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Cast to unsigned char when using ctype macros

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This commit is contained in:
Andrea Mazzoleni 2026-05-21 00:03:49 +02:00
parent 836480951e
commit 88a6dd1e81
2 changed files with 12 additions and 12 deletions
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10
cmdline/support.c
View file

@ -871,7 +871,7 @@ char* strpolish(char* s)
char* i = s;
while (*i) {
if (isspace(*i) || !isprint(*i))
if (isspace((unsigned char)*i) || !isprint((unsigned char)*i))
*i = ' ';
++i;
}
@ -1180,7 +1180,7 @@ int mkancestor(const char* file)
#ifdef _WIN32
/* if it's a drive specification like "C:" */
if (isalpha(dir[0]) && dir[1] == ':' && dir[2] == 0) {
if (isalpha((unsigned char)dir[0]) && dir[1] == ':' && dir[2] == 0) {
/* nothing more to do */
return 0;
}
@ -1799,9 +1799,9 @@ char* strdup_nofail(const char* str)
static int smatch(const char* str, const char* pattern)
{
while (*pattern) {
if (isspace(*pattern)) {
if (isspace((unsigned char)*pattern)) {
++pattern;
while (isspace(*str))
while (isspace((unsigned char)*str))
++str;
} else if (*pattern == *str) {
++pattern;
@ -1961,7 +1961,7 @@ int smartctl_attribute(FILE* f, const char* file, const char* name, struct smart
log_tag("smartctl:%s:%s:out: %s\n", file, name, s);
/* skip initial spaces */
while (isspace(*s))
while (isspace((unsigned char)*s))
++s;
if (*s == 0) {

14
cmdline/unix.c
View file

@ -609,7 +609,7 @@ static int tagread(const char* path, const char* tag, char* value, size_t value_
/* start with a space */
if (p != buf) {
if (!isspace(*p))
if (!isspace((unsigned char)*p))
continue;
++p;
}
@ -636,7 +636,7 @@ static int tagread(const char* path, const char* tag, char* value, size_t value_
/* terminate at the first space */
e = i;
while (*e != 0 && !isspace(*e))
while (*e != 0 && !isspace((unsigned char)*e))
++e;
*e = 0;
@ -1533,7 +1533,7 @@ static dev_t devread(const char* path)
}
mi = strtoul(e + 1, &e, 10);
if (*e != 0 && !isspace(*e)) {
if (*e != 0 && !isspace((unsigned char)*e)) {
/* LCOV_EXCL_START */
log_fatal(EEXTERNAL, "Invalid format in '%s' for '%s'.\n", path, buf);
return 0;
@ -1675,17 +1675,17 @@ static int devstat(dev_t device, uint64_t* count)
unsigned long long v;
/* skip spaces */
while (*i && isspace(*i))
while (*i && isspace((unsigned char)*i))
++i;
/* read digits */
n = i;
while (*i && isdigit(*i))
while (*i && isdigit((unsigned char)*i))
++i;
if (i == n) /* if no digit, abort */
break;
if (*i == 0 || !isspace(*i)) /* if no space, abort */
if (*i == 0 || !isspace((unsigned char)*i)) /* if no space, abort */
break;
*i++ = 0; /* put a terminator */
@ -2617,7 +2617,7 @@ int ambient_temperature(void)
continue;
temp = strtol(value, &e, 10) / 1000;
if (*e != 0 && !isspace(*e))
if (*e != 0 && !isspace((unsigned char)*e))
continue;
/* cut the file name at "_input" */