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make buffer_get_token write \0 to buffer on end of file so it can be

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distinguished from a length 0 token.
This commit is contained in:
leitner 2002-05-11 15:19:56 +00:00
parent a11c1f8ec0
commit 12fbaf7c9c
3 changed files with 7 additions and 1 deletions
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1
CHANGES
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@ -1,4 +1,5 @@
0.13: 0.13:
fixed several bugs in test/uudecode.c
0.12: 0.12:
add textcode api for uuencode/uudecode, base64, quoted printable, add textcode api for uuencode/uudecode, base64, quoted printable,

5
buffer.h
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@ -38,6 +38,11 @@ extern int buffer_bget(buffer* b,char* x,unsigned int len);
extern int buffer_feed(buffer* b); extern int buffer_feed(buffer* b);
extern int buffer_getc(buffer* b,char* x); extern int buffer_getc(buffer* b,char* x);
extern int buffer_getn(buffer* b,char* x,unsigned int len); extern int buffer_getn(buffer* b,char* x,unsigned int len);
/* read bytes until the destination buffer is full (len bytes), end of
* file is reached or the read char is in charset (setlen bytes). An
* empty line when looking for \n will write '\n' to x and return 0. If
* EOF is reached, \0 is written to the buffer */
extern int buffer_get_token(buffer* b,char* x,unsigned int len,const char* charset,unsigned int setlen); extern int buffer_get_token(buffer* b,char* x,unsigned int len,const char* charset,unsigned int setlen);
#define buffer_getline(b,x,len) buffer_get_token((b),(x),(len),"\n",1) #define buffer_getline(b,x,len) buffer_get_token((b),(x),(len),"\n",1)

2
buffer/buffer_get_token.c
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@ -8,7 +8,7 @@ int buffer_get_token(buffer* b,char* x,unsigned int len,const char* charset,unsi
for (blen=0;blen<len;++blen) { for (blen=0;blen<len;++blen) {
register int r; register int r;
if ((r=buffer_getc(b,x))<0) return r; if ((r=buffer_getc(b,x))<0) return r;
if (r==0) break; if (r==0) { *x=0; break; }
if (byte_chr(charset,setlen,*x)<setlen) break; if (byte_chr(charset,setlen,*x)<setlen) break;
++x; ++x;
} }