From d386f336ee11044d90a3224a407999cf99657dad Mon Sep 17 00:00:00 2001 From: =?utf8?q?J=C3=A9r=C3=B4me=20Benoit?= Date: Wed, 8 Mar 2017 16:34:47 +0100 Subject: [PATCH] TP 12 exo2: Basic file manipulations MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Signed-off-by: Jérôme Benoit --- TP_12/exo2/Makefile | 79 ++++++++++++++++++++++++++++++++++++++++++++ TP_12/exo2/exo2.c | 30 +++++++++++++++++ TP_12/exo2/test_file | 3 ++ 3 files changed, 112 insertions(+) create mode 100644 TP_12/exo2/Makefile create mode 100644 TP_12/exo2/exo2.c create mode 100644 TP_12/exo2/test_file diff --git a/TP_12/exo2/Makefile b/TP_12/exo2/Makefile new file mode 100644 index 0000000..959f299 --- /dev/null +++ b/TP_12/exo2/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=exo2 +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 +OPTIFLAG = -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/exo2/exo2.c b/TP_12/exo2/exo2.c new file mode 100644 index 0000000..199d299 --- /dev/null +++ b/TP_12/exo2/exo2.c @@ -0,0 +1,30 @@ +#include +#include + +int main() { + char ch; + char* fname; + FILE* fp; + + printf("Enter the name of the file you wish to see\n"); + int prt = scanf("%s", fname); + /* if (prt != 0) { + perror("Error entering the file name.\n"); + exit(EXIT_FAILURE); + } */ + + fp = fopen(fname, "r"); /* read mode */ + if (fp == NULL) { + perror("Error while opening the file.\n"); + exit(EXIT_FAILURE); + } + + printf("The content of %s file is :\n", fname); + + while((ch = fgetc(fp)) != EOF) + printf("%c", ch); + + fclose(fp); + + return EXIT_SUCCESS; +} diff --git a/TP_12/exo2/test_file b/TP_12/exo2/test_file new file mode 100644 index 0000000..341dcec --- /dev/null +++ b/TP_12/exo2/test_file @@ -0,0 +1,3 @@ +Bonjour, + +Je suis un fichier texte de test, ouvrez moi, demonter moi. -- 2.34.1