[components] fix dtb compiling warning.

BernardXiong · mysterywolf · commit 9ffb66878bfe · 2023-04-01T12:10:23.000-04:00
diff --git a/components/drivers/fdt/src/dtb_base.c b/components/drivers/fdt/src/dtb_base.c
@@ -14,7 +14,7 @@ static const char *_parse_integer_fixup_radix(const char *s, unsigned int *base)
     {
         if (s[0] == '0')
         {
-            if (tolower(s[1]) == 'x' && isxdigit(s[2]))
+            if (tolower(s[1]) == 'x' && isxdigit((int)s[2]))
                 *base = 16;
             else
                 *base = 8;
@@ -35,7 +35,7 @@ unsigned long simple_strtoul(const char *cp, char **endp,
 
     cp = _parse_integer_fixup_radix(cp, &base);
 
-    while (isxdigit(*cp) && (value = isdigit(*cp) ? *cp-'0' : (islower(*cp)
+    while (isxdigit((int)*cp) && (value = isdigit((int)*cp) ? *cp-'0' : (islower((int)*cp)
         ? toupper(*cp) : *cp)-'A'+10) < base)
     {
         result = result*base + value;

Original file line number	Diff line number	Diff line change
`@@ -14,7 +14,7 @@ static const char _parse_integer_fixup_radix(const char s, unsigned int *base)`
`14`	`14`	`{`
`15`	`15`	`if (s[0] == '0')`
`16`	`16`	`{`
`17`		`- if (tolower(s[1]) == 'x' && isxdigit(s[2]))`
	`17`	`+ if (tolower(s[1]) == 'x' && isxdigit((int)s[2]))`
`18`	`18`	`*base = 16;`
`19`	`19`	`else`
`20`	`20`	`*base = 8;`
`@@ -35,7 +35,7 @@ unsigned long simple_strtoul(const char cp, char *endp,`
`35`	`35`
`36`	`36`	`cp = _parse_integer_fixup_radix(cp, &base);`
`37`	`37`
`38`		`- while (isxdigit(cp) && (value = isdigit(cp) ? cp-'0' : (islower(cp)`
	`38`	`+ while (isxdigit((int)cp) && (value = isdigit((int)cp) ? cp-'0' : (islower((int)cp)`
`39`	`39`	`? toupper(cp) : cp)-'A'+10) < base)`
`40`	`40`	`{`
`41`	`41`	`result = result*base + value;`