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Constify add_path and friends

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This constifies add_path, mod_path, and directory_switch.

gdb/ChangeLog
2017-11-07  Tom Tromey  <tom@tromey.com>

	* source.c (directory_switch, mod_path, add_path): Constify.
	* defs.h (add_path, mod_path, directory_switch): Constify.
	* mi/mi-cmd-env.c (env_mod_path): Constify.
This commit is contained in:
Tom Tromey 2017-10-11 17:04:29 -06:00
parent 6be9a197d9
commit 5614fb7720
4 changed files with 13 additions and 9 deletions
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6
gdb/source.c
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@ -444,7 +444,7 @@ directory_command (char *dirname, int from_tty)
This will not be quoted so we must not treat spaces as separators. */
void
directory_switch (char *dirname, int from_tty)
directory_switch (const char *dirname, int from_tty)
{
add_path (dirname, &source_path, 0);
}
@ -452,7 +452,7 @@ directory_switch (char *dirname, int from_tty)
/* Add zero or more directories to the front of an arbitrary path. */
void
mod_path (char *dirname, char **which_path)
mod_path (const char *dirname, char **which_path)
{
add_path (dirname, which_path, 1);
}
@ -464,7 +464,7 @@ mod_path (char *dirname, char **which_path)
as space or tab. */
void
add_path (char *dirname, char **which_path, int parse_separators)
add_path (const char *dirname, char **which_path, int parse_separators)
{
char *old = *which_path;
int prefix = 0;