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Additional check with NULL or empty string (now same behaviour as POSIX version)

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carl 2019-03-26 00:58:14 +08:00
parent 78899705d5
commit 7973e87b2f
1 changed files with 11 additions and 1 deletions
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12
modules/src/system/basename.c
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@ -12,12 +12,22 @@ void sys_basename(char *str, register char *dst)
register char *p2 = p1; register char *p2 = p1;
register char *end; register char *end;
register char *start; register char *start;
int len;
int len = strlen(str); if ((str == NULL) || (*str == '\0'))
{
dst[0] = '.';
dst[1] = '\0';
return;
}
len = strlen(str);
/* Point to the end of the string. */ /* Point to the end of the string. */
p1 = p1 + len - 1; p1 = p1 + len - 1;
end = p1; end = p1;
while ((*p1 == '/') || (*p1 == '\\')) while ((*p1 == '/') || (*p1 == '\\'))
{ {
if (p1 == str) if (p1 == str)