diff options
Diffstat (limited to 'tools/lib')
-rw-r--r-- | tools/lib/api/fs/fs.c | 29 | ||||
-rw-r--r-- | tools/lib/api/fs/fs.h | 1 | ||||
-rw-r--r-- | tools/lib/subcmd/help.h | 1 | ||||
-rw-r--r-- | tools/lib/symbol/kallsyms.c | 1 |
4 files changed, 32 insertions, 0 deletions
diff --git a/tools/lib/api/fs/fs.c b/tools/lib/api/fs/fs.c index 4b6bfc43cccf..809c7721cd24 100644 --- a/tools/lib/api/fs/fs.c +++ b/tools/lib/api/fs/fs.c @@ -439,6 +439,35 @@ int sysfs__read_str(const char *entry, char **buf, size_t *sizep) return filename__read_str(path, buf, sizep); } +int sysfs__read_bool(const char *entry, bool *value) +{ + char *buf; + size_t size; + int ret; + + ret = sysfs__read_str(entry, &buf, &size); + if (ret < 0) + return ret; + + switch (buf[0]) { + case '1': + case 'y': + case 'Y': + *value = true; + break; + case '0': + case 'n': + case 'N': + *value = false; + break; + default: + ret = -1; + } + + free(buf); + + return ret; +} int sysctl__read_int(const char *sysctl, int *value) { char path[PATH_MAX]; diff --git a/tools/lib/api/fs/fs.h b/tools/lib/api/fs/fs.h index 6b332dc74498..956c21127d1e 100644 --- a/tools/lib/api/fs/fs.h +++ b/tools/lib/api/fs/fs.h @@ -37,4 +37,5 @@ int sysctl__read_int(const char *sysctl, int *value); int sysfs__read_int(const char *entry, int *value); int sysfs__read_ull(const char *entry, unsigned long long *value); int sysfs__read_str(const char *entry, char **buf, size_t *sizep); +int sysfs__read_bool(const char *entry, bool *value); #endif /* __API_FS__ */ diff --git a/tools/lib/subcmd/help.h b/tools/lib/subcmd/help.h index e145a020780c..9bd4223dc722 100644 --- a/tools/lib/subcmd/help.h +++ b/tools/lib/subcmd/help.h @@ -2,6 +2,7 @@ #define __SUBCMD_HELP_H #include <sys/types.h> +#include <stdio.h> struct cmdnames { size_t alloc; diff --git a/tools/lib/symbol/kallsyms.c b/tools/lib/symbol/kallsyms.c index 5e431077fcd6..d270ac00613d 100644 --- a/tools/lib/symbol/kallsyms.c +++ b/tools/lib/symbol/kallsyms.c @@ -1,3 +1,4 @@ +#include <ctype.h> #include "symbol/kallsyms.h" #include <stdio.h> #include <stdlib.h> |