Append to File

From ad6188f911af896c9c77e9215bea3c5c2a4e6cc3 Mon Sep 17 00:00:00 2001 From: Aleksey Veresov Date: Fri, 13 Sep 2019 18:50:34 +0300 Subject: Project name and license are added. Minor changes. --- examples/append.c | 48 ++++++++++++++++++++++++++++++++++++ examples/cookie.c | 58 +++++++++++++++++++++++++++++++++++++++++++ examples/makefile | 24 ++++++++++++++++++ examples/upload.c | 73 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 203 insertions(+) create mode 100644 examples/append.c create mode 100644 examples/cookie.c create mode 100644 examples/makefile create mode 100644 examples/upload.c (limited to 'examples') diff --git a/examples/append.c b/examples/append.c new file mode 100644 index 0000000..f0dfe2a --- /dev/null +++ b/examples/append.c @@ -0,0 +1,48 @@ +#include +#include +#include + + +void handle_request() +{ + struct magi_request request; + if (magi_request_build_cgi(&request, 0, 0)) { + struct magi_field *a = magi_field_list_get(request.fields, "addon"); + if (a && a->data) { + FILE *file = fopen("file_to_append", "a"); + fputs(a->data, file); + fclose(file); + } + magi_request_destroy(&request); + } +} + +void print_preamble() +{ + puts("Content-type: application/xhtml+xml\r\n\r\n"); +} + +void print_webpage() +{ + puts( + "" + "" + "Append to File" + "" + "" + "" + "" + ); +} + +int main(int argc, char const *argv[]) +{ + handle_request(); + print_preamble(); + print_webpage(); + return 0; +} diff --git a/examples/cookie.c b/examples/cookie.c new file mode 100644 index 0000000..8f4018b --- /dev/null +++ b/examples/cookie.c @@ -0,0 +1,58 @@ +#include +#include +#include +#include + + +void print_preamble() +{ + puts( + "Set-Cookie:cookie=monstre\r\n" /* Important to set cookies before: */ + "Content-Type: application/xhtml+xml\r\n\r\n" + ); +} + +void print_webpage_top() +{ + puts( + "" + "" + "Cookie Listing and Setting" + "" + ); +} + +void read_and_print_cookies() +{ + struct magi_request request; + if (magi_request_build_cgi(&request, 0, 0)) { + struct magi_cookie_list *cookie; + for (cookie = request.cookies; cookie; cookie = cookie->next) { + printf( + "[%s] = [%s]
", + cookie->item.name, + cookie->item.data + ); + } + magi_request_destroy(&request); + } +} + +void print_webpage_bottom() +{ + puts( + "" + "" + ); +} + +int main(int argc, char const *argv[]) +{ + print_preamble(); + /* Following probably will be much more pleasant with use of templates. */ + print_webpage_top(); + read_and_print_cookies(); + print_webpage_bottom(); + return 0; +} diff --git a/examples/makefile b/examples/makefile new file mode 100644 index 0000000..e951b47 --- /dev/null +++ b/examples/makefile @@ -0,0 +1,24 @@ +# Uncomment following to enable debug mode: +# DEBUG = yes + +CC = gcc +EXAMPLES = append cookie upload + +CFLAGS = -xc -ansi -pedantic -Wall +ifeq '$(DEBUG)' 'yes' +CFLAGS += -g -O0 +else +CFLAGS += -O3 +endif + +INCLUDE = ../src +LFLAGS = -L.. -lcgi + + +default: $(EXAMPLES) + +%: %.c + $(CC) $(CFLAGS) -I $(INCLUDE) $< $(LFLAGS) -o $@ + +clean: + rm -f $(EXAMPLES) diff --git a/examples/upload.c b/examples/upload.c new file mode 100644 index 0000000..9dc1efd --- /dev/null +++ b/examples/upload.c @@ -0,0 +1,73 @@ +#include +#include +#include +#include +#include + +void tempfile_callback(struct magi_field *field, char *buffer, int len) +{ + static FILE *file = 0; + if (!strcmp(field->name, "data")) { + if (!file) { + remove(field->name); + file = fopen(field->name, "wb"); + } + if (len) { + fwrite(buffer, 1, len, file); + } + if (len < magi_parse_multipart_callback_size) { + fclose(file); + file = 0; + } + } else if (len) { + field->data = realloc(field->data, field->len + len + 1); + memcpy(field->data + field->len, buffer, len); + field->len += len; + field->data[field->len] = 0; + } +} + +void handle_request() +{ + struct magi_request request; + if (magi_request_build_cgi(&request, tempfile_callback, 0)) { + struct magi_field *name = magi_field_list_get(request.fields, "name"); + struct magi_field *data = magi_field_list_get(request.fields, "data"); + if (name && name->data && data) { + rename("data", name->data); + } + magi_request_destroy(&request); + } +} + +void print_preamble() +{ + puts("Content-type: application/xhtml+xml\r\n\r\n"); +} + +void print_webpage() +{ + puts( + "" + "" + "Upload File" + "" + "" + "" + "" + ); +} + +int main(int argc, char const *argv[]) +{ + handle_request(); + print_preamble(); + print_webpage(); + return 0; +} -- cgit v1.2.3