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libsmartcols: use const qualifier where it's possible 

Closes: https://github.com/karelzak/util-linux/issues/355
Signed-off-by: Igor Gnatenko <i.gnatenko.brain@gmail.com>
This commit is contained in:
Igor Gnatenko 2016-09-21 08:30:48 +02:00
parent 0e0943c15b
commit f7a9ea28ef
7 changed files with 65 additions and 71 deletions
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22
libsmartcols/src/column.c
View File

@ -138,7 +138,7 @@ int scols_column_set_whint(struct libscols_column *cl, double whint)
* *
* Returns: The width hint of column @cl, a negative value in case of an error. * Returns: The width hint of column @cl, a negative value in case of an error.
*/ */
double scols_column_get_whint(struct libscols_column *cl) double scols_column_get_whint(const struct libscols_column *cl)
{ {
return cl->width_hint; return cl->width_hint;
} }
@ -174,7 +174,7 @@ int scols_column_set_flags(struct libscols_column *cl, int flags)
* *
* Returns: The flag mask of @cl, a negative value in case of an error. * Returns: The flag mask of @cl, a negative value in case of an error.
*/ */
int scols_column_get_flags(struct libscols_column *cl) int scols_column_get_flags(const struct libscols_column *cl)
{ {
return cl->flags; return cl->flags;
} }
@ -222,7 +222,7 @@ int scols_column_set_color(struct libscols_column *cl, const char *co)
* *
* Returns: The current color setting of the column @cl. * Returns: The current color setting of the column @cl.
*/ */
const char *scols_column_get_color(struct libscols_column *cl) const char *scols_column_get_color(const struct libscols_column *cl)
{ {
return cl->color; return cl->color;
} }
@ -260,7 +260,7 @@ int scols_column_set_cmpfunc(struct libscols_column *cl,
* *
* Since: 2.27 * Since: 2.27
*/ */
int scols_column_is_hidden(struct libscols_column *cl) int scols_column_is_hidden(const struct libscols_column *cl)
{ {
return cl->flags & SCOLS_FL_HIDDEN ? 1 : 0; return cl->flags & SCOLS_FL_HIDDEN ? 1 : 0;
} }
@ -273,7 +273,7 @@ int scols_column_is_hidden(struct libscols_column *cl)
* *
* Returns: 0 or 1 * Returns: 0 or 1
*/ */
int scols_column_is_trunc(struct libscols_column *cl) int scols_column_is_trunc(const struct libscols_column *cl)
{ {
return cl->flags & SCOLS_FL_TRUNC ? 1 : 0; return cl->flags & SCOLS_FL_TRUNC ? 1 : 0;
} }
@ -285,7 +285,7 @@ int scols_column_is_trunc(struct libscols_column *cl)
* *
* Returns: 0 or 1 * Returns: 0 or 1
*/ */
int scols_column_is_tree(struct libscols_column *cl) int scols_column_is_tree(const struct libscols_column *cl)
{ {
return cl->flags & SCOLS_FL_TREE ? 1 : 0; return cl->flags & SCOLS_FL_TREE ? 1 : 0;
} }
@ -297,7 +297,7 @@ int scols_column_is_tree(struct libscols_column *cl)
* *
* Returns: 0 or 1 * Returns: 0 or 1
*/ */
int scols_column_is_right(struct libscols_column *cl) int scols_column_is_right(const struct libscols_column *cl)
{ {
return cl->flags & SCOLS_FL_RIGHT ? 1 : 0; return cl->flags & SCOLS_FL_RIGHT ? 1 : 0;
} }
@ -309,7 +309,7 @@ int scols_column_is_right(struct libscols_column *cl)
* *
* Returns: 0 or 1 * Returns: 0 or 1
*/ */
int scols_column_is_strict_width(struct libscols_column *cl) int scols_column_is_strict_width(const struct libscols_column *cl)
{ {
return cl->flags & SCOLS_FL_STRICTWIDTH ? 1 : 0; return cl->flags & SCOLS_FL_STRICTWIDTH ? 1 : 0;
} }
@ -321,7 +321,7 @@ int scols_column_is_strict_width(struct libscols_column *cl)
* *
* Returns: 0 or 1 * Returns: 0 or 1
*/ */
int scols_column_is_noextremes(struct libscols_column *cl) int scols_column_is_noextremes(const struct libscols_column *cl)
{ {
return cl->flags & SCOLS_FL_NOEXTREMES ? 1 : 0; return cl->flags & SCOLS_FL_NOEXTREMES ? 1 : 0;
} }
@ -335,7 +335,7 @@ int scols_column_is_noextremes(struct libscols_column *cl)
* *
* Since: 2.28 * Since: 2.28
*/ */
int scols_column_is_wrap(struct libscols_column *cl) int scols_column_is_wrap(const struct libscols_column *cl)
{ {
return cl->flags & SCOLS_FL_WRAP ? 1 : 0; return cl->flags & SCOLS_FL_WRAP ? 1 : 0;
} }
@ -349,7 +349,7 @@ int scols_column_is_wrap(struct libscols_column *cl)
* *
* Since: 2.29 * Since: 2.29
*/ */
int scols_column_is_wrapnl(struct libscols_column *cl) int scols_column_is_wrapnl(const struct libscols_column *cl)
{ {
return cl->flags & SCOLS_FL_WRAPNL ? 1 : 0; return cl->flags & SCOLS_FL_WRAPNL ? 1 : 0;
} }

2
libsmartcols/src/iter.c
View File

@ -68,7 +68,7 @@ void scols_reset_iter(struct libscols_iter *itr, int direction)
* *
* Returns: SCOLS_INTER_{FOR,BACK}WARD * Returns: SCOLS_INTER_{FOR,BACK}WARD
*/ */
int scols_iter_get_direction(struct libscols_iter *itr) int scols_iter_get_direction(const struct libscols_iter *itr)
{ {
return itr->direction; return itr->direction;
} }

62
libsmartcols/src/libsmartcols.h.in
View File

@ -100,7 +100,7 @@ enum {
extern struct libscols_iter *scols_new_iter(int direction); extern struct libscols_iter *scols_new_iter(int direction);
extern void scols_free_iter(struct libscols_iter *itr); extern void scols_free_iter(struct libscols_iter *itr);
extern void scols_reset_iter(struct libscols_iter *itr, int direction); extern void scols_reset_iter(struct libscols_iter *itr, int direction);
extern int scols_iter_get_direction(struct libscols_iter *itr); extern int scols_iter_get_direction(const struct libscols_iter *itr);
/* init.c */ /* init.c */
extern void scols_init_debug(int mask); extern void scols_init_debug(int mask);
@ -139,26 +139,26 @@ extern int scols_cell_set_userdata(struct libscols_cell *ce, void *data);
extern int scols_cmpstr_cells(struct libscols_cell *a, extern int scols_cmpstr_cells(struct libscols_cell *a,
struct libscols_cell *b, void *data); struct libscols_cell *b, void *data);
/* column.c */ /* column.c */
extern int scols_column_is_tree(struct libscols_column *cl); extern int scols_column_is_tree(const struct libscols_column *cl);
extern int scols_column_is_trunc(struct libscols_column *cl); extern int scols_column_is_trunc(const struct libscols_column *cl);
extern int scols_column_is_right(struct libscols_column *cl); extern int scols_column_is_right(const struct libscols_column *cl);
extern int scols_column_is_strict_width(struct libscols_column *cl); extern int scols_column_is_strict_width(const struct libscols_column *cl);
extern int scols_column_is_hidden(struct libscols_column *cl); extern int scols_column_is_hidden(const struct libscols_column *cl);
extern int scols_column_is_noextremes(struct libscols_column *cl); extern int scols_column_is_noextremes(const struct libscols_column *cl);
extern int scols_column_is_wrap(struct libscols_column *cl); extern int scols_column_is_wrap(const struct libscols_column *cl);
extern int scols_column_is_wrapnl(struct libscols_column *cl); extern int scols_column_is_wrapnl(const struct libscols_column *cl);
extern int scols_column_set_flags(struct libscols_column *cl, int flags); extern int scols_column_set_flags(struct libscols_column *cl, int flags);
extern int scols_column_get_flags(struct libscols_column *cl); extern int scols_column_get_flags(const struct libscols_column *cl);
extern struct libscols_column *scols_new_column(void); extern struct libscols_column *scols_new_column(void);
extern void scols_ref_column(struct libscols_column *cl); extern void scols_ref_column(struct libscols_column *cl);
extern void scols_unref_column(struct libscols_column *cl); extern void scols_unref_column(struct libscols_column *cl);
extern struct libscols_column *scols_copy_column(const struct libscols_column *cl); extern struct libscols_column *scols_copy_column(const struct libscols_column *cl);
extern int scols_column_set_whint(struct libscols_column *cl, double whint); extern int scols_column_set_whint(struct libscols_column *cl, double whint);
extern double scols_column_get_whint(struct libscols_column *cl); extern double scols_column_get_whint(const struct libscols_column *cl);
extern struct libscols_cell *scols_column_get_header(struct libscols_column *cl); extern struct libscols_cell *scols_column_get_header(struct libscols_column *cl);
extern int scols_column_set_color(struct libscols_column *cl, const char *color); extern int scols_column_set_color(struct libscols_column *cl, const char *color);
extern const char *scols_column_get_color(struct libscols_column *cl); extern const char *scols_column_get_color(const struct libscols_column *cl);
extern int scols_column_set_cmpfunc(struct libscols_column *cl, extern int scols_column_set_cmpfunc(struct libscols_column *cl,
int (*cmp)(struct libscols_cell *a, int (*cmp)(struct libscols_cell *a,
@ -178,10 +178,10 @@ extern int scols_line_add_child(struct libscols_line *ln, struct libscols_line *
extern int scols_line_has_children(struct libscols_line *ln); extern int scols_line_has_children(struct libscols_line *ln);
extern int scols_line_next_child(struct libscols_line *ln, extern int scols_line_next_child(struct libscols_line *ln,
struct libscols_iter *itr, struct libscols_line **chld); struct libscols_iter *itr, struct libscols_line **chld);
extern struct libscols_line *scols_line_get_parent(struct libscols_line *ln); extern struct libscols_line *scols_line_get_parent(const struct libscols_line *ln);
extern int scols_line_set_color(struct libscols_line *ln, const char *color); extern int scols_line_set_color(struct libscols_line *ln, const char *color);
extern const char *scols_line_get_color(struct libscols_line *ln); extern const char *scols_line_get_color(const struct libscols_line *ln);
extern size_t scols_line_get_ncells(struct libscols_line *ln); extern size_t scols_line_get_ncells(const struct libscols_line *ln);
extern struct libscols_cell *scols_line_get_cell(struct libscols_line *ln, size_t n); extern struct libscols_cell *scols_line_get_cell(struct libscols_line *ln, size_t n);
extern struct libscols_cell *scols_line_get_column_cell( extern struct libscols_cell *scols_line_get_column_cell(
struct libscols_line *ln, struct libscols_line *ln,
@ -190,20 +190,20 @@ extern int scols_line_set_data(struct libscols_line *ln, size_t n, const char *d
extern int scols_line_refer_data(struct libscols_line *ln, size_t n, char *data); extern int scols_line_refer_data(struct libscols_line *ln, size_t n, char *data);
extern int scols_line_set_column_data(struct libscols_line *ln, struct libscols_column *cl, const char *data); extern int scols_line_set_column_data(struct libscols_line *ln, struct libscols_column *cl, const char *data);
extern int scols_line_refer_column_data(struct libscols_line *ln, struct libscols_column *cl, char *data); extern int scols_line_refer_column_data(struct libscols_line *ln, struct libscols_column *cl, char *data);
extern struct libscols_line *scols_copy_line(struct libscols_line *ln); extern struct libscols_line *scols_copy_line(const struct libscols_line *ln);
/* table */ /* table */
extern int scols_table_colors_wanted(struct libscols_table *tb); extern int scols_table_colors_wanted(const struct libscols_table *tb);
extern int scols_table_set_name(struct libscols_table *tb, const char *name); extern int scols_table_set_name(struct libscols_table *tb, const char *name);
extern struct libscols_cell *scols_table_get_title(struct libscols_table *tb); extern struct libscols_cell *scols_table_get_title(struct libscols_table *tb);
extern int scols_table_is_raw(struct libscols_table *tb); extern int scols_table_is_raw(const struct libscols_table *tb);
extern int scols_table_is_ascii(struct libscols_table *tb); extern int scols_table_is_ascii(const struct libscols_table *tb);
extern int scols_table_is_json(struct libscols_table *tb); extern int scols_table_is_json(const struct libscols_table *tb);
extern int scols_table_is_noheadings(struct libscols_table *tb); extern int scols_table_is_noheadings(const struct libscols_table *tb);
extern int scols_table_is_empty(struct libscols_table *tb); extern int scols_table_is_empty(const struct libscols_table *tb);
extern int scols_table_is_export(struct libscols_table *tb); extern int scols_table_is_export(const struct libscols_table *tb);
extern int scols_table_is_maxout(struct libscols_table *tb); extern int scols_table_is_maxout(const struct libscols_table *tb);
extern int scols_table_is_tree(struct libscols_table *tb); extern int scols_table_is_tree(const struct libscols_table *tb);
extern int scols_table_enable_colors(struct libscols_table *tb, int enable); extern int scols_table_enable_colors(struct libscols_table *tb, int enable);
extern int scols_table_enable_raw(struct libscols_table *tb, int enable); extern int scols_table_enable_raw(struct libscols_table *tb, int enable);
@ -226,10 +226,10 @@ extern int scols_table_remove_column(struct libscols_table *tb, struct libscols_
extern int scols_table_remove_columns(struct libscols_table *tb); extern int scols_table_remove_columns(struct libscols_table *tb);
extern struct libscols_column *scols_table_new_column(struct libscols_table *tb, const char *name, double whint, int flags); extern struct libscols_column *scols_table_new_column(struct libscols_table *tb, const char *name, double whint, int flags);
extern int scols_table_next_column(struct libscols_table *tb, struct libscols_iter *itr, struct libscols_column **cl); extern int scols_table_next_column(struct libscols_table *tb, struct libscols_iter *itr, struct libscols_column **cl);
extern const char *scols_table_get_column_separator(struct libscols_table *tb); extern const char *scols_table_get_column_separator(const struct libscols_table *tb);
extern const char *scols_table_get_line_separator(struct libscols_table *tb); extern const char *scols_table_get_line_separator(const struct libscols_table *tb);
extern size_t scols_table_get_ncols(struct libscols_table *tb); extern size_t scols_table_get_ncols(const struct libscols_table *tb);
extern size_t scols_table_get_nlines(struct libscols_table *tb); extern size_t scols_table_get_nlines(const struct libscols_table *tb);
extern struct libscols_column *scols_table_get_column(struct libscols_table *tb, size_t n); extern struct libscols_column *scols_table_get_column(struct libscols_table *tb, size_t n);
extern int scols_table_add_line(struct libscols_table *tb, struct libscols_line *ln); extern int scols_table_add_line(struct libscols_table *tb, struct libscols_line *ln);
extern int scols_table_remove_line(struct libscols_table *tb, struct libscols_line *ln); extern int scols_table_remove_line(struct libscols_table *tb, struct libscols_line *ln);
@ -241,7 +241,7 @@ extern struct libscols_table *scols_copy_table(struct libscols_table *tb);
extern int scols_table_set_symbols(struct libscols_table *tb, struct libscols_symbols *sy); extern int scols_table_set_symbols(struct libscols_table *tb, struct libscols_symbols *sy);
extern int scols_table_set_stream(struct libscols_table *tb, FILE *stream); extern int scols_table_set_stream(struct libscols_table *tb, FILE *stream);
extern FILE *scols_table_get_stream(struct libscols_table *tb); extern FILE *scols_table_get_stream(const struct libscols_table *tb);
extern int scols_table_reduce_termwidth(struct libscols_table *tb, size_t reduce); extern int scols_table_reduce_termwidth(struct libscols_table *tb, size_t reduce);
extern int scols_sort_table(struct libscols_table *tb, struct libscols_column *cl); extern int scols_sort_table(struct libscols_table *tb, struct libscols_column *cl);
@ -255,7 +255,7 @@ enum {
SCOLS_TERMFORCE_ALWAYS SCOLS_TERMFORCE_ALWAYS
}; };
extern int scols_table_set_termforce(struct libscols_table *tb, int force); extern int scols_table_set_termforce(struct libscols_table *tb, int force);
extern int scols_table_get_termforce(struct libscols_table *tb); extern int scols_table_get_termforce(const struct libscols_table *tb);
extern int scols_table_set_termwidth(struct libscols_table *tb, size_t width); extern int scols_table_set_termwidth(struct libscols_table *tb, size_t width);
extern size_t scols_table_get_termwidth(struct libscols_table *tb); extern size_t scols_table_get_termwidth(struct libscols_table *tb);

9
libsmartcols/src/line.c
View File

@ -71,7 +71,6 @@ void scols_ref_line(struct libscols_line *ln)
*/ */
void scols_unref_line(struct libscols_line *ln) void scols_unref_line(struct libscols_line *ln)
{ {
if (ln && --ln->refcount <= 0) { if (ln && --ln->refcount <= 0) {
DBG(CELL, ul_debugobj(ln, "dealloc")); DBG(CELL, ul_debugobj(ln, "dealloc"));
list_del(&ln->ln_lines); list_del(&ln->ln_lines);
@ -235,7 +234,7 @@ int scols_line_add_child(struct libscols_line *ln, struct libscols_line *child)
* *
* Returns: a pointer to @ln's parent, NULL in case it has no parent or if there was an error. * Returns: a pointer to @ln's parent, NULL in case it has no parent or if there was an error.
*/ */
struct libscols_line *scols_line_get_parent(struct libscols_line *ln) struct libscols_line *scols_line_get_parent(const struct libscols_line *ln)
{ {
return ln ? ln->parent : NULL; return ln ? ln->parent : NULL;
} }
@ -304,7 +303,7 @@ int scols_line_set_color(struct libscols_line *ln, const char *co)
* *
* Returns: @ln's color string, NULL in case of an error. * Returns: @ln's color string, NULL in case of an error.
*/ */
const char *scols_line_get_color(struct libscols_line *ln) const char *scols_line_get_color(const struct libscols_line *ln)
{ {
return ln->color; return ln->color;
} }
@ -315,7 +314,7 @@ const char *scols_line_get_color(struct libscols_line *ln)
* *
* Returns: number of cells * Returns: number of cells
*/ */
size_t scols_line_get_ncells(struct libscols_line *ln) size_t scols_line_get_ncells(const struct libscols_line *ln)
{ {
return ln->ncells; return ln->ncells;
} }
@ -432,7 +431,7 @@ int scols_line_refer_column_data(struct libscols_line *ln,
* *
* Returns: A newly allocated copy of @ln, NULL in case of an error. * Returns: A newly allocated copy of @ln, NULL in case of an error.
*/ */
struct libscols_line *scols_copy_line(struct libscols_line *ln) struct libscols_line *scols_copy_line(const struct libscols_line *ln)
{ {
struct libscols_line *ret; struct libscols_line *ret;
size_t i; size_t i;

2
libsmartcols/src/smartcolsP.h
View File

@ -184,7 +184,7 @@ struct libscols_table {
} while(0) } while(0)
static inline int scols_iter_is_last(struct libscols_iter *itr) static inline int scols_iter_is_last(const struct libscols_iter *itr)
{ {
if (!itr || !itr->head || !itr->p) if (!itr || !itr->head || !itr->p)
return 0; return 0;

1
libsmartcols/src/symbols.c
View File

@ -170,5 +170,4 @@ struct libscols_symbols *scols_copy_symbols(const struct libscols_symbols *sy)
scols_unref_symbols(ret); scols_unref_symbols(ret);
return NULL; return NULL;
} }

38
libsmartcols/src/table.c
View File

@ -112,7 +112,6 @@ void scols_unref_table(struct libscols_table *tb)
} }
} }
/** /**
* scols_table_set_name: * scols_table_set_name:
* @tb: a pointer to a struct libscols_table instance * @tb: a pointer to a struct libscols_table instance
@ -227,7 +226,6 @@ int scols_table_remove_columns(struct libscols_table *tb)
return 0; return 0;
} }
/** /**
* scols_table_new_column: * scols_table_new_column:
* @tb: table * @tb: table
@ -331,14 +329,13 @@ int scols_table_next_column(struct libscols_table *tb,
return rc; return rc;
} }
/** /**
* scols_table_get_ncols: * scols_table_get_ncols:
* @tb: table * @tb: table
* *
* Returns: the ncols table member * Returns: the ncols table member.
*/ */
size_t scols_table_get_ncols(struct libscols_table *tb) size_t scols_table_get_ncols(const struct libscols_table *tb)
{ {
return tb->ncols; return tb->ncols;
} }
@ -347,9 +344,9 @@ size_t scols_table_get_ncols(struct libscols_table *tb)
* scols_table_get_nlines: * scols_table_get_nlines:
* @tb: table * @tb: table
* *
* Returns: the nlines table member, a negative number in case of an error. * Returns: the nlines table member.
*/ */
size_t scols_table_get_nlines(struct libscols_table *tb) size_t scols_table_get_nlines(const struct libscols_table *tb)
{ {
return tb->nlines; return tb->nlines;
} }
@ -382,7 +379,7 @@ int scols_table_set_stream(struct libscols_table *tb, FILE *stream)
* *
* Returns: stream pointer, NULL in case of an error or an unset stream. * Returns: stream pointer, NULL in case of an error or an unset stream.
*/ */
FILE *scols_table_get_stream(struct libscols_table *tb) FILE *scols_table_get_stream(const struct libscols_table *tb)
{ {
return tb->out; return tb->out;
} }
@ -916,7 +913,7 @@ int scols_table_enable_nowrap(struct libscols_table *tb, int enable)
* *
* Returns: 1 if colors are enabled. * Returns: 1 if colors are enabled.
*/ */
int scols_table_colors_wanted(struct libscols_table *tb) int scols_table_colors_wanted(const struct libscols_table *tb)
{ {
return tb->colors_wanted; return tb->colors_wanted;
} }
@ -927,7 +924,7 @@ int scols_table_colors_wanted(struct libscols_table *tb)
* *
* Returns: 1 if the table is empty. * Returns: 1 if the table is empty.
*/ */
int scols_table_is_empty(struct libscols_table *tb) int scols_table_is_empty(const struct libscols_table *tb)
{ {
return !tb->nlines; return !tb->nlines;
} }
@ -938,7 +935,7 @@ int scols_table_is_empty(struct libscols_table *tb)
* *
* Returns: 1 if ASCII tree is enabled. * Returns: 1 if ASCII tree is enabled.
*/ */
int scols_table_is_ascii(struct libscols_table *tb) int scols_table_is_ascii(const struct libscols_table *tb)
{ {
return tb->ascii; return tb->ascii;
} }
@ -949,7 +946,7 @@ int scols_table_is_ascii(struct libscols_table *tb)
* *
* Returns: 1 if header output is disabled. * Returns: 1 if header output is disabled.
*/ */
int scols_table_is_noheadings(struct libscols_table *tb) int scols_table_is_noheadings(const struct libscols_table *tb)
{ {
return tb->no_headings; return tb->no_headings;
} }
@ -960,7 +957,7 @@ int scols_table_is_noheadings(struct libscols_table *tb)
* *
* Returns: 1 if export output format is enabled. * Returns: 1 if export output format is enabled.
*/ */
int scols_table_is_export(struct libscols_table *tb) int scols_table_is_export(const struct libscols_table *tb)
{ {
return tb->format == SCOLS_FMT_EXPORT; return tb->format == SCOLS_FMT_EXPORT;
} }
@ -971,7 +968,7 @@ int scols_table_is_export(struct libscols_table *tb)
* *
* Returns: 1 if raw output format is enabled. * Returns: 1 if raw output format is enabled.
*/ */
int scols_table_is_raw(struct libscols_table *tb) int scols_table_is_raw(const struct libscols_table *tb)
{ {
return tb->format == SCOLS_FMT_RAW; return tb->format == SCOLS_FMT_RAW;
} }
@ -984,19 +981,18 @@ int scols_table_is_raw(struct libscols_table *tb)
* *
* Since: 2.27 * Since: 2.27
*/ */
int scols_table_is_json(struct libscols_table *tb) int scols_table_is_json(const struct libscols_table *tb)
{ {
return tb->format == SCOLS_FMT_JSON; return tb->format == SCOLS_FMT_JSON;
} }
/** /**
* scols_table_is_maxout * scols_table_is_maxout
* @tb: table * @tb: table
* *
* Returns: 1 if output maximization is enabled or 0 * Returns: 1 if output maximization is enabled or 0
*/ */
int scols_table_is_maxout(struct libscols_table *tb) int scols_table_is_maxout(const struct libscols_table *tb)
{ {
return tb->maxout; return tb->maxout;
} }
@ -1007,7 +1003,7 @@ int scols_table_is_maxout(struct libscols_table *tb)
* *
* Returns: returns 1 tree-like output is expected. * Returns: returns 1 tree-like output is expected.
*/ */
int scols_table_is_tree(struct libscols_table *tb) int scols_table_is_tree(const struct libscols_table *tb)
{ {
return tb->ntreecols > 0; return tb->ntreecols > 0;
} }
@ -1047,7 +1043,7 @@ int scols_table_set_line_separator(struct libscols_table *tb, const char *sep)
* *
* Returns: @tb column separator, NULL in case of an error * Returns: @tb column separator, NULL in case of an error
*/ */
const char *scols_table_get_column_separator(struct libscols_table *tb) const char *scols_table_get_column_separator(const struct libscols_table *tb)
{ {
return tb->colsep; return tb->colsep;
} }
@ -1058,7 +1054,7 @@ const char *scols_table_get_column_separator(struct libscols_table *tb)
* *
* Returns: @tb line separator, NULL in case of an error * Returns: @tb line separator, NULL in case of an error
*/ */
const char *scols_table_get_line_separator(struct libscols_table *tb) const char *scols_table_get_line_separator(const struct libscols_table *tb)
{ {
return tb->linesep; return tb->linesep;
} }
@ -1124,7 +1120,7 @@ int scols_table_set_termforce(struct libscols_table *tb, int force)
* *
* Returns: SCOLS_TERMFORCE_{NEVER,ALWAYS,AUTO} or a negative value in case of an error. * Returns: SCOLS_TERMFORCE_{NEVER,ALWAYS,AUTO} or a negative value in case of an error.
*/ */
int scols_table_get_termforce(struct libscols_table *tb) int scols_table_get_termforce(const struct libscols_table *tb)
{ {
return tb->termforce; return tb->termforce;
} }