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authorGravatar Matt Kraai <kraai@debian.org>2000-10-25 17:00:36 +0000
committerGravatar Matt Kraai <kraai@debian.org>2000-10-25 17:00:36 +0000
commitef5529b27865adc79cd4d48f932d477b1d79b94e (patch)
tree88e77273fdc4f681859d3b3ef99507535c172f7b /console-tools
parent9133c98a9d5b26fd645d30f70c4cf994aea972e9 (diff)
downloadbusybox-ef5529b27865adc79cd4d48f932d477b1d79b94e.tar.gz
busybox-ef5529b27865adc79cd4d48f932d477b1d79b94e.tar.bz2
Added a new perrorMsg function, cleanup up error handling, fixed TRUE/FALSE
uses, and other minor fixes.
Diffstat (limited to 'console-tools')
-rw-r--r--console-tools/loadfont.c69
1 files changed, 24 insertions, 45 deletions
diff --git a/console-tools/loadfont.c b/console-tools/loadfont.c
index d6eadc353..f69f52fd8 100644
--- a/console-tools/loadfont.c
+++ b/console-tools/loadfont.c
@@ -43,18 +43,15 @@ extern int loadfont_main(int argc, char **argv)
{
int fd;
- if (argc>=2 && *argv[1]=='-') {
+ if (argc != 1)
usage(loadfont_usage);
- }
fd = open("/dev/tty0", O_RDWR);
- if (fd < 0) {
- errorMsg("Error opening /dev/tty0: %s\n", strerror(errno));
- return( FALSE);
- }
+ if (fd < 0)
+ fatalPerror("Error opening /dev/tty0");
loadnewfont(fd);
- return( TRUE);
+ return EXIT_SUCCESS;
}
static void do_loadfont(int fd, char *inbuf, int unit, int fontsize)
@@ -64,10 +61,8 @@ static void do_loadfont(int fd, char *inbuf, int unit, int fontsize)
memset(buf, 0, sizeof(buf));
- if (unit < 1 || unit > 32) {
- errorMsg("Bad character size %d\n", unit);
- exit(1);
- }
+ if (unit < 1 || unit > 32)
+ fatalError("Bad character size %d\n", unit);
for (i = 0; i < fontsize; i++)
memcpy(buf + (32 * i), inbuf + (unit * i), unit);
@@ -82,13 +77,11 @@ static void do_loadfont(int fd, char *inbuf, int unit, int fontsize)
if (ioctl(fd, PIO_FONTX, &cfd) == 0)
return; /* success */
- perror("PIO_FONTX ioctl error (trying PIO_FONT)");
+ perrorMsg("PIO_FONTX ioctl error (trying PIO_FONT)");
}
#endif
- if (ioctl(fd, PIO_FONT, buf)) {
- perror("PIO_FONT ioctl error");
- exit(1);
- }
+ if (ioctl(fd, PIO_FONT, buf))
+ fatalPerror("PIO_FONT ioctl error");
}
static void
@@ -127,11 +120,10 @@ do_loadtable(int fd, unsigned char *inbuf, int tailsz, int fontsize)
#ifdef ENOIOCTLCMD
if (errno == ENOIOCTLCMD) {
errorMsg("It seems this kernel is older than 1.1.92\n");
- errorMsg("No Unicode mapping table loaded.\n");
+ fatalError("No Unicode mapping table loaded.\n");
} else
#endif
- perror("PIO_UNIMAPCLR");
- exit(1);
+ fatalPerror("PIO_UNIMAPCLR");
}
ud.entry_ct = ct;
ud.entries = up;
@@ -141,8 +133,7 @@ do_loadtable(int fd, unsigned char *inbuf, int tailsz, int fontsize)
/* change advice parameters */
}
#endif
- perror("PIO_UNIMAP");
- exit(1);
+ fatalPerror("PIO_UNIMAP");
}
}
@@ -158,18 +149,14 @@ static void loadnewfont(int fd)
* just read the entire file.
*/
inputlth = fread(inbuf, 1, sizeof(inbuf), stdin);
- if (ferror(stdin)) {
- perror("Error reading input font");
- exit(1);
- }
+ if (ferror(stdin))
+ fatalPerror("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("Font too large");
- exit(1);
- }
+ if (!feof(stdin))
+ fatalPerror("Font too large");
/* test for psf first */
{
@@ -186,26 +173,20 @@ static void loadnewfont(int fd)
if (!PSF_MAGIC_OK(psfhdr))
goto no_psf;
- if (psfhdr.mode > PSF_MAXMODE) {
- errorMsg("Unsupported psf file mode\n");
- exit(1);
- }
+ if (psfhdr.mode > PSF_MAXMODE)
+ fatalError("Unsupported psf file mode\n");
fontsize = ((psfhdr.mode & PSF_MODE512) ? 512 : 256);
#if !defined( PIO_FONTX ) || defined( __sparc__ )
- if (fontsize != 256) {
- errorMsg("Only fontsize 256 supported\n");
- exit(1);
- }
+ if (fontsize != 256)
+ fatalError("Only fontsize 256 supported\n");
#endif
hastable = (psfhdr.mode & PSF_MODEHASTAB);
unit = psfhdr.charsize;
head0 = sizeof(struct psf_header);
head = head0 + fontsize * unit;
- if (head > inputlth || (!hastable && head != inputlth)) {
- errorMsg("Input file: bad length\n");
- exit(1);
- }
+ if (head > inputlth || (!hastable && head != inputlth))
+ fatalError("Input file: bad length\n");
do_loadfont(fd, inbuf + head0, unit, fontsize);
if (hastable)
do_loadtable(fd, inbuf + head, inputlth - head, fontsize);
@@ -219,10 +200,8 @@ static void loadnewfont(int fd)
unit = 16;
} else {
/* bare font */
- if (inputlth & 0377) {
- errorMsg("Bad input file size\n");
- exit(1);
- }
+ if (inputlth & 0377)
+ fatalError("Bad input file size\n");
offset = 0;
unit = inputlth / 256;
}