Add windows (#3)

* Add windows support

6 files changed, 51 insertions, 5 deletions

diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index bc094b7..abb6236 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -20,11 +20,15 @@ jobs:
         include:
           - name: Debug (Linux)
             os: ubuntu-latest
-            build_type: Release
+            build_type: Debug
             
           - name: Debug (MacOS)
             os: macos-latest
-            build_type: Release
+            build_type: Debug
+
+          - name: Debug (Windows)
+            os: windows-latest
+            build_type: Debug
             
           - name: Release (Linux)
             os: ubuntu-latest
@@ -34,6 +38,11 @@ jobs:
             os: macos-latest
             build_type: Release
 
+          - name: Release (Windows)
+            os: windows-latest
+            build_type: Release
+
+
     steps:
     - uses: actions/checkout@v2
 
diff --git a/include/cleanpath.h b/include/cleanpath.h
index 6d50db4..b2d21f4 100644
--- a/include/cleanpath.h
+++ b/include/cleanpath.h
@@ -35,10 +35,13 @@
 #define CLEANPATH_PART_MAX 1024
 #define CLEANPATH_VAR "PATH"
 #define CLEANPATH_SEP ":"
+#define CLEANPATH_MSG_NOAVAIL ""
 
 #if OS_WINDOWS
 #undef CLEANPATH_SEP
 #define CLEANPATH_SEP ";"
+#undef CLEANPATH_MSG_NOAVAIL
+#define CLEANPATH_MSG_NOAVAIL " [not implemented] "
 #endif
 
 struct CleanPath {
diff --git a/lib/cleanpath.c b/lib/cleanpath.c
index 9c46c38..2337869 100644
--- a/lib/cleanpath.c
+++ b/lib/cleanpath.c
@@ -1,9 +1,13 @@
+#include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <regex.h>
 #include "config.h"
 #include "cleanpath.h"
 
+#if !OS_WINDOWS
+#include <regex.h>
+#endif
+
 /**
  * Split path into parts by sep
  * @param path a string (e.g. "/path1:/path2:/pathN")
@@ -58,8 +62,10 @@ struct CleanPath *cleanpath_init(const char *path, const char *sep) {
  * @note CLEANPATH_FILTER_EXACT is the default mode
  */
 void cleanpath_filter(struct CleanPath *path, unsigned mode, const char *pattern) {
-    int match;
+#if !OS_WINDOWS
     regex_t regex;
+#endif
+    int match;
 
     for (size_t i = 0; path->part[i]; i++) {
         match = 0;
@@ -68,11 +74,15 @@ void cleanpath_filter(struct CleanPath *path, unsigned mode, const char *pattern
                 match = strstr(path->part[i], pattern) != NULL ? 1 : 0;
                 break;
             case CLEANPATH_FILTER_REGEX:
+#if !OS_WINDOWS
                 if (regcomp(&regex, pattern, REG_EXTENDED | REG_NOSUB) != 0) {
                     return;
                 }
                 match = regexec(&regex, path->part[i], 0, NULL, 0) == 0 ? 1 : 0;
                 regfree(&regex);
+#else
+                fprintf(stderr, "WARNING: --regex|-r is not implemented on Windows. Using default filter mode.\n");
+#endif
                 break;
             case CLEANPATH_FILTER_EXACT:
             default:
diff --git a/src/main.c b/src/main.c
index ba23fcc..7bb92c3 100644
--- a/src/main.c
+++ b/src/main.c
@@ -52,7 +52,7 @@ static void show_usage() {
     printf("  --version    -V    Displays the program's version\n");
     printf("  --exact      -e    Filter when pattern is an exact match (default)\n");
     printf("  --loose      -l    Filter when any part of the pattern matches\n");
-    printf("  --regex      -r    Filter matches with (Extended) Regular Expressions\n");
+    printf("  --regex      -r    Filter matches with (Extended) Regular Expressions " CLEANPATH_MSG_NOAVAIL "\n");
     printf("  --sep [str]  -s    Use custom path separator (default: ':')\n");
     printf("  --env [str]  -E    Use custom environment variable (default: PATH)\n");
 }
diff --git a/tests/test_modes_filter_all.c b/tests/test_modes_filter_all.c
index 4f41dce..7e19242 100644
--- a/tests/test_modes_filter_all.c
+++ b/tests/test_modes_filter_all.c
@@ -6,16 +6,26 @@
 #define MAX_PART CLEANPATH_PART_MAX
 #define MAX_RECORD 255
 
+#if OS_WINDOWS
+// Disable regex filter test
+#undef MAX_MODE
+#define MAX_MODE 2
+#endif
+
 unsigned modes[MAX_MODE] = {
     CLEANPATH_FILTER_EXACT,
     CLEANPATH_FILTER_LOOSE,
+#if !OS_WINDOWS
     CLEANPATH_FILTER_REGEX,
+#endif
 };
 
 char *modes_str[MAX_MODE] = {
     "exact",
     "loose",
+#if !OS_WINDOWS
     "regex",
+#endif
 };
 
 const char *inputs[MAX_MODE][MAX_PART][MAX_RECORD] = {
@@ -35,10 +45,12 @@ const char *inputs[MAX_MODE][MAX_PART][MAX_RECORD] = {
         "bin",
         NULL
     },
+#if !OS_WINDOWS
     {   // Filter regex
         ".*",
         NULL
     },
+#endif
 };
 
 struct TestResult {
diff --git a/tests/test_modes_filter_general.c b/tests/test_modes_filter_general.c
index e3a9cda..50dec68 100644
--- a/tests/test_modes_filter_general.c
+++ b/tests/test_modes_filter_general.c
@@ -5,16 +5,26 @@
 #define MAX_PART CLEANPATH_PART_MAX
 #define MAX_RECORD 255
 
+#if OS_WINDOWS
+// Disable regex filter test
+#undef MAX_MODE
+#define MAX_MODE 2
+#endif
+
 unsigned modes[MAX_MODE] = {
     CLEANPATH_FILTER_EXACT,
     CLEANPATH_FILTER_LOOSE,
+#if !OS_WINDOWS
     CLEANPATH_FILTER_REGEX,
+#endif
 };
 
 char *modes_str[MAX_MODE] = {
     "exact",
     "loose",
+#if !OS_WINDOWS
     "regex",
+#endif
 };
 
 const char *inputs[MAX_MODE][MAX_PART][MAX_RECORD] = {
@@ -29,12 +39,14 @@ const char *inputs[MAX_MODE][MAX_PART][MAX_RECORD] = {
         "intentionally bad",      // test non-existent pattern in string
         NULL
     },
+#if !OS_WINDOWS
     {   // Filter regex
         "^/opt/local/.*",
         "intentionally bad",      // test non-existent pattern in string
         "intentionally worse (",  // cause total regex failure with unmatched parenthesis
         NULL
     },
+#endif
 };
 const char *expected = "/usr/local/bin:/usr/bin:/bin:/usr/sbin:/sbin:/opt/X11/bin:/Library/Apple/usr/bin";