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Thu Mar 14 06:01:07 1996 Roland McGrath <roland@charlie-brown.gnu.ai.mit.edu>

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* string/strnlen.c: New file.
	* string/Makefile (routines): Add strnlen.
	* string/string.h [__USE_GNU] (strnlen): Declare new function.
	[__OPTIMIZE__]: Define extern inline implementation of it.
This commit is contained in:
Roland McGrath
1996-03-14 11:20:23 +00:00
parent 52e9a9d118
commit 8d71c7b0e4
5 changed files with 59 additions and 14 deletions
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20
sysdeps/unix/sysv/linux/init-first.c
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@ -32,22 +32,18 @@ extern void __libc_global_ctors (void);
static void
init (int *data)
{
extern int __personality (int);
int argc = *data;
char **argv = (void *) (data + 1);
char **envp = &argv[argc + 1];
#ifdef __i386__
/* Make sure we are not using the iBSC2 personality. The `personality'
syscall takes one argument; zero means the Linux personality. The
argument arrives in %ebx; we have to save and restore %ebx by hand
here, because GCC (as of 2.7.0) cannot handle saving and restoring it
for us when it is the dedicated GOT register for PIC. */
asm ("pushl %%ebx\n"
"xorl %%ebx, %%ebx\n"
"int $0x80 # syscall no %0\n"
"popl %%ebx"
: : "a" (SYS_ify (personality)));
#endif
/* The `personality' system call takes one argument that chooses the
"personality", i.e. the set of system calls and such. Zero is the
native Linux value; we must make this call first thing to disable
emulation of some other system that might have been enabled by default
based on the executable format. */
__personality (0);
/* Set the FPU control word to the proper default value. */
__setfpucw (__fpu_control);