add m_dirname that implement a non broken libgen-like function.

[apps/madmutt.git] / lib-lib / file.c

diff --git a/lib-lib/file.c b/lib-lib/file.c
index 584fcdb..5e37996 100644 (file)
--- a/lib-lib/file.c
+++ b/lib-lib/file.c
@@ -28,6 +28,8 @@
 
 #include "lib-lib.h"
 
+#include <utime.h>
+
 #ifndef O_NOFOLLOW
 #  define O_NOFOLLOW  0
 #endif
@@ -353,7 +355,7 @@ int mutt_copy_bytes(FILE *in, FILE *out, ssize_t size)
 
 
 /****************************************************************************/
-/* ligben-like funcs                                                        */
+/* path manipulations                                                       */
 /****************************************************************************/
 
 const char *mutt_basename(const char *f)
@@ -362,6 +364,26 @@ const char *mutt_basename(const char *f)
     return p ? p + 1 : f;
 }
 
+ssize_t m_dirname(char *dst, ssize_t dlen, const char *path)
+{
+    int plen = m_strlen(path);
+
+    while (plen > 0 && path[plen - 1] == '/')
+        plen--;
+
+    while (plen > 0 && path[plen - 1] != '/')
+        plen--;
+
+    while (plen > 0 && path[plen - 1] == '/')
+        plen--;
+
+    if (plen)
+        return m_strncpy(dst, dlen, path, plen);
+
+    if (*path == '/')
+        return m_strcpy(dst, dlen, "/");
+    return m_strcpy(dst, dlen, ".");
+}
 
 char *
 mutt_concat_path(char *d, ssize_t n, const char *dir, const char *fname)
@@ -455,6 +477,14 @@ ssize_t m_file_fmt(char *dst, ssize_t n, const char *fmt, const char *src)
     return pos;
 }
 
+ssize_t
+m_quotefile_fmt(char *dst, ssize_t n, const char *fmt, const char *src)
+{
+    char tmp[LONG_STRING];
+    mutt_quote_filename(tmp, sizeof(tmp), src);
+    return m_file_fmt(dst, n, fmt, tmp);
+}
+
 static ssize_t
 m_tempftplize(char *dst, ssize_t dlen, const char *fmt, const char *s)
 {
@@ -513,3 +543,31 @@ FILE *m_tempfile(char *dst, ssize_t n, const char *dir, const char *fmt)
     int fd = m_tempfd(dst, n, dir, fmt);
     return fd < 0 ? NULL : fdopen(fd, "w+");
 }
+
+/****************************************************************************/
+/* misc                                                                     */
+/****************************************************************************/
+
+/* Decrease a file's modification time by 1 second */
+time_t m_decrease_mtime(const char *path, struct stat *st)
+{
+    struct utimbuf utim;
+    struct stat _st;
+    time_t mtime;
+
+    if (!st) {
+        if (stat(path, &_st) == -1)
+            return -1;
+        st = &_st;
+    }
+
+    if ((mtime = st->st_mtime) == time(NULL)) {
+        mtime -= 1;
+        utim.actime = mtime;
+        utim.modtime = mtime;
+        utime(path, &utim);
+    }
+
+    return mtime;
+}
+