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* input-scrub.c (input_scrub_pop, input_scrub_push): memcpy was 

being used with args swapped, causing occasional lossage when
	refilling buffers after an include file.
This commit is contained in:
Steve Chamberlain 1992-08-17 22:12:02 +00:00
parent 9425505486
commit f7e9bc5a2b
2 changed files with 42 additions and 45 deletions
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6
gas/ChangeLog
View File

@ -1,3 +1,9 @@
Mon Aug 17 15:09:56 1992 Steve Chamberlain (sac@thepub.cygnus.com)
* input-scrub.c (input_scrub_pop, input_scrub_push): memcpy was
being used with args swapped, causing occasional lossage when
refilling buffers after an include file.
Mon Aug 17 13:18:51 1992 Ken Raeburn (raeburn@cygnus.com)
* messages.c (as_tsktsk): Use correct ANSI form for stdarg

81
gas/input-scrub.c
View File

@ -48,7 +48,7 @@
*/
#define BEFORE_STRING ("\n")
#define AFTER_STRING ("\0") /* bcopy of 0 chars might choke. */
#define AFTER_STRING ("\0") /* memcpy of 0 chars might choke. */
#define BEFORE_SIZE (1)
#define AFTER_SIZE (1)
@ -130,7 +130,7 @@ char *saved_position;
saved->logical_input_file = logical_input_file;
saved->physical_input_line = physical_input_line;
saved->logical_input_line = logical_input_line;
bcopy(saved->save_source, save_source, sizeof(save_source));
memcpy(saved->save_source, save_source, sizeof(save_source));
saved->next_saved_file = next_saved_file;
saved->input_file_save = input_file_push();
@ -161,7 +161,7 @@ char *arg;
partial_where = saved->partial_where;
partial_size = saved->partial_size;
next_saved_file = saved->next_saved_file;
bcopy (save_source, saved->save_source, sizeof (save_source));
memcpy(save_source, saved->save_source, sizeof (save_source));
free(arg);
return saved_position;
@ -179,7 +179,7 @@ void
buffer_length = input_file_buffer_size ();
buffer_start = xmalloc((long)(BEFORE_SIZE + buffer_length + buffer_length + AFTER_SIZE));
bcopy (BEFORE_STRING, buffer_start, (int)BEFORE_SIZE);
memcpy(buffer_start, BEFORE_STRING, (int) BEFORE_SIZE);
/* Line number things. */
logical_input_line = 0;
@ -256,7 +256,7 @@ char **bufp;
}
if(partial_size)
bcopy(save_source, partial_where,(int)AFTER_SIZE);
memcpy(partial_where, save_source, (int) AFTER_SIZE);
do_scrub(partial_where,partial_size,buffer_start+BEFORE_SIZE,limit-(buffer_start+BEFORE_SIZE),&out_string,&out_length);
limit=out_string + out_length;
for(p=limit;*--p!='\n';)
@ -267,8 +267,8 @@ char **bufp;
partial_where = p;
partial_size = limit-p;
bcopy(partial_where, save_source,(int)AFTER_SIZE);
bcopy(AFTER_STRING, partial_where, (int)AFTER_SIZE);
memcpy(save_source, partial_where, (int) AFTER_SIZE);
memcpy(partial_where, AFTER_STRING, (int) AFTER_SIZE);
save_buffer = *bufp;
*bufp = out_string;
@ -278,45 +278,36 @@ char **bufp;
/* We're not preprocessing. Do the right thing */
#endif
if (partial_size)
{
bcopy (partial_where, buffer_start + BEFORE_SIZE, (int)partial_size);
bcopy (save_source, buffer_start + BEFORE_SIZE, (int)AFTER_SIZE);
}
if (partial_size) {
memcpy(buffer_start + BEFORE_SIZE, partial_where, (int) partial_size);
memcpy(buffer_start + BEFORE_SIZE, save_source, (int) AFTER_SIZE);
}
limit = input_file_give_next_buffer (buffer_start + BEFORE_SIZE + partial_size);
if (limit)
{
register char * p; /* Find last newline. */
for (p = limit; * -- p != '\n';)
{
}
++ p;
if (p <= buffer_start + BEFORE_SIZE)
{
as_fatal("Source line too long. Please change file %s then rebuild assembler.", __FILE__);
}
partial_where = p;
partial_size = limit - p;
bcopy (partial_where, save_source, (int)AFTER_SIZE);
bcopy (AFTER_STRING, partial_where, (int)AFTER_SIZE);
}
else
{
partial_where = 0;
if (partial_size > 0)
{
as_warn("Partial line at end of file ignored");
}
/* If we should pop to another file at EOF, do it. */
if (next_saved_file)
{
*bufp = input_scrub_pop (next_saved_file); /* Pop state */
/* partial_where is now correct to return, since we popped it. */
}
}
return (partial_where);
}
if (limit) {
register char * p; /* Find last newline. */
for (p = limit; *--p != '\n';) ;;
++p;
if (p <= buffer_start + BEFORE_SIZE) {
as_fatal("Source line too long. Please change file %s then rebuild assembler.", __FILE__);
}
partial_where = p;
partial_size = limit - p;
memcpy(save_source, partial_where, (int) AFTER_SIZE);
memcpy(partial_where, AFTER_STRING, (int) AFTER_SIZE);
} else {
partial_where = 0;
if (partial_size > 0) {
as_warn("Partial line at end of file ignored");
}
/* If we should pop to another file at EOF, do it. */
if (next_saved_file) {
*bufp = input_scrub_pop (next_saved_file); /* Pop state */
/* partial_where is now correct to return, since we popped it. */
}
}
return(partial_where);
} /* input_scrub_next_buffer() */
/*
* The remaining part of this file deals with line numbers, error