Add field name prefix option to reporting functions.v1_02_28v1_02_27v1_02_26old-v1_02_28old-v1_02_27old-v1_02_26

4 files changed, 72 insertions, 4 deletions

diff --git a/WHATS_NEW_DM b/WHATS_NEW_DM
index 852fbdb56..cfc45a29f 100644
--- a/WHATS_NEW_DM
+++ b/WHATS_NEW_DM
@@ -1,5 +1,6 @@
 Version 1.02.26 - 
 =================================
+  Add field name prefix option to reporting functions.
   Calculate string size within dm_pool_grow_object.
 
 Version 1.02.25 - 10th April 2008
diff --git a/libdm/.exported_symbols b/libdm/.exported_symbols
index da932b390..6815560f7 100644
--- a/libdm/.exported_symbols
+++ b/libdm/.exported_symbols
@@ -132,5 +132,6 @@ dm_report_field_int32
 dm_report_field_uint32
 dm_report_field_uint64
 dm_report_field_set_value
+dm_report_set_output_field_name_prefix
 dm_regex_create
 dm_regex_match
diff --git a/libdm/libdevmapper.h b/libdm/libdevmapper.h
index 8d55d477f..6988ccded 100644
--- a/libdm/libdevmapper.h
+++ b/libdm/libdevmapper.h
@@ -735,10 +735,11 @@ struct dm_report_field_type {
 /*
  * dm_report_init output_flags
  */
-#define DM_REPORT_OUTPUT_MASK		0x000000FF
-#define DM_REPORT_OUTPUT_ALIGNED	0x00000001
-#define DM_REPORT_OUTPUT_BUFFERED	0x00000002
-#define DM_REPORT_OUTPUT_HEADINGS	0x00000004
+#define DM_REPORT_OUTPUT_MASK			0x000000FF
+#define DM_REPORT_OUTPUT_ALIGNED		0x00000001
+#define DM_REPORT_OUTPUT_BUFFERED		0x00000002
+#define DM_REPORT_OUTPUT_HEADINGS		0x00000004
+#define DM_REPORT_OUTPUT_FIELD_NAME_PREFIX	0x00000008
 
 struct dm_report *dm_report_init(uint32_t *report_types,
 				 const struct dm_report_object_type *types,
@@ -753,6 +754,12 @@ int dm_report_output(struct dm_report *rh);
 void dm_report_free(struct dm_report *rh);
 
 /*
+ * Prefix added to each field name with DM_REPORT_OUTPUT_FIELD_NAME_PREFIX
+ */
+int dm_report_set_output_field_name_prefix(struct dm_report *rh,
+					   const char *report_prefix);
+
+/*
  * Report functions are provided for simple data types.
  * They take care of allocating copies of the data.
  */
diff --git a/libdm/libdm-report.c b/libdm/libdm-report.c
index 71004dd1f..f5758b63d 100644
--- a/libdm/libdm-report.c
+++ b/libdm/libdm-report.c
@@ -17,6 +17,8 @@
 #include "list.h"
 #include "log.h"
 
+#include <ctype.h>
+
 /*
  * Internal flags
  */
@@ -27,6 +29,7 @@ struct dm_report {
 	struct dm_pool *mem;
 
 	uint32_t report_types;
+	const char *output_field_name_prefix;
 	const char *field_prefix;
 	uint32_t flags;
 	const char *separator;
@@ -551,6 +554,31 @@ void dm_report_free(struct dm_report *rh)
 	dm_free(rh);
 }
 
+static char *_toupperstr(char *str)
+{
+	char *u = str;
+
+	do
+		*u = toupper(*u);
+	while (*u++);
+
+	return str;
+}
+
+int dm_report_set_output_field_name_prefix(struct dm_report *rh, const char *output_field_name_prefix)
+{
+	char *prefix;
+
+	if (!(prefix = dm_pool_strdup(rh->mem, output_field_name_prefix))) {
+		log_error("dm_report_set_output_field_name_prefix: dm_pool_strdup failed");
+		return 0;
+	}
+
+	rh->output_field_name_prefix = _toupperstr(prefix);
+	
+	return 1;
+}
+
 /*
  * Create a row of data for an object
  */
@@ -771,6 +799,7 @@ int dm_report_output(struct dm_report *rh)
 	struct row *row = NULL;
 	struct dm_report_field *field;
 	const char *repstr;
+	char *field_id;
 	char buf[4096];
 	int32_t width;
 	uint32_t align;
@@ -798,6 +827,30 @@ int dm_report_output(struct dm_report *rh)
 			if (field->props->flags & FLD_HIDDEN)
 				continue;
 
+			if (rh->flags & DM_REPORT_OUTPUT_FIELD_NAME_PREFIX) {
+				if (!(field_id = strdup(rh->fields[field->props->field_num].id))) {
+					log_error("dm_report: Failed to copy field name");
+					goto bad;
+				}
+
+				if (!dm_pool_grow_object(rh->mem, rh->output_field_name_prefix, 0)) {
+					log_error("dm_report: Unable to extend output line");
+					goto bad;
+				}
+
+				if (!dm_pool_grow_object(rh->mem, _toupperstr(field_id), 0)) {
+					log_error("dm_report: Unable to extend output line");
+					goto bad;
+				}
+
+				free(field_id);
+
+				if (!dm_pool_grow_object(rh->mem, "=\"", 2)) {
+					log_error("dm_report: Unable to extend output line");
+					goto bad;
+				}
+			}
+
 			repstr = field->report_string;
 			width = field->props->width;
 			if (!(rh->flags & DM_REPORT_OUTPUT_ALIGNED)) {
@@ -832,6 +885,12 @@ int dm_report_output(struct dm_report *rh)
 				}
 			}
 
+			if (rh->flags & DM_REPORT_OUTPUT_FIELD_NAME_PREFIX)
+				if (!dm_pool_grow_object(rh->mem, "\"", 1)) {
+					log_error("dm_report: Unable to extend output line");
+					goto bad;
+				}
+				
 			if (!list_end(&row->fields, fh))
 				if (!dm_pool_grow_object(rh->mem, rh->separator, 0)) {
 					log_error("dm_report: Unable to extend output line");