kopia lustrzana https://gitlab.com/sane-project/backends
68 wiersze
1.7 KiB
C
68 wiersze
1.7 KiB
C
/* Load an ICC profile for embedding in an output file
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Copyright (C) 2017 Aaron Muir Hamilton <aaron@correspondwith.me>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "../include/sane/config.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <sys/stat.h>
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void *
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sanei_load_icc_profile (const char *path, size_t *size)
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{
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FILE *fd = NULL;
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size_t stated_size = 0;
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void *profile = NULL;
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struct stat s;
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fd = fopen(path, "r");
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if (!fd)
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{
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fprintf(stderr, "Could not open ICC profile %s\n", path);
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}
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else
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{
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fstat(fileno(fd), &s);
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stated_size = 16777216 * fgetc(fd) + 65536 * fgetc(fd) + 256 * fgetc(fd) + fgetc(fd);
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rewind(fd);
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if (stated_size > (size_t) s.st_size)
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{
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fprintf(stderr, "Ignoring ICC profile because file %s is shorter than the profile\n", path);
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}
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else
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{
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profile = malloc(stated_size);
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if (fread(profile, stated_size, 1, fd) != 1)
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{
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fprintf(stderr, "Error reading ICC profile %s\n", path);
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free(profile);
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}
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else
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{
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fclose(fd);
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*size = stated_size;
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return profile;
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}
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}
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fclose(fd);
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}
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return NULL;
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}
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