncpy.c seek_ared_file.c syscalls.c \
syslog_msg_with_name.c time_string.c trim.c untar.c unzip.c vdprintf.c \
verror_msg.c vperror_msg.c wfopen.c xfuncs.c xgetcwd.c xregcomp.c
concat_path_file.c copy_file.c copy_file_chunk.c create_path.c \
daemon.c deb_extract.c device_open.c error_msg.c error_msg_and_die.c \
find_mount_point.c find_pid_by_name.c find_root_device.c full_read.c \
full_write.c get_ar_headers.c get_console.c get_last_path_component.c \
get_line_from_file.c gz_open.c human_readable.c inode_hash.c isdirectory.c \
kernel_version.c loop.c mode_string.c module_syscalls.c mtab.c mtab_file.c \
my_getgrnam.c my_getgrgid.c my_getpwnam.c my_getpwnamegid.c my_getpwuid.c \
parse_mode.c parse_number.c perror_msg.c perror_msg_and_die.c print_file.c \
process_escape_sequence.c recursive_action.c safe_read.c safe_strncpy.c \
seek_ared_file.c syscalls.c syslog_msg_with_name.c time_string.c trim.c \
untar.c unzip.c vdprintf.c verror_msg.c vperror_msg.c wfopen.c xfuncs.c \
xgetcwd.c xregcomp.c
LIBBB_OBJS=$(patsubst %.c,$(LIBBB)/%.o, $(LIBBB_CSRC))
LIBBB_CFLAGS = -I$(LIBBB)

View File

@ -27,9 +27,93 @@
* See the COPYING file for license information.
*/
#include <string.h>
#include <getopt.h>
#include "busybox.h"
// if fn is NULL then input is stdin and output is stdout
extern int convert(char *fn, int ConvType) {
char c;
char *tempFn = NULL;
FILE *in = stdin, *out = stdout;
if (fn != NULL) {
if ((in = wfopen(fn, "r")) == NULL) {
return -1;
}
if ((out = tmpfile()) == NULL) {
perror_msg(NULL);
return -2;
}
}
while ((c = fgetc(in)) != EOF) {
if (c == '\r') {
if ((ConvType == CT_UNIX2DOS) && (fn != NULL)) {
// file is alredy in DOS format so it is not necessery to touch it
if (fclose(in) < 0 || fclose(out) < 0) {
perror_msg(NULL);
return -2;
}
return 0;
}
if (!ConvType)
ConvType = CT_DOS2UNIX;
break;
}
if (c == '\n') {
if ((ConvType == CT_DOS2UNIX) && (fn != NULL)) {
// file is alredy in UNIX format so it is not necessery to touch it
if ((fclose(in) < 0) || (fclose(out) < 0)) {
perror_msg(NULL);
return -2;
}
return 0;
}
if (!ConvType) {
ConvType = CT_UNIX2DOS;
}
if (ConvType == CT_UNIX2DOS) {
fputc('\r', out);
}
fputc('\n', out);
break;
}
fputc(c, out);
}
if (c != EOF)
while ((c = fgetc(in)) != EOF) {
if (c == '\r')
continue;
if (c == '\n') {
if (ConvType == CT_UNIX2DOS)
fputc('\r', out);
fputc('\n', out);
continue;
}
fputc(c, out);
}
if (fn != NULL) {
if (fclose(in) < 0 || fclose(out) < 0 ||
(in = fopen(tempFn, "r")) == NULL || (out = fopen(fn, "w")) == NULL) {
perror_msg(NULL);
return -2;
}
while ((c = fgetc(in)) != EOF) {
fputc(c, out);
}
if ((fclose(in) < 0) || (fclose(out) < 0)) {
perror_msg(NULL);
return -2;
}
}
return 0;
}
int dos2unix_main(int argc, char *argv[]) {
int ConvType = CT_AUTO;
int o;

View File

@ -27,9 +27,93 @@
* See the COPYING file for license information.
*/
#include <string.h>
#include <getopt.h>
#include "busybox.h"
// if fn is NULL then input is stdin and output is stdout
extern int convert(char *fn, int ConvType) {
char c;
char *tempFn = NULL;
FILE *in = stdin, *out = stdout;
if (fn != NULL) {
if ((in = wfopen(fn, "r")) == NULL) {
return -1;
}
if ((out = tmpfile()) == NULL) {
perror_msg(NULL);
return -2;
}
}
while ((c = fgetc(in)) != EOF) {
if (c == '\r') {
if ((ConvType == CT_UNIX2DOS) && (fn != NULL)) {
// file is alredy in DOS format so it is not necessery to touch it
if (fclose(in) < 0 || fclose(out) < 0) {
perror_msg(NULL);
return -2;
}
return 0;
}
if (!ConvType)
ConvType = CT_DOS2UNIX;
break;
}
if (c == '\n') {
if ((ConvType == CT_DOS2UNIX) && (fn != NULL)) {
// file is alredy in UNIX format so it is not necessery to touch it
if ((fclose(in) < 0) || (fclose(out) < 0)) {
perror_msg(NULL);
return -2;
}
return 0;
}
if (!ConvType) {
ConvType = CT_UNIX2DOS;
}
if (ConvType == CT_UNIX2DOS) {
fputc('\r', out);
}
fputc('\n', out);
break;
}
fputc(c, out);
}
if (c != EOF)
while ((c = fgetc(in)) != EOF) {
if (c == '\r')
continue;
if (c == '\n') {
if (ConvType == CT_UNIX2DOS)
fputc('\r', out);
fputc('\n', out);
continue;
}
fputc(c, out);
}
if (fn != NULL) {
if (fclose(in) < 0 || fclose(out) < 0 ||
(in = fopen(tempFn, "r")) == NULL || (out = fopen(fn, "w")) == NULL) {
perror_msg(NULL);
return -2;
}
while ((c = fgetc(in)) != EOF) {
fputc(c, out);
}
if ((fclose(in) < 0) || (fclose(out) < 0)) {
perror_msg(NULL);
return -2;
}
}
return 0;
}
int dos2unix_main(int argc, char *argv[]) {
int ConvType = CT_AUTO;
int o;