Mirror of :pserver:cvs@cvs.fefe.de:/cvs libowfat https://www.fefe.de/libowfat/
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#include <unistd.h>
#include "textcode.h"
#include "str.h"
#include "buffer.h"
#include "open.h"
int main(int argc,char* argv[]) {
char buf[4096];
char obuf[4096];
buffer filein;
buffer fileout;
int fd=1;
int ofd=-1;
unsigned long mode=0,lineno=0;
if (argc>1) {
fd=open_read(argv[1]);
if (fd<0) {
buffer_puts(buffer_2,"error: could not open \"");
buffer_puts(buffer_2,argv[1]);
buffer_putsflush(buffer_2,"\"\n");
return 1;
}
}
buffer_init(&filein,read,fd,buf,sizeof buf);
/* skip to "^begin " */
for (;;) {
char line[1000]; /* uuencoded lines can never be longer than 64 characters */
int l;
if ((l=buffer_getline(&filein,line,(sizeof line)-1))==0) {
buffer_putsflush(buffer_2,"warning: hit end of file without finding any uuencoded data!\n");
return 0;
}
++lineno;
if (l>0 && line[l-1]=='\r') --l; /* kill DOS line endings */
line[l]=0;
if (!str_diffn(line,"begin ",6)) {
if (line[l=6+scan_8long(line+6,&mode)]==' ' && mode) {
int i;
++l;
if (line[l+(i=str_rchr(line+l,'/'))]) l+=i+1;
while (line[l]=='.') ++l;
if (line[l]) {
ofd=open_excl(line+l);
if (ofd<0) {
buffer_puts(buffer_2,"error: could not create file \"");
buffer_puts(buffer_2,line+l);
buffer_putsflush(buffer_2,"\" (must not exist yet)\n");
} else break;
}
}
}
}
buffer_init(&fileout,write,ofd,buf,sizeof buf);
/* read uuencoded lines */
for (;;) {
char line[1000]; /* uuencoded lines can never be longer than 64 characters */
unsigned int scanned,x;
char tmp[100];
int l;
if ((l=buffer_getline(&filein,line,(sizeof line)-1))==0) {
buffer_putsflush(buffer_2,"warning: hit end of file without finding \"end\"!\n");
return 0;
}
++lineno;
if (l>0 && line[l-1]=='\r') --l; /* kill DOS line endings */
line[l]=0;
x=scan_uuencoded(line,tmp,&scanned);
if (!x) {
if (str_equal(line,"end")) {
buffer_flush(&fileout);
fchmod(ofd,mode);
close(ofd);
return 0;
} else {
parseerror:
buffer_puts(buffer_1,"parse error in line ");
buffer_putulong(buffer_1,lineno);
buffer_puts(buffer_1,": \"");
buffer_puts(buffer_1,line);
buffer_putsflush(buffer_1,"\"\n");
exit(1);
}
}
buffer_put(&fileout,tmp,scanned);
}
}