diff options
Diffstat (limited to 'gas/input-scrub.c')
| -rw-r--r-- | gas/input-scrub.c | 34 |
1 files changed, 16 insertions, 18 deletions
diff --git a/gas/input-scrub.c b/gas/input-scrub.c index 9d4d75a..4bbb38f 100644 --- a/gas/input-scrub.c +++ b/gas/input-scrub.c @@ -95,8 +95,8 @@ int macro_nest; source line numbers. Whenever we open a file we must fill in physical_input_file. So if it is NULL we have not opened any files yet. */ -static char *physical_input_file; -static char *logical_input_file; +static const char *physical_input_file; +static const char *logical_input_file; /* 1-origin line number in a source file. */ /* A line ends in '\n' or eof. */ @@ -110,8 +110,8 @@ struct input_save { int partial_size; char save_source[AFTER_SIZE]; size_t buffer_length; - char * physical_input_file; - char * logical_input_file; + const char * physical_input_file; + const char * logical_input_file; unsigned int physical_input_line; int logical_input_line; size_t sb_index; @@ -159,7 +159,7 @@ input_scrub_push (char *saved_position) input_file_begin (); /* Reinitialize! */ logical_input_line = -1; - logical_input_file = (char *) NULL; + logical_input_file = NULL; buffer_length = input_file_buffer_size (); sb_index = -1; @@ -214,7 +214,7 @@ input_scrub_begin (void) /* Line number things. */ logical_input_line = -1; - logical_input_file = (char *) NULL; + logical_input_file = NULL; physical_input_file = NULL; /* No file read yet. */ next_saved_file = NULL; /* At EOF, don't pop to any other file */ do_scrub_begin (flag_m68k_mri); @@ -235,7 +235,7 @@ input_scrub_end (void) Return start of caller's part of buffer. */ char * -input_scrub_new_file (char *filename) +input_scrub_new_file (const char *filename) { input_file_open (filename, !flag_no_comments); physical_input_file = filename[0] ? filename : _("{standard input}"); @@ -250,7 +250,7 @@ input_scrub_new_file (char *filename) input_scrub_new_file. */ char * -input_scrub_include_file (char *filename, char *position) +input_scrub_include_file (const char *filename, char *position) { next_saved_file = input_scrub_push (position); return input_scrub_new_file (filename); @@ -435,7 +435,7 @@ bump_line_counters (void) Returns nonzero if the filename actually changes. */ int -new_logical_line_flags (char *fname, /* DON'T destroy it! We point to it! */ +new_logical_line_flags (const char *fname, /* DON'T destroy it! We point to it! */ int line_number, int flags) { @@ -476,36 +476,34 @@ new_logical_line_flags (char *fname, /* DON'T destroy it! We point to it! */ } int -new_logical_line (char *fname, int line_number) +new_logical_line (const char *fname, int line_number) { return new_logical_line_flags (fname, line_number, 0); } -/* Return the current file name and line number. - namep should be char * const *, but there are compilers which screw - up declarations like that, and it's easier to avoid it. */ +/* Return the current file name and line number. */ -void -as_where (char **namep, unsigned int *linep) +const char * +as_where (unsigned int *linep) { if (logical_input_file != NULL && (linep == NULL || logical_input_line >= 0)) { - *namep = logical_input_file; if (linep != NULL) *linep = logical_input_line; + return logical_input_file; } else if (physical_input_file != NULL) { - *namep = physical_input_file; if (linep != NULL) *linep = physical_input_line; + return physical_input_file; } else { - *namep = 0; if (linep != NULL) *linep = 0; + return NULL; } } |