Mercurial > libpst
annotate src/vbuf.h @ 97:57bc6251f8dd stable-0-6-19
fix an installed unpackaged file
code cleanup from compiler warnings
| author | Carl Byington <carl@five-ten-sg.com> |
|---|---|
| date | Sun, 14 Sep 2008 15:55:11 -0700 |
| parents | b12f4e50e2e8 |
| children | ed2a260bbb98 |
| rev | line source |
|---|---|
|
70
b12f4e50e2e8
Patch from Joachim Metz <joachim.metz@gmail.com> for 64 bit compile.
Carl Byington <carl@five-ten-sg.com>
parents:
43
diff
changeset
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1 /* vbuf.h - variable length buffer functions |
| 43 | 2 * |
| 3 * Functions that try to make dealing with buffers easier. | |
| 4 * | |
| 5 * vbuf | |
| 6 * | |
| 7 * vstr | |
| 8 * - should always contain a valid string | |
| 9 * | |
|
70
b12f4e50e2e8
Patch from Joachim Metz <joachim.metz@gmail.com> for 64 bit compile.
Carl Byington <carl@five-ten-sg.com>
parents:
43
diff
changeset
|
10 */ |
| 43 | 11 |
| 12 #ifndef VBUF_H | |
| 13 #define VBUF_H | |
| 14 #define SZ_MAX 4096 | |
| 15 #include <stdlib.h> | |
| 16 #include <stdio.h> | |
| 17 #include <stdarg.h> | |
| 18 /***************************************************/ | |
| 19 | |
|
70
b12f4e50e2e8
Patch from Joachim Metz <joachim.metz@gmail.com> for 64 bit compile.
Carl Byington <carl@five-ten-sg.com>
parents:
43
diff
changeset
|
20 // Tokenizer const TOK_EMPTY, TOK_ELEMENT, DELIM |
| 43 | 21 #define DELIM '\\' |
| 22 | |
| 23 #define TOK_EMPTY 0 | |
| 24 #define TOK_DELIM 1 | |
| 25 #define TOK_PARENT 2 | |
| 26 #define TOK_CURRENT 3 | |
| 27 #define TOK_ELEMENT 4 | |
| 28 | |
| 29 #define TOK_ERROR 10 | |
| 30 #define TOK_BUF_SMALL 11 | |
|
70
b12f4e50e2e8
Patch from Joachim Metz <joachim.metz@gmail.com> for 64 bit compile.
Carl Byington <carl@five-ten-sg.com>
parents:
43
diff
changeset
|
31 |
| 43 | 32 |
| 33 | |
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70
b12f4e50e2e8
Patch from Joachim Metz <joachim.metz@gmail.com> for 64 bit compile.
Carl Byington <carl@five-ten-sg.com>
parents:
43
diff
changeset
|
34 // Variable-length buffers |
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b12f4e50e2e8
Patch from Joachim Metz <joachim.metz@gmail.com> for 64 bit compile.
Carl Byington <carl@five-ten-sg.com>
parents:
43
diff
changeset
|
35 struct varbuf { |
| 43 | 36 size_t dlen; //length of data stored in buffer |
| 37 size_t blen; //length of buffer | |
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70
b12f4e50e2e8
Patch from Joachim Metz <joachim.metz@gmail.com> for 64 bit compile.
Carl Byington <carl@five-ten-sg.com>
parents:
43
diff
changeset
|
38 char *buf; //buffer |
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b12f4e50e2e8
Patch from Joachim Metz <joachim.metz@gmail.com> for 64 bit compile.
Carl Byington <carl@five-ten-sg.com>
parents:
43
diff
changeset
|
39 char *b; //start of stored data |
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b12f4e50e2e8
Patch from Joachim Metz <joachim.metz@gmail.com> for 64 bit compile.
Carl Byington <carl@five-ten-sg.com>
parents:
43
diff
changeset
|
40 }; |
| 43 | 41 |
| 42 | |
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70
b12f4e50e2e8
Patch from Joachim Metz <joachim.metz@gmail.com> for 64 bit compile.
Carl Byington <carl@five-ten-sg.com>
parents:
43
diff
changeset
|
43 // The exact same thing as a varbuf but should always contain at least '\0' |
|
b12f4e50e2e8
Patch from Joachim Metz <joachim.metz@gmail.com> for 64 bit compile.
Carl Byington <carl@five-ten-sg.com>
parents:
43
diff
changeset
|
44 struct varstr { |
| 43 | 45 size_t dlen; //length of data stored in buffer |
| 46 size_t blen; //length of buffer | |
|
70
b12f4e50e2e8
Patch from Joachim Metz <joachim.metz@gmail.com> for 64 bit compile.
Carl Byington <carl@five-ten-sg.com>
parents:
43
diff
changeset
|
47 char *buf; //buffer |
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b12f4e50e2e8
Patch from Joachim Metz <joachim.metz@gmail.com> for 64 bit compile.
Carl Byington <carl@five-ten-sg.com>
parents:
43
diff
changeset
|
48 char *b; //start of stored data |
|
b12f4e50e2e8
Patch from Joachim Metz <joachim.metz@gmail.com> for 64 bit compile.
Carl Byington <carl@five-ten-sg.com>
parents:
43
diff
changeset
|
49 }; |
| 43 | 50 |
| 51 | |
| 52 typedef struct varbuf vbuf; | |
| 53 typedef struct varstr vstr; | |
| 54 | |
| 55 #define VBUF_STATIC(x,y) static vbuf *x = NULL; if(!x) x = vballoc(y); | |
| 56 #define VSTR_STATIC(x,y) static vstr *x = NULL; if(!x) x = vsalloc(y); | |
| 57 | |
| 58 // vbuf functions | |
| 59 struct varbuf *vballoc( size_t len ); | |
| 60 void vbfree( vbuf *vb ); | |
| 61 void vbclear( vbuf *vb ); //ditch the data, keep the buffer | |
| 62 void vbresize( vbuf *vb, size_t len ); | |
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70
b12f4e50e2e8
Patch from Joachim Metz <joachim.metz@gmail.com> for 64 bit compile.
Carl Byington <carl@five-ten-sg.com>
parents:
43
diff
changeset
|
63 size_t vbavail( vbuf *vb ); |
| 43 | 64 void vbdump( vbuf *vb ); |
| 65 void vbgrow( vbuf *vb, size_t len ); // grow buffer by len bytes, data are preserved | |
| 66 void vbset( vbuf *vb, void *data, size_t len ); | |
|
70
b12f4e50e2e8
Patch from Joachim Metz <joachim.metz@gmail.com> for 64 bit compile.
Carl Byington <carl@five-ten-sg.com>
parents:
43
diff
changeset
|
67 void vbskipws( vbuf *vb ); |
| 43 | 68 void vbappend( vbuf *vb, void *data, size_t length ); |
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70
b12f4e50e2e8
Patch from Joachim Metz <joachim.metz@gmail.com> for 64 bit compile.
Carl Byington <carl@five-ten-sg.com>
parents:
43
diff
changeset
|
69 void vbskip( vbuf *vb, size_t skip ); |
| 43 | 70 void vboverwrite( vbuf *vbdest, vbuf *vbsrc ); |
| 71 | |
| 72 // vstr functions | |
| 73 vstr *vsalloc( size_t len ); | |
| 74 char *vsb( vstr *vs ); | |
| 75 size_t vslen( vstr *vs ); //strlen | |
| 76 void vsfree( vstr *vs ); | |
| 77 void vsset( vstr *vs, char *s ); // Store string s in vb | |
| 78 void vsnset( vstr *vs, char *s, size_t n ); // Store string s in vb | |
| 79 void vsgrow( vstr *vs, size_t len ); // grow buffer by len bytes, data are preserved | |
| 80 size_t vsavail( vstr *vs ); | |
| 81 void vscat( vstr *vs, char *str ); | |
| 82 void vsncat( vstr *vs, char *str, size_t len ); | |
| 83 void vsnprepend( vstr *vs, char *str, size_t len ) ; | |
| 84 void vsskip( vstr *vs, size_t len ); | |
| 85 int vscmp( vstr *vs, char *str ); | |
| 86 void vsskipws( vstr *vs ); | |
| 87 void vs_printf( vstr *vs, char *fmt, ... ); | |
| 88 void vs_printfa( vstr *vs, char *fmt, ... ); | |
| 89 void vshexdump( vstr *vs, char *b, size_t start, size_t stop, int ascii ); | |
| 90 int vscatprintf( vstr *vs, char *fmt, ... ); | |
| 91 void vsvprintf( vstr *vs, char *fmt, va_list ap ); | |
|
70
b12f4e50e2e8
Patch from Joachim Metz <joachim.metz@gmail.com> for 64 bit compile.
Carl Byington <carl@five-ten-sg.com>
parents:
43
diff
changeset
|
92 void vstrunc( vstr *vs, size_t off ); // Drop chars [off..dlen] |
| 43 | 93 int vslast( vstr *vs ); // returns the last character stored in a vstr string |
| 94 void vscharcat( vstr *vs, int ch ); | |
| 95 int vsutf16( vstr *vs, vbuf *in ); //in: in=zero-terminated utf16; out: vs=utf8; returns: 0 on success, else on fail | |
| 96 | |
| 97 int vs_parse_escaped_string( vstr *vs, char *str, size_t len ); | |
| 98 | |
| 99 | |
| 100 /* | |
| 101 * Windows unicode output trash - this stuff sucks | |
| 102 * TODO: most of this should not be here | |
| 103 */ | |
| 104 | |
| 105 void unicode_init(); | |
| 106 void unicode_close(); | |
| 107 int utf16_write( FILE* stream, const void *buf, size_t count ); | |
| 108 int utf16_fprintf( FILE* stream, const char *fmt, ... ); | |
| 109 int utf16to8( char *inbuf_o, char *outbuf_o, int length ); | |
| 110 int utf8to16( char *inbuf_o, int iblen, char *outbuf_o, int oblen); | |
| 111 int vb_utf8to16T( vbuf *bout, char *cin, int inlen ); | |
| 112 int vb_utf16to8( vbuf *dest, char *buf, int len ); | |
| 113 int iso8859_1to8( char *inbuf_o, char *outbuf_o, int length ); | |
| 114 int utf8toascii( const char *inbuf_o, char *outbuf_o, int length ); | |
| 115 | |
| 116 /* dump ascii hex in windoze format */ | |
| 117 void winhex(FILE* stream, unsigned char *hbuf, int start, int stop, int loff); | |
| 118 void winhex8(FILE *stream, unsigned char *hbuf, int start, int stop, int loff ); | |
| 119 | |
| 120 void vbwinhex8(vbuf *vb, unsigned char *hbuf, int start, int stop, int loff ); | |
| 121 | |
| 122 /* general search routine, find something in something else */ | |
| 123 int find_in_buf(char *buf, char *what, int sz, int len, int start); | |
| 124 | |
| 125 /* Get INTEGER from memory. This is probably low-endian specific? */ | |
| 126 int get_int( char *array ); | |
| 127 | |
| 128 int find_nl( vstr *vs ); // find newline of type type in b | |
| 129 int skip_nl( char *s ); // returns the width of the newline at s[0] | |
| 130 //int vb_readline( struct varbuf *vb, int *ctype, FILE *in ); // read *AT LEAST* one full line of data from in | |
| 131 int vb_skipline( struct varbuf *vb ); // in: vb->b == "stuff\nmore_stuff"; out: vb->b == "more_stuff" | |
| 132 /* Get a string of HEX bytes (space separated), | |
| 133 * or if first char is ' get an ASCII string instead. */ | |
| 134 int gethexorstr(char **c, char *wb); | |
| 135 char *esc_index( char *s, int c ); // just like index(3), but works on strings with escape sequences | |
| 136 char *esc_rindex( char *s, int c ); // just like rindex(3), but works on strings with escape sequences | |
| 137 | |
| 138 char *tok_esc_char( char *s, int *is_esc, int *c ); | |
| 139 int vb_path_token( vbuf *tok, char **path ); // returns things like TOK_EMPTY, TOK_ERROR, complete list at top | |
| 140 | |
| 141 int gettoken( char *tok, int len, char **path, char delim ); // Path tokenizer: increments path, dumps token in tok | |
| 142 #endif |