Use errno to indicate error in parsing file.

diff --git a/decfile.c b/decfile.c
index 2220638..98501b1 100644 (file)
--- a/decfile.c
+++ b/decfile.c
@@ -60,7 +60,7 @@ static int append_line(struct rnet_decfile *decfile, char *line)
        return 0;
 out:
        decfile->lines_len -= 1;
-       return -1;
+       return -ENOMEM;
 }
 
 static void decfile_release_lines(struct rnet_decfile *decfile)
@@ -80,7 +80,7 @@ static int decfile_parse_header(struct rnet_decfile *decfile)
 {
        char *buffer = get_header(decfile);
        if (!buffer || strlen(buffer) != 765)
-               return 1;
+               return -EINVAL;
        return parse_header(decfile->header, buffer);
 }
 
@@ -98,16 +98,17 @@ static int decfile_parse(struct rnet_decfile *decfile)
                buffer = NULL;
                len = 0;
        }
-       if (!decfile_parse_header(decfile) && !decfile_parse_file(decfile))
+       if (!(r = decfile_parse_header(decfile)) && !(r = decfile_parse_file(decfile)))
                return 0;
 out:
        decfile_release_lines(decfile);
-       return -1;
+       return r;
 }
 
 struct rnet_decfile * rnet_decfile_open(char *filename)
 {
        struct rnet_decfile *decfile;
+       int r = -ENOMEM;
        decfile = malloc(sizeof(*decfile));
        if (!decfile)
                return NULL;
@@ -125,7 +126,7 @@ struct rnet_decfile * rnet_decfile_open(char *filename)
                goto out_file;
        decfile->lines_len = 0;
        decfile->lines = NULL;
-       if (decfile_parse(decfile))
+       if ((r = decfile_parse(decfile)))
                goto out_parse;
        return decfile;
 out_parse:
@@ -138,6 +139,7 @@ out_message:
        pmhash_del(decfile->header);
 out_header:
        free(decfile);
+       errno = -r;
        return NULL;
 }