ref: 025a2d172ebfe36bc0da32f5712dd250916c73f1
dir: /sys/src/libdraw/openfont.c/
#include <u.h> #include <libc.h> #include <draw.h> static char* readfile(char *name) { enum { HUNK = 8*1024, }; int f, n, r; char *s, *p; n = 0; r = -1; if((s = malloc(HUNK)) != nil){ if((f = open(name, OREAD|OCEXEC)) >= 0){ while((r = read(f, s+n, HUNK)) > 0){ n += r; r = -1; if((p = realloc(s, n+HUNK)) == nil) break; s = p; } close(f); } } if(r < 0 || (p = realloc(s, n+1)) == nil){ free(s); return nil; } p[n] = 0; return p; } Font* openfont(Display *d, char *name) { Font *fnt; char *buf; if((buf = readfile(name)) == nil){ werrstr("openfont: %r"); return nil; } fnt = buildfont(d, buf, name); free(buf); return fnt; }