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/*
# cmdline.c: routines to help in parsing command lines.
#
# Copyright (C) 1992, 2011 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 3 of the License, 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, see <http://www.gnu.org/licenses/>.
#
*/
#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;
}
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