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/* $Id$ */
#include <string.h>
#include <glib.h>
#include <glib-util.h>
char*
g_substrdup(const char *s, int start, int len)
{
int s_len, abs_start, abs_len;
char *newstring;
s_len = strlen(s);
if (start < 0) {
abs_start = s_len + start;
if (abs_start < 0) {
return NULL;
}
}
else {
abs_start = start;
}
if (len < 0) {
abs_len = s_len + len + 1 - abs_start;
if (abs_len < 0) {
return NULL;
}
}
else {
abs_len = len;
}
if (abs_start + abs_len > s_len) {
return NULL;
}
newstring = g_strndup(s + abs_start, abs_len + 1);
newstring[abs_len] = 0;
return newstring;
}
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