diff options
Diffstat (limited to 'loader/dietstubs.c')
| -rw-r--r-- | loader/dietstubs.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/loader/dietstubs.c b/loader/dietstubs.c new file mode 100644 index 000000000..385afecf2 --- /dev/null +++ b/loader/dietstubs.c @@ -0,0 +1,162 @@ +#include <errno.h> +#include <stdlib.h> +#include <string.h> +#include <stdio.h> +#include <setjmp.h> +#include <ctype.h> +#include <stdarg.h> + +struct glibc_stat { + long long st_dev; + unsigned short int __pad1; + long st_ino; + int st_mode; + int st_nlink; + int st_uid; + int st_gid; + long long st_rdev; + unsigned short int __pad2; + long st_size; + long st_blksize; + long st_blocks; + long st_atime; + unsigned long int __unused1; + long st_mtime; + unsigned long int __unused2; + long st_ctime; + unsigned long int __unused3; + unsigned long int __unused4; + unsigned long int __unused5; +}; + +static void stat_copy(struct stat * from, struct glibc_stat * to) { + to->st_dev = from->st_dev; + to->st_ino = from->st_ino; + to->st_mode = from->st_mode; + to->st_nlink = from->st_nlink; + to->st_uid = from->st_uid; + to->st_gid = from->st_gid; + to->st_rdev = from->st_rdev; + to->st_size = from->st_size; + to->st_blksize = from->st_blksize; + to->st_blocks = from->st_blocks; + to->st_atime = from->st_atime; + to->st_mtime = from->st_mtime; + to->st_ctime = from->st_ctime; +} + +int __xstat (int __ver, __const char *__filename, struct glibc_stat * sb) { + struct stat s; + int rc = stat(__filename, &s); + + if (!rc) stat_copy(&s, sb); + + return rc; +} + +int __lxstat (int __ver, __const char *__filename, struct glibc_stat * sb) { + struct stat s; + int rc = lstat(__filename, &s); + + if (!rc) stat_copy(&s, sb); + + return rc; +} + +int __fxstat (int __ver, int fd, struct glibc_stat * sb) { + struct stat s; + int rc = fstat(fd, &s); + + if (!rc) stat_copy(&s, sb); + + return rc; +} + +extern double strtod (__const char * __nptr, char ** __endptr); + +double __strtod_internal (__const char *__restrict __nptr, + char **__restrict __endptr, int __group) { + return strtod(__nptr, __endptr); +} + + +long int __strtol_internal(const char * nptr, char ** endptr, + int base, int group) { + return strtol(nptr, endptr, base); +} + +unsigned long int __strtoul_internal (__const char *__restrict __nptr, + char **__restrict __endptr, + int __base, int __group) __THROW { + return strtoul(__nptr, __endptr, __base); +} + +char * __strdup(const char * s) { + return strdup(s); +} + +void __assert_fail (__const char *__assertion, __const char *__file, + unsigned int __line, __const char *__function) { + fprintf(stderr, "%s:%d assertion failed in %s()\n", + __file, __line, __function); + abort(); +} + +long long llseek(int fd, long long offest, int whence); + +long long lseek64(int fd, long long offset, int whence) { + return llseek(fd, offset, whence); +} + +int _setjmp(jmp_buf buf) { + return setjmp(buf); +} + +char * strcasestr(char * haystack1, char * needle1) { + char * haystack = strdup(haystack1); + char * needle = strdup(needle1); + char * chptr; + + for (chptr = haystack; *chptr; chptr++) *chptr = toupper(*chptr); + for (chptr = needle; *chptr; chptr++) *chptr = toupper(*chptr); + + chptr = strstr(needle, haystack); + if (!chptr) return NULL; + + return (chptr - haystack) + haystack1; +} + +int _IO_putc(char c, void * f) { + return putc(c, f); +} + +int _IO_getc(void * f) { + return getc(f); +} + +int __xmknod (int __ver, const char * path, unsigned int mode, + long long * dev) { + return mknod(path, mode, *dev); +} + + +/* this should print the name of the app, but how? probably in a global + somewhere (like env is) */ +void warn(char * format, ...) { + va_list args; + int err = errno; + + va_start(args, format); + + fprintf(stderr, "warning: "); + vfprintf(stderr, format, args); + fprintf(stderr, ": %s\n", strerror(err)); + + va_end(args); + + errno = err; +} + +int pwrite(int fd, const void *buf, size_t count, off_t offset) { + return __pwrite(fd, buf, count, offset); +} |