depre

commit c9a0475d6badb71ca8cf5c5208a4c6000693869c
parent ad69ba79f75c081fb77ccb30b6e9de7f2928f81e
Auteur: ldp <ldp@asteride.xyz>
Date:   Thu,  8 Aug 2024 09:52:21 -0400

ajout de l'option -V

Diffstat:
M
.gitignore
 | 
2
+-
M
Makefile
 | 
5
++++-
M
depre.c
 | 
12
+++++++++++-

3 files changed, 16 insertions(+), 3 deletions(-)
diff --git a/.gitignore b/.gitignore
@@ -1,3 +1,3 @@
 *.o
 *.core
-dax
+depre
diff --git a/Makefile b/Makefile
@@ -1,3 +1,5 @@
+VERSION    = 1.0-ε/1 (2024/08/08)
+
 PREFIX     = /usr/local
 BIN_DOS    = ${PREFIX}/bin
 
@@ -5,10 +7,11 @@ CC         = cc
 COPTS_SPCL = -O2 -DNDEBUG
 COPTS      = -Wall -Wextra -Werror -Wpedantic -Wno-implicit-fallthrough \
 		-std=c89 ${COPTS_SPCL}
+CPPOPTS    = -DVERSION="\"${VERSION}\""
 
 .SUFFIXES: .c .o
 .c.o:
-	${CC} ${COPTS} -c "$<"
+	${CC} ${CPPOPTS} ${COPTS} -c "$<"
 
 all: depre
 
diff --git a/depre.c b/depre.c
@@ -14,6 +14,7 @@
 #define INTERVALLE (11138 * 60 * 60 * 24 + 3600 * 4)
 
 static void utilisation(FILE *f);
+static void version(void);
 static int ccvt(char *cc, time_t *rep);
 
 char *nom_prog;
@@ -32,12 +33,15 @@ main(int argc, char **argv)
 	secondes = time(NULL);
 
 	opterr = 0;
-	while ((opt = getopt(argc, argv, "s:h")) != -1) {
+	while ((opt = getopt(argc, argv, "s:Vh")) != -1) {
 		switch (opt) {
 		case 's':
 			if (ccvt(optarg, &secondes) < 0)
 				goto erreur;
 			break;
+		case 'V':
+			version();
+			return 0;
 		case 'h':
 			utilisation(stdout);
 			return 0;
@@ -78,6 +82,12 @@ utilisation(FILE *f)
 	fprintf(f, "Utilisation: %s [-r secondes] [-h]\n", nom_prog);
 }
 
+static void
+version(void)
+{
+	fprintf(stdout, "%s " VERSION "\n", nom_prog);
+}
+
 /* convertir une chaîne de caractères en nombre */
 static int
 ccvt(char *cc, time_t *rep)