commit 8230d59262ba83dec80393202eb39d74fba932b3
parent 2824f37bf18e52e0f565437e4303f6d97c787915
Author: Plat <plat@stellar-nexus.ru>
Date: Sat, 18 Oct 2025 20:16:49 +0000
Added neccessary libs
Diffstat:
7 files changed, 196 insertions(+), 6 deletions(-)
diff --git a/arg.h b/arg.h
@@ -0,0 +1,55 @@
+/*
+ * Copy me if you can.
+ * by 20h
+ */
+
+#ifndef __ARG_H__
+#define __ARG_H__
+
+extern char *argv0;
+
+#define USED(x) ((void)(x))
+
+/* use main(int argc, char *argv[]) */
+#define ARGBEGIN for (argv0 = *argv, argv++, argc--;\
+ argv[0] && argv[0][1]\
+ && argv[0][0] == '-';\
+ argc--, argv++) {\
+ char _argc;\
+ char **_argv;\
+ int brk;\
+ if (argv[0][1] == '-' && argv[0][2] == '\0') {\
+ argv++;\
+ argc--;\
+ break;\
+ }\
+ for (brk = 0, argv[0]++, _argv = argv;\
+ argv[0][0] && !brk;\
+ argv[0]++) {\
+ if (_argv != argv)\
+ break;\
+ _argc = argv[0][0];\
+ switch (_argc)
+
+#define ARGEND }\
+ USED(_argc);\
+ }\
+ USED(argv);\
+ USED(argc);
+
+#define ARGC() _argc
+
+#define EARGF(x) ((argv[0][1] == '\0' && argv[1] == NULL)?\
+ ((x), abort(), (char *)0) :\
+ (brk = 1, (argv[0][1] != '\0')?\
+ (&argv[0][1]) :\
+ (argc--, argv++, argv[0])))
+
+#define ARGF() ((argv[0][1] == '\0' && argv[1] == NULL)?\
+ (char *)0 :\
+ (brk = 1, (argv[0][1] != '\0')?\
+ (&argv[0][1]) :\
+ (argc--, argv++, argv[0])))
+
+#endif
+
diff --git a/1.docx b/docs/1.docx
Binary files differ.
diff --git a/help.txt b/help.txt
@@ -1,10 +1,10 @@
#include <iostream>
-#define MAX(A, B) ((A) > (B) ? (A) : (B))
-#define MIN(A, B) ((A) < (B) ? (A) : (B))
-#define BETWEEN(X, A, B) ((A) <= (X) && (X) <= (B))
-#define LENGTH(X) (sizeof(X) / sizeof(X)[0])
+#define MAX(A, B) ((A) > (B) ? (A) : (B))
+#define MIN(A, B) ((A) < (B) ? (A) : (B))
+#define BETWEEN(X, A, B) ((A) <= (X) && (X) <= (B))
+#define LENGTH(X) (sizeof(X) / sizeof(X)[0])
class BinaryTree {
@@ -39,4 +39,4 @@ public:
int main() {
-}
-\ No newline at end of file
+}
diff --git a/libutil/ealloc.c b/libutil/ealloc.c
@@ -0,0 +1,46 @@
+#include <stdlib.h>
+#include <string.h>
+
+#include "../util.h"
+
+void *
+ecalloc(size_t nmemb, size_t size)
+{
+ void *p;
+
+ p = calloc(nmemb, size);
+ if (!p)
+ eprintf("calloc: out of memory\n");
+ return p;
+}
+
+void *
+emalloc(size_t size)
+{
+ void *p;
+
+ p = malloc(size);
+ if (!p)
+ eprintf("malloc: out of memory\n");
+ return p;
+}
+
+void *
+erealloc(void *p, size_t size)
+{
+ p = realloc(p, size);
+ if (!p)
+ eprintf("realloc: out of memory\n");
+ return p;
+}
+
+char *
+estrdup(const char *s)
+{
+ char *p;
+
+ p = strdup(s);
+ if (!p)
+ eprintf("strdup: out of memory\n");
+ return p;
+}
diff --git a/libutil/eprintf.c b/libutil/eprintf.c
@@ -0,0 +1,64 @@
+#include <stdarg.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "../util.h"
+
+char *argv0;
+
+static void venprintf(int, const char *, va_list);
+
+void
+eprintf(const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ venprintf(1, fmt, ap);
+ va_end(ap);
+}
+
+void
+enprintf(int status, const char *fmt, ...)
+{
+ va_list ap;
+
+ va_start(ap, fmt);
+ venprintf(status, fmt, ap);
+ va_end(ap);
+}
+
+void
+venprintf(int status, const char *fmt, va_list ap)
+{
+ if (strncmp(fmt, "usage", strlen("usage")))
+ fprintf(stderr, "%s: ", argv0);
+
+ vfprintf(stderr, fmt, ap);
+
+ if (fmt[0] && fmt[strlen(fmt)-1] == ':') {
+ fputc(' ', stderr);
+ perror(NULL);
+ }
+
+ exit(status);
+}
+
+void
+weprintf(const char *fmt, ...)
+{
+ va_list ap;
+
+ if (strncmp(fmt, "usage", strlen("usage")))
+ fprintf(stderr, "%s: ", argv0);
+
+ va_start(ap, fmt);
+ vfprintf(stderr, fmt, ap);
+ va_end(ap);
+
+ if (fmt[0] && fmt[strlen(fmt)-1] == ':') {
+ fputc(' ', stderr);
+ perror(NULL);
+ }
+}
diff --git a/libutil/tree.h b/libutil/tree.h
@@ -0,0 +1,4 @@
+typedef struct Node {
+ int val;
+ struct Node *left, *right;
+} Node;
diff --git a/util.h b/util.h
@@ -0,0 +1,22 @@
+#include "arg.h"
+
+#undef MIN
+#define MIN(x,y) ((x) < (y) ? (x) : (y))
+#undef MAX
+#define MAX(x,y) ((x) > (y) ? (x) : (y))
+
+#define LEN(x) (sizeof (x) / sizeof *(x))
+
+/* eprintf.c */
+extern char *argv0;
+
+/* ealloc.c */
+void *ecalloc(size_t, size_t);
+void *emalloc(size_t size);
+void *erealloc(void *, size_t);
+char *estrdup(const char *);
+
+/* eprintf.c */
+void enprintf(int, const char *, ...);
+void eprintf(const char *, ...);
+void weprintf(const char *, ...);
