portable getline replacement (closes #182)

test/graphemetest.c

@@ -1,15 +1,16 @@
 #include "tests.h"
+#include "simple_getline.h"
 
 int main(int argc, char **argv)
 {
-    char *buf = NULL;
+    char buf[8192];
     size_t bufsize = 0;
     FILE *f = argc > 1 ? fopen(argv[1], "r") : NULL;
     utf8proc_uint8_t src[1024];
     int len;
 
     check(f != NULL, "error opening GraphemeBreakTest.txt");
-    while (getline(&buf, &bufsize, f) > 0) {
+    while (simple_getline(buf, f) > 0) {
         size_t bi = 0, si = 0;
         lineno += 1;
 

test/normtest.c

@@ -1,4 +1,5 @@
 #include "tests.h"
+#include "simple_getline.h"
 
 #define CHECK_NORM(NRM, norm, src) {                                 \
     char *src_norm = (char*) utf8proc_ ## NRM((utf8proc_uint8_t*) src);      \
@@ -9,13 +10,12 @@
 
 int main(int argc, char **argv)
 {
-     char *buf = NULL;
+     char buf[8192];
-     size_t bufsize = 0;
      FILE *f = argc > 1 ? fopen(argv[1], "r") : NULL;
      char source[1024], NFC[1024], NFD[1024], NFKC[1024], NFKD[1024];
 
      check(f != NULL, "error opening NormalizationTest.txt");
-     while (getline(&buf, &bufsize, f) > 0) {
+     while (simple_getline(buf, f) > 0) {
           size_t offset;
           lineno += 1;
 

test/simple_getline.h

@@ -0,0 +1,11 @@
+/* simplistic, portable replacement for getline, sufficient for our tests */
+static size_t simple_getline(char buf[8192], FILE *f) {
+    size_t i = 0;
+    while (i < 1023) {
+        int c = getc(f);
+        if (c == EOF || c == '\n') break;
+        buf[i++] = (char) c;
+    }
+    buf[i] = 0;
+    return i;
+}