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-rw-r--r--src/n3.c3
-rw-r--r--src/serd_internal.h1
-rw-r--r--src/string_utils.h15
3 files changed, 14 insertions, 5 deletions
diff --git a/src/n3.c b/src/n3.c
index 2e85ea66..f2c42081 100644
--- a/src/n3.c
+++ b/src/n3.c
@@ -24,7 +24,6 @@
#include "serd/serd.h"
#include <assert.h>
-#include <ctype.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
@@ -714,7 +713,7 @@ read_IRIREF(SerdReader* reader, Ref* dest)
break;
default:
if (c <= 0x20) {
- if (isprint(c)) {
+ if (is_print(c)) {
r_err(reader, SERD_ERR_BAD_SYNTAX,
"invalid IRI character `%c' (escape %%%02X)\n",
c, (unsigned)c);
diff --git a/src/serd_internal.h b/src/serd_internal.h
index 03d4edbd..2090476e 100644
--- a/src/serd_internal.h
+++ b/src/serd_internal.h
@@ -20,7 +20,6 @@
#include "serd/serd.h"
#include <assert.h>
-#include <ctype.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
diff --git a/src/string_utils.h b/src/string_utils.h
index b80bf5aa..b4c2702e 100644
--- a/src/string_utils.h
+++ b/src/string_utils.h
@@ -20,7 +20,6 @@
#include "serd/serd.h"
#include <assert.h>
-#include <ctype.h>
#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>
@@ -75,6 +74,12 @@ is_space(const char c)
}
static inline bool
+is_print(const int c)
+{
+ return c >= 0x20 && c <= 0x7E;
+}
+
+static inline bool
is_base64(const uint8_t c)
{
return is_alpha(c) || is_digit(c) || c == '+' || c == '/' || c == '=';
@@ -93,11 +98,17 @@ serd_substrlen(const uint8_t* str,
size_t* n_bytes,
SerdNodeFlags* flags);
+static inline char
+serd_to_upper(const char c)
+{
+ return (char)((c >= 'a' && c <= 'z') ? c - 32 : c);
+}
+
static inline int
serd_strncasecmp(const char* s1, const char* s2, size_t n)
{
for (; n > 0 && *s2; s1++, s2++, --n) {
- if (toupper(*s1) != toupper(*s2)) {
+ if (serd_to_upper(*s1) != serd_to_upper(*s2)) {
return ((*(const uint8_t*)s1 < *(const uint8_t*)s2) ? -1 : +1);
}
}