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author | rsc <devnull@localhost> | 2003-09-30 17:47:42 +0000 |
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committer | rsc <devnull@localhost> | 2003-09-30 17:47:42 +0000 |
commit | 76193d7cb0457807b2f0b95f909ab5de19480cd7 (patch) | |
tree | 97e538c7e38181431e90289a0fe8b6b7ce1f8f3c /src/libdraw/getsubfont.c | |
parent | ed7c8e8d02c02bdbff1e88a6d8d1419f39af48ad (diff) | |
download | plan9port-76193d7cb0457807b2f0b95f909ab5de19480cd7.tar.gz plan9port-76193d7cb0457807b2f0b95f909ab5de19480cd7.tar.bz2 plan9port-76193d7cb0457807b2f0b95f909ab5de19480cd7.zip |
Initial revision
Diffstat (limited to 'src/libdraw/getsubfont.c')
-rw-r--r-- | src/libdraw/getsubfont.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/src/libdraw/getsubfont.c b/src/libdraw/getsubfont.c new file mode 100644 index 00000000..b7a8e44a --- /dev/null +++ b/src/libdraw/getsubfont.c @@ -0,0 +1,36 @@ +#include <u.h> +#include <libc.h> +#include <draw.h> + +/* + * Default version: treat as file name + */ + +Subfont* +_getsubfont(Display *d, char *name) +{ + int fd; + Subfont *f; + + fd = open(name, OREAD); + + if(fd < 0){ + fprint(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->locking == 0) + unlockdisplay(d); + f = readsubfont(d, name, fd, d->locking==0); + if(d->locking == 0) + lockdisplay(d); + if(f == 0) + fprint(2, "getsubfont: can't read %s: %r\n", name); + close(fd); + return f; +} |