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Added mg_mmap and mg_munmap utility functions for memory mapping files

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m.milanovic@levi9.com 2014-09-04 15:05:42 +02:00
parent 72f45aa7e2
commit 7806609773
2 changed files with 27 additions and 0 deletions
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25
mongoose.c
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@ -5141,3 +5141,28 @@ struct mg_server *mg_create_server(void *server_data, mg_handler_t handler) {
server->event_handler = handler;
return server;
}
#ifdef _WIN32
static void *mmap(void *addr, int64_t len, int prot, int flags, int fd,
int offset) {
HANDLE fh = (HANDLE) _get_osfhandle(fd);
HANDLE mh = CreateFileMapping(fh, 0, PAGE_READONLY, 0, 0, 0);
void *p = MapViewOfFile(mh, FILE_MAP_READ, 0, 0, (size_t) len);
CloseHandle(mh);
return p;
}
#define munmap(x, y) UnmapViewOfFile(x)
#define MAP_FAILED NULL
#define MAP_PRIVATE 0
#define PROT_READ 0
#else
#include <sys/mman.h>
#endif
void *mg_mmap(FILE *fp, size_t size) {
return mmap(NULL, size, PROT_READ, MAP_PRIVATE, fileno(fp), 0);
}
void mg_munmap(void *p, size_t size) {
munmap(p, size);
}

2
mongoose.h
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@ -135,6 +135,8 @@ int mg_url_encode(const char *src, size_t s_len, char *dst, size_t dst_len);
int mg_url_decode(const char *src, int src_len, char *dst, int dst_len, int);
int mg_terminate_ssl(struct mg_connection *c, const char *cert);
int mg_forward(struct mg_connection *, const char *host, int port, int use_ssl);
void *mg_mmap(FILE *fp, size_t size);
void mg_munmap(void *p, size_t size);
// Templates support