more strsep fix

1 files changed, 3 insertions, 3 deletions

diff --git a/src/pnmcurve.c b/src/pnmcurve.c
index 24a0098..6199ffe 100644
--- a/src/pnmcurve.c
+++ b/src/pnmcurve.c
@@ -147,13 +147,13 @@ static table_t*
 buildCurve(const char *ctrl_points, int resolution, int maxval) {
 	table_t *table;
 	char *buf = strdup(ctrl_points);
-	char *pstr = buf;
+	char *pstr, *p = buf;
 	int i, n = 0;
 	double X[MAX_CTRL], Y[MAX_CTRL];
 	gsl_interp_accel *acc;
 	gsl_spline *spline;
 
-	while (pstr = strsep(&pstr, ",")) {
+	while (pstr = strsep(&p, ",")) {
 		if (n >= MAX_CTRL) {
 			fprintf(stderr, "maximum number of control points (%d) reached.\n",
 				MAX_CTRL);
@@ -161,7 +161,7 @@ buildCurve(const char *ctrl_points, int resolution, int maxval) {
 		}
 
 		if (sscanf(pstr, "%lf:%lf", &X[n], &Y[n]) != 2 ||
-			X[n] < 0.0 || X[n] > 1.0 || Y[n] < 0.0 || Y[n] > 1.0 ||
+			X[n] < 0 || X[n] > 1 || Y[n] < 0 || Y[n] > 1 ||
 			(n > 0 && X[n] <= X[n - 1])) {
 			fprintf(stderr, "could not parse control point %s.\n", pstr);
 			free(buf);