diff options
author | Erik Andersen <andersen@codepoet.org> | 2000-02-08 22:58:47 +0300 |
---|---|---|
committer | Erik Andersen <andersen@codepoet.org> | 2000-02-08 22:58:47 +0300 |
commit | e49d5ecbbe51718fa925b6890a735e5937cc2aa2 (patch) | |
tree | c90bda10731ad9333ce3b404f993354c9fc104b8 /console-tools | |
parent | c0bf817bbc5c7867fbe8fb76d5c39f8ee802692f (diff) |
Some formatting updates (ran the code through indent)
-Erik
Diffstat (limited to 'console-tools')
-rw-r--r-- | console-tools/chvt.c | 36 | ||||
-rw-r--r-- | console-tools/clear.c | 6 | ||||
-rw-r--r-- | console-tools/deallocvt.c | 62 | ||||
-rw-r--r-- | console-tools/loadacm.c | 664 | ||||
-rw-r--r-- | console-tools/loadfont.c | 196 | ||||
-rw-r--r-- | console-tools/loadkmap.c | 103 |
6 files changed, 518 insertions, 549 deletions
diff --git a/console-tools/chvt.c b/console-tools/chvt.c index bea00ea83..a32bd3e78 100644 --- a/console-tools/chvt.c +++ b/console-tools/chvt.c @@ -1,3 +1,4 @@ +/* vi: set sw=4 ts=4: */ /* * chvt.c - aeb - 940227 - Change virtual terminal * @@ -13,24 +14,23 @@ extern int getfd(void); -int -chvt_main(int argc, char** argv) +int chvt_main(int argc, char **argv) { - int fd, num; + int fd, num; - if ( ( argc != 2) || (**(argv+1) == '-' ) ) { - usage ("chvt N\n\nChange foreground virtual terminal to /dev/ttyN\n"); - } - fd = get_console_fd("/dev/console"); - num = atoi(argv[1]); - if (ioctl(fd,VT_ACTIVATE,num)) { - perror("VT_ACTIVATE"); - exit(FALSE); - } - if (ioctl(fd,VT_WAITACTIVE,num)) { - perror("VT_WAITACTIVE"); - exit(FALSE); - } - exit( TRUE); + if ((argc != 2) || (**(argv + 1) == '-')) { + usage + ("chvt N\n\nChange foreground virtual terminal to /dev/ttyN\n"); + } + fd = get_console_fd("/dev/console"); + num = atoi(argv[1]); + if (ioctl(fd, VT_ACTIVATE, num)) { + perror("VT_ACTIVATE"); + exit(FALSE); + } + if (ioctl(fd, VT_WAITACTIVE, num)) { + perror("VT_WAITACTIVE"); + exit(FALSE); + } + exit(TRUE); } - diff --git a/console-tools/clear.c b/console-tools/clear.c index 67a3af983..899840a8a 100644 --- a/console-tools/clear.c +++ b/console-tools/clear.c @@ -1,3 +1,4 @@ +/* vi: set sw=4 ts=4: */ /* * Mini clear implementation for busybox * @@ -25,9 +26,8 @@ #include <stdio.h> -extern int -clear_main(int argc, char** argv) +extern int clear_main(int argc, char **argv) { printf("\033[H\033[J"); - exit( TRUE); + exit(TRUE); } diff --git a/console-tools/deallocvt.c b/console-tools/deallocvt.c index 1e13ff69c..141062edc 100644 --- a/console-tools/deallocvt.c +++ b/console-tools/deallocvt.c @@ -1,3 +1,4 @@ +/* vi: set sw=4 ts=4: */ /* * disalloc.c - aeb - 940501 - Disallocate virtual terminal(s) * Renamed deallocvt. @@ -13,38 +14,39 @@ extern int getfd(void); char *progname; -int -deallocvt_main(int argc, char *argv[]) { - int fd, num, i; +int deallocvt_main(int argc, char *argv[]) +{ + int fd, num, i; - if ( ( argc != 2) || (**(argv+1) == '-' ) ) { - usage ("deallocvt N\n\nDeallocate unused virtual terminal /dev/ttyN\n"); - } + if ((argc != 2) || (**(argv + 1) == '-')) { + usage + ("deallocvt N\n\nDeallocate unused virtual terminal /dev/ttyN\n"); + } - progname = argv[0]; + progname = argv[0]; - fd = get_console_fd("/dev/console"); + fd = get_console_fd("/dev/console"); - if (argc == 1) { - /* deallocate all unused consoles */ - if (ioctl(fd,VT_DISALLOCATE,0)) { - perror("VT_DISALLOCATE"); - exit(1); - } - } else - for (i = 1; i < argc; i++) { - num = atoi(argv[i]); - if (num == 0) - fprintf(stderr, "%s: 0: illegal VT number\n", progname); - else if (num == 1) - fprintf(stderr, "%s: VT 1 cannot be deallocated\n", progname); - else - if (ioctl(fd,VT_DISALLOCATE,num)) { - perror("VT_DISALLOCATE"); - fprintf(stderr, "%s: could not deallocate console %d\n", - progname, num); - exit(1); - } - } - exit(0); + if (argc == 1) { + /* deallocate all unused consoles */ + if (ioctl(fd, VT_DISALLOCATE, 0)) { + perror("VT_DISALLOCATE"); + exit(1); + } + } else + for (i = 1; i < argc; i++) { + num = atoi(argv[i]); + if (num == 0) + fprintf(stderr, "%s: 0: illegal VT number\n", progname); + else if (num == 1) + fprintf(stderr, "%s: VT 1 cannot be deallocated\n", + progname); + else if (ioctl(fd, VT_DISALLOCATE, num)) { + perror("VT_DISALLOCATE"); + fprintf(stderr, "%s: could not deallocate console %d\n", + progname, num); + exit(1); + } + } + exit(0); } diff --git a/console-tools/loadacm.c b/console-tools/loadacm.c index 491bc5ce8..072562f6b 100644 --- a/console-tools/loadacm.c +++ b/console-tools/loadacm.c @@ -1,3 +1,4 @@ +/* vi: set sw=4 ts=4: */ /* * Derived from * mapscrn.c - version 0.92 @@ -23,120 +24,115 @@ typedef unsigned short unicode; static long int ctoi(unsigned char *s, int *is_unicode); -int old_screen_map_read_ascii(FILE *fp, unsigned char buf[]); -int uni_screen_map_read_ascii(FILE *fp, unicode buf[], int* is_unicode); -unicode utf8_to_ucs2 (char* buf); -int screen_map_load(int fd, FILE *fp); +int old_screen_map_read_ascii(FILE * fp, unsigned char buf[]); +int uni_screen_map_read_ascii(FILE * fp, unicode buf[], int *is_unicode); +unicode utf8_to_ucs2(char *buf); +int screen_map_load(int fd, FILE * fp); int loadacm_main(int argc, char **argv) { - int fd; - - fd = open("/dev/tty", O_RDWR); - if (fd < 0) { - fprintf(stderr, "Error opening /dev/tty1: %s\n", strerror(errno)); - return 1; - } - - if (screen_map_load(fd, stdin)) - { - fprintf(stderr, "Error loading acm: %s\n", strerror(errno)); - return 1; - } - - write(fd, "\033(K", 3); - - return 0; + int fd; + + fd = open("/dev/tty", O_RDWR); + if (fd < 0) { + fprintf(stderr, "Error opening /dev/tty1: %s\n", strerror(errno)); + return 1; + } + + if (screen_map_load(fd, stdin)) { + fprintf(stderr, "Error loading acm: %s\n", strerror(errno)); + return 1; + } + + write(fd, "\033(K", 3); + + return 0; } -int screen_map_load(int fd, FILE *fp) +int screen_map_load(int fd, FILE * fp) { - struct stat stbuf; - unicode wbuf[E_TABSZ]; - unsigned char buf[E_TABSZ]; - int parse_failed = 0; - int is_unicode; - - if (fstat(fp->_fileno, &stbuf)) - perror("Cannot stat map file"), exit(1); - - /* first try a UTF screen-map: either ASCII (no restriction) or binary (regular file) */ - if (!(parse_failed = (-1 == uni_screen_map_read_ascii(fp,wbuf,&is_unicode))) || - (S_ISREG(stbuf.st_mode) && - (stbuf.st_size == (sizeof(unicode) * E_TABSZ)))) /* test for binary UTF map by size */ - { - 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); - else - perror ("fseek failed reading binary 16bit screen-map"), exit (1); - } - - if (fread(wbuf, sizeof(unicode) * E_TABSZ, 1, fp) != 1) - perror("Cannot read [new] map from file"), exit(1); + struct stat stbuf; + unicode wbuf[E_TABSZ]; + unsigned char buf[E_TABSZ]; + int parse_failed = 0; + int is_unicode; + + if (fstat(fp->_fileno, &stbuf)) + perror("Cannot stat map file"), exit(1); + + /* first try a UTF screen-map: either ASCII (no restriction) or binary (regular file) */ + if (! + (parse_failed = + (-1 == uni_screen_map_read_ascii(fp, wbuf, &is_unicode))) +|| (S_ISREG(stbuf.st_mode) && (stbuf.st_size == (sizeof(unicode) * E_TABSZ)))) { /* test for binary UTF map by size */ + 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); + else + perror("fseek failed reading binary 16bit screen-map"), + exit(1); + } + + if (fread(wbuf, sizeof(unicode) * E_TABSZ, 1, fp) != 1) + perror("Cannot read [new] map from file"), exit(1); #if 0 - else - fprintf(stderr, "Input screen-map is binary.\n"); + else + fprintf(stderr, "Input screen-map is binary.\n"); #endif + } + + /* if it was effectively a 16-bit ASCII, OK, else try to read as 8-bit map */ + /* 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); + else + return 0; + } } - /* if it was effectively a 16-bit ASCII, OK, else try to read as 8-bit map */ - /* 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); - 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"), + exit(1); + else + perror("fseek failed assuming 8bit screen-map"), exit(1); } - } - - /* rewind... */ - if (-1 == fseek (fp, 0, SEEK_SET)) - { - if (errno == ESPIPE) - fprintf (stderr, "Assuming 8bit screen-map - MUST be a regular file.\n"), exit (1); - else - perror ("fseek failed assuming 8bit screen-map"), exit (1); - } - - /* ... and try an old 8-bit screen-map */ - if (!(parse_failed = (-1 == old_screen_map_read_ascii(fp,buf))) || - (S_ISREG(stbuf.st_mode) && - (stbuf.st_size == E_TABSZ))) /* test for binary old 8-bit map by size */ - { - if (parse_failed) - { - if (-1 == fseek (fp, 0, SEEK_SET)) - { - if (errno == ESPIPE) - /* should not - it succedeed above */ - fprintf (stderr, "fseek() returned ESPIPE !\n"), exit (1); - else - perror ("fseek for binary 8bit screen-map"), exit (1); - } - - if (fread(buf,E_TABSZ,1,fp) != 1) - perror("Cannot read [old] map from file"), exit(1); + + /* ... and try an old 8-bit screen-map */ + if (!(parse_failed = (-1 == old_screen_map_read_ascii(fp, buf))) || + (S_ISREG(stbuf.st_mode) && (stbuf.st_size == E_TABSZ))) { /* test for binary old 8-bit map by size */ + if (parse_failed) { + if (-1 == fseek(fp, 0, SEEK_SET)) { + if (errno == ESPIPE) + /* should not - it succedeed above */ + fprintf(stderr, "fseek() returned ESPIPE !\n"), + exit(1); + else + perror("fseek for binary 8bit screen-map"), exit(1); + } + + if (fread(buf, E_TABSZ, 1, fp) != 1) + perror("Cannot read [old] map from file"), exit(1); #if 0 - else - fprintf(stderr, "Input screen-map is binary.\n"); + else + fprintf(stderr, "Input screen-map is binary.\n"); #endif + } + + if (ioctl(fd, PIO_SCRNMAP, buf)) + perror("PIO_SCRNMAP ioctl"), exit(1); + else + return 0; + } else { + fprintf(stderr, "Error parsing symbolic map\n"); + exit(1); } - - if (ioctl(fd,PIO_SCRNMAP,buf)) - perror("PIO_SCRNMAP ioctl"), exit(1); - else - return 0; - } - else - { - fprintf(stderr, "Error parsing symbolic map\n"); - exit(1); - } } @@ -149,116 +145,111 @@ int screen_map_load(int fd, FILE *fp) * * FIXME: ignores everything after second word */ -int uni_screen_map_read_ascii(FILE *fp, unicode buf[], int *is_unicode) +int uni_screen_map_read_ascii(FILE * fp, unicode buf[], int *is_unicode) { - char buffer[256]; /* line buffer reading file */ - char *p, *q; /* 1st + 2nd words in line */ - int in, on; /* the same, as numbers */ - int tmp_is_unicode; /* tmp for is_unicode calculation */ - int i; /* loop index - result holder */ - int ret_code = 0; /* return code */ - sigset_t sigset, old_sigset; - - assert (is_unicode); - - *is_unicode = 0; - - /* first 128 codes defaults to ASCII */ - for (i=0; i<128; i++) buf[i] = i; - /* remaining defaults to replacement char (usually E_TABSZ = 256) */ - for ( ; i<E_TABSZ; i++) buf[i] = 0xfffd; - - /* block SIGCHLD */ - sigemptyset (&sigset); - sigaddset (&sigset, SIGCHLD); - sigprocmask (SIG_BLOCK, &sigset, &old_sigset); - - do - { - if (NULL == fgets(buffer, sizeof(buffer),fp)) - { - if (feof (fp)) - break; - else - { - perror ("uni_screen_map_read_ascii() can't read line"); - exit (2); - } - } - - /* get "charset-relative charcode", stripping leading spaces */ - p = strtok(buffer," \t\n"); - - /* skip empty lines and comments */ - if (!p || *p == '#') - continue; - - /* get unicode mapping */ - q = strtok(NULL," \t\n"); - if (q) - { - in = ctoi(p, NULL); - if (in < 0 || in > 255) - { - ret_code = -1; - break; - } - - on = ctoi(q, &tmp_is_unicode); - if (in < 0 && on > 65535) - { - ret_code = -1; - break; - } - - *is_unicode |= tmp_is_unicode; - buf[in] = on; + char buffer[256]; /* line buffer reading file */ + char *p, *q; /* 1st + 2nd words in line */ + int in, on; /* the same, as numbers */ + int tmp_is_unicode; /* tmp for is_unicode calculation */ + int i; /* loop index - result holder */ + int ret_code = 0; /* return code */ + sigset_t sigset, old_sigset; + + assert(is_unicode); + + *is_unicode = 0; + + /* first 128 codes defaults to ASCII */ + for (i = 0; i < 128; i++) + buf[i] = i; + /* remaining defaults to replacement char (usually E_TABSZ = 256) */ + for (; i < E_TABSZ; i++) + buf[i] = 0xfffd; + + /* block SIGCHLD */ + sigemptyset(&sigset); + sigaddset(&sigset, SIGCHLD); + sigprocmask(SIG_BLOCK, &sigset, &old_sigset); + + do { + if (NULL == fgets(buffer, sizeof(buffer), fp)) { + if (feof(fp)) + break; + else { + perror("uni_screen_map_read_ascii() can't read line"); + exit(2); + } + } + + /* get "charset-relative charcode", stripping leading spaces */ + p = strtok(buffer, " \t\n"); + + /* skip empty lines and comments */ + if (!p || *p == '#') + continue; + + /* get unicode mapping */ + q = strtok(NULL, " \t\n"); + if (q) { + in = ctoi(p, NULL); + if (in < 0 || in > 255) { + ret_code = -1; + break; + } + + on = ctoi(q, &tmp_is_unicode); + if (in < 0 && on > 65535) { + ret_code = -1; + break; + } + + *is_unicode |= tmp_is_unicode; + buf[in] = on; + } else { + ret_code = -1; + break; + } } - else - { - ret_code = -1; - break; - } - } - while (1); /* terminated by break on feof() */ + while (1); /* terminated by break on feof() */ - /* restore sig mask */ - sigprocmask (SIG_SETMASK, &old_sigset, NULL); + /* restore sig mask */ + sigprocmask(SIG_SETMASK, &old_sigset, NULL); - return ret_code; + return ret_code; } -int old_screen_map_read_ascii(FILE *fp, unsigned char buf[]) +int old_screen_map_read_ascii(FILE * fp, unsigned char buf[]) { - char buffer[256]; - int in, on; - char *p, *q; - - for (in=0; in<256; in++) buf[in]=in; - - while (fgets(buffer,sizeof(buffer)-1,fp)) - { - p = strtok(buffer," \t\n"); - - if (!p || *p == '#') - continue; - - q = strtok(NULL," \t\n#"); - if (q) - { - in = ctoi(p, NULL); - if (in < 0 || in > 255) return -1; - - on = ctoi(q, NULL); - if (in < 0 && on > 255) return -1; - - buf[in] = on; + char buffer[256]; + int in, on; + char *p, *q; + + for (in = 0; in < 256; in++) + buf[in] = in; + + while (fgets(buffer, sizeof(buffer) - 1, fp)) { + p = strtok(buffer, " \t\n"); + + if (!p || *p == '#') + continue; + + q = strtok(NULL, " \t\n#"); + if (q) { + in = ctoi(p, NULL); + if (in < 0 || in > 255) + return -1; + + on = ctoi(q, NULL); + if (in < 0 && on > 255) + return -1; + + buf[in] = on; + } else + return -1; } - else return -1; - } - - return(0); + + return (0); } @@ -270,172 +261,145 @@ int old_screen_map_read_ascii(FILE *fp, unsigned char buf[]) * * CAVEAT: will report valid UTF mappings using only 1 byte as 8-bit ones. */ -long int ctoi(unsigned char *s, int *is_unicode) +long int ctoi(unsigned char *s, int *is_unicode) { - int i; - size_t ls; - - ls = strlen(s); - if (is_unicode) *is_unicode = 0; - - /* hex-specified UCS2 */ - if ((strncmp(s,"U+",2) == 0) && - (strspn(s+2,"0123456789abcdefABCDEF") == ls-2)) - { - sscanf(s+2,"%x",&i); - if (is_unicode) *is_unicode = 1; - } - - /* hex-specified byte */ - else if ((ls <= 4) && (strncmp(s,"0x",2) == 0) && - (strspn(s+2,"0123456789abcdefABCDEF") == ls-2)) - sscanf(s+2,"%x",&i); - - /* oct-specified number (byte) */ - else if ((*s == '0') && - (strspn(s,"01234567") == ls)) - sscanf(s,"%o",&i); - - /* dec-specified number (byte) */ - else if (strspn(s,"0123456789") == ls) - sscanf(s,"%d",&i); - - /* single-byte quoted char */ - else if ((strlen(s) == 3) && (s[0] == '\'') && (s[2] == '\'')) - i=s[1]; - - /* multi-byte UTF8 quoted char */ - else if ((s[0] == '\'') && (s[ls-1] == '\'')) - { - s[ls-1] = 0; /* ensure we'll not "parse UTF too far" */ - i = utf8_to_ucs2(s+1); - if (is_unicode) *is_unicode = 1; - } - else - return(-1); - - return(i); + int i; + size_t ls; + + ls = strlen(s); + if (is_unicode) + *is_unicode = 0; + + /* hex-specified UCS2 */ + if ((strncmp(s, "U+", 2) == 0) && + (strspn(s + 2, "0123456789abcdefABCDEF") == ls - 2)) { + sscanf(s + 2, "%x", &i); + if (is_unicode) + *is_unicode = 1; + } + + /* hex-specified byte */ + else if ((ls <= 4) && (strncmp(s, "0x", 2) == 0) && + (strspn(s + 2, "0123456789abcdefABCDEF") == ls - 2)) + sscanf(s + 2, "%x", &i); + + /* oct-specified number (byte) */ + else if ((*s == '0') && (strspn(s, "01234567") == ls)) + sscanf(s, "%o", &i); + + /* dec-specified number (byte) */ + else if (strspn(s, "0123456789") == ls) + sscanf(s, "%d", &i); + + /* single-byte quoted char */ + else if ((strlen(s) == 3) && (s[0] == '\'') && (s[2] == '\'')) + i = s[1]; + + /* multi-byte UTF8 quoted char */ + else if ((s[0] == '\'') && (s[ls - 1] == '\'')) { + s[ls - 1] = 0; /* ensure we'll not "parse UTF too far" */ + i = utf8_to_ucs2(s + 1); + if (is_unicode) + *is_unicode = 1; + } else + return (-1); + + return (i); } -void saveoldmap(int fd, char *omfil) +void saveoldmap(int fd, char *omfil) { - FILE *fp; - char buf[E_TABSZ]; + FILE *fp; + char buf[E_TABSZ]; + #ifdef GIO_UNISCRNMAP - unicode xbuf[E_TABSZ]; - int is_old_map = 0; + unicode xbuf[E_TABSZ]; + int is_old_map = 0; - if (ioctl(fd,GIO_UNISCRNMAP,xbuf)) - { - perror("GIO_UNISCRNMAP ioctl error"); + if (ioctl(fd, GIO_UNISCRNMAP, xbuf)) { + perror("GIO_UNISCRNMAP ioctl error"); #endif - if (ioctl(fd,GIO_SCRNMAP,buf)) - { - perror("GIO_SCRNMAP ioctl error"); - exit(1); - } - else - is_old_map = 1; + if (ioctl(fd, GIO_SCRNMAP, buf)) { + perror("GIO_SCRNMAP ioctl error"); + exit(1); + } else + is_old_map = 1; #ifdef GIO_UNISCRNMAP - } + } #endif - - if ((fp = fopen(omfil, "w")) == NULL) - { - perror(omfil); - exit(1); - } + if ((fp = fopen(omfil, "w")) == NULL) { + perror(omfil); + exit(1); + } #ifdef GIO_UNISCRNMAP - if (is_old_map) - { + 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("Error writing map to file"); + exit(1); + } #ifdef GIO_UNISCRNMAP - } - else - if (fwrite(xbuf, sizeof(unicode) * E_TABSZ,1,fp) != 1) - { - perror("Error writing map to file"); - exit(1); + } else if (fwrite(xbuf, sizeof(unicode) * E_TABSZ, 1, fp) != 1) { + perror("Error writing map to file"); + exit(1); } #endif - - fclose(fp); + + fclose(fp); } -unicode utf8_to_ucs2 (char* buf) +unicode utf8_to_ucs2(char *buf) { - int utf_count = 0; - long utf_char; - unicode tc; - unsigned char c; - - do - { - c = *buf; - buf++; - - /* if byte should be part of multi-byte sequence */ - if(c & 0x80) - { - /* if we have already started to parse a UTF8 sequence */ - if (utf_count > 0 && (c & 0xc0) == 0x80) - { - utf_char = (utf_char << 6) | (c & 0x3f); - utf_count--; - if (utf_count == 0) - tc = utf_char; - else - continue; - } - else /* Possibly 1st char of a UTF8 sequence */ - { - if ((c & 0xe0) == 0xc0) - { - utf_count = 1; - utf_char = (c & 0x1f); - } - else if ((c & 0xf0) == 0xe0) - { - utf_count = 2; - utf_char = (c & 0x0f); - } - else if ((c & 0xf8) == 0xf0) - { - utf_count = 3; - utf_char = (c & 0x07); - } - else if ((c & 0xfc) == 0xf8) - { - utf_count = 4; - utf_char = (c & 0x03); - } - else if ((c & 0xfe) == 0xfc) - { - utf_count = 5; - utf_char = (c & 0x01); - } - else - utf_count = 0; - continue; - } - } - else /* not part of multi-byte sequence - treat as ASCII - * this makes incomplete sequences to be ignored - */ - { - tc = c; - utf_count = 0; - } - } - while (utf_count); - - return tc; -} + int utf_count = 0; + long utf_char; + unicode tc; + unsigned char c; + + do { + c = *buf; + buf++; + + /* if byte should be part of multi-byte sequence */ + if (c & 0x80) { + /* if we have already started to parse a UTF8 sequence */ + if (utf_count > 0 && (c & 0xc0) == 0x80) { + utf_char = (utf_char << 6) | (c & 0x3f); + utf_count--; + if (utf_count == 0) + tc = utf_char; + else + continue; + } else { /* Possibly 1st char of a UTF8 sequence */ + + if ((c & 0xe0) == 0xc0) { + utf_count = 1; + utf_char = (c & 0x1f); + } else if ((c & 0xf0) == 0xe0) { + utf_count = 2; + utf_char = (c & 0x0f); + } else if ((c & 0xf8) == 0xf0) { + utf_count = 3; + utf_char = (c & 0x07); + } else if ((c & 0xfc) == 0xf8) { + utf_count = 4; + utf_char = (c & 0x03); + } else if ((c & 0xfe) == 0xfc) { + utf_count = 5; + utf_char = (c & 0x01); + } else + utf_count = 0; + continue; + } + } else { /* not part of multi-byte sequence - treat as ASCII + * this makes incomplete sequences to be ignored + */ + tc = c; + utf_count = 0; + } + } + while (utf_count); + return tc; +} diff --git a/console-tools/loadfont.c b/console-tools/loadfont.c index e44525d9c..64b725610 100644 --- a/console-tools/loadfont.c +++ b/console-tools/loadfont.c @@ -1,3 +1,4 @@ +/* vi: set sw=4 ts=4: */ /* * loadfont.c - Eugene Crosser & Andries Brouwer * @@ -30,72 +31,69 @@ #define PSF_SEPARATOR 0xFFFF static const char loadfont_usage[] = "loadfont\n" -"\n" -"\tLoad a console font from standard input.\n" -"\n"; + "\n" "\tLoad a console font from standard input.\n" "\n"; -struct psf_header -{ - unsigned char magic1, magic2; /* Magic number */ - unsigned char mode; /* PSF font mode */ - unsigned char charsize; /* Character size */ +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) +extern int loadfont_main(int argc, char **argv) { int fd; fd = open("/dev/tty0", O_RDWR); if (fd < 0) { - fprintf(stderr, "Error opening /dev/tty0: %s\n", strerror(errno)); - return 1; + fprintf(stderr, "Error opening /dev/tty0: %s\n", strerror(errno)); + return 1; } loadnewfont(fd); return 0; } -static void -do_loadfont(int fd, char *inbuf, int unit, int fontsize) { +static void do_loadfont(int fd, char *inbuf, int unit, int fontsize) +{ char buf[16384]; int i; - memset(buf,0,sizeof(buf)); + memset(buf, 0, sizeof(buf)); if (unit < 1 || unit > 32) { - fprintf(stderr, "Bad character size %d\n", unit); - exit(1); + fprintf(stderr, "Bad character size %d\n", unit); + exit(1); } for (i = 0; i < fontsize; i++) - memcpy(buf+(32*i), inbuf+(unit*i), unit); + memcpy(buf + (32 * i), inbuf + (unit * i), unit); #if defined( PIO_FONTX ) && !defined( __sparc__ ) { - struct consolefontdesc cfd; + struct consolefontdesc cfd; - cfd.charcount = fontsize; - cfd.charheight = unit; - cfd.chardata = buf; + cfd.charcount = fontsize; + cfd.charheight = unit; + cfd.chardata = buf; - if (ioctl(fd, PIO_FONTX, &cfd) == 0) - return; /* success */ - perror("PIO_FONTX ioctl error (trying PIO_FONT)"); + if (ioctl(fd, PIO_FONTX, &cfd) == 0) + return; /* success */ + perror("PIO_FONTX ioctl error (trying PIO_FONT)"); } #endif if (ioctl(fd, PIO_FONT, buf)) { - perror("PIO_FONT ioctl error"); - exit(1); + perror("PIO_FONT ioctl error"); + exit(1); } } static void -do_loadtable(int fd, unsigned char *inbuf, int tailsz, int fontsize) { +do_loadtable(int fd, unsigned char *inbuf, int tailsz, int fontsize) +{ struct unimapinit advice; struct unimapdesc ud; struct unipair *up; @@ -103,23 +101,24 @@ do_loadtable(int fd, unsigned char *inbuf, int tailsz, int fontsize) { int glyph; u_short unicode; - maxct = tailsz; /* more than enough */ + maxct = tailsz; /* more than enough */ up = (struct unipair *) malloc(maxct * sizeof(struct unipair)); + if (!up) { - fprintf(stderr, "Out of memory?\n"); - exit(1); + fprintf(stderr, "Out of memory?\n"); + exit(1); } 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++; - } + 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 @@ -128,33 +127,33 @@ do_loadtable(int fd, unsigned char *inbuf, int tailsz, int fontsize) { advice.advised_hashsize = 0; advice.advised_hashstep = 0; advice.advised_hashlevel = 0; - if(ioctl(fd, PIO_UNIMAPCLR, &advice)) { + if (ioctl(fd, PIO_UNIMAPCLR, &advice)) { #ifdef ENOIOCTLCMD - if (errno == ENOIOCTLCMD) { - fprintf(stderr, "It seems this kernel is older than 1.1.92\n"); - fprintf(stderr, "No Unicode mapping table loaded.\n"); - } else + if (errno == ENOIOCTLCMD) { + fprintf(stderr, "It seems this kernel is older than 1.1.92\n"); + fprintf(stderr, "No Unicode mapping table loaded.\n"); + } else #endif - perror("PIO_UNIMAPCLR"); - exit(1); + perror("PIO_UNIMAPCLR"); + exit(1); } ud.entry_ct = ct; ud.entries = up; - if(ioctl(fd, PIO_UNIMAP, &ud)) { + if (ioctl(fd, PIO_UNIMAP, &ud)) { #if 0 - if (errno == ENOMEM) { - /* change advice parameters */ - } + if (errno == ENOMEM) { + /* change advice parameters */ + } #endif - perror("PIO_UNIMAP"); - exit(1); + perror("PIO_UNIMAP"); + exit(1); } } -static void -loadnewfont(int fd) { +static void loadnewfont(int fd) +{ int unit; - char inbuf[32768]; /* primitive */ + char inbuf[32768]; /* primitive */ int inputlth, offset; /* @@ -178,57 +177,58 @@ loadnewfont(int fd) { /* test for psf first */ { - struct psf_header psfhdr; - int fontsize; - int hastable; - int head0, head; + struct psf_header psfhdr; + int fontsize; + int hastable; + int head0, head; - if (inputlth < sizeof(struct psf_header)) - goto no_psf; + if (inputlth < sizeof(struct psf_header)) + goto no_psf; - psfhdr = * (struct psf_header *) &inbuf[0]; + psfhdr = *(struct psf_header *) &inbuf[0]; - if (!PSF_MAGIC_OK(psfhdr)) - goto no_psf; + if (!PSF_MAGIC_OK(psfhdr)) + goto no_psf; - if (psfhdr.mode > PSF_MAXMODE) { - fprintf(stderr, "Unsupported psf file mode\n"); - exit(1); - } - fontsize = ((psfhdr.mode & PSF_MODE512) ? 512 : 256); + if (psfhdr.mode > PSF_MAXMODE) { + fprintf(stderr, "Unsupported psf file mode\n"); + exit(1); + } + fontsize = ((psfhdr.mode & PSF_MODE512) ? 512 : 256); #if !defined( PIO_FONTX ) || defined( __sparc__ ) - if (fontsize != 256) { - fprintf(stderr, "Only fontsize 256 supported\n"); - exit(1); - } + if (fontsize != 256) { + fprintf(stderr, "Only fontsize 256 supported\n"); + exit(1); + } #endif - hastable = (psfhdr.mode & PSF_MODEHASTAB); - unit = psfhdr.charsize; - head0 = sizeof(struct psf_header); - head = head0 + fontsize*unit; - if (head > inputlth || (!hastable && head != inputlth)) { - fprintf(stderr, "Input file: bad length\n"); - exit(1); - } - do_loadfont(fd, inbuf + head0, unit, fontsize); - if (hastable) - do_loadtable(fd, inbuf + head, inputlth-head, fontsize); - return; + hastable = (psfhdr.mode & PSF_MODEHASTAB); + unit = psfhdr.charsize; + head0 = sizeof(struct psf_header); + + head = head0 + fontsize * unit; + if (head > inputlth || (!hastable && head != inputlth)) { + fprintf(stderr, "Input file: bad length\n"); + exit(1); + } + do_loadfont(fd, inbuf + head0, unit, fontsize); + if (hastable) + do_loadtable(fd, inbuf + head, inputlth - head, fontsize); + return; } - no_psf: + no_psf: /* file with three code pages? */ if (inputlth == 9780) { - offset = 40; - unit = 16; + offset = 40; + unit = 16; } else { - /* bare font */ - if (inputlth & 0377) { - fprintf(stderr, "Bad input file size\n"); - exit(1); - } - offset = 0; - unit = inputlth/256; + /* bare font */ + if (inputlth & 0377) { + fprintf(stderr, "Bad input file size\n"); + exit(1); + } + offset = 0; + unit = inputlth / 256; } - do_loadfont(fd, inbuf+offset, unit, 256); + do_loadfont(fd, inbuf + offset, unit, 256); } diff --git a/console-tools/loadkmap.c b/console-tools/loadkmap.c index a228ca460..aa4f6bbc8 100644 --- a/console-tools/loadkmap.c +++ b/console-tools/loadkmap.c @@ -1,3 +1,4 @@ +/* vi: set sw=4 ts=4: */ /* * Mini loadkmap implementation for busybox * @@ -29,61 +30,63 @@ static const char loadkmap_usage[] = "loadkmap\n" -"\n" -"\tLoad a binary keyboard translation table from standard input.\n" -"\n"; + "\n" + "\tLoad a binary keyboard translation table from standard input.\n" + "\n"; -int -loadkmap_main(int argc, char * * argv) -{ - struct kbentry ke; - u_short *ibuff; - int i,j,fd,readsz,pos,ibuffsz=NR_KEYS * sizeof(u_short); - char flags[MAX_NR_KEYMAPS],magic[]="bkeymap",buff[7]; - fd = open("/dev/tty0", O_RDWR); - if (fd < 0) { - fprintf(stderr, "Error opening /dev/tty0: %s\n", strerror(errno)); - return 1; - } +int loadkmap_main(int argc, char **argv) +{ + struct kbentry ke; + u_short *ibuff; + int i, j, fd, readsz, pos, ibuffsz = NR_KEYS * sizeof(u_short); + char flags[MAX_NR_KEYMAPS], magic[] = "bkeymap", buff[7]; - read(0,buff,7); - if (0 != strncmp(buff,magic,7)) { - fprintf(stderr, "This is not a valid binary keymap.\n"); - return 1; - } - - if ( MAX_NR_KEYMAPS != read(0,flags,MAX_NR_KEYMAPS) ) { - fprintf(stderr, "Error reading keymap flags: %s\n", strerror(errno)); - return 1; - } + fd = open("/dev/tty0", O_RDWR); + if (fd < 0) { + fprintf(stderr, "Error opening /dev/tty0: %s\n", strerror(errno)); + return 1; + } + + read(0, buff, 7); + if (0 != strncmp(buff, magic, 7)) { + fprintf(stderr, "This is not a valid binary keymap.\n"); + return 1; + } - ibuff=(u_short *) malloc(ibuffsz); - if (!ibuff) { - fprintf(stderr, "Out of memory.\n"); - return 1; - } + if (MAX_NR_KEYMAPS != read(0, flags, MAX_NR_KEYMAPS)) { + fprintf(stderr, "Error reading keymap flags: %s\n", + strerror(errno)); + return 1; + } + + ibuff = (u_short *) malloc(ibuffsz); + if (!ibuff) { + fprintf(stderr, "Out of memory.\n"); + return 1; + } - for(i=0; i<MAX_NR_KEYMAPS; i++) { - if (flags[i]==1){ - pos=0; - while (pos < ibuffsz) { - if ( (readsz = read(0,(char *)ibuff+pos,ibuffsz-pos)) < 0 ) { - fprintf(stderr, "Error reading keymap: %s\n", - strerror(errno)); - return 1; - } - pos += readsz; - } - for(j=0; j<NR_KEYS; j++) { - ke.kb_index = j; - ke.kb_table = i; - ke.kb_value = ibuff[j]; - ioctl(fd, KDSKBENT, &ke); - } + for (i = 0; i < MAX_NR_KEYMAPS; i++) { + if (flags[i] == 1) { + pos = 0; + while (pos < ibuffsz) { + if ((readsz = read(0, (char *) ibuff + pos, ibuffsz - pos)) + < 0) { + fprintf(stderr, "Error reading keymap: %s\n", + strerror(errno)); + return 1; + } + pos += readsz; + } + for (j = 0; j < NR_KEYS; j++) { + ke.kb_index = j; + ke.kb_table = i; + ke.kb_value = ibuff[j]; + ioctl(fd, KDSKBENT, &ke); + } + } } - } - close (fd); - return 0; + close(fd); + return 0; } |