freeswitch/libs/tiff-3.8.2/contrib/mac-mpw/mactrans.c
Anthony Minessale e6e5fde3b0 fix auto-restart on disconnect
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@13134 d0543943-73ff-0310-b7d9-9358b9ac24b2
2009-04-23 15:54:47 +00:00

57 lines
957 B
C

/*
* mactrans.c -- Hack filter used to generate MPW files
* with special characters from pure ASCII, denoted "%nn"
* where nn is hex. (except for "%%", which is literal '%').
*
* calling sequence:
*
* catenate file | mactrans [-toascii | -fromascii] > output
*
* Written by: Niles Ritter.
*/
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
void to_ascii(void);
void from_ascii(void);
main(int argc, char *argv[])
{
if (argc<2 || argv[1][1]=='f') from_ascii();
else to_ascii();
exit (0);
}
void from_ascii(void)
{
char c;
int d;
while ((c=getchar())!=EOF)
{
if (c!='%' || (c=getchar())=='%') putchar(c);
else
{
ungetc(c,stdin);
scanf("%2x",&d);
*((unsigned char *)&c) = d;
putchar(c);
}
}
}
void to_ascii(void)
{
char c;
int d;
while ((c=getchar())!=EOF)
{
if (isascii(c)) putchar (c);
else
{
d = *((unsigned char *)&c);
printf("%%%2x",d);
}
}
}