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#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#ifndef PATHNAME_SEPARATOR
# define PATHNAME_SEPARATOR '/'
#endif
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <string.h>
#include <errno.h>
int is_static = 1;
int is_const = 1;
static void *
fmalloc(int size)
{
void *p = malloc(size);
if (!p) {
fputs("giftoc: Out of memory!\n", stderr);
exit(1);
}
return p;
}
void
print_reckless(FILE *f, char *gifrecname)
{
unsigned long size = 0;
int c;
int lasthex = 0;
printf("\n%sGifRecord %s = { (unsigned char *)\"",
is_static ? "static " : "", gifrecname);
size = 0;
c = getc(f);
while (c != EOF) {
if (size % 60 == 0) printf("\"\n \"");
switch (c) {
case '\\':
fputs("\\\\", stdout);
lasthex = 0;
break;
case '\"':
fputs("\\\"", stdout);
lasthex = 0;
break;
case '\b':
fputs("\\b", stdout);
lasthex = 0;
break;
case '\r':
fputs("\\r", stdout);
lasthex = 0;
break;
case '\n':
fputs("\\n", stdout);
lasthex = 0;
break;
case '\f':
fputs("\\f", stdout);
lasthex = 0;
break;
case '\t':
fputs("\\t", stdout);
lasthex = 0;
break;
case '0': case '1': case '2': case '3': case '4': case '5': case '6':
case '7':
if (lasthex)
printf("\\%o", c);
else
putchar(c);
break;
default:
if (isprint(c)) {
putchar(c);
lasthex = 0;
} else {
printf("\\%o", c);
lasthex = 1;
}
break;
}
size++;
c = getc(f);
}
printf("\",\n %lu\n};\n", size);
}
void
print_unreckless(FILE *f, char *gifrecname)
{
unsigned long size = 0;
int c;
printf("\nstatic %sunsigned char %s_data[] = {",
(is_const ? "const " : ""), gifrecname);
size = 0;
c = getc(f);
while (c != EOF) {
if (size % 20 == 0) printf("\n");
printf("%d,", c);
size++;
c = getc(f);
}
printf("};\n%s%sGif_Record %s = { %s_data, %lu };\n",
(is_static ? "static " : ""),
(is_const ? "const " : ""),
gifrecname, gifrecname, size);
}
int
main(int argc, char **argv)
{
int reckless = 0;
int make_name = 0;
const char *directory = "";
argc--, argv++;
while (argv[0] && argv[0][0] == '-') {
if (!strcmp(argv[0], "-reckless"))
reckless = 1, argc--, argv++;
else if (!strcmp(argv[0], "-static"))
is_static = 1, argc--, argv++;
else if (!strcmp(argv[0], "-extern"))
is_static = 0, argc--, argv++;
else if (!strcmp(argv[0], "-makename"))
make_name = 1, argc--, argv++;
else if (!strcmp(argv[0], "-nonconst"))
is_const = 0, argc--, argv++;
else if (!strcmp(argv[0], "-const"))
is_const = 1, argc--, argv++;
else if (!strcmp(argv[0], "-dir") && argc > 1) {
directory = argv[1], argc -= 2, argv += 2;
/* make sure directory is slash-terminated */
if (directory[ strlen(directory) - 1 ] != PATHNAME_SEPARATOR
&& directory[0]) {
char *ndirectory = (char *)fmalloc(strlen(directory) + 2);
sprintf(ndirectory, "%s%c", directory, PATHNAME_SEPARATOR);
directory = ndirectory;
}
} else
break;
}
if ((!make_name && argc % 2 != 0)
|| argc < 1
|| (argv[0] && argv[0][0] == '-')) {
fprintf(stderr, "\
usage: giftoc [OPTIONS] FILE NAME [FILE NAME...]\n\
or: giftoc -makename [OPTIONS] FILE [FILE...]\n\
OPTIONS are -reckless, -extern, -nonconst, -dir DIR\n");
exit(1);
}
if (!is_static)
printf("#include \"config.h\"\n#include \"gif.h\"\n\n");
for (; argc > 0; argc--, argv++) {
FILE *f;
char *rec_name = 0;
char *file_name = (char *)fmalloc(strlen(argv[0]) + strlen(directory) + 1);
strcpy(file_name, directory);
strcat(file_name, argv[0]);
f = fopen(file_name, "rb");
if (!f) {
fprintf(stderr, "%s: %s\n", file_name, strerror(errno));
goto done;
}
if (make_name) {
char *sin, *sout;
sin = strrchr(file_name, PATHNAME_SEPARATOR) + 1;
if (!sin) sin = file_name;
sout = rec_name = (char *)fmalloc(strlen(sin) + 2);
if (isdigit(*sin)) *sout++ = 'N';
for (; *sin; sin++, sout++)
if (isalnum(*sin))
*sout = *sin;
else
*sout = '_';
*sout = 0;
} else {
argv++, argc--;
rec_name = argv[0];
}
if (reckless) print_reckless(f, rec_name);
else print_unreckless(f, rec_name);
done:
if (make_name)
free(rec_name);
free(file_name);
fclose(f);
}
exit(0);
}
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