sysfs_streq

Name

sysfs_streq — return true if strings are equal, modulo trailing newline

문자열을 비교한다. 뒤에 개행이 오던 NULL이 오던 차이는 관계없다.

Synopsis

bool sysfs_streq (	const char * s1,
	const char * s2);

 

Arguments

const char * s1

one string

const char * s2

another string

/** * sysfs_streq - return true if strings are equal, modulo trailing newline * @s1: one string * @s2: another string * * This routine returns true iff two strings are equal, treating both * NUL and newline-then-NUL as equivalent string terminations. It's * geared for use with sysfs input strings, which generally terminate * with newlines but are compared against values without newlines. */ bool sysfs_streq(const char *s1, const char *s2) { while (*s1 && *s1 == *s2) { s1++; s2++; } if (*s1 == *s2) return true; if (!*s1 && *s2 == '\n' && !s2[1]) return true; if (*s1 == '\n' && !s1[1] && !*s2) return true; return false; } EXPORT_SYMBOL(sysfs_streq);