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/*
* Intermediate program to convert iconx.hdr into a header file for inclusion
* in icont. This eliminates a compile-time file search on Unix systems.
* Definition of BinaryHeader activates the inclusion.
*/
#include "../h/gsupport.h"
void putbyte(FILE *fout, int b);
int main(int argc, char *argv[])
{
static const char Usage[] = "Usage %s [Filename]\n";
int b, n;
char *ifile = NULL;
char *ofile = NULL;
FILE *fin, *fout;
n = 1;
if (((n + 1) < argc) && !strcmp(argv[n], "-o")) {
ofile = argv[++n];
++n;
}
if (n < argc)
ifile = argv[n++];
if (ifile == NULL)
fin = stdin;
else if ((fin = fopen(ifile, "rb")) == NULL) {
fprintf(stderr, "Cannot open \"%s\" for input\n\n", ifile);
fprintf(stderr, Usage, argv[0]);
return EXIT_FAILURE;
}
if (ofile == NULL)
fout = stdout;
else if ((fout = fopen(ofile, "w")) == NULL) {
fprintf(stderr, "Cannot open \"%s\" for output\n\n", ofile);
fprintf(stderr, Usage, argv[0]);
return EXIT_FAILURE;
}
/*
* Create an array large enough to hold iconx.hdr (+1 for luck)
* This array shall be included by link.c (and is nominally called
* hdr.h)
*/
fprintf(fout, "static unsigned char iconxhdr[MaxHdr+1] = {\n");
/*
* Recreate iconx.hdr as a series of hex constants, padded with zero bytes.
*/
for (n = 0; (b = getc(fin)) != EOF; n++)
putbyte(fout, b);
/*
* If header is to be used, make sure it fits.
*/
#ifdef BinaryHeader
if (n > MaxHdr) {
fprintf(stderr, "%s: file size is %d bytes but MaxHdr is only %d\n",
argv[0], n, MaxHdr);
if (ofile != NULL) {
fclose(fout);
unlink(ofile);
}
return EXIT_FAILURE;
}
#endif /* BinaryHeader */
while (n++ < MaxHdr)
putbyte(fout, 0);
fprintf(fout,"0x00};\n"); /* one more, sans comma, and finish */
return EXIT_SUCCESS;
}
/*
* putbyte(b) - output byte b as two hex digits
*/
void putbyte(FILE *fout, int b)
{
static int n = 0;
fprintf(fout, "0x%02x,", b & 0xFF);
if (++n == 16) {
fprintf(fout, "\n");
n = 0;
}
}
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