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libutil: add util_file_read_i()/util_file_read_ui()

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These functions parse a sysfs file and return either an
unsigned integer or signed integer.

Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Reviewed-by: Niklas Schnelle <schnelle@linux.ibm.com>
Acked-by: Jan Höppner <hoeppner@linux.ibm.com>
Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>
This commit is contained in:
Sven Schnelle
2020-08-13 13:09:35 +02:00
committed by Jan Höppner
parent 644432ba23
commit 37348ef662
2 changed files with 78 additions and 0 deletions
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include/lib/util_file.h
+2
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@@ -12,8 +12,10 @@
#define LIB_UTIL_FILE_H
int util_file_read_line(char *str, size_t size, const char *fmt, ...);
int util_file_read_i(int *val, int base, const char *fmt, ...);
int util_file_read_l(long *val, int base, const char *fmt, ...);
int util_file_read_ll(long long *val, int base, const char *fmt, ...);
int util_file_read_ui(unsigned int *val, int base, const char *fmt, ...);
int util_file_read_ul(unsigned long *val, int base, const char *fmt, ...);
int util_file_read_ull(unsigned long long *val, int base, const char *fmt, ...);