quoted unprintable

master
leitner 23 years ago
parent 4d0eca89fc
commit 5a9a7e6f1a

@ -2,6 +2,8 @@
add textcode api for uuencode/uudecode, base64, quoted printable,
url-encoding and yenc.
implement fmt_uuencoded and scan_uuencoded.
implement fmt_base64, scan_base64.
implement fmt_quotedprintable, scan_quotedprintable
0.11:
fix fmt_long (didn't count the '-'), which in turn broke

15
t.c

@ -17,6 +17,20 @@
__asm__ __volatile__ ("rdtsc" : "=a" (low) : : "edx")
int main(int argc,char* argv[]) {
char buf[100];
char buf2[100];
unsigned int len,len2;
buf[fmt_quotedprintable(buf,"zunächst einmal vielen Dank für die MUTT FAQ",44)]=0;
buffer_puts(buffer_1,buf);
buffer_putsflush(buffer_1,"\n");
if ((buf[len2=scan_quotedprintable(buf,buf2,&len)])!=0) {
buffer_putsflush(buffer_2,"parse error!\n");
return 1;
}
buffer_put(buffer_1,buf2,len2);
buffer_putsflush(buffer_1,"\n");
return 0;
#if 0
char buf[100];
char buf2[100];
unsigned int len,len2;
@ -30,6 +44,7 @@ int main(int argc,char* argv[]) {
buffer_put(buffer_1,buf2,len2);
buffer_putsflush(buffer_1,"\n");
return 0;
#endif
#if 0
unsigned long size;
char* buf=mmap_read(argv[1],&size);

@ -0,0 +1,25 @@
#include "fmt.h"
#include "textcode.h"
#include "haveinline.h"
static inline int tohex(char c) {
return c>9?c-10+'A':c+'0';
}
unsigned int fmt_quotedprintable(char* dest,const char* src,unsigned int len) {
register const unsigned char* s=(const unsigned char*) src;
unsigned long written=0,i;
for (i=0; i<len; ++i) {
if (s[i]&0x80 || s[i]=='=') {
if (dest) {
dest[written]='=';
dest[written+1]=tohex(s[i]>>4);
dest[written+2]=tohex(s[i]&15);
}
written+=3;
} else {
if (dest) dest[written]=s[i]; ++written;
}
}
return written;
}

@ -0,0 +1,31 @@
#include "fmt.h"
#include "textcode.h"
#include "haveinline.h"
static inline int fromhex(char c) {
if (c>='0' && c<='9') return c-'0';
if (c>='A' && c<='F') return c-'A'+10;
if (c>='a' && c<='f') return c-'a'+10;
return -1;
}
unsigned int scan_quotedprintable(const char *src,char *dest,unsigned int *destlen) {
register const unsigned char* s=(const unsigned char*) src;
unsigned long written=0,i;
for (i=0; s[i]; ++i) {
if (s[i]=='=') {
int j=fromhex(s[i+1]);
if (j<0) break;
dest[written]=j<<4;
j=fromhex(s[i+2]);
if (j<0) break;
dest[written]|=j;
i+=2;
} else {
dest[written]=s[i];
}
++written;
}
*destlen=written;
return i;
}
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