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/* inststr.c ... stolen from bdupdate.c, which stole it from perl 4.
* Theft by C. Scott Ananian <cananian@alumni.princeton.edu>
*
* $Id: inststr.c,v 1.1.1.1 2002/07/25 06:52:39 honor Exp $
*/
#include <string.h>
void
inststr(int argc, char **argv, char **environ, char *src)
{
if (strlen(src) <= strlen(argv[0]))
{
char *ptr;
for (ptr = argv[0]; *ptr; *(ptr++) = '\0');
strcpy(argv[0], src);
} else
{
/* stolen from the source to perl 4.036 (assigning to $0) */
char *ptr, *ptr2;
int count;
ptr = argv[0] + strlen(argv[0]);
for (count = 1; count < argc; count++) {
if (argv[count] == ptr + 1) {
int fwd = strlen(++ptr);
ptr += fwd;
}
}
if (environ[0] == ptr + 1) {
for (count = 0; environ[count]; count++)
if (environ[count] == ptr + 1) {
int fwd = strlen(++ptr);
ptr += fwd;
}
}
count = 0;
for (ptr2 = argv[0]; ptr2 <= ptr; ptr2++) {
*ptr2 = '\0';
count++;
}
strncpy(argv[0], src, count);
}
}
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