ref: ec35f468e0eba87c9f09cbbe5fa8af2591e6f914
dir: /libdraw/getsubfont.c/
#include "lib9.h" #include "kernel.h" #include "draw.h" /* * Default version: treat as file name */ Subfont* _getsubfont(Display *d, char *name) { int fd; Subfont *f; fd = libopen(name, OREAD); if(fd < 0){ _drawprint(2, "getsubfont: can't open %s: %r\n", name); return 0; } /* * unlock display so i/o happens with display released, unless * user is doing his own locking, in which case this could break things. * _getsubfont is called only from string.c and stringwidth.c, * which are known to be safe to have this done. */ if(d->local == 0) unlockdisplay(d); f = readsubfont(d, name, fd, d->local == 0); if(d->local == 0) lockdisplay(d); if(f == 0) _drawprint(2, "getsubfont: can't read %s: %r\n", name); libclose(fd); return f; }