tarrays.c: check return from memory allocations and exit on errors - granular -… | |
git clone git://src.adamsgaard.dk/granular | |
Log | |
Files | |
Refs | |
README | |
LICENSE | |
--- | |
commit 1c5cb83233d982f7110258f1ef54fdc422c70cff | |
parent 2411376bd4ea88e2184dce638984407b56208f9a | |
Author: Anders Damsgaard <[email protected]> | |
Date: Thu, 18 Mar 2021 14:37:38 +0100 | |
arrays.c: check return from memory allocations and exit on errors | |
Diffstat: | |
M arrays.c | 19 +++++++++++++------ | |
1 file changed, 13 insertions(+), 6 deletions(-) | |
--- | |
diff --git a/arrays.c b/arrays.c | |
t@@ -1,6 +1,7 @@ | |
#include <stdlib.h> | |
#include <stdio.h> | |
#include <math.h> | |
+#include <err.h> | |
#define DEG2RAD(x) (x*M_PI/180.0) | |
t@@ -72,7 +73,8 @@ linspace(const double lower, const double upper, const int n) | |
double dx; | |
check_magnitude(__func__, 1, n); | |
- x = malloc(n * sizeof(double)); | |
+ if (!(x = calloc(n, sizeof(double)))) | |
+ err(1, "%s: x calloc", __func__); | |
dx = (upper - lower) / (double) (n - 1); | |
for (i = 0; i < n; ++i) | |
x[i] = lower + dx * i; | |
t@@ -88,7 +90,8 @@ spacing(const double *x, const int n) | |
double *dx; | |
check_magnitude(__func__, 2, n); | |
- dx = malloc((n - 1) * sizeof(double)); | |
+ if (!(dx = calloc((n - 1), sizeof(double)))) | |
+ err(1, "%s: dx calloc", __func__); | |
for (i = 0; i < n - 1; ++i) | |
dx[i] = x[i + 1] - x[i]; | |
t@@ -103,7 +106,8 @@ zeros(const int n) | |
double *x; | |
check_magnitude(__func__, 1, n); | |
- x = malloc(n * sizeof(double)); | |
+ if (!(x = malloc(n * sizeof(double)))) | |
+ err(1, "%s: x calloc", __func__); | |
for (i = 0; i < n; ++i) | |
x[i] = 0.0; | |
t@@ -118,7 +122,8 @@ ones(const int n) | |
double *x; | |
check_magnitude(__func__, 1, n); | |
- x = malloc(n * sizeof(double)); | |
+ if (!(x = calloc(n, sizeof(double)))) | |
+ err(1, "%s: x calloc", __func__); | |
for (i = 0; i < n; ++i) | |
x[i] = 1.0; | |
t@@ -133,7 +138,8 @@ initval(const double value, const int n) | |
double *x; | |
check_magnitude(__func__, 1, n); | |
- x = malloc(n * sizeof(double)); | |
+ if (!(x = calloc(n, sizeof(double)))) | |
+ err(1, "%s: x calloc", __func__); | |
for (i = 0; i < n; ++i) | |
x[i] = value; | |
t@@ -278,7 +284,8 @@ normalize(const double *in, const int n) | |
double *out; | |
check_magnitude(__func__, 1, n); | |
- out = malloc(n * sizeof(double)); | |
+ if (!(out = calloc(n, sizeof(double)))) | |
+ err(1, "%s: out calloc", __func__); | |
copy_values(in, out, n); | |
max_val = max(out, n); | |