[tracker] tracker-extract, libtracker-extract: GB#579051, Provide a tracker_getline

[Philip Van Hoof <pvanhoof src gnome org>]

commit 73df16e822bd193f58a2503903a2e61e2a21f7ef
Author: Philip Van Hoof <philip codeminded be>
Date:   Wed Apr 28 14:07:37 2010 +0200

    tracker-extract, libtracker-extract: GB#579051, Provide a tracker_getline
    
    For platforms that miss the getline() function.

 src/libtracker-extract/tracker-utils.c    |   93 +++++++++++++++++++++++++++++
 src/libtracker-extract/tracker-utils.h    |    7 ++-
 src/tracker-extract/tracker-extract-abw.c |    3 +-
 src/tracker-extract/tracker-extract-ps.c  |   82 +-------------------------
 4 files changed, 102 insertions(+), 83 deletions(-)
---
diff --git a/src/libtracker-extract/tracker-utils.c b/src/libtracker-extract/tracker-utils.c
index 687861b..1b2e051 100644
--- a/src/libtracker-extract/tracker-utils.c
+++ b/src/libtracker-extract/tracker-utils.c
@@ -20,14 +20,34 @@
 #include "config.h"
 
 #define _XOPEN_SOURCE
+
+#ifndef _GNU_SOURCE
+#define _GNU_SOURCE
+#endif
+
 #include <time.h>
 #include <string.h>
+#include <stdio.h>
 
 #include <libtracker-common/tracker-utils.h>
 #include <libtracker-common/tracker-date-time.h>
 
 #include "tracker-utils.h"
 
+#ifndef HAVE_GETLINE
+
+#include <stddef.h>
+#include <stdlib.h>
+#include <limits.h>
+#include <errno.h>
+
+#undef getdelim
+#undef getline
+
+#define GROW_BY 80
+
+#endif /* HAVE_GETLINE */
+
 #define DATE_FORMAT_ISO8601 "%Y-%m-%dT%H:%M:%S%z"
 
 /**
@@ -752,3 +772,76 @@ tracker_date_guess (const gchar *date_string)
 
 	return g_strdup (date_string);
 }
+
+#ifndef HAVE_GETLINE
+static gint
+my_igetdelim (gchar  **linebuf,
+              guint   *linebufsz,
+              gint     delimiter,
+              FILE    *file)
+{
+	gint ch;
+	gint idx;
+
+	if ((file == NULL || linebuf == NULL || *linebuf == NULL || *linebufsz == 0) &&
+	    !(*linebuf == NULL && *linebufsz == 0)) {
+		errno = EINVAL;
+		return -1;
+	}
+
+	if (*linebuf == NULL && *linebufsz == 0) {
+		*linebuf = g_malloc (GROW_BY);
+
+		if (!*linebuf) {
+			errno = ENOMEM;
+			return -1;
+		}
+
+		*linebufsz += GROW_BY;
+	}
+
+	idx = 0;
+
+	while ((ch = fgetc (file)) != EOF) {
+		/* Grow the line buffer as necessary */
+		while (idx > *linebufsz - 2) {
+			*linebuf = g_realloc (*linebuf, *linebufsz += GROW_BY);
+
+			if (!*linebuf) {
+				errno = ENOMEM;
+				return -1;
+			}
+		}
+		(*linebuf)[idx++] = (gchar) ch;
+
+		if ((gchar) ch == delimiter) {
+			break;
+		}
+	}
+
+	if (idx != 0) {
+		(*linebuf)[idx] = 0;
+	} else if ( ch == EOF ) {
+		return -1;
+	}
+
+	return idx;
+}
+
+gint
+tracker_getline (gchar **lineptr,
+                 guint  *n,
+                 FILE *stream)
+{
+	return my_igetdelim (lineptr, n, '\n', stream);
+}
+
+#else
+gint
+tracker_getline (gchar **lineptr,
+                 guint  *n,
+                 FILE *stream)
+{
+	return getline (lineptr, n, stream);
+}
+#endif /* HAVE_GETLINE */
diff --git a/src/libtracker-extract/tracker-utils.h b/src/libtracker-extract/tracker-utils.h
index 052b2dd..50e7f2a 100644
--- a/src/libtracker-extract/tracker-utils.h
+++ b/src/libtracker-extract/tracker-utils.h
@@ -17,6 +17,8 @@
  * Boston, MA  02110-1301, USA.
  */
 
+#include <stdio.h>
+
 #ifndef __LIBTRACKER_EXTRACT_UTILS_H__
 #define __LIBTRACKER_EXTRACT_UTILS_H__
 
@@ -42,9 +44,12 @@ gchar*       tracker_date_format_to_iso8601 (const gchar *date_string,
                                              const gchar *format);
 const gchar* tracker_coalesce_strip         (gint         n_values,
                                                           ...);
-gchar*       tracker_merge_const            (const gchar *delimiter, 
+gchar*       tracker_merge_const            (const gchar *delimiter,
                                              gint         n_values,
                                                           ...);
+gint         tracker_getline                (gchar      **lineptr,
+                                             guint       *n,
+                                             FILE        *stream);
 
 G_END_DECLS
 
diff --git a/src/tracker-extract/tracker-extract-abw.c b/src/tracker-extract/tracker-extract-abw.c
index 19b60f8..6be54e2 100644
--- a/src/tracker-extract/tracker-extract-abw.c
+++ b/src/tracker-extract/tracker-extract-abw.c
@@ -46,6 +46,7 @@ static TrackerExtractData data[] = {
 	{ NULL, NULL }
 };
 
+
 static void
 extract_abw (const gchar          *uri,
              TrackerSparqlBuilder *preupdate,
@@ -69,7 +70,7 @@ extract_abw (const gchar          *uri,
 		tracker_sparql_builder_predicate (metadata, "a");
 		tracker_sparql_builder_object (metadata, "nfo:Document");
 
-		while ((read_char = getline (&line, &length, f)) != -1) {
+		while ((read_char = tracker_getline (&line, &length, f)) != -1) {
 			if (g_str_has_suffix (line, "</m>\n")) {
 				line[read_char - 5] = '\0';
 			}
diff --git a/src/tracker-extract/tracker-extract-ps.c b/src/tracker-extract/tracker-extract-ps.c
index 7ec62c0..9ff0242 100644
--- a/src/tracker-extract/tracker-extract-ps.c
+++ b/src/tracker-extract/tracker-extract-ps.c
@@ -38,20 +38,6 @@
 
 #include <libtracker-extract/tracker-extract.h>
 
-#ifndef HAVE_GETLINE
-
-#include <stddef.h>
-#include <stdlib.h>
-#include <limits.h>
-#include <errno.h>
-
-#undef getdelim
-#undef getline
-
-#define GROW_BY 80
-
-#endif /* HAVE_GETLINE */
-
 #ifdef USING_UNZIPPSFILES
 static void extract_ps_gz (const gchar          *uri,
                            TrackerSparqlBuilder *preupdate,
@@ -69,72 +55,6 @@ static TrackerExtractData data[] = {
 	{ NULL, NULL }
 };
 
-#ifndef HAVE_GETLINE
-
-static ssize_t
-igetdelim (gchar  **linebuf,
-           size_t  *linebufsz,
-           gint     delimiter,
-           FILE    *file)
-{
-	gint ch;
-	gint idx;
-
-	if ((file == NULL || linebuf == NULL || *linebuf == NULL || *linebufsz == 0) &&
-	    !(*linebuf == NULL && *linebufsz == 0)) {
-		errno = EINVAL;
-		return -1;
-	}
-
-	if (*linebuf == NULL && *linebufsz == 0) {
-		*linebuf = g_malloc (GROW_BY);
-
-		if (!*linebuf) {
-			errno = ENOMEM;
-			return -1;
-		}
-
-		*linebufsz += GROW_BY;
-	}
-
-	idx = 0;
-
-	while ((ch = fgetc (file)) != EOF) {
-		/* Grow the line buffer as necessary */
-		while (idx > *linebufsz - 2) {
-			*linebuf = g_realloc (*linebuf, *linebufsz += GROW_BY);
-
-			if (!*linebuf) {
-				errno = ENOMEM;
-				return -1;
-			}
-		}
-		(*linebuf)[idx++] = (gchar) ch;
-
-		if ((gchar) ch == delimiter) {
-			break;
-		}
-	}
-
-	if (idx != 0) {
-		(*linebuf)[idx] = 0;
-	} else if ( ch == EOF ) {
-		return -1;
-	}
-
-	return idx;
-}
-
-static gint
-getline (gchar **s,
-         guint  *lim,
-         FILE   *stream)
-{
-	return igetdelim (s, lim, '\n', stream);
-}
-
-#endif /* HAVE_GETLINE */
-
 static gchar *
 hour_day_str_day (const gchar *date)
 {
@@ -234,7 +154,7 @@ extract_ps_from_filestream (FILE *f,
 	 *  b) No more lines to read
 	 */
 	while ((accum < max_bytes) &&
-	       (read_char = getline (&line, &length, f)) != -1) {
+	       (read_char = tracker_getline (&line, &length, f)) != -1) {
 		gboolean pageno_atend = FALSE;
 		gboolean header_finished = FALSE;