From: Jérôme Benoit Date: Wed, 8 Mar 2017 22:19:44 +0000 (+0100) Subject: TP 12 exo3: Add a basic exercice skeleton for file copy and CLI X-Git-Url: https://git.piment-noir.org/?a=commitdiff_plain;h=0c62e9d52739a0d20049f722b8ce3a94a4a64795;p=TD_C.git TP 12 exo3: Add a basic exercice skeleton for file copy and CLI arguments handling Signed-off-by: Jérôme Benoit --- diff --git a/TP_12/exo3/Makefile b/TP_12/exo3/Makefile new file mode 100644 index 0000000..ede673f --- /dev/null +++ b/TP_12/exo3/Makefile @@ -0,0 +1,79 @@ +# Sample Makefile to build simple project. +# +# This Makefile expect all source files (.c) to be at the same level, in the +# current working directory. +# +# It will automatically generate dependencies, compile all files, and produce a +# binary using the provided name. +# +# Set BINARY_NAME to the name of the binary file to build. +# Set BUILD_TYPE to either debug or release +# +# Automatic dependencies code from: +# http://make.mad-scientist.net/papers/advanced-auto-dependency-generation/#tldr +BINARY_NAME=exo3 +BUILD_TYPE=debug + +# ==================================== +# DO NOT CHANGE STUFF BEYOND THIS LINE +# ==================================== + +all: $(BINARY_NAME) + +CC=gcc +LD=gcc + +WARN_FLAGS = -Wall -Wextra +STD_FLAG = -std=c11 + +ifeq ($(BUILD_TYPE),debug) +BUILDDIR := .build/debug +DEBUG_FLAG = -g +STRIP_FLAG = +OPTI_FLAG = -O0 +else +BUILDDIR := .build/release +DEBUG_FLAG = +STRIP_FLAG = -s +OPTI_FLAG = -O3 +endif + +CFLAGS := $(CFLAGS) $(WARN_FLAGS) $(STD_FLAG) $(OPTI_FLAG) $(DEBUG_FLAG) +LDFLAGS := $(LDFLAGS) $(STRIP_FLAG) + +OBJDIR := $(BUILDDIR)/objs +$(shell mkdir -p $(OBJDIR)) + +SRCS=$(wildcard *.c) +OBJS=$(patsubst %.c,$(OBJDIR)/%.o,$(SRCS)) + +DEPDIR := $(BUILDDIR)/deps +$(shell mkdir -p $(DEPDIR)) +DEPFLAGS = -MT $@ -MMD -MP -MF $(DEPDIR)/$*.Td +POSTCOMPILE = mv -f $(DEPDIR)/$*.Td $(DEPDIR)/$*.d + +$(BINARY_NAME): $(OBJS) + @echo "[LD ] $@" + @$(LD) $(CFLAGS) $(LDFLAGS) $^ $(LDLIBS) -o $@ + +$(OBJDIR)/%.o: %.c $(DEPDIR)/%.d + @echo "[C ] $*" + @$(CC) $(DEPFLAGS) $(CFLAGS) -c $< -o $@ + @$(POSTCOMPILE) + +$(DEPDIR)/%.d: ; + +.PRECIOUS: $(DEPDIR)/%.d + +include $(wildcard $(patsubst %,$(DEPDIR)/%.d,$(basename $(SRCS)))) + +clean: + @echo "[CLN]" + -@rm -r $(BUILDDIR) + -@rm $(BINARY_NAME) + +disassemble: $(BINARY_NAME) + objdump -d $< | less + +symbols: $(BINARY_NAME) + objdump -t $< | sort | less diff --git a/TP_12/exo3/exo3.c b/TP_12/exo3/exo3.c new file mode 100644 index 0000000..3e5560a --- /dev/null +++ b/TP_12/exo3/exo3.c @@ -0,0 +1,22 @@ +#include +#include + +int main(int argc, char** argv) { + char* fnamesrc = (char*)argv[1], fnamedest = (char*)argv[2]; + FILE* fpsrc, fpdest; + + if (argc < 3) { + puts("Please enter two arguments separated by a space: file_name_src file_name_dest"); + exit(EXIT_FAILURE); + } + + fpsrc = fopen(fnamesrc, "r"); /* read mode */ + if (fpsrc == NULL) { + perror("Error while opening the source file.\n"); + exit(EXIT_FAILURE); + } + + fclose(fpsrc); + + return EXIT_SUCCESS; +} diff --git a/TP_12/exo3/file_src b/TP_12/exo3/file_src new file mode 100644 index 0000000..e69de29