Add debugging info to read_fixed_signal()

diff --git a/libhpcs.c b/libhpcs.c
index 09947ccb1fd9144c12151ec2ad6da1c434ab88d7..36103caafa7288bf1aa107edeb38890d9c042d1b 100644 (file)
--- a/libhpcs.c
+++ b/libhpcs.c
@@ -474,6 +474,7 @@ static enum HPCS_ParseCode read_fixed_signal(FILE* datafile, struct HPCS_TVPair*
        switch (dret) {
        case DCHECK_EOF:
        case DCHECK_E_NO_MARKER:
+               PR_DEBUG("First segment is not a marker");
                return PARSE_E_NOT_FOUND; /* First segment is not a marker */
        default:
                break;
@@ -485,6 +486,7 @@ static enum HPCS_ParseCode read_fixed_signal(FILE* datafile, struct HPCS_TVPair*
 
        while (read_file) {
                if (ferror(datafile)) {
+                       PR_DEBUG("Cannot read stream");
                        free(*pairs);
                        *pairs = NULL;
                        return PARSE_E_CANT_READ;
@@ -494,6 +496,7 @@ static enum HPCS_ParseCode read_fixed_signal(FILE* datafile, struct HPCS_TVPair*
 
                r = fread(raw, SEGMENT_SIZE, 1, datafile);
                if (r != 1) {
+                       PR_DEBUG("Cannot read segment");
                        free(*pairs);
                        *pairs = NULL;
                        return PARSE_E_CANT_READ;
@@ -506,6 +509,7 @@ static enum HPCS_ParseCode read_fixed_signal(FILE* datafile, struct HPCS_TVPair*
                        nptr = realloc(*pairs, sizeof(struct HPCS_TVPair) * alloc_size);
 
                        if (nptr == NULL) {
+                               PR_DEBUG("No memory to store data");
                                free(*pairs);
                                *pairs = NULL;
                                return PARSE_E_NO_MEM;
@@ -523,6 +527,7 @@ static enum HPCS_ParseCode read_fixed_signal(FILE* datafile, struct HPCS_TVPair*
                                read_file = false;
                                break;
                        default:
+                               PR_DEBUG("Marker was expected but it was not found");
                                free(*pairs);
                                *pairs = NULL;
                                return PARSE_E_NOT_FOUND;