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Drath Vader
2026-05-11 12:14:13 +00:00
parent ffc1d55fde
commit 8ff87d2600
1 changed files with 2 additions and 3 deletions
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src/utils.c
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@@ -56,18 +56,17 @@ int get_hwmon_dir(char *path, const size_t bufsz) {
return -1; return -1;
} }
/* instead of building the path here we could build it once in *_detect funcs for each sensor, but thats a lot of paths damn /* instead of building the path here we could build it once in *_detect funcs for each sensor, but thats a lot of paths damn
* actual slowdown is in the syscalls anyway, open(), read(), close () */ * actual slowdown is in the syscalls anyway, open(), read(), close () */
/* read n bytes from path into buffer */ /* read n bytes from path into buffer */
inline size_t read_file(const char *dir, const char *file, char *buffer, const size_t n) { inline size_t read_file(const char *dir, const char *file, char *buffer, const size_t n) {
char path[192]; // bug alert char path[160]; // bug alert
char *nt = stpcpy(path, dir); // nt is a pointer to the null terminator of the copied string char *nt = stpcpy(path, dir); // nt is a pointer to the null terminator of the copied string
stpcpy(nt, file); // write at the null terminator address, aka append to the end stpcpy(nt, file); // write at the null terminator address, aka append to the end
const int fd = open(path, O_RDONLY | O_CLOEXEC); const int fd = open(path, O_RDONLY | O_CLOEXEC);
if (fd < 0) { if (fd < 0) {
if (buffer != NULL) if (buffer != NULL) // if its null means we're just checking if it exists at all, so dont log it
applog(LOG_ERR, "Error reading %s", path); applog(LOG_ERR, "Error reading %s", path);
return 0; return 0;
} }