#include <Xm/Text.h>
#include <curl/curl.h>
-struct MemoryStruct {
+struct memstruct {
char *memory;
size_t size;
};
+int
+memfail(void)
+{
+ printf("ERROR: Out of memory\n");
+ exit(4);
+}
+
+
static size_t
memback(void *contents, size_t size, size_t nmemb, void *userp)
{
size_t realsize = size * nmemb;
- struct MemoryStruct *mem = (struct MemoryStruct *)userp;
+ struct memstruct *mem = (struct memstruct *)userp;
char *ptr = realloc(mem->memory, mem->size + realsize + 1);
- if(!ptr) {
- /* out of memory! */
- printf("not enough memory (realloc returned NULL)\n");
- return 0;
- }
+ if (!ptr) memfail();
mem->memory = ptr;
memcpy(&(mem->memory[mem->size]), contents, realsize);
exit(1);
}
- struct MemoryStruct chunk;
- chunk.memory = malloc(1); // will be grown as needed by the realloc above
- chunk.size = 0; // no data at this point
+ struct memstruct chunk;
+ chunk.memory = malloc(1); // Grown as needed by the realloc in memback()
+ chunk.size = 0; // No data yet
curl_easy_setopt(curl, CURLOPT_URL,
"https://nobilis.nobles.edu/skyworld/castlemenu.php");
// Parse HTML
printf("INFO: Parsing HTML\n");
bool intag = false;
- char *outp = (char *) malloc(strlen(chunk.memory) + 1); // TODO: Realloc?
- strcpy(outp, "");
+ char *outp = (char *) calloc(1, sizeof(char));
+ if (!outp) memfail();
// Extract text from between HTML tags
- for (int i = 345; i < strlen(chunk.memory); i++) {
+ int j = 1;
+ for (int i = 345; (size_t)i < strlen(chunk.memory); i++) {
char c = chunk.memory[i];
if (c == '<') intag = true;
- if (!intag) strncat(outp, &c, 1);
+ if (!intag) {
+ j++;
+ outp = (char *) realloc(outp, j);
+ if (!outp) memfail();
+ strncat(outp, &c, 1);
+ }
if (c == '>') intag = false;
}
// Strip empty newlines
- char *nl = (char *) malloc(strlen(outp));
- strncpy(nl, "\0", 1);
- for (int i = 0; i < strlen(outp) - 1; i++) {
+ char *nl = (char *) calloc(1, sizeof(char));
+ if (!nl) memfail();
+
+ for (int i = 0; (size_t)i < strlen(outp) - 1; i++) {
if (outp[i] == '\n' && outp[i+1] == '\n') i+=4;
+ nl = (char *) realloc(nl, i);
+ if (!nl) memfail();
strncat(nl, &outp[i], 1);
}
// Initialize motif
- Widget toplevel;
- XtAppContext app;
- Widget text_w;
- Arg args[4];
+ Widget toplevel;
+ XtAppContext app;
+ Widget text_w;
+ Arg args[4];
- XtSetLanguageProc (NULL, NULL, NULL);
+ XtSetLanguageProc(NULL, NULL, NULL);
toplevel = XtVaOpenApplication (&app, "Castle Menu", NULL, 0, &argc, argv,
NULL, sessionShellWidgetClass, NULL);