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- /* cmdline.c: routines to help in parsing command lines.
-
- Copyright (C) 1992 Free Software Foundation, Inc.
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2, or (at your option)
- any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #include "config.h"
-
- #include "cmdline.h"
-
-
- /* This routine takes a string L consisting of unsigned integers
- separated by commas and returns a vector of the integers, as numbers.
- A element is appended to the vector. */
-
- int *
- scan_unsigned_list (string l)
- {
- string map;
- unsigned length = 1;
- int *vector = xmalloc (sizeof (int));
-
- for (map = strtok (l, ","); map != NULL; map = strtok (NULL, ","))
- {
- length++;
- vector = xrealloc (vector, length * sizeof (int));
- vector[length - 2] = atou (map);
- if (vector[length - 2] < 0)
- WARNING1 ("Unsigned number %u is too large", vector[length - 2]);
- }
-
- vector[length - 1] = -1;
- return vector;
- }
-
-
- /* Return the <number> substring in `<name>.<number><stuff>', if S has
- that form. If it doesn't, return NULL. */
-
- string
- find_dpi (string s)
- {
- unsigned dpi_number;
- string extension = strrchr (s, '.');
-
- if (extension != NULL)
- if (sscanf (extension + 1, "%u", &dpi_number) == 1)
- return utoa (dpi_number);
-
- return NULL;
- }
-