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Subject[PATCH 10/42] tools/nolibc/ctype: add the missing is* functions
Date
There was only isdigit, this commit adds the other ones.

Signed-off-by: Willy Tarreau <w@1wt.eu>
---
tools/include/nolibc/ctype.h | 79 +++++++++++++++++++++++++++++++++++-
1 file changed, 78 insertions(+), 1 deletion(-)

diff --git a/tools/include/nolibc/ctype.h b/tools/include/nolibc/ctype.h
index 6735bd906f25..e3000b2992d7 100644
--- a/tools/include/nolibc/ctype.h
+++ b/tools/include/nolibc/ctype.h
@@ -13,10 +13,87 @@
* As much as possible, please keep functions alphabetically sorted.
*/

+static __attribute__((unused))
+int isascii(int c)
+{
+ /* 0x00..0x7f */
+ return (unsigned int)c <= 0x7f;
+}
+
+static __attribute__((unused))
+int isblank(int c)
+{
+ return c == '\t' || c == ' ';
+}
+
+static __attribute__((unused))
+int iscntrl(int c)
+{
+ /* 0x00..0x1f, 0x7f */
+ return (unsigned int)c < 0x20 || c == 0x7f;
+}
+
static __attribute__((unused))
int isdigit(int c)
{
- return (unsigned int)(c - '0') <= 9;
+ return (unsigned int)(c - '0') < 10;
+}
+
+static __attribute__((unused))
+int isgraph(int c)
+{
+ /* 0x21..0x7e */
+ return (unsigned int)(c - 0x21) < 0x5e;
+}
+
+static __attribute__((unused))
+int islower(int c)
+{
+ return (unsigned int)(c - 'a') < 26;
+}
+
+static __attribute__((unused))
+int isprint(int c)
+{
+ /* 0x20..0x7e */
+ return (unsigned int)(c - 0x20) < 0x5f;
+}
+
+static __attribute__((unused))
+int isspace(int c)
+{
+ /* \t is 0x9, \n is 0xA, \v is 0xB, \f is 0xC, \r is 0xD */
+ return ((unsigned int)c == ' ') || (unsigned int)(c - 0x09) < 5;
+}
+
+static __attribute__((unused))
+int isupper(int c)
+{
+ return (unsigned int)(c - 'A') < 26;
+}
+
+static __attribute__((unused))
+int isxdigit(int c)
+{
+ return isdigit(c) || (unsigned int)(c - 'A') < 6 || (unsigned int)(c - 'a') < 6;
+}
+
+static __attribute__((unused))
+int isalpha(int c)
+{
+ return islower(c) || isupper(c);
+}
+
+static __attribute__((unused))
+int isalnum(int c)
+{
+ return isalpha(c) || isdigit(c);
+}
+
+static __attribute__((unused))
+int ispunct(int c)
+{
+ return isgraph(c) && !isalnum(c);
}

#endif /* _NOLIBC_CTYPE_H */
--
2.35.1
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