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authorTavian Barnes <tavianator@gmail.com>2009-10-28 21:40:50 -0400
committerTavian Barnes <tavianator@gmail.com>2009-10-28 21:40:50 -0400
commit605b34f1cdb8eb10c05198cfdf4e0a628592d9cf (patch)
treebef6efc369cbab444d61fcbb728df523186c7923 /dimension
parent710a45813e4c9bbc916d876ed111c4b5969cb4e4 (diff)
downloaddimension-605b34f1cdb8eb10c05198cfdf4e0a628592d9cf.tar.xz
Set the locale to `C' during tokenization.
Diffstat (limited to 'dimension')
-rw-r--r--dimension/tokenize.c32
1 files changed, 27 insertions, 5 deletions
diff --git a/dimension/tokenize.c b/dimension/tokenize.c
index 4e3244a..9eeab45 100644
--- a/dimension/tokenize.c
+++ b/dimension/tokenize.c
@@ -18,13 +18,13 @@
*************************************************************************/
#include "tokenize.h"
-#include <stdlib.h>
+#include <stdlib.h> /* For strtoul(), etc. */
#include <string.h>
#include <stdarg.h>
-#include <ctype.h>
-#include <sys/mman.h>
-#include <unistd.h>
-#include <libgen.h>
+#include <ctype.h> /* For isalpha(), etc. */
+#include <sys/mman.h> /* For mmap() */
+#include <libgen.h> /* For dirname() */
+#include <locale.h>
static void
dmnsn_diagnostic(const char *filename, unsigned int line, unsigned int col,
@@ -277,6 +277,14 @@ dmnsn_tokenize_string(const char *filename,
dmnsn_array *
dmnsn_tokenize(const char *filename, FILE *file)
{
+ /* Save the current locale */
+ char *lc_ctype = strdup(setlocale(LC_CTYPE, NULL));
+ char *lc_numeric = strdup(setlocale(LC_NUMERIC, NULL));
+
+ /* Set the locale to `C' to make isalpha(), strtoul(), etc. consistent */
+ setlocale(LC_CTYPE, "C");
+ setlocale(LC_NUMERIC, "C");
+
if (fseeko(file, 0, SEEK_END) != 0) {
fprintf(stderr, "Couldn't seek on input stream\n");
return NULL;
@@ -471,11 +479,25 @@ dmnsn_tokenize(const char *filename, FILE *file)
}
munmap(map, size);
+
+ /* Restore the original locale */
+ setlocale(LC_CTYPE, lc_ctype);
+ setlocale(LC_NUMERIC, lc_numeric);
+ free(lc_ctype);
+ free(lc_numeric);
+
return tokens;
bailout:
dmnsn_delete_tokens(tokens);
munmap(map, size);
+
+ /* Restore the original locale */
+ setlocale(LC_CTYPE, lc_ctype);
+ setlocale(LC_NUMERIC, lc_numeric);
+ free(lc_ctype);
+ free(lc_numeric);
+
return NULL;
}