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80 lines
4.0 KiB
C
80 lines
4.0 KiB
C
#ifndef TEXTCODE_H
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#define TEXTCODE_H
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/* These take len bytes from src and write them in encoded form to
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* dest (if dest != NULL), returning the number of bytes written. */
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unsigned long fmt_uuencoded(char* dest,const char* src,unsigned long len);
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unsigned long fmt_base64(char* dest,const char* src,unsigned long len);
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unsigned long fmt_quotedprintable(char* dest,const char* src,unsigned long len);
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unsigned long fmt_urlencoded(char* dest,const char* src,unsigned long len);
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unsigned long fmt_yenc(char* dest,const char* src,unsigned long len);
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unsigned long fmt_hexdump(char* dest,const char* src,unsigned long len);
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/* this changes '<' to '<' and '&' to '&' */
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unsigned long fmt_html(char* dest,const char* src,unsigned long len);
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/* change '\' to "\\", '\n' to "\n", ^A to "\x01" etc */
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unsigned long fmt_cescape(char* dest,const char* src,unsigned long len);
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/* fold awk whitespace to '_'; this is great for writing fields with
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* white spaces to a log file and still allow awk to do log analysis */
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unsigned long fmt_foldwhitespace(char* dest,const char* src,unsigned long len);
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/* These read one line from src, decoded it, and write the result to
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* dest. The number of decoded bytes is written to destlen. dest
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* should be able to hold strlen(src) bytes as a rule of thumb. */
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unsigned long scan_uuencoded(const char *src,char *dest,unsigned long *destlen);
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unsigned long scan_base64(const char *src,char *dest,unsigned long *destlen);
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unsigned long scan_quotedprintable(const char *src,char *dest,unsigned long *destlen);
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unsigned long scan_urlencoded(const char *src,char *dest,unsigned long *destlen);
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unsigned long scan_yenc(const char *src,char *dest,unsigned long *destlen);
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unsigned long scan_hexdump(const char *src,char *dest,unsigned long *destlen);
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unsigned long scan_html(const char *src,char *dest,unsigned long *destlen);
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unsigned long scan_cescape(const char *src,char *dest,unsigned long *destlen);
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#ifdef STRALLOC_H
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/* WARNING: these functions _append_ to the stralloc, not overwrite! */
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/* stralloc wrappers; return 1 on success, 0 on failure */
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/* arg 1 is one of the fmt_* functions from above */
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int fmt_to_sa(unsigned long (*func)(char*,const char*,unsigned long),
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stralloc* sa,const char* src,unsigned long len);
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/* arg 1 is one of the scan_* functions from above */
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/* return number of bytes scanned */
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unsigned long scan_to_sa(unsigned long (*func)(const char*,char*,unsigned long*),
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const char* src,stralloc* sa);
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#define fmt_uuencoded_sa(sa,src,len) fmt_to_sa(fmt_uuencoded,sa,src,len)
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#define fmt_base64_sa(sa,src,len) fmt_to_sa(fmt_base64,sa,src,len)
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#define fmt_quotedprintable_sa(sa,src,len) fmt_to_sa(fmt_quotedprintable,sa,src,len)
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#define fmt_urlencoded_sa(sa,src,len) fmt_to_sa(fmt_urlencoded,sa,src,len)
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#define fmt_yenc_sa(sa,src,len) fmt_to_sa(fmt_yenc,sa,src,len)
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#define fmt_hexdump_sa(sa,src,len) fmt_to_sa(fmt_hexdump,sa,src,len)
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#define fmt_html_sa(sa,src,len) fmt_to_sa(fmt_html,sa,src,len)
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#define fmt_cescape_sa(sa,src,len) fmt_to_sa(fmt_cescape,sa,src,len)
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#define scan_uuencoded_sa(src,sa) scan_to_sa(scan_uuencoded,src,sa)
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#define scan_base64_sa(src,sa) scan_to_sa(scan_base64,src,sa)
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#define scan_quotedprintable_sa(src,sa) scan_to_sa(scan_quotedprintable,src,sa)
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#define scan_urlencoded_sa(src,sa) scan_to_sa(scan_urlencoded,src,sa)
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#define scan_yenc_sa(src,sa) scan_to_sa(scan_yenc,src,sa)
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#define scan_hexdump_sa(src,sa) scan_to_sa(scan_hexdump,src,sa)
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#define scan_html_sa(src,sa) scan_to_sa(scan_html,src,sa)
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#define scan_cescape_sa(src,sa) scan_to_sa(scan_cescape,src,sa)
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#endif
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#ifdef ARRAY_H
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void fmt_to_array(unsigned long (*func)(char*,const char*,unsigned long),
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array* a,const char* src,unsigned long len);
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void fmt_tofrom_array(unsigned long (*func)(char*,const char*,unsigned long),
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array* dest,array* src);
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unsigned long scan_to_array(unsigned long (*func)(const char*,char*,unsigned long*),
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const char* src,array* dest);
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unsigned long scan_tofrom_array(unsigned long (*func)(const char*,char*,unsigned long*),
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array* src,array* dest);
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#endif
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extern const char base64[64];
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#endif
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