xiaoxiang781216 commented on code in PR #7724:
URL: https://github.com/apache/nuttx/pull/7724#discussion_r1034875948
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libs/libc/stdlib/lib_strtof.c:
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@@ -82,6 +83,34 @@ static inline int is_real(float x)
return (x < infinite) && (x >= -infinite);
}
+int chtof(char c, float base, FAR float *number)
+{
+ /* This function is to determine if c is keyword
+ * Then set number + base
+ */
+
+ if (isdigit(c) || (c >= 'A' && c <= 'F')
+ || (c >= 'a' && c <= 'f'))
+ {
+ if (isdigit(c))
+ {
+ *number = *number * base + (double)(c - '0');
+ }
+ else if (c >= 'A' && c <= 'F')
+ {
+ *number = *number * base + (double)(c - '7');
+ }
+ else
Review Comment:
else fi (c >= 'a' && c <= 'f')
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