store_lookup: Added sdb_store_inv_matcher().

[sysdb.git] / src / include / utils / error.h

diff --git a/src/include/utils/error.h b/src/include/utils/error.h
index 73b48baacf2c1cdf9f5df66118166fc90c6df408..e170a7d5e85109406a15af21d4247daa27cd0083 100644 (file)
--- a/src/include/utils/error.h
+++ b/src/include/utils/error.h
@@ -31,14 +31,14 @@
  * will use its own memory region to store information about the last reported
  * error.
  * Once the error message has been passed to SysDB, it will log the entire
- * message at once. XXX: currently, SysDB only supports printing the error to
- * the standard error channel; support for other logging backends will be
- * added later in a modular fashion.
+ * message at once. The message will be sent to all registered log functions.
  */
 
 #ifndef SDB_UTILS_ERROR_H
 #define SDB_UTILS_ERROR_H 1
 
+#include <stddef.h>
+
 #ifdef __cplusplus
 extern "C" {
 #endif
@@ -66,6 +66,15 @@ enum {
                : ((prio) == SDB_LOG_INFO) ? "INFO" \
                : ((prio) == SDB_LOG_DEBUG) ? "DEBUG" : "UNKNOWN")
 
+/*
+ * sdb_error_set_logger:
+ * Set the logging callback to be used for logging messages. By default (or
+ * when explicitely setting the logger to NULL), logs will be written to the
+ * stderr channel.
+ */
+void
+sdb_error_set_logger(int (*f)(int, const char *));
+
 /*
  * sdb_log:
  * Log the specified message. The string will be formatted in printf-style
@@ -89,6 +98,13 @@ sdb_error_set(const char *fmt, ...);
 int
 sdb_error_append(const char *fmt, ...);
 
+/*
+ * sdb_error_chomp:
+ * Remove all consecutive newline characters at the end of the error message.
+ */
+int
+sdb_error_chomp(void);
+
 /*
  * sdb_error_log:
  * Log the current error message with the specified priority. See sdb_log for
@@ -114,6 +130,14 @@ sdb_error_get(void);
 int
 sdb_error_get_prio(void);
 
+/*
+ * sdb_strerror:
+ * This is a wrapper around the system's strerror function which ensures that
+ * a pointer to the formatted error message is returned.
+ */
+char *
+sdb_strerror(int errnum, char *strerrbuf, size_t buflen);
+
 #ifdef __cplusplus
 } /* extern "C" */
 #endif