auto-str.c

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#include <unistd.h>
#include "buffer.h"
#include "exit.h"
 
char inbuf[BUFFER_SMALL];
buffer b = BUFFER_INIT(write,1,inbuf,sizeof(inbuf));
 
void out(char *s)
{
  if (buffer_puts(&b,s) == -1) _exit(111);
}
 
int main(int argc, char * const *argv)
{
  char *name;
  char *value;
  unsigned char ch;
  char octal[4];
 
  name = argv[1];
  if (!name) _exit(100);
  value = argv[2];
  if (!value) _exit(100);
 
  out("char ");
  out(name);
  out("[] = \"\\\n");
 
  while ((ch = *value++)) {
    out("\\");
    octal[3] = 0;
    octal[2] = '0' + (ch & 7); ch >>= 3;
    octal[1] = '0' + (ch & 7); ch >>= 3;
    octal[0] = '0' + (ch & 7);
    out(octal);
  }
 
  out("\\\n\";\n");
  if (buffer_flush(&b) == -1) _exit(111);
  _exit(0);
}