Add experimental v4d3 C arrays

vade/src/v4d3/fs.h

@@ -0,0 +1,21 @@
+#ifndef MINIGREP_FS_H
+#define MINIGREP_FS_H
+
+#include <malloc.h>
+#include <stdio.h>
+
+const char *fs_read_to_string(char **_result, const char *path) {
+    FILE *in = fopen(path, "rt");
+    if (!in) {
+        return "No such file or directory (os error 2)";
+    }
+    fseek(in, 0, SEEK_END);
+    long size = ftell(in);
+    rewind(in);
+    *_result = malloc(size);
+    fread(*_result, size, 1, in);
+    fclose(in);
+    return 0;
+}
+
+#endif/*MINIGREP_FS_H*/

vade/src/v4d3/minigrep.h

@@ -0,0 +1,12 @@
+#ifndef MINIGREP_H
+#define MINIGREP_H
+
+typedef struct {
+    char *query;
+    char *file_path;
+} minigrep_config_t;
+
+extern const char *minigrep_config_build(minigrep_config_t *config, int argc, char *argv[]);
+extern const char *minigrep_run(minigrep_config_t *config);
+
+#endif/*MINIGREP_H*/

vade/src/v4d3/os_compat.h

@@ -0,0 +1,32 @@
+#ifndef OS_COMPAT_H
+#define OS_COMPAT_H
+
+#ifdef WIN32
+#include <string.h>
+void *reallocarray(void *ptr, size_t nmemb, size_t size) {
+    return realloc(ptr, nmemb * size);
+}
+char *strchrnul(const char *s, int c) {
+    char *ret = strchr(s, c);
+    if (!ret) {
+        ret = (char *)s + strlen(s);
+    }
+    return ret;
+}
+char *strndup(const char s[], size_t n) {
+    size_t len = 0;
+    for (size_t i = 0; i < n; i++) {
+        if (!s[i]) {
+            break;
+        }
+        len++;
+    }
+    char *res = calloc(len + 1, 1);
+    for (size_t i = 0; i < len; i++) {
+        res[i] = s[i];
+    }
+    return res;
+}
+#endif
+
+#endif/*OS_COMPAT_H*/