* Peter Novodvorsky <petya@logic.ru>
*/
-#include "internal.h"
#include <stdio.h>
#include <stdlib.h>
#include <memory.h>
#include <assert.h>
#include <errno.h>
#include <signal.h>
+#include <sys/kd.h>
#include <sys/types.h>
-#include <sys/stat.h>
#include <sys/ioctl.h>
-#include <sys/kd.h>
-
-static const char loadacm_usage[] = "loadacm\n"
-#ifndef BB_FEATURE_TRIVIAL_HELP
- "\nLoads an acm from standard input.\n"
-#endif
- ;
+#include "busybox.h"
typedef unsigned short unicode;
int fd;
if (argc>=2 && *argv[1]=='-') {
- usage(loadacm_usage);
+ show_usage();
}
fd = open("/dev/tty", O_RDWR);
if (fd < 0) {
- fprintf(stderr, "Error opening /dev/tty1: %s\n", strerror(errno));
- return( FALSE);
+ perror_msg_and_die("Error opening /dev/tty1");
}
if (screen_map_load(fd, stdin)) {
- fprintf(stderr, "Error loading acm: %s\n", strerror(errno));
- return( FALSE);
+ perror_msg_and_die("Error loading acm");
}
write(fd, "\033(K", 3);
- return( TRUE);
+ return EXIT_SUCCESS;
}
int screen_map_load(int fd, FILE * fp)
int is_unicode;
if (fstat(fileno(fp), &stbuf))
- perror("Cannot stat map file"), exit(1);
+ perror_msg_and_die("Cannot stat map file");
/* first try a UTF screen-map: either ASCII (no restriction) or binary (regular file) */
if (!
if (parse_failed) {
if (-1 == fseek(fp, 0, SEEK_SET)) {
if (errno == ESPIPE)
- fprintf(stderr,
- "16bit screen-map MUST be a regular file.\n"),
- exit(1);
+ error_msg_and_die("16bit screen-map MUST be a regular file.");
else
- perror("fseek failed reading binary 16bit screen-map"),
- exit(1);
+ perror_msg_and_die("fseek failed reading binary 16bit screen-map");
}
if (fread(wbuf, sizeof(unicode) * E_TABSZ, 1, fp) != 1)
- perror("Cannot read [new] map from file"), exit(1);
+ perror_msg_and_die("Cannot read [new] map from file");
#if 0
else
- fprintf(stderr, "Input screen-map is binary.\n");
+ error_msg("Input screen-map is binary.");
#endif
}
/* same if it was binary, ie. if parse_failed */
if (parse_failed || is_unicode) {
if (ioctl(fd, PIO_UNISCRNMAP, wbuf))
- perror("PIO_UNISCRNMAP ioctl"), exit(1);
+ perror_msg_and_die("PIO_UNISCRNMAP ioctl");
else
return 0;
}
/* rewind... */
if (-1 == fseek(fp, 0, SEEK_SET)) {
if (errno == ESPIPE)
- fprintf(stderr,
- "Assuming 8bit screen-map - MUST be a regular file.\n"),
+ error_msg("Assuming 8bit screen-map - MUST be a regular file."),
exit(1);
else
- perror("fseek failed assuming 8bit screen-map"), exit(1);
+ perror_msg_and_die("fseek failed assuming 8bit screen-map");
}
/* ... and try an old 8-bit screen-map */
if (-1 == fseek(fp, 0, SEEK_SET)) {
if (errno == ESPIPE)
/* should not - it succedeed above */
- fprintf(stderr, "fseek() returned ESPIPE !\n"),
- exit(1);
+ error_msg_and_die("fseek() returned ESPIPE !");
else
- perror("fseek for binary 8bit screen-map"), exit(1);
+ perror_msg_and_die("fseek for binary 8bit screen-map");
}
if (fread(buf, E_TABSZ, 1, fp) != 1)
- perror("Cannot read [old] map from file"), exit(1);
+ perror_msg_and_die("Cannot read [old] map from file");
#if 0
else
- fprintf(stderr, "Input screen-map is binary.\n");
+ error_msg("Input screen-map is binary.");
#endif
}
if (ioctl(fd, PIO_SCRNMAP, buf))
- perror("PIO_SCRNMAP ioctl"), exit(1);
+ perror_msg_and_die("PIO_SCRNMAP ioctl");
else
return 0;
}
- fprintf(stderr, "Error parsing symbolic map\n");
+ error_msg("Error parsing symbolic map");
return(1);
}
if (NULL == fgets(buffer, sizeof(buffer), fp)) {
if (feof(fp))
break;
- else {
- perror("uni_screen_map_read_ascii() can't read line");
- exit(2);
- }
+ else
+ perror_msg_and_die("uni_screen_map_read_ascii() can't read line");
}
/* get "charset-relative charcode", stripping leading spaces */
int is_old_map = 0;
if (ioctl(fd, GIO_UNISCRNMAP, xbuf)) {
- perror("GIO_UNISCRNMAP ioctl error");
+ perror_msg("GIO_UNISCRNMAP ioctl error");
#endif
- if (ioctl(fd, GIO_SCRNMAP, buf)) {
- perror("GIO_SCRNMAP ioctl error");
- exit(1);
- } else
+ if (ioctl(fd, GIO_SCRNMAP, buf))
+ perror_msg_and_die("GIO_SCRNMAP ioctl error");
+ else
is_old_map = 1;
#ifdef GIO_UNISCRNMAP
}
#endif
- if ((fp = fopen(omfil, "w")) == NULL) {
- perror(omfil);
- exit(1);
- }
+ fp = xfopen(omfil, "w");
#ifdef GIO_UNISCRNMAP
if (is_old_map) {
#endif
- if (fwrite(buf, E_TABSZ, 1, fp) != 1) {
- perror("Error writing map to file");
- exit(1);
- }
+ if (fwrite(buf, E_TABSZ, 1, fp) != 1)
+ perror_msg_and_die("Error writing map to file");
#ifdef GIO_UNISCRNMAP
} else if (fwrite(xbuf, sizeof(unicode) * E_TABSZ, 1, fp) != 1) {
- perror("Error writing map to file");
- exit(1);
+ perror_msg_and_die("Error writing map to file");
}
#endif