diff options
| -rw-r--r-- | lib/lib.c | 40 |
1 files changed, 34 insertions, 6 deletions
@@ -712,9 +712,6 @@ char *xreadlink(char *name) } } -/* - This might be of use or might not. Unknown yet... - // Read contents of file as a single freshly allocated nul-terminated string. char *readfile(char *name) { @@ -738,9 +735,6 @@ char *xreadfile(char *name) return buf; } -*/ - - // Sleep for this many thousandths of a second void msleep(long miliseconds) { @@ -762,6 +756,40 @@ int xioctl(int fd, int request, void *data) return rc; } +int64_t peek(void *ptr, int size) +{ + if (size & 8) { + int64_t *p = (int64_t *)ptr; + return *p; + } else if (size & 4) { + int *p = (int *)ptr; + return *p; + } else if (size & 2) { + short *p = (short *)ptr; + return *p; + } else { + char *p = (char *)ptr; + return *p; + } +} + +void poke(void *ptr, uint64_t val, int size) +{ + if (size & 8) { + uint64_t *p = (uint64_t *)ptr; + *p = val; + } else if (size & 4) { + int *p = (int *)ptr; + *p = val; + } else if (size & 2) { + short *p = (short *)ptr; + *p = val; + } else { + char *p = (char *)ptr; + *p = val; + } +} + // Open a /var/run/NAME.pid file, dying if we can't write it or if it currently // exists and is this executable. void xpidfile(char *name) |