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core: Move __getcwd_buf to Mes C Library. 

* include/mes/mes.h (__getcwd_buf): Move to..
* lib/posix/getcwd.c (__getcwd_buf): ...here.
(getcwd): Refactor.
* src/posix.c (getcwd_): Do not use __getcwd_buf.
This commit is contained in:
Jan (janneke) Nieuwenhuizen 2021-01-01 15:43:43 +01:00
parent 7e1e54f47b
commit b6e5bec406
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GPG Key ID: F3C1A0D9C1D65273
4 changed files with 11 additions and 10 deletions
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1
include/mes/mes.h
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@ -100,7 +100,6 @@ struct timespec *gc_end_time;
size_t gc_time; size_t gc_time;
char **__execl_c_argv; char **__execl_c_argv;
char *__getcwd_buf;
char *__open_boot_buf; char *__open_boot_buf;
char *__open_boot_file_name; char *__open_boot_file_name;
char *__setenv_buf; char *__setenv_buf;

16
lib/posix/getcwd.c
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@ -26,13 +26,17 @@
// CONSTANT PATH_MAX 1024 // CONSTANT PATH_MAX 1024
char *__getcwd_buf;
char * char *
getcwd (char *buffer, int size) getcwd (char *buffer, int size)
{ {
if (__getcwd_buf == 0) if (buffer == 0)
__getcwd_buf = malloc (PATH_MAX); buffer = __getcwd_buf;
char *buf = __getcwd_buf; if (buffer == 0)
if (buffer != 0) {
return _getcwd (buffer, size); __getcwd_buf = malloc (PATH_MAX);
return _getcwd (buf, PATH_MAX); buffer = __getcwd_buf;
}
return _getcwd (buffer, size);
} }

1
src/mes.c
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@ -161,7 +161,6 @@ init (char **envp)
{ {
environ = envp; environ = envp;
__execl_c_argv = malloc (1024 * sizeof (char *)); /* POSIX minimum: 4096 */ __execl_c_argv = malloc (1024 * sizeof (char *)); /* POSIX minimum: 4096 */
__getcwd_buf = malloc (PATH_MAX);
__gettimeofday_time = malloc (sizeof (struct timeval)); __gettimeofday_time = malloc (sizeof (struct timeval));
__get_internal_run_time_ts = malloc (sizeof (struct timespec)); __get_internal_run_time_ts = malloc (sizeof (struct timespec));
__open_boot_buf = malloc (PATH_MAX); __open_boot_buf = malloc (PATH_MAX);

3
src/posix.c
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@ -416,8 +416,7 @@ get_internal_run_time ()
struct scm * struct scm *
getcwd_ () /*:((name . "getcwd")) */ getcwd_ () /*:((name . "getcwd")) */
{ {
char *buf = __getcwd_buf; return make_string0 (getcwd (0, PATH_MAX));
return make_string0 (getcwd (buf, PATH_MAX));
} }
struct scm * struct scm *