coreutils

cat: Move buffer onto stack

Moving the buffer onto the stack improves performance slightly.

Diffstat

1 files changed, 4 insertions, 4 deletions

diff --git a/src/cat.c b/src/cat.c
index 090eb60..12164d7 100644
--- a/src/cat.c
+++ b/src/cat.c
@@ -1,4 +1,4 @@
-// cat.c, version 1.0.2
+// cat.c, version 1.0.3
 // OMKOV coreutils implementation of POSIX cat
 // Copyright (C) 2020, Jakob Wakeling
 // All rights reserved.
@@ -41,7 +41,7 @@ CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS WITH THE SOFTWARE.
 #include <stdio.h>
 #include <string.h>
 
-static char stdbuf[BUFSIZ * 16];
+#define VERSION "1.0.3"
 
 static inline int cat(const char *file);
 
@@ -75,7 +75,7 @@ int main(int argc, char *argv[]) {
 }
 
 static inline int cat(const char *file) {
-	FILE *fi;
+	char stdbuf[BUFSIZ * 16]; FILE *fi;
 
 	if (file[0] == '-' && file[1] == 0) { fi = stdin; }
 	else if (!(fi = fopen(file, "r"))) { return 1; }
@@ -98,7 +98,7 @@ static void help(void) {
 }
 
 static void version(void) {
-	puts("OMKOV coreutils cat, version 1.0.2");
+	puts("OMKOV coreutils cat, version " VERSION);
 	puts("Copyright (C) 2020, Jakob Wakeling");
 	puts("All rights reserved.");
 	puts("OMKOV Permissive Licence (https://www.omkov.net/OLPE)");