mirror of
https://github.com/rsms/inter.git
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94 lines
2.2 KiB
C
Vendored
94 lines
2.2 KiB
C
Vendored
#include <sys/types.h>
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#include <string.h>
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#pragma clang diagnostic ignored "-Wshift-op-parentheses"
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#pragma clang diagnostic ignored "-Wpointer-sign"
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#ifndef NO_ERRWARN
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#include <err.h>
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#else
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void err(int,char*,...);
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void errx(int,char*,...);
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void warn(char*,...);
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void warnx(char*,...);
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#endif
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enum {
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fmt_UNKNOWN=0,
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fmt_TTF,
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fmt_WOFF
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};
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extern struct flags {
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unsigned otype:8;
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unsigned stdout_used:1;
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unsigned verbose:1;
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unsigned mayoptim:1;
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unsigned optimize:1;
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unsigned dryrun:1;
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unsigned inplace:1;
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unsigned listonly:1;
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} g;
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void echo(char *, ...);
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typedef unsigned char u8;
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typedef unsigned int u32;
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static inline int g16(u8 *p) {return p[0]<<8 | p[1];}
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static inline u32 g32(u8 *p) {return (u32)p[0]<<24 | p[1]<<16 | p[2]<<8 | p[3];}
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static inline u8 *p16(u8 *p, int v) {p[0]=v>>8; p[1]=v; return p+2;}
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static inline u8 *p32(u8 *p, u32 v) {p[0]=v>>24; p[1]=v>>16; p[2]=v>>8; p[3]=v; return p+4;}
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static inline u8 *append(u8 *d, u8 *s, size_t n) {u8 *p=d+n; memcpy(d,s,n); return p;}
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struct buf {
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u8 *ptr;
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unsigned len;
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};
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struct table {
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u32 tag;
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unsigned modified:1;
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unsigned free_buf:1;
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struct buf buf;
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u32 csum;
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u32 pos;
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char name[8];
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struct buf zbuf;
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};
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struct ttf {
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u32 flavor;
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int ntables;
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unsigned modified:1;
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unsigned modified_meta:1; // WOFF meta & priv
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struct table *tables; // sorted by name
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struct table **tab_pos; // sorted by file pos
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struct buf woff_meta, woff_priv;
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};
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void alloc_tables(struct ttf *ttf);
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void name_table(struct table *t);
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u8 *put_ttf_header(u8 buf[12], struct ttf *ttf);
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struct table *find_table(struct ttf *ttf, char tag[4]);
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void optimize(struct ttf *ttf);
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void read_ttf(struct ttf *ttf, u8 *data, size_t length, unsigned offset);
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void read_ttc(struct ttf *ttf, u8 *data, size_t length, int fontn);
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void read_woff(struct ttf *ttf, u8 *data, size_t length);
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void gen_woff(struct buf *out, struct ttf *ttf);
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void gen_ttf(struct buf *out, struct ttf *ttf);
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#define BAD_FONT errx(2, "Bad font (%s:%d)",__FILE__,__LINE__)
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int zlib_compress(struct buf *out, struct buf *inp);
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extern char *copression_by;
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#define _STR(X) #X
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#define STR(X) _STR(X)
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#define REALLY_SMALLER(A,B) (((A)+3&~3)<((B)+3&~3))
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void *my_alloc(size_t sz);
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void *my_free(void *p);
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void *my_realloc(void *p, size_t sz);
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