diff options
Diffstat (limited to 'c/build-tools/src/cklength.c')
| -rw-r--r-- | c/build-tools/src/cklength.c | 364 |
1 files changed, 0 insertions, 364 deletions
diff --git a/c/build-tools/src/cklength.c b/c/build-tools/src/cklength.c deleted file mode 100644 index 48801e1559..0000000000 --- a/c/build-tools/src/cklength.c +++ /dev/null @@ -1,364 +0,0 @@ -/* - * cklength - check the length of lines in a file - * - * This program check to see if the files passed to it on the command line - * contain a line which exceeds the maximum allowable length. The default - * maximum line length is 80. - * - * usage: cklength [ -v ] [ arg ... ] files... - * -l length -- maximum line length - * -v -- verbose - * - * $Id$ - * $Log$ - */ - -#define GETOPTARGS "l:nNv" - -char *USAGE = "\ -usage: cklength [ -v ] [ arg ... ] files... \n\ - -l length -- maximum line length\n\ - -n -- report line numbers for offending lines\n\ - -N -- report line numbers and length for offending lines\n\ - -v -- verbose\n\ -\n\ -Print the name of files which have at least 1 line which exceeds the\n\ -maximum line length. The default maximum line length is 80.\n\ -"; - -#include <stdio.h> -#include <fcntl.h> -#include <ctype.h> -#include <stdlib.h> -#include <unistd.h> -#include <string.h> -#include <memory.h> -#include <stdarg.h> - -#define BUFFER_SIZE 512 - -#define SUCCESS 0 -#define FAILURE -1 -#define Failed(x) (((int) (x)) == FAILURE) -#define TRUE 1 -#define FALSE 0 -#define STREQ(a,b) (strcmp(a,b) == 0) -#define NUMELEMS(arr) (sizeof(arr) / sizeof(arr[0])) - -/* - * Definitions for unsigned "ints"; especially for use in data structures - * that will be shared among (potentially) different cpu's (we punt on - * byte ordering problems tho) - */ - -typedef unsigned char u8; -typedef unsigned short u16; -typedef unsigned long u32; - -/* - * vars controlled by command line options - */ - -int verbose = FALSE; /* be verbose */ -int report_line_numbers = FALSE; /* report line numbers of offenders */ -int report_line_length = FALSE; /* report line length of offenders */ - -int line_length = 80; /* maximum allowable line length */ - -extern char *optarg; /* getopt(3) control vars */ -extern int optind, opterr; -extern int errno; - -char *progname; /* for error() */ - -int process(char *arg); -void error(int errn, ...); -long getparm(char *s, long min, long max, char *msg); - -#define ERR_ERRNO (1<<((sizeof(int) * 8) - 2)) /* hi bit; use 'errno' */ -#define ERR_FATAL (ERR_ERRNO / 2) /* fatal error ; no return */ -#define ERR_ABORT (ERR_ERRNO / 4) /* fatal error ; abort */ -#define ERR_MASK (ERR_ERRNO | ERR_FATAL | ERR_ABORT) /* all */ - -#define stol(p) strtol(p, (char **) NULL, 0) -int Open(), Read(), Write(); - -int -main(int argc, char **argv, char **env) -{ - register int c; - int showusage = FALSE; /* usage error? */ - int rc = 0; - - /* - * figure out invocation leaf-name - */ - - if ((progname = strrchr(argv[0], '/')) == (char *) NULL) - progname = argv[0]; - else - progname++; - - argv[0] = progname; /* for getopt err reporting */ - - /* - * Check options and arguments. - */ - - opterr = 0; /* we'll report all errors */ - while ((c = getopt(argc, argv, GETOPTARGS)) != EOF) - switch (c) - { - case 'l': /* line length */ - line_length = atoi( optarg ); - if ( line_length < 0 || line_length > BUFFER_SIZE ) - error(ERR_FATAL, "(%d) is illegal line length\n",line_length); - break; - - case 'n': /* toggle report_line_numbers */ - report_line_numbers = ! report_line_numbers; - break; - - case 'N': /* toggle both reports */ - report_line_numbers = ! report_line_numbers; - report_line_length = ! report_line_length; - break; - - case 'v': /* toggle verbose */ - verbose = ! verbose; - break; - - case '?': - showusage = TRUE; - } - - if (showusage) - { - (void) fprintf(stderr, "%s", USAGE); - exit(1); - } - - /* - * traverse and process the arguments - */ - - for ( ; argv[optind]; optind++) - if (Failed(process(argv[optind]))) - rc = FAILURE; - - return rc; -} - - -/* - * process(arg) - */ - -int -process(char *arg) -{ - FILE *in; - char *bptr; - char buffer[ BUFFER_SIZE ]; - int line_number; - int length; - int count; - int rc = SUCCESS; /* succeed by default */ - - in = fopen( arg, "r" ); - if (!in) - error( ERR_ERRNO | ERR_FATAL, "Unable to open file (%s)\n", arg ); - - count = 0; - - for ( line_number=1 ; ; line_number++ ) { - bptr = fgets( buffer, BUFFER_SIZE, in ); - if (!bptr) - break; - - /* - * Don't count the carriage return. - */ - - length = strlen( buffer ) - 1; - - if ( length <= line_length ) - continue; - - if ( count == 0 ) { - fprintf( stderr, "%s\n", arg ); - if ( !report_line_numbers ) - break; - } - - if ( verbose ) - fprintf( stderr, "TOO LONG:%d: %s\n", line_number, buffer ); - - if ( report_line_numbers ) { - if ( report_line_length ) - fprintf( stderr, "%d: %d\n" , line_number, length ); - else - fprintf( stderr, "%d\n" , line_number ); - } - - count++; - - } - - fclose( in ); - return rc; -} - -/* - * error(errn, arglist) - * report an error to stderr using printf(3) conventions. - * Any output is preceded by '<progname>: ' - * - * Uses ERR_FATAL bit to request exit(errn) - * ERR_ABORT to request abort() - * ERR_ERRNO to indicate use of errno instead of argument. - * - * If resulting 'errn' is non-zero, it is assumed to be an 'errno' and its - * associated error message is appended to the output. - */ - -/*VARARGS*/ - -void -error(int error_flag, ...) -{ - va_list arglist; - register char *format; - extern char *sys_errlist[]; - extern int sys_nerr; - int local_errno; - - extern int errno; - - (void) fflush(stdout); /* in case stdout/stderr same */ - - local_errno = error_flag & ~ERR_MASK; - if (error_flag & ERR_ERRNO) /* use errno? */ - local_errno = errno; - - va_start(arglist, error_flag); - format = va_arg(arglist, char *); - (void) fprintf(stderr, "%s: ", progname); - (void) vfprintf(stderr, format, arglist); - va_end(arglist); - - if (local_errno) - if ((local_errno > 0) && (local_errno < sys_nerr)) - (void) fprintf(stderr, " (%s)\n", sys_errlist[local_errno]); - else - (void) fprintf(stderr, " (unknown errno=%d)\n", local_errno); - else - (void) fprintf(stderr, "\n"); - - (void) fflush(stderr); - - if (error_flag & (ERR_FATAL | ERR_ABORT)) - { - if (error_flag & ERR_FATAL) - { - error(0, local_errno ? "fatal error, exiting" : "exiting"); - exit(local_errno); - } - else - { - error(0, "fatal error, aborting"); - abort(); - } - } -} - -long -getparm(char *s, - long min, - long max, - char *msg) -{ - long val; - - if ( ! strchr("0123456789-", *s)) - { - error(ERR_FATAL, "'%s' is not a number", s); - return min; - } - - val = strtol(s, (char **) NULL, 0); - if ((val < min) || (val > max)) - { - if (min == max) - error(ERR_FATAL, "%s can only be %ld", s, min); - else - error(ERR_FATAL, "%s must be between %ld and %ld", msg, min, max); - } - - return val; -} - - -/* - * Open() - * Perform open(2), returning the file descriptor. Prints - * error message if open fails. - */ - -int -Open(char *file, - int oflag, - int mode) -{ - int O_fd; - - if (Failed(O_fd = open(file, oflag, mode))) - error( - ERR_ERRNO | ERR_FATAL, - "open('%s', 0x%x, 0%o) failed", file, oflag, mode - ); - - return O_fd; -} - -/* - * Read() - * Perform read(2); prints error message if fails. - */ - -int -Read(int file, - char *buffer, - unsigned int count) -{ - int nbytes; - - if (Failed(nbytes = read(file, buffer, count))) - error( - ERR_ERRNO | ERR_FATAL, - "read(%d, 0x%x, %d) failed", file, buffer, count - ); - - return nbytes; -} - -/* - * Write() - * Perform write(2); prints error message if fails. - */ - -int -Write(int file, - char *buffer, - unsigned int count) -{ - int nbytes; - - if (Failed(nbytes = write(file, buffer, count))) - error( - ERR_ERRNO | ERR_FATAL, - "write(%d, 0x%x, %d) failed", file, buffer, count - ); - - return nbytes; -} |