merge POSIX.2 identifiers

14 files changed, 213 insertions, 0 deletions

diff --git a/src/glob/GLOB_ABORTED.c b/src/glob/GLOB_ABORTED.c
new file mode 100644
index 00000000..4fff433e
--- /dev/null
+++ b/src/glob/GLOB_ABORTED.c
@@ -0,0 +1,6 @@
+#include <glob.h>
+#define GLOB_ABORTED                                                           1
+/*
+POSIX(2)
+*/
+
diff --git a/src/glob/GLOB_APPEND.c b/src/glob/GLOB_APPEND.c
new file mode 100644
index 00000000..e9cdddac
--- /dev/null
+++ b/src/glob/GLOB_APPEND.c
@@ -0,0 +1,6 @@
+#include <glob.h>
+#define GLOB_APPEND                                                       (1<<0)
+/*
+POSIX(2)
+*/
+
diff --git a/src/glob/GLOB_DOOFFS.c b/src/glob/GLOB_DOOFFS.c
new file mode 100644
index 00000000..5c1615ec
--- /dev/null
+++ b/src/glob/GLOB_DOOFFS.c
@@ -0,0 +1,6 @@
+#include <glob.h>
+#define GLOB_DOOFFS                                                       (1<<1)
+/*
+POSIX(2)
+*/
+
diff --git a/src/glob/GLOB_ERR.c b/src/glob/GLOB_ERR.c
new file mode 100644
index 00000000..1b28a495
--- /dev/null
+++ b/src/glob/GLOB_ERR.c
@@ -0,0 +1,6 @@
+#include <glob.h>
+#define GLOB_ERR                                                          (1<<2)
+/*
+POSIX(2)
+*/
+
diff --git a/src/glob/GLOB_MARK.c b/src/glob/GLOB_MARK.c
new file mode 100644
index 00000000..628b1e0d
--- /dev/null
+++ b/src/glob/GLOB_MARK.c
@@ -0,0 +1,6 @@
+#include <glob.h>
+#define GLOB_MARK                                                         (1<<3)
+/*
+POSIX(2)
+*/
+
diff --git a/src/glob/GLOB_NOCHECK.c b/src/glob/GLOB_NOCHECK.c
new file mode 100644
index 00000000..323fdf40
--- /dev/null
+++ b/src/glob/GLOB_NOCHECK.c
@@ -0,0 +1,6 @@
+#include <glob.h>
+#define GLOB_NOCHECK                                                      (1<<4)
+/*
+POSIX(2)
+*/
+
diff --git a/src/glob/GLOB_NOESCAPE.c b/src/glob/GLOB_NOESCAPE.c
new file mode 100644
index 00000000..befaaaef
--- /dev/null
+++ b/src/glob/GLOB_NOESCAPE.c
@@ -0,0 +1,6 @@
+#include <glob.h>
+#define GLOB_NOESCAPE                                                     (1<<5)
+/*
+POSIX(2)
+*/
+
diff --git a/src/glob/GLOB_NOMATCH.c b/src/glob/GLOB_NOMATCH.c
new file mode 100644
index 00000000..1d404a00
--- /dev/null
+++ b/src/glob/GLOB_NOMATCH.c
@@ -0,0 +1,6 @@
+#include <glob.h>
+#define GLOB_NOMATCH                                                           2
+/*
+POSIX(2)
+*/
+
diff --git a/src/glob/GLOB_NOSORT.c b/src/glob/GLOB_NOSORT.c
new file mode 100644
index 00000000..c17dcf28
--- /dev/null
+++ b/src/glob/GLOB_NOSORT.c
@@ -0,0 +1,6 @@
+#include <glob.h>
+#define GLOB_NOSORT                                                       (1<<6)
+/*
+POSIX(2)
+*/
+
diff --git a/src/glob/GLOB_NOSPACE.c b/src/glob/GLOB_NOSPACE.c
new file mode 100644
index 00000000..e57a197b
--- /dev/null
+++ b/src/glob/GLOB_NOSPACE.c
@@ -0,0 +1,6 @@
+#include <glob.h>
+#define GLOB_NOSPACE                                                           3
+/*
+POSIX(2)
+*/
+
diff --git a/src/glob/GLOB_NOSYS.c b/src/glob/GLOB_NOSYS.c
new file mode 100644
index 00000000..4c0682c4
--- /dev/null
+++ b/src/glob/GLOB_NOSYS.c
@@ -0,0 +1,6 @@
+#include <glob.h>
+#define GLOB_NOSYS                                                          (-2)
+/*
+POSIX(2)
+*/
+
diff --git a/src/glob/glob.c b/src/glob/glob.c
new file mode 100644
index 00000000..15e30731
--- /dev/null
+++ b/src/glob/glob.c
@@ -0,0 +1,114 @@
+#include <glob.h>
+#include "stdlib.h"
+#include "string.h"
+#include "dirent.h"
+#include "fnmatch.h"
+#include "errno.h"
+#include "unistd.h"
+#include "__nonstd.h"
+
+int glob(const char * restrict pattern, int flags, int (*errfunc) (const char * epath, int eerrno), glob_t * restrict pglob)
+{
+	__ASSERT_NONNULL(pattern);
+	__ASSERT_NONNULL(pglob);
+
+	int fnmatch_flags = FNM_PATHNAME | FNM_PERIOD;
+	if (flags & GLOB_NOESCAPE) {
+		fnmatch_flags |= FNM_NOESCAPE;
+	}
+
+	if (flags & GLOB_APPEND) {
+		if (pglob->gl_pathc == 0) {
+			/* no good */
+		}
+
+		if (pglob->gl_offs > 0 && !(flags & GLOB_DOOFFS)) {
+			/* nope */
+		}
+	} else {
+		if (pglob->gl_pathc != 0) {
+			/* also no */
+		}
+	}
+
+	char *path = strdup(pattern);
+	int slashes = 0;
+
+	for (size_t i = 0; path[i]; i++) {
+		if (path[i] == '/') {
+			slashes++;
+			path[i] = '\0';
+		}
+	}
+
+	if (path[0] == '\0') {
+		path[0] = '/';
+		slashes--;
+	}
+
+	/* TODO: check for trailing slash to match only directories */
+	/* TODO: compress adjacent slashes */
+	/* TODO: DOOFFS */
+
+	do {
+		const char *p = path + strlen(path) + 1;
+		struct dirent *de;
+		DIR *d = opendir(path);
+		if (d == NULL) {
+			if (errfunc != NULL) {
+				if (errfunc(path, errno) != 0) {
+					return GLOB_ABORTED;
+				}
+			}
+
+			if (flags & GLOB_ERR) {
+				return GLOB_ABORTED;
+			}
+		}
+
+		while ((de = readdir(d)) != NULL) {
+			if (fnmatch(de->d_name, p, fnmatch_flags) == 0) {
+				pglob->gl_pathc++;
+				char **tmp = realloc(pglob->gl_pathv, sizeof(char*) * pglob->gl_pathc);
+				if (tmp == NULL) {
+					pglob->gl_pathc--;
+					return GLOB_NOSPACE;
+				}
+
+				pglob->gl_pathv = tmp;
+				/* FIXME: add path to front */
+				pglob->gl_pathv[pglob->gl_pathc - 1] = strdup(de->d_name);
+				/* TODO: MARK */
+			}
+		}
+
+		closedir(d);
+
+		path[strlen(path)] = '/';
+		slashes--;
+	} while (slashes);
+
+	if (pglob->gl_pathc == 0) {
+		if (flags & GLOB_NOCHECK) {
+			/* TODO: DOOFFS */
+			pglob->gl_pathc = 1;
+			pglob->gl_pathv = malloc(sizeof(char*));
+			pglob->gl_pathv[0] = strdup(pattern);
+		} else {
+			return GLOB_NOMATCH;
+		}
+	}
+
+	if (!(flags & GLOB_NOSORT)) {
+		qsort(pglob->gl_pathv + pglob->gl_offs, pglob->gl_pathc,
+			sizeof(char*),
+			(int (*)(const void *, const void *))strcoll);
+	}
+
+	return 0;
+}
+
+/*
+POSIX(2)
+*/
+
diff --git a/src/glob/glob_t.c b/src/glob/glob_t.c
new file mode 100644
index 00000000..21fcf4f6
--- /dev/null
+++ b/src/glob/glob_t.c
@@ -0,0 +1,11 @@
+#include <glob.h>
+
+typedef struct {
+	size_t	gl_pathc;
+	char **	gl_pathv;
+	size_t	gl_offs;
+} glob_t;
+/*
+POSIX(2)
+*/
+
diff --git a/src/glob/globfree.c b/src/glob/globfree.c
new file mode 100644
index 00000000..f04708c4
--- /dev/null
+++ b/src/glob/globfree.c
@@ -0,0 +1,22 @@
+#include <glob.h>
+#include "stdlib.h"
+
+void globfree(glob_t * pglob)
+{
+	if (pglob == NULL) {
+		return;
+	}
+
+	for (size_t i = 0; i < pglob->gl_pathc; i++) {
+		if (pglob->gl_pathv[i] != NULL) {
+			free(pglob->gl_pathv[i]);
+		}
+	}
+
+	free(pglob);
+}
+
+/*
+POSIX(2)
+*/
+