sfeed

commit 10760e447f95a4b6dbeaae90456a7e9efd0a796c
parent 5646132f6b0389d7d1b0b1b464e9fde95c25381c
Author: Hiltjo Posthuma <hiltjo@codemadness.org>
Date:   Sun, 21 Jun 2015 00:19:22 +0200

add xbasename for filename to feedname

Diffstat:
M
util.c
 | 
22
++++++++++++++++++++++

1 file changed, 22 insertions(+), 0 deletions(-)
diff --git a/util.c b/util.c
@@ -1,6 +1,7 @@
 #include <ctype.h>
 #include <err.h>
 #include <errno.h>
+#include <libgen.h>
 #include <limits.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -203,3 +204,24 @@ printcontent(const char *s, FILE *fp)
 		}
 	}
 }
+
+/* Some implementations of basename(3) return a pointer to a static
+ * internal buffer (OpenBSD). Others modify the contents of `path` (POSIX).
+ * This is a wrapper function that is compatible with both versions.
+ * The program will error out if basename(3) failed, this can only happen
+ * with the OpenBSD version.
+ */
+char *
+xbasename(const char *path)
+{
+	char *p, *b;
+
+	if(!(p = strdup(path)))
+		err(1, "strdup");
+	if(!(b = basename(p)))
+		err(1, "basename");
+	if(!(b = strdup(b)))
+		err(1, "strdup");
+	free(p);
+	return b;
+}