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-rw-r--r--myfind/is_newer/Makefile15
-rw-r--r--myfind/is_newer/is_newer.c29
2 files changed, 44 insertions, 0 deletions
diff --git a/myfind/is_newer/Makefile b/myfind/is_newer/Makefile
new file mode 100644
index 0000000..3787a95
--- /dev/null
+++ b/myfind/is_newer/Makefile
@@ -0,0 +1,15 @@
+CC = gcc
+CFLAGS = -std=c99 -pedantic -Werror -Wall -Wextra -Wvla -D_DEFAULT_SOURCE
+
+SRC = is_newer.c
+OBJ = $(SRC:.c=.o)
+
+is_newer: $(OBJ)
+ $(CC) $(OBJ) -o is_newer
+
+$(OBJ): $(SRC)
+
+.PHONY: clean
+
+clean :
+ $(RM) $(OBJ) is_newer
diff --git a/myfind/is_newer/is_newer.c b/myfind/is_newer/is_newer.c
new file mode 100644
index 0000000..9f00ffc
--- /dev/null
+++ b/myfind/is_newer/is_newer.c
@@ -0,0 +1,29 @@
+#include <stdio.h>
+#include <sys/stat.h>
+
+#define _POSIX_C_SOURCE 200809L
+
+int main(int argc, char **argv)
+{
+ if (argc != 3)
+ return 2;
+
+ struct stat f1;
+ if (stat(argv[1], &f1))
+ return 2;
+ struct stat f2;
+ if (stat(argv[2], &f2))
+ return 2;
+
+ printf("%s is ", argv[1]);
+ if (f2.st_mtime == f1.st_mtime)
+ {
+ if (f2.st_mtim.tv_nsec >= f1.st_mtim.tv_nsec)
+ printf("not ");
+ }
+ else if (f2.st_mtime > f1.st_mtime)
+ printf("not ");
+ printf("newer than %s\n", argv[2]);
+
+ return 0;
+}