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author | Mystery Man <unknown@mandriva.org> | 2005-04-05 19:41:54 +0000 |
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committer | Mystery Man <unknown@mandriva.org> | 2005-04-05 19:41:54 +0000 |
commit | 1d9a4b73a37c6e942f909c2d42ca13b5c47e8362 (patch) | |
tree | 5bab4266bc57a31d97ac6a8badc2ede721a42c9c /mdk-stage1/minilibc.c | |
parent | 4691e29d1228b10abbe586c5ecb87ec9e13bd3ec (diff) | |
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This commit was manufactured by cvs2svn to create tag 'V10_2_20mdk'.V10_2_20mdk
Diffstat (limited to 'mdk-stage1/minilibc.c')
-rw-r--r-- | mdk-stage1/minilibc.c | 317 |
1 files changed, 0 insertions, 317 deletions
diff --git a/mdk-stage1/minilibc.c b/mdk-stage1/minilibc.c deleted file mode 100644 index 7388c527c..000000000 --- a/mdk-stage1/minilibc.c +++ /dev/null @@ -1,317 +0,0 @@ -/* - * Guillaume Cottenceau (gc@mandrakesoft.com) - * - * Copyright 2000 Mandrakesoft - * - * This software may be freely redistributed under the terms of the GNU - * public license. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - * - */ - -/* - * Portions from Erik Troan (ewt@redhat.com) - * - * Copyright 1996 Red Hat Software - * - */ - - -#define MINILIBC_INTERNAL - -#include "minilibc.h" - -int atexit (void (*__func) (void) __attribute__ ((unused))) -{ - return 0; -} - -void exit() -{ - _do_exit(0); - for (;;); /* Shut up gcc */ -} - - -char ** _environ = NULL; -int errno = 0; - -void _init (int __status __attribute__ ((unused))) -{ -} - -void __libc_init_first (int __status __attribute__ ((unused))) -{ -} - -void __libc_csu_fini(int __status __attribute__ ((unused))) -{ -} - -void __libc_csu_init(int __status __attribute__ ((unused))) -{ -} - - -int __libc_start_main (int (*main) (int, char **, char **), int argc, - char **argv, void (*init) (void) __attribute__ ((unused)), void (*fini) (void) __attribute__ ((unused)), - void (*rtld_fini) (void) __attribute__ ((unused)), void *stack_end __attribute__ ((unused))) -{ - exit ((*main) (argc, argv, NULL)); - /* never get here */ - return 0; -} - -void _fini (int __status __attribute__ ((unused))) -{ -} - -#ifdef __x86_64__ -/* x86-64 implementation of signal() derived from glibc sources */ - -static inline int sigemptyset(sigset_t *set) { - *set = 0; - return 0; -} - -static inline int sigaddset(sigset_t *set, int sig) { - __asm__("btsq %1,%0" : "=m" (*set) : "Ir" (sig - 1L) : "cc"); - return 0; -} - -#define __NR___rt_sigaction __NR_rt_sigaction -static inline _syscall3(int,__rt_sigaction,int,signum,const void *,act,void *,oldact) -#define __NR___rt_sigreturn __NR_rt_sigreturn -static _syscall1(int,__rt_sigreturn,unsigned long,unused) - -static void restore_rt(void) { - __rt_sigreturn(0); -} - -int sigaction(int signum, const struct sigaction *act, struct sigaction *oldact) { - struct sigaction *newact = (struct sigaction *)act; - if (act) { - newact = __builtin_alloca(sizeof(*newact)); - newact->sa_handler = act->sa_handler; - newact->sa_flags = act->sa_flags | SA_RESTORER; - newact->sa_restorer = &restore_rt; - newact->sa_mask = act->sa_mask; - } - return __rt_sigaction(signum, newact, oldact); -} - -__sighandler_t signal(int signum, __sighandler_t action) { - struct sigaction sa,oa; - sa.sa_handler=action; - sigemptyset(&sa.sa_mask); - sigaddset(&sa.sa_mask,signum); - sa.sa_flags=SA_RESTART; - if (sigaction(signum,&sa,&oa)) - return SIG_ERR; - return oa.sa_handler; -} - -#endif - -#ifdef __NR_socketcall - -int socket(int a, int b, int c) -{ - unsigned long args[] = { a, b, c }; - - return socketcall(SYS_SOCKET, args); -} - -int bind(int a, void * b, int c) -{ - unsigned long args[] = { a, (long) b, c }; - - return socketcall(SYS_BIND, args); -} - -int listen(int a, int b) -{ - unsigned long args[] = { a, b, 0 }; - - return socketcall(SYS_LISTEN, args); -} - -int accept(int a, void * addr, void * addr2) -{ - unsigned long args[] = { a, (long) addr, (long) addr2 }; - - return socketcall(SYS_ACCEPT, args); -} - -#else - -_syscall3(int,socket,int,domain,int,type,int,protocol) -_syscall3(int,bind,int,sockfd,void *,my_addr,int,addrlen) -_syscall2(int,listen,int,s,int,backlog) -_syscall3(int,accept,int,s,void *,addr,void *,addrlen) - -#endif - - -void sleep(int secs) -{ - struct timeval tv; - - tv.tv_sec = secs; - tv.tv_usec = 0; - - select(0, NULL, NULL, NULL, &tv); -} - - -int strlen(const char * string) -{ - int i = 0; - - while (*string++) i++; - - return i; -} - -char * strncpy(char * dst, const char * src, int len) -{ - char * chptr = dst; - int i = 0; - - while (*src && i < len) *dst++ = *src++, i++; - if (i < len) *dst = '\0'; - - return chptr; -} - -char * strcpy(char * dst, const char * src) -{ - char * chptr = dst; - - while (*src) *dst++ = *src++; - *dst = '\0'; - - return chptr; -} - -void * memcpy(void * dst, const void * src, size_t count) -{ - char * a = dst; - const char * b = src; - - while (count--) - *a++ = *b++; - - return dst; -} - - -int strcmp(const char * a, const char * b) -{ - int i, j; - - i = strlen(a); j = strlen(b); - if (i < j) - return -1; - else if (j < i) - return 1; - - while (*a && (*a == *b)) a++, b++; - - if (!*a) return 0; - - if (*a < *b) - return -1; - else - return 1; -} - -int strncmp(const char * a, const char * b, int len) -{ - char buf1[1000], buf2[1000]; - - strncpy(buf1, a, len); - strncpy(buf2, b, len); - buf1[len] = '\0'; - buf2[len] = '\0'; - - return strcmp(buf1, buf2); -} - -char * strchr(char * str, int ch) -{ - char * chptr; - - chptr = str; - while (*chptr) - { - if (*chptr == ch) return chptr; - chptr++; - } - - return NULL; -} - - -char * strstr(char *haystack, char *needle) -{ - char * tmp = haystack; - while ((tmp = strchr(tmp, needle[0])) != NULL) { - int i = 1; - while (i < strlen(tmp) && i < strlen(needle) && tmp[i] == needle[i]) - i++; - if (needle[i] == '\0') - return tmp; - tmp++; - } - return NULL; -} - - -/* Minimum printf which handles only characters, %d's and %s's */ -void printf(char * fmt, ...) -{ - char buf[2048]; - char * start = buf; - char * chptr = buf; - va_list args; - char * strarg; - int numarg; - - strncpy(buf, fmt, sizeof(buf)); - va_start(args, fmt); - - while (start) - { - while (*chptr != '%' && *chptr) chptr++; - - if (*chptr == '%') - { - *chptr++ = '\0'; - print_str_init(1, start); - - switch (*chptr++) - { - case 's': - strarg = va_arg(args, char *); - print_str_init(1, strarg); - break; - - case 'd': - numarg = va_arg(args, int); - print_int_init(1, numarg); - break; - } - - start = chptr; - } - else - { - print_str_init(1, start); - start = NULL; - } - } -} |