int full_write ();
int safe_read ();
-static int convint ();
-static int isdigits ();
-static int stdread ();
-static void line_bytes_split ();
-static void bytes_split ();
-static void cwrite ();
-static void lines_split ();
-static void next_file_name ();
-
/* The name this program was run with. */
char *program_name;
exit (status);
}
-void
-main (argc, argv)
- int argc;
- char *argv[];
-{
- struct stat stat_buf;
- int num; /* numeric argument from command line */
- enum
- {
- type_undef, type_bytes, type_byteslines, type_lines, type_digits
- } split_type = type_undef;
- int in_blk_size; /* optimal block size of input file device */
- char *buf; /* file i/o buffer */
- int accum = 0;
- char *outbase;
- int c;
- int digits_optind = 0;
-
- program_name = argv[0];
-
- /* Parse command line options. */
-
- infile = "-";
- outbase = "x";
-
- while (1)
- {
- /* This is the argv-index of the option we will read next. */
- int this_optind = optind ? optind : 1;
-
- c = getopt_long (argc, argv, "0123456789b:l:C:", longopts, (int *) 0);
- if (c == EOF)
- break;
-
- switch (c)
- {
- case 0:
- break;
-
- case 'b':
- if (split_type != type_undef)
- usage (2, _("cannot split in more than one way"));
- split_type = type_bytes;
- if (convint (optarg, &accum) == -1)
- usage (2, _("invalid number of bytes"));
- break;
-
- case 'l':
- if (split_type != type_undef)
- usage (2, _("cannot split in more than one way"));
- split_type = type_lines;
- if (!isdigits (optarg))
- usage (2, _("invalid number of lines"));
- accum = atoi (optarg);
- break;
-
- case 'C':
- if (split_type != type_undef)
- usage (2, _("cannot split in more than one way"));
- split_type = type_byteslines;
- if (convint (optarg, &accum) == -1)
- usage (2, _("invalid number of bytes"));
- break;
-
- case '0':
- case '1':
- case '2':
- case '3':
- case '4':
- case '5':
- case '6':
- case '7':
- case '8':
- case '9':
- if (split_type != type_undef && split_type != type_digits)
- usage (2, _("cannot split in more than one way"));
- if (digits_optind != 0 && digits_optind != this_optind)
- accum = 0; /* More than one number given; ignore other. */
- digits_optind = this_optind;
- split_type = type_digits;
- accum = accum * 10 + c - '0';
- break;
-
- default:
- usage (2, (char *)0);
- }
- }
-
- if (show_version)
- {
- printf ("split - %s\n", version_string);
- exit (0);
- }
-
- if (show_help)
- usage (0, (char *)0);
-
- /* Handle default case. */
- if (split_type == type_undef)
- {
- split_type = type_lines;
- accum = 1000;
- }
-
- if (accum < 1)
- usage (2, _("invalid number"));
- num = accum;
-
- /* Get out the filename arguments. */
-
- if (optind < argc)
- infile = argv[optind++];
-
- if (optind < argc)
- outbase = argv[optind++];
-
- if (optind < argc)
- usage (2, _("too many arguments"));
-
- /* Open the input file. */
- if (!strcmp (infile, "-"))
- input_desc = 0;
- else
- {
- input_desc = open (infile, O_RDONLY);
- if (input_desc < 0)
- error (1, errno, "%s", infile);
- }
-
- /* No output file is open now. */
- output_desc = -1;
-
- /* Copy the output file prefix so we can add suffixes to it.
- 26**29 is certainly enough output files! */
-
- outfile = xmalloc (strlen (outbase) + 30);
- strcpy (outfile, outbase);
- outfile_mid = outfile + strlen (outfile);
- outfile_end = outfile_mid + 2;
- memset (outfile_mid, 0, 30);
- outfile_mid[0] = 'a';
- outfile_mid[1] = 'a' - 1; /* first call to next_file_name makes it an 'a' */
-
- /* Get the optimal block size of input device and make a buffer. */
-
- if (fstat (input_desc, &stat_buf) < 0)
- error (1, errno, "%s", infile);
- in_blk_size = ST_BLKSIZE (stat_buf);
-
- buf = xmalloc (in_blk_size + 1);
-
- switch (split_type)
- {
- case type_digits:
- case type_lines:
- lines_split (num, buf, in_blk_size);
- break;
-
- case type_bytes:
- bytes_split (num, buf, in_blk_size);
- break;
-
- case type_byteslines:
- line_bytes_split (num);
- break;
-
- default:
- abort ();
- }
-
- if (close (input_desc) < 0)
- error (1, errno, "%s", infile);
- if (output_desc >= 0 && close (output_desc) < 0)
- error (1, errno, "%s", outfile);
-
- exit (0);
-}
-
/* Return nonzero if the string STR is composed entirely of decimal digits. */
static int
*val = atoi (str) * multiplier;
return 0;
}
-\f
+
+/* Compute the next sequential output file name suffix and store it
+ into the string `outfile' at the position pointed to by `outfile_mid'. */
+
+static void
+next_file_name ()
+{
+ int x;
+ char *ne;
+ unsigned int i;
+
+ static int first_call = 1;
+
+ /* Status for outfile name generation. */
+ static unsigned outfile_count = 0;
+ static unsigned outfile_name_limit = 25 * 26;
+ static unsigned outfile_name_generation = 1;
+
+ if (!first_call)
+ outfile_count++;
+ first_call = 0;
+ if (outfile_count < outfile_name_limit)
+ {
+ for (ne = outfile_end - 1; ; ne--)
+ {
+ x = *ne;
+ if (x != 'z')
+ break;
+ *ne = 'a';
+ }
+ *ne = x + 1;
+ return;
+ }
+
+ outfile_count = 0;
+ outfile_name_limit *= 26;
+ outfile_name_generation++;
+ *outfile_mid++ = 'z';
+ for (i = 0; i <= outfile_name_generation; i++)
+ outfile_mid[i] = 'a';
+ outfile_end += 2;
+}
+
+/* Write BYTES bytes at BP to an output file.
+ If NEW_FILE_FLAG is nonzero, open the next output file.
+ Otherwise add to the same output file already in use. */
+
+static void
+cwrite (new_file_flag, bp, bytes)
+ int new_file_flag;
+ char *bp;
+ int bytes;
+{
+ if (new_file_flag)
+ {
+ if (output_desc >= 0 && close (output_desc) < 0)
+ error (1, errno, "%s", outfile);
+
+ next_file_name ();
+ output_desc = open (outfile, O_WRONLY | O_CREAT | O_TRUNC, 0666);
+ if (output_desc < 0)
+ error (1, errno, "%s", outfile);
+ }
+ if (full_write (output_desc, bp, bytes) < 0)
+ error (1, errno, "%s", outfile);
+}
+
+/* Read NCHARS bytes from the input file into BUF.
+ Return the number of bytes successfully read.
+ If this is less than NCHARS, do not call `stdread' again. */
+
+static int
+stdread (buf, nchars)
+ char *buf;
+ int nchars;
+{
+ int n_read;
+ int to_be_read = nchars;
+
+ while (to_be_read)
+ {
+ n_read = safe_read (input_desc, buf, to_be_read);
+ if (n_read < 0)
+ return -1;
+ if (n_read == 0)
+ break;
+ to_be_read -= n_read;
+ buf += n_read;
+ }
+ return nchars - to_be_read;
+}
+
/* Split into pieces of exactly NCHARS bytes.
Use buffer BUF, whose size is BUFSIZE. */
}
while (n_read == bufsize);
}
-\f
+
/* Split into pieces of exactly NLINES lines.
Use buffer BUF, whose size is BUFSIZE. */
while (!eof);
free (buf);
}
-\f
-/* Write BYTES bytes at BP to an output file.
- If NEW_FILE_FLAG is nonzero, open the next output file.
- Otherwise add to the same output file already in use. */
-static void
-cwrite (new_file_flag, bp, bytes)
- int new_file_flag;
- char *bp;
- int bytes;
+void
+main (argc, argv)
+ int argc;
+ char *argv[];
{
- if (new_file_flag)
+ struct stat stat_buf;
+ int num; /* numeric argument from command line */
+ enum
{
- if (output_desc >= 0 && close (output_desc) < 0)
- error (1, errno, "%s", outfile);
+ type_undef, type_bytes, type_byteslines, type_lines, type_digits
+ } split_type = type_undef;
+ int in_blk_size; /* optimal block size of input file device */
+ char *buf; /* file i/o buffer */
+ int accum = 0;
+ char *outbase;
+ int c;
+ int digits_optind = 0;
- next_file_name ();
- output_desc = open (outfile, O_WRONLY | O_CREAT | O_TRUNC, 0666);
- if (output_desc < 0)
- error (1, errno, "%s", outfile);
- }
- if (full_write (output_desc, bp, bytes) < 0)
- error (1, errno, "%s", outfile);
-}
+ program_name = argv[0];
-/* Read NCHARS bytes from the input file into BUF.
- Return the number of bytes successfully read.
- If this is less than NCHARS, do not call `stdread' again. */
+ /* Parse command line options. */
-static int
-stdread (buf, nchars)
- char *buf;
- int nchars;
-{
- int n_read;
- int to_be_read = nchars;
+ infile = "-";
+ outbase = "x";
- while (to_be_read)
+ while (1)
{
- n_read = safe_read (input_desc, buf, to_be_read);
- if (n_read < 0)
- return -1;
- if (n_read == 0)
+ /* This is the argv-index of the option we will read next. */
+ int this_optind = optind ? optind : 1;
+
+ c = getopt_long (argc, argv, "0123456789b:l:C:", longopts, (int *) 0);
+ if (c == EOF)
break;
- to_be_read -= n_read;
- buf += n_read;
+
+ switch (c)
+ {
+ case 0:
+ break;
+
+ case 'b':
+ if (split_type != type_undef)
+ usage (2, _("cannot split in more than one way"));
+ split_type = type_bytes;
+ /* FIXME: use xstrtoul */
+ if (convint (optarg, &accum) == -1)
+ usage (2, _("invalid number of bytes"));
+ break;
+
+ case 'l':
+ if (split_type != type_undef)
+ usage (2, _("cannot split in more than one way"));
+ split_type = type_lines;
+ if (!isdigits (optarg))
+ usage (2, _("invalid number of lines"));
+ /* FIXME: use xstrtoul */
+ accum = atoi (optarg);
+ break;
+
+ case 'C':
+ if (split_type != type_undef)
+ usage (2, _("cannot split in more than one way"));
+ split_type = type_byteslines;
+ /* FIXME: use xstrtoul */
+ if (convint (optarg, &accum) == -1)
+ usage (2, _("invalid number of bytes"));
+ break;
+
+ case '0':
+ case '1':
+ case '2':
+ case '3':
+ case '4':
+ case '5':
+ case '6':
+ case '7':
+ case '8':
+ case '9':
+ if (split_type != type_undef && split_type != type_digits)
+ usage (2, _("cannot split in more than one way"));
+ if (digits_optind != 0 && digits_optind != this_optind)
+ accum = 0; /* More than one number given; ignore other. */
+ digits_optind = this_optind;
+ split_type = type_digits;
+ accum = accum * 10 + c - '0';
+ break;
+
+ default:
+ usage (2, (char *)0);
+ }
}
- return nchars - to_be_read;
-}
-/* Compute the next sequential output file name suffix and store it
- into the string `outfile' at the position pointed to by `outfile_mid'. */
+ if (show_version)
+ {
+ printf ("split - %s\n", version_string);
+ exit (0);
+ }
-static void
-next_file_name ()
-{
- int x;
- char *ne;
- unsigned int i;
+ if (show_help)
+ usage (0, (char *)0);
- static int first_call = 1;
+ /* Handle default case. */
+ if (split_type == type_undef)
+ {
+ split_type = type_lines;
+ accum = 1000;
+ }
- /* Status for outfile name generation. */
- static unsigned outfile_count = 0;
- static unsigned outfile_name_limit = 25 * 26;
- static unsigned outfile_name_generation = 1;
+ if (accum < 1)
+ usage (2, _("invalid number"));
+ num = accum;
- if (!first_call)
- outfile_count++;
- first_call = 0;
- if (outfile_count < outfile_name_limit)
+ /* Get out the filename arguments. */
+
+ if (optind < argc)
+ infile = argv[optind++];
+
+ if (optind < argc)
+ outbase = argv[optind++];
+
+ if (optind < argc)
+ usage (2, _("too many arguments"));
+
+ /* Open the input file. */
+ if (!strcmp (infile, "-"))
+ input_desc = 0;
+ else
{
- for (ne = outfile_end - 1; ; ne--)
- {
- x = *ne;
- if (x != 'z')
- break;
- *ne = 'a';
- }
- *ne = x + 1;
- return;
+ input_desc = open (infile, O_RDONLY);
+ if (input_desc < 0)
+ error (1, errno, "%s", infile);
}
- outfile_count = 0;
- outfile_name_limit *= 26;
- outfile_name_generation++;
- *outfile_mid++ = 'z';
- for (i = 0; i <= outfile_name_generation; i++)
- outfile_mid[i] = 'a';
- outfile_end += 2;
+ /* No output file is open now. */
+ output_desc = -1;
+
+ /* Copy the output file prefix so we can add suffixes to it.
+ 26**29 is certainly enough output files! */
+
+ outfile = xmalloc (strlen (outbase) + 30);
+ strcpy (outfile, outbase);
+ outfile_mid = outfile + strlen (outfile);
+ outfile_end = outfile_mid + 2;
+ memset (outfile_mid, 0, 30);
+ outfile_mid[0] = 'a';
+ outfile_mid[1] = 'a' - 1; /* first call to next_file_name makes it an 'a' */
+
+ /* Get the optimal block size of input device and make a buffer. */
+
+ if (fstat (input_desc, &stat_buf) < 0)
+ error (1, errno, "%s", infile);
+ in_blk_size = ST_BLKSIZE (stat_buf);
+
+ buf = xmalloc (in_blk_size + 1);
+
+ switch (split_type)
+ {
+ case type_digits:
+ case type_lines:
+ lines_split (num, buf, in_blk_size);
+ break;
+
+ case type_bytes:
+ bytes_split (num, buf, in_blk_size);
+ break;
+
+ case type_byteslines:
+ line_bytes_split (num);
+ break;
+
+ default:
+ abort ();
+ }
+
+ if (close (input_desc) < 0)
+ error (1, errno, "%s", infile);
+ if (output_desc >= 0 && close (output_desc) < 0)
+ error (1, errno, "%s", outfile);
+
+ exit (0);
}
projects / platform / upstream / coreutils.git / commitdiff