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Explicitly set errno to 0 before calling strto*.

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Suggested by:	mjg
MFC after:	2 weeks
This commit is contained in:
Xin LI 2014-09-25 22:47:19 +00:00
parent 9e4ed37219
commit 4b8740cd0a
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=272145
1 changed files with 3 additions and 0 deletions
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3
sbin/sysctl/sysctl.c
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@ -294,6 +294,8 @@ parse(const char *string, int lineno)
} }
} }
errno = 0;
switch (kind & CTLTYPE) { switch (kind & CTLTYPE) {
case CTLTYPE_INT: case CTLTYPE_INT:
if (strcmp(fmt, "IK") == 0) { if (strcmp(fmt, "IK") == 0) {
@ -673,6 +675,7 @@ set_IK(const char *str, int *val)
if ((len = strlen(str)) == 0) if ((len = strlen(str)) == 0)
return (0); return (0);
p = &str[len - 1]; p = &str[len - 1];
errno = 0;
if (*p == 'C' || *p == 'F') { if (*p == 'C' || *p == 'F') {
temp = strtof(str, &endptr); temp = strtof(str, &endptr);
if (errno != 0 || endptr == str || if (errno != 0 || endptr == str ||