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| author | Ulrich Drepper <drepper@redhat.com> | 2001-08-11 08:57:41 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2001-08-11 08:57:41 +0000 |
| commit | 67c94753e3f2ec372483cd41fbcc1bcdc04053fb (patch) | |
| tree | 253f8967708078bd2fc0f24dcdae28d14f47e668 /sysdeps/generic/dl-environ.c | |
| parent | 6ae9b99ef23691204c5e1e8128425f1a78465a4f (diff) | |
| download | glibc-67c94753e3f2ec372483cd41fbcc1bcdc04053fb.tar.gz glibc-67c94753e3f2ec372483cd41fbcc1bcdc04053fb.tar.xz glibc-67c94753e3f2ec372483cd41fbcc1bcdc04053fb.zip | |
Update.
2001-08-11 Ulrich Drepper <drepper@redhat.com> * malloc/malloc.c (ptmalloc_init): Don't call getenv five times. Instead use new function next_env_entry which iterates over the environment once. * sysdeps/arm/dl-machine.h (elf_machine_runtime_setup): Only set _dl_profile_map for the right object. * elf/dl-reloc.c (_dl_relocate_object): Allocate l_reloc_result only if consider_profiling is != 0, not if _dl_profile != NULL. * sysdeps/generic/dl-environ.c (_dl_next_ld_env_entry): Optimize a bit. Now returns pointer to first character set "LD_". * elf/rtld.c (process_envvars): Adjust for change above. * sysdeps/unix/sysv/linux/dl-librecon.h (EXTRA_LD_ENVVARS): Likewise. * sysdeps/unix/sysv/linux/i386/dl-librecon.h (EXTRA_LD_ENVVARS): Likewise. 2001-08-10 Wolfram Gloger <wg@malloc.de> * malloc/malloc.c (grow_heap): Use mmap() rather than mprotect() to allocate new memory, for better performance with Linux-2.4.x.
Diffstat (limited to 'sysdeps/generic/dl-environ.c')
| -rw-r--r-- | sysdeps/generic/dl-environ.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/sysdeps/generic/dl-environ.c b/sysdeps/generic/dl-environ.c index 26ddf922f3..9b317548ec 100644 --- a/sysdeps/generic/dl-environ.c +++ b/sysdeps/generic/dl-environ.c @@ -1,5 +1,5 @@ /* Environment handling for dynamic loader. - Copyright (C) 1995, 1996, 1997, 1998, 2000 Free Software Foundation, Inc. + Copyright (C) 1995-1998, 2000, 2001 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -32,21 +32,22 @@ _dl_next_ld_env_entry (char ***position) char **current = *position; char *result = NULL; - if (current == NULL) - /* We start over. */ - current = _environ; - - while (result == NULL && *current != NULL) + while (*current != NULL) { - if ((*current)[0] == 'L' && (*current)[1] == 'D' && (*current)[2] == '_') - result = *current; + if (__builtin_expect ((*current)[0] == 'L', 0) + && (*current)[1] == 'D' && (*current)[2] == '_') + { + result = &(*current)[3]; + + /* Save current position for next visit. */ + *position = ++current; + + break; + } ++current; } - /* Save current position for next visit. */ - *position = current; - return result; } |