From b6b7a01987dca604a161c8c73a240ec4430baed0 Mon Sep 17 00:00:00 2001
From: Mosder <xmosder12@gmail.com>
Date: Fri, 21 Aug 2026 11:50:51 +0200
Subject: refactor: renamed mem/alloc.h to safe.h and made it be a collection
 of "safe" wrappers for "unsafe" functions

---
 src/ds/array.c  |  2 +-
 src/mem/alloc.c | 45 ---------------------------------------------
 src/safe.c      | 42 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 43 insertions(+), 46 deletions(-)
 delete mode 100644 src/mem/alloc.c
 create mode 100644 src/safe.c

(limited to 'src')

diff --git a/src/ds/array.c b/src/ds/array.c
index cdaf152..2b28a21 100644
--- a/src/ds/array.c
+++ b/src/ds/array.c
@@ -5,7 +5,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-#include "moslib/mem/alloc.h"
+#include "moslib/safe.h"
 
 MosArrHeader *arr2hdr(void *arr) {
     return (MosArrHeader *)arr - 1;
diff --git a/src/mem/alloc.c b/src/mem/alloc.c
deleted file mode 100644
index 60da131..0000000
--- a/src/mem/alloc.c
+++ /dev/null
@@ -1,45 +0,0 @@
-#define MOS_FORCE_PREFIXES
-#include "moslib/mem/alloc.h"
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-#define ERR_MESS(fl, ln, fn, msg) "%s:%d - error in function %s:\n%s\n", fl, ln, fn, msg
-
-void *mos_safe_malloc_fn(size_t size, size_t att, const char *file, int line, const char *func) {
-    for (size_t i = 0; i < att; i++) {
-        void *p = malloc(size);
-        if (p)
-            return p;
-        if (i < att - 1) {
-            fprintf(stderr, ERR_MESS(file, line, func, "malloc failed - retrying in 1s..."));
-            sleep(1);
-        }
-    }
-
-    char errmes[64];
-    sprintf(errmes, "FATAL: malloc failed %zu times - exiting...", att);
-    fprintf(stderr, ERR_MESS(file, line, func, errmes));
-    exit(EXIT_FAILURE);
-}
-
-void *mos_safe_realloc_fn(void *ptr, size_t size, size_t att, const char *file, int line, const char *func) {
-    if (!ptr)
-        return mos_safe_malloc_fn(size, att, file, line, func);
-
-    for (size_t i = 0; i < att; i++) {
-        void *p = realloc(ptr, size);
-        if (p)
-            return p;
-        if (i < att - 1) {
-            fprintf(stderr, ERR_MESS(file, line, func, "realloc failed - retrying in 1s..."));
-            sleep(1);
-        }
-    }
-
-    char errmes[64];
-    sprintf(errmes, "FATAL: realloc failed %zu times - exiting...", att);
-    fprintf(stderr, ERR_MESS(file, line, func, errmes));
-    exit(EXIT_FAILURE);
-}
diff --git a/src/safe.c b/src/safe.c
new file mode 100644
index 0000000..7c7627e
--- /dev/null
+++ b/src/safe.c
@@ -0,0 +1,42 @@
+#define MOS_FORCE_PREFIXES
+#include "moslib/safe.h"
+
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#define ERR_MESS(msg, ...) err_mess(info, msg, __VA_ARGS__)
+
+void err_mess(MosSafeErrInfo info, const char *msg, ...) {
+    va_list args;
+    va_start(args, msg);
+    fprintf(stderr, "%s:%d - fatal error in function %s:\n", info.file, info.line, info.func);
+    vfprintf(stderr, msg, args);
+    fprintf(stderr, "\n");
+    va_end(args);
+}
+
+void *mos_safe_malloc_fn(size_t size, MosSafeErrInfo info) {
+    void *p = malloc(size);
+    if (p)
+        return p;
+    ERR_MESS("failed to malloc %zu bytes", size);
+    exit(EXIT_FAILURE);
+}
+
+void *mos_safe_calloc_fn(size_t count, size_t size, MosSafeErrInfo info) {
+    void *p = calloc(count, size);
+    if (p)
+        return p;
+    ERR_MESS("failed to calloc %zu items of %zu size", count, size);
+    exit(EXIT_FAILURE);
+}
+
+void *mos_safe_realloc_fn(void *ptr, size_t size, MosSafeErrInfo info) {
+    void *p = realloc(ptr, size);
+    if (p)
+        return p;
+    ERR_MESS("failed to realloc %p to %zu bytes", ptr, size);
+    exit(EXIT_FAILURE);
+}
-- 
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