From 4aca87515a5083ae0e31ce3177189fd43b6d05ac Mon Sep 17 00:00:00 2001 From: Andreas Baumann Date: Sat, 3 Jan 2015 13:58:15 +0100 Subject: patch to Vanilla Tomato 1.28 --- release/src/router/busybox/loadfont.c | 204 ---------------------------------- 1 file changed, 204 deletions(-) delete mode 100644 release/src/router/busybox/loadfont.c (limited to 'release/src/router/busybox/loadfont.c') diff --git a/release/src/router/busybox/loadfont.c b/release/src/router/busybox/loadfont.c deleted file mode 100644 index 905de772..00000000 --- a/release/src/router/busybox/loadfont.c +++ /dev/null @@ -1,204 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * loadfont.c - Eugene Crosser & Andries Brouwer - * - * Version 0.96bb - * - * Loads the console font, and possibly the corresponding screen map(s). - * (Adapted for busybox by Matej Vela.) - */ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include "busybox.h" - -static const int PSF_MAGIC1 = 0x36; -static const int PSF_MAGIC2 = 0x04; - -static const int PSF_MODE512 = 0x01; -static const int PSF_MODEHASTAB = 0x02; -static const int PSF_MAXMODE = 0x03; -static const int PSF_SEPARATOR = 0xFFFF; - -struct psf_header { - unsigned char magic1, magic2; /* Magic number */ - unsigned char mode; /* PSF font mode */ - unsigned char charsize; /* Character size */ -}; - -#define PSF_MAGIC_OK(x) ((x).magic1 == PSF_MAGIC1 && (x).magic2 == PSF_MAGIC2) - -static void loadnewfont(int fd); - -extern int loadfont_main(int argc, char **argv) -{ - int fd; - - if (argc != 1) - show_usage(); - - fd = open(CURRENT_VC, O_RDWR); - if (fd < 0) - perror_msg_and_die("Error opening " CURRENT_VC); - loadnewfont(fd); - - return EXIT_SUCCESS; -} - -static void do_loadfont(int fd, char *inbuf, int unit, int fontsize) -{ - char buf[16384]; - int i; - - memset(buf, 0, sizeof(buf)); - - if (unit < 1 || unit > 32) - error_msg_and_die("Bad character size %d", unit); - - for (i = 0; i < fontsize; i++) - memcpy(buf + (32 * i), inbuf + (unit * i), unit); - -#if defined(PIO_FONTX) && !defined(__sparc__) - { - struct consolefontdesc cfd; - - cfd.charcount = fontsize; - cfd.charheight = unit; - cfd.chardata = buf; - - if (ioctl(fd, PIO_FONTX, &cfd) == 0) - return; /* success */ - perror_msg("PIO_FONTX ioctl error (trying PIO_FONT)"); - } -#endif - if (ioctl(fd, PIO_FONT, buf)) - perror_msg_and_die("PIO_FONT ioctl error"); -} - -static void -do_loadtable(int fd, unsigned char *inbuf, int tailsz, int fontsize) -{ - struct unimapinit advice; - struct unimapdesc ud; - struct unipair *up; - int ct = 0, maxct; - int glyph; - u_short unicode; - - maxct = tailsz; /* more than enough */ - up = (struct unipair *) xmalloc(maxct * sizeof(struct unipair)); - - for (glyph = 0; glyph < fontsize; glyph++) { - while (tailsz >= 2) { - unicode = (((u_short) inbuf[1]) << 8) + inbuf[0]; - tailsz -= 2; - inbuf += 2; - if (unicode == PSF_SEPARATOR) - break; - up[ct].unicode = unicode; - up[ct].fontpos = glyph; - ct++; - } - } - - /* Note: after PIO_UNIMAPCLR and before PIO_UNIMAP - this printf did not work on many kernels */ - - advice.advised_hashsize = 0; - advice.advised_hashstep = 0; - advice.advised_hashlevel = 0; - if (ioctl(fd, PIO_UNIMAPCLR, &advice)) { -#ifdef ENOIOCTLCMD - if (errno == ENOIOCTLCMD) { - error_msg("It seems this kernel is older than 1.1.92"); - error_msg_and_die("No Unicode mapping table loaded."); - } else -#endif - perror_msg_and_die("PIO_UNIMAPCLR"); - } - ud.entry_ct = ct; - ud.entries = up; - if (ioctl(fd, PIO_UNIMAP, &ud)) { - perror_msg_and_die("PIO_UNIMAP"); - } -} - -static void loadnewfont(int fd) -{ - int unit; - char inbuf[32768]; /* primitive */ - unsigned int inputlth, offset; - - /* - * We used to look at the length of the input file - * with stat(); now that we accept compressed files, - * just read the entire file. - */ - inputlth = fread(inbuf, 1, sizeof(inbuf), stdin); - if (ferror(stdin)) - perror_msg_and_die("Error reading input font"); - /* use malloc/realloc in case of giant files; - maybe these do not occur: 16kB for the font, - and 16kB for the map leaves 32 unicode values - for each font position */ - if (!feof(stdin)) - perror_msg_and_die("Font too large"); - - /* test for psf first */ - { - struct psf_header psfhdr; - int fontsize; - int hastable; - unsigned int head0, head; - - if (inputlth < sizeof(struct psf_header)) - goto no_psf; - - psfhdr = *(struct psf_header *) &inbuf[0]; - - if (!PSF_MAGIC_OK(psfhdr)) - goto no_psf; - - if (psfhdr.mode > PSF_MAXMODE) - error_msg_and_die("Unsupported psf file mode"); - fontsize = ((psfhdr.mode & PSF_MODE512) ? 512 : 256); -#if !defined(PIO_FONTX) || defined(__sparc__) - if (fontsize != 256) - error_msg_and_die("Only fontsize 256 supported"); -#endif - hastable = (psfhdr.mode & PSF_MODEHASTAB); - unit = psfhdr.charsize; - head0 = sizeof(struct psf_header); - - head = head0 + fontsize * unit; - if (head > inputlth || (!hastable && head != inputlth)) - error_msg_and_die("Input file: bad length"); - do_loadfont(fd, inbuf + head0, unit, fontsize); - if (hastable) - do_loadtable(fd, inbuf + head, inputlth - head, fontsize); - return; - } - no_psf: - - /* file with three code pages? */ - if (inputlth == 9780) { - offset = 40; - unit = 16; - } else { - /* bare font */ - if (inputlth & 0377) - error_msg_and_die("Bad input file size"); - offset = 0; - unit = inputlth / 256; - } - do_loadfont(fd, inbuf + offset, unit, 256); -} -- cgit v1.2.3-54-g00ecf