Clean up tests

tests/stdlib/alloc.c

@@ -0,0 +1,28 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main(int argc, char ** argv) {
+    char * ptr = (char *)malloc(256);
+    printf("malloc %p\n", ptr);
+    int i;
+    for(i = 0; i < 256; i++) {
+        ptr[i] = (char)i;
+    }
+    free(ptr);
+
+    char * ptrc = (char *)calloc(256, 1);
+    printf("calloc %p\n", ptrc);
+    for(i = 0; i < 256; i++) {
+        ptrc[i] = (char)i;
+    }
+    free(ptrc);
+
+    char * ptra = (char *)memalign(256, 256);
+    printf("memalign %p\n", ptra);
+    for(i = 0; i < 256; i++) {
+        ptra[i] = (char)i;
+    }
+    free(ptra);
+
+    return 0;
+}

tests/stdlib/atof.c

@@ -0,0 +1,8 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+int main(int argc, char* argv[]) {
+    double d = atof("-3.14");
+    printf("%f\n", d);
+    return 0;
+}

tests/stdlib/atoi.c

@@ -0,0 +1,12 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+int main(int argc, char* argv[]) {
+    printf("%d\n", atoi("         -42"));
+    printf("%d\n", atoi(" +555"));
+    printf("%d\n", atoi("   1234567890    "));
+    printf("%ld\n", atol("         -42"));
+    printf("%ld\n", atol(" +555"));
+    printf("%ld\n", atol("   1234567890    "));
+    return 0;
+}

tests/stdlib/env.c

@@ -0,0 +1,11 @@
+#include <stdio.h>
+#include <stdlib.h>
+
+int main() {
+    //puts(getenv("SHELL"));
+    //puts(getenv("CC"));
+
+    putenv("TEST=It's working!!");
+
+    puts(getenv("TEST"));
+}

tests/stdlib/mkostemps.c

@@ -0,0 +1,27 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+int main(int argc, char** argv) {
+    char* file_name = (char*) calloc(18, sizeof(char));
+    strcpy(file_name, "tempXXXXXX.suffix");
+    int fd = mkostemps(file_name, 7, 0);
+    FILE* fp = fdopen(fd, "w+");
+    printf("Start unchanged: %d\n", strncmp(file_name, "temp", 4));
+    printf("End unchanged: %d\n", strcmp(file_name + 4 + 6, ".suffix"));
+
+    char* write = "Writing to file";
+    fputs(write, fp);
+
+    char buffer[sizeof write];
+    memset(buffer, 0, sizeof buffer);
+    fgets(buffer, strlen(buffer), fp);
+    if (strcmp(write, buffer)) {
+        printf("Read & Write Successful\n");
+    } else {
+        printf("Read & Write Failed\n");
+    }
+    fclose(fp);
+    remove(file_name);
+    return 0;
+}

tests/stdlib/system.c

@@ -0,0 +1,6 @@
+#include <stdlib.h>
+
+int main(int argc, char ** argv) {
+    system("echo test of system");
+    return 0;
+}