Add OutOfMemory log helper

Add a special LOG_OOM() function to log all OutOfMemory errors (i.e.
allocations returning NULL).

app/src/util/file.c

@@ -31,7 +31,7 @@ sc_file_get_local_path(const char *name) {
     size_t len = dirlen + namelen + 2; // +2: '/' and '\0'
     char *file_path = malloc(len);
     if (!file_path) {
-        LOGE("Could not alloc path");
+        LOG_OOM();
         free(executable_path);
         return NULL;
     }

app/src/util/intr.c

@@ -8,7 +8,7 @@ bool
 sc_intr_init(struct sc_intr *intr) {
     bool ok = sc_mutex_init(&intr->mutex);
     if (!ok) {
-        LOGE("Could not init intr mutex");
+        LOG_OOM();
         return false;
     }
 

app/src/util/log.h

@@ -7,6 +7,9 @@
 
 #include "options.h"
 
+#define LOG_STR_IMPL_(x) # x
+#define LOG_STR(x) LOG_STR_IMPL_(x)
+
 #define LOGV(...) SDL_LogVerbose(SDL_LOG_CATEGORY_APPLICATION, __VA_ARGS__)
 #define LOGD(...) SDL_LogDebug(SDL_LOG_CATEGORY_APPLICATION, __VA_ARGS__)
 #define LOGI(...) SDL_LogInfo(SDL_LOG_CATEGORY_APPLICATION, __VA_ARGS__)
@@ -14,6 +17,9 @@
 #define LOGE(...) SDL_LogError(SDL_LOG_CATEGORY_APPLICATION, __VA_ARGS__)
 #define LOGC(...) SDL_LogCritical(SDL_LOG_CATEGORY_APPLICATION, __VA_ARGS__)
 
+#define LOG_OOM() \
+    LOGC("OOM: %s:%d %s()", __FILE__, __LINE__, __func__)
+
 void
 sc_set_log_level(enum sc_log_level level);
 

app/src/util/net.c

@@ -52,6 +52,7 @@ wrap(sc_raw_socket sock) {
 
     struct sc_socket_windows *socket = malloc(sizeof(*socket));
     if (!socket) {
+        LOG_OOM();
         closesocket(sock);
         return SC_SOCKET_NONE;
     }

app/src/util/str.c

@@ -5,13 +5,15 @@
 #include <limits.h>
 #include <stdlib.h>
 #include <string.h>
-#include "util/strbuf.h"
 
 #ifdef _WIN32
 # include <windows.h>
 # include <tchar.h>
 #endif
 
+#include "log.h"
+#include "strbuf.h"
+
 size_t
 sc_strncpy(char *dest, const char *src, size_t n) {
     size_t i;
@@ -51,6 +53,7 @@ sc_str_quote(const char *src) {
     size_t len = strlen(src);
     char *quoted = malloc(len + 3);
     if (!quoted) {
+        LOG_OOM();
         return NULL;
     }
     memcpy(&quoted[1], src, len);
@@ -188,6 +191,7 @@ sc_str_to_wchars(const char *utf8) {
 
     wchar_t *wide = malloc(len * sizeof(wchar_t));
     if (!wide) {
+        LOG_OOM();
         return NULL;
     }
 
@@ -204,6 +208,7 @@ sc_str_from_wchars(const wchar_t *ws) {
 
     char *utf8 = malloc(len);
     if (!utf8) {
+        LOG_OOM();
         return NULL;
     }
 

app/src/util/strbuf.c

@@ -1,15 +1,17 @@
 #include "strbuf.h"
 
 #include <assert.h>
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
-#include <stdio.h>
+#include "log.h"
 
 bool
 sc_strbuf_init(struct sc_strbuf *buf, size_t init_cap) {
     buf->s = malloc(init_cap + 1); // +1 for '\0'
     if (!buf->s) {
+        LOG_OOM();
         return false;
     }
 
@@ -25,6 +27,7 @@ sc_strbuf_reserve(struct sc_strbuf *buf, size_t len) {
         char *s = realloc(buf->s, new_cap + 1); // +1 for '\0'
         if (!s) {
             // Leave the old buf->s
+            LOG_OOM();
             return false;
         }
         buf->s = s;

app/src/util/thread.c

@@ -10,6 +10,7 @@ sc_thread_create(sc_thread *thread, sc_thread_fn fn, const char *name,
                  void *userdata) {
     SDL_Thread *sdl_thread = SDL_CreateThread(fn, name, userdata);
     if (!sdl_thread) {
+        LOG_OOM();
         return false;
     }
 
@@ -26,6 +27,7 @@ bool
 sc_mutex_init(sc_mutex *mutex) {
     SDL_mutex *sdl_mutex = SDL_CreateMutex();
     if (!sdl_mutex) {
+        LOG_OOM();
         return false;
     }
 
@@ -94,6 +96,7 @@ bool
 sc_cond_init(sc_cond *cond) {
     SDL_cond *sdl_cond = SDL_CreateCond();
     if (!sdl_cond) {
+        LOG_OOM();
         return false;
     }