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/*****************************************************************************
* Backup Copy *
* Programmed by: Kevin Lindsay *
* Copyright (c) 1998 NetNation Communications Inc *
* ***************************************************************************/
#include <string.h>
#include <stdlib.h>
/* Changes all oldstring to newstring in a variable */
char *
repasubstr(char *oldstr, char *newstr, char *line)
{
char *newline;
int osnum = 0;
char *ptr1;
char *ptr2;
int i;
ptr1 = line;
while ((ptr1 = (char *)strstr(ptr1,oldstr)) != NULL) {
ptr1 += strlen(oldstr);
osnum++;
}
if (osnum > 0) {
newline = (char *) malloc((strlen(line)-(strlen(oldstr)*osnum))+(strlen(newstr)*osnum)+5);
newline[0] = '\0';
ptr1 = line;
for (i = 0; i < osnum; i++) {
ptr2 = (char *)strstr(ptr1,oldstr);
strncat(newline,ptr1,ptr2-ptr1);
strcat(newline,newstr);
ptr1 = ptr2+strlen(oldstr);
}
ptr2 = line+strlen(line);
strncat(newline,ptr1,ptr2-ptr1);
free(line);
return(newline);
} else {
return(line);
}
}
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