add path_utils file

Makefile

@@ -50,6 +50,7 @@ objs = \
   src/parser.o \
   src/execute.o \
   src/config.o \
+  src/path_utils.o \
   src/huo.o
 
 all: huo

src/huo.c

@@ -15,86 +15,11 @@
 #include "execute.h"
 #include "store_defs.h"
 #include "base_util.h"
+#include "path_utils.h"
 #include "huo.h"
 #include "config.h"
 #include "core_functions.h"
 
-#if defined(_POSIX_VERSION) || defined(__linux__) || defined(__APPLE__)
-#include <libgen.h>
-char *get_exe_path(const char *called_name) {
-    char *path_to_exe = realpath(called_name, NULL);
-
-    if (path_to_exe == NULL) {
-        ERROR("Error getting real path: %d (%s)", errno, strerror(errno));
-    }
-
-    return path_to_exe;
-}
-
-char *get_path_dir(char *path) {
-    char *temp = dirname(path);
-    if (temp == NULL) {
-        ERROR("Error splitting directory: %s", path);
-    }
-    char *dup = o_strdup(temp); // dirname strings should not be freed
-    if (dup == NULL) {
-        ERROR("Malloc failure");
-    }
-    return dup;
-}
-
-char *path_merge(const char *dir, const char *rest) {
-    // Bleh
-    char *path = ARR_MALLOC(strlen(dir) + 1 + strlen(rest) + 1, char); // sizeof(char) is defined as 1, I know.
-    if (path == NULL) {
-        ERROR("Malloc failure");
-    }
-    path[0] = 0;
-    strcat(path, dir);
-    strcat(path, "/");
-    strcat(path, rest);
-    return path;
-}
-#elif  defined(_WIN16) || defined(_WIN32) || defined(_WIN64)
-// UNTESTED!!
-#include <Windows.h>
-
-char *get_exe_path(const char *called_name) {
-    char *buffer = malloc_or_die(MAX_PATH);
-    GetModuleFileName(NULL, buffer, MAX_PATH) ;
-
-    return buffer;
-}
-
-char *get_path_dir(char *path) {
-    // Bleh
-    char *temp = o_strdup(path);
-    size_t len = strlen(temp);
-    do {
-        temp[len] = 0;
-        if (len <= 1) {
-            ERROR("Could not find directory of %s", path);
-        }
-    } while (temp[--len] != '/');
-    temp[len] = 0;
-    return temp;
-}
-
-char *path_merge(const char *dir, const char *rest) {
-    char *path = ARR_MALLOC(strlen(dir) + 1 + strlen(rest) + 1, char);
-    if (path == NULL) {
-        ERROR("Malloc failure");
-    }
-    path[0] = 0;
-    strcat(path, dir);
-    strcat(path, "\\");
-    strcat(path, rest);
-    return path;
-}
-#else
-#error "Unknown system!"
-#endif
-
 int main(int argc, char const *argv[]) {
     bool help_flag = false;
     bool command_flag = false;

src/path_utils.c

@@ -0,0 +1,81 @@
+#include <string.h>
+#include <errno.h>
+#include <sys/param.h>
+#include "base_util.h"
+
+#if defined(_POSIX_VERSION) || defined(__linux__) || defined(__APPLE__)
+
+#include <libgen.h>
+char *get_exe_path(const char *called_name) {
+    char *path_to_exe = realpath(called_name, NULL);
+
+    if (path_to_exe == NULL) {
+        ERROR("Error getting real path: %d (%s)", errno, strerror(errno));
+    }
+
+    return path_to_exe;
+}
+
+char *get_path_dir(char *path) {
+    char *temp = dirname(path);
+    if (temp == NULL) {
+        ERROR("Error splitting directory: %s", path);
+    }
+    char *dup = o_strdup(temp); // dirname strings should not be freed
+    if (dup == NULL) {
+        ERROR("Malloc failure");
+    }
+    return dup;
+}
+
+char *path_merge(const char *dir, const char *rest) {
+    // Bleh
+    char *path = ARR_MALLOC(strlen(dir) + 1 + strlen(rest) + 1, char); // sizeof(char) is defined as 1, I know.
+    if (path == NULL) {
+        ERROR("Malloc failure");
+    }
+    path[0] = 0;
+    strcat(path, dir);
+    strcat(path, "/");
+    strcat(path, rest);
+    return path;
+}
+#elif  defined(_WIN16) || defined(_WIN32) || defined(_WIN64)
+// UNTESTED!!
+#include <Windows.h>
+
+char *get_exe_path(const char *called_name) {
+    char *buffer = malloc_or_die(MAX_PATH);
+    GetModuleFileName(NULL, buffer, MAX_PATH) ;
+
+    return buffer;
+}
+
+char *get_path_dir(char *path) {
+    // Bleh
+    char *temp = o_strdup(path);
+    size_t len = strlen(temp);
+    do {
+        temp[len] = 0;
+        if (len <= 1) {
+            ERROR("Could not find directory of %s", path);
+        }
+    } while (temp[--len] != '/');
+    temp[len] = 0;
+    return temp;
+}
+
+char *path_merge(const char *dir, const char *rest) {
+    char *path = ARR_MALLOC(strlen(dir) + 1 + strlen(rest) + 1, char);
+    if (path == NULL) {
+        ERROR("Malloc failure");
+    }
+    path[0] = 0;
+    strcat(path, dir);
+    strcat(path, "\\");
+    strcat(path, rest);
+    return path;
+}
+#else
+#error "Unknown system!"
+#endif

src/path_utils.h

@@ -0,0 +1,8 @@
+#ifndef _PATH_UTILS_H
+#define _PATH_UTILS_H
+
+char *get_exe_path(const char *called_name);
+char *get_path_dir(char *path);
+char *path_merge(const char *dir, const char *rest);
+
+#endif