Regarding the watch view, I have disabled it but I cannot delete the function arguments and local variables from it.
Before I continue, I'm not sure any more if this is a CB issue, so if any of the mods decide to close this thread, I'll regret it but the forum rules are clear.
- if I declare one additional local variable in the function that calls the failing ReadString() it works.
- but if, additionaly to the extra declaration, I initialize the nr_of_lflags var it crashes again.
Below is the function code, see the 3 COMMENTS IN CAPS.
int32_t ReadFlags(int64_t offset)
{
int32_t code = NO_ID;
int32_t com_loc_len = 0; /* Length of common location flags string. */
int32_t com_obj_len = 0; /* Length of common object flags string. */
/* Length of local flags string is a global variable for save() function. */
int32_t nr_of_lflags; /* IF I INITIALIZE THIS VAR THE EXTRA LOCAL DECLARATION HAS NO EFFECT */
int i = 0;
int test = 0; /* WITH THIS LINE IT WORKS, IF I REMOVE IT, OR INTIALIZE nr_of_lflags THE PROBLEM RETURNS */
/* go to offset in datafile */
if (fseek(datafile, offset, 0) == -1) {
PrintError(16, NULL, "ReadFlags()");
return(ERROR);
}
/* check for the keyword */
if (!GetNextCode32(&code)) {
PrintError(23, NULL, "keyword record");
return(ERROR);
}
if (code != FLAGS) {
PrintError(21, NULL, "flags");
return(ERROR);
}
/* Read number of common flagbits. */
/* We need the number for the SetBitVal() function. */
if (!GetNextCode32(&nr_of_cflags)) {
PrintError(23, NULL, "nr_of_cflags");
return(ERROR);
}
/* calculate com_loc_len and com_obj_len. */
com_loc_len = ((nr_of_cflags*nr_of_locs)/WORD_LEN)+1;
com_obj_len = ((nr_of_cflags*nr_of_objs)/WORD_LEN)+1;
/* Create space on heap for com_loc_flags. */
if ((com_loc_flags = (int32_t *) malloc(com_loc_len*sizeof(int32_t))) == NULL) {
PrintError(15, NULL, "ReadFlags()");
return(ERROR);
}
/* Create space on heap for com_obj_flags. */
if ((com_obj_flags = (int32_t *) malloc(com_obj_len*sizeof(int32_t))) == NULL) {
PrintError(15, NULL, "ReadFlags()");
return(ERROR);
}
/* Read the com_loc_flags. */
if (fread((void *) com_loc_flags, sizeof(int32_t), com_loc_len, datafile)
!= com_loc_len) {
PrintError(23, NULL, "common location flags");
return(ERROR);
}
/* Read the com_obj_flags. */
if (fread((void *) com_obj_flags, sizeof(int32_t), com_obj_len, datafile)
!= com_obj_len) {
PrintError(23, NULL, "common object flags");
return(ERROR);
}
/* Read length of local flagbits string. */
/* We don't need the actual number of local flags. */
if (!GetNextCode32(&loc_flags_string_len)) {
PrintError(23, NULL, "loc_flags_string_len");
return(ERROR);
}
/* Create space on heap. */
if ((local_flags = (int32_t *) malloc(loc_flags_string_len*sizeof(int32_t))) == NULL) {
PrintError(15, NULL, "ReadFlags()");
return(ERROR);
}
/* read the information */
if (fread((void *) local_flags, sizeof(int32_t), loc_flags_string_len, datafile)
!= loc_flags_string_len) {
PrintError(23, NULL, "local flags");
return(ERROR);
}
/* Check if we must read debug info */ /* @@ */
if (debug) {
/* check for the keyword */
if (!GetNextCode32(&code)) {
PrintError(23, NULL, "keyword record");
return(ERROR);
}
if (code != DEBUG) {
PrintError(21, NULL, "debug");
return(ERROR);
}
/* Malloc() space for common flags debug info. */
if ((com_flag_dbug = (debugInfo *) malloc(nr_of_cflags*sizeof(debugInfo))) == NULL) {
PrintError(15, NULL, "common flags debug info");
return(ERROR);
}
/* Malloc() space for local flags debug info. */
if ((loc_flag_dbug = (debugInfo *) malloc(nr_of_lflags*sizeof(debugInfo))) == NULL) {
PrintError(15, NULL, "local flags debug info");
return(ERROR);
}
for (i=0; i<nr_of_cflags; i++) {
if ( ((com_flag_dbug[i]).name = ReadString()) == NULL)
return(ERROR);
}
/* read the number of local flags */
/* is is only needed when we have debug info */
if (!GetNextCode32(&nr_of_lflags)) {
PrintError(23, NULL, "nr_of_lflags");
return(ERROR);
}
for (i=0; i<nr_of_lflags; i++) {
if ( ((loc_flag_dbug[i]).name = ReadString()) == NULL) /* THIS rEADsTRING() CALL FAILS */
return(ERROR);
if (!GetNextCode32(&(loc_flag_dbug[i]).owner))
return(ERROR);
}
}
return(OK);
}
