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core: convert file.c to C++

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Signed-off-by: Berthold Stoeger <bstoeger@mail.tuwien.ac.at>
This commit is contained in:
Berthold Stoeger 2024-02-28 07:50:11 +01:00
parent b060df91e7
commit 9cd5c0e0e6
3 changed files with 31 additions and 37 deletions
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2
Subsurface-mobile.pro
View file

@ -41,7 +41,7 @@ SOURCES += subsurface-mobile-main.cpp \
core/qt-init.cpp \
core/subsurfacesysinfo.cpp \
core/windowtitleupdate.cpp \
core/file.c \
core/file.cpp \
core/fulltext.cpp \
core/subsurfacestartup.cpp \
core/pref.c \

2
core/CMakeLists.txt
View file

@ -89,7 +89,7 @@ set(SUBSURFACE_CORE_LIB_SRCS
exif.cpp
exif.h
extradata.h
file.c
file.cpp
file.h
filterconstraint.cpp
filterconstraint.h

64
core/file.c → core/file.cpp
View file

@ -31,7 +31,7 @@
#define O_BINARY 0
#endif
int readfile(const char *filename, struct memblock *mem)
extern "C" int readfile(const char *filename, struct memblock *mem)
{
int ret, fd;
struct stat st;
@ -52,7 +52,7 @@ int readfile(const char *filename, struct memblock *mem)
ret = 0;
if (!st.st_size)
goto out;
buf = malloc(st.st_size + 1);
buf = (char *)malloc(st.st_size + 1);
ret = -1;
errno = ENOMEM;
if (!buf)
@ -80,19 +80,18 @@ out:
static void zip_read(struct zip_file *file, const char *filename, struct divelog *log)
{
int size = 1024, n, read = 0;
char *mem = malloc(size);
std::vector<char> mem(size);
while ((n = zip_fread(file, mem + read, size - read)) > 0) {
while ((n = zip_fread(file, mem.data() + read, size - read)) > 0) {
read += n;
size = read * 3 / 2;
mem = realloc(mem, size);
mem.resize(size);
}
mem[read] = 0;
(void) parse_xml_buffer(filename, mem, read, log, NULL);
free(mem);
(void) parse_xml_buffer(filename, mem.data(), read, log, NULL);
}
int try_to_open_zip(const char *filename, struct divelog *log)
extern "C" int try_to_open_zip(const char *filename, struct divelog *log)
{
int success = 0;
/* Grr. libzip needs to re-open the file, it can't take a buffer */
@ -119,11 +118,8 @@ int try_to_open_zip(const char *filename, struct divelog *log)
return success;
}
static int db_test_func(void *param, int columns, char **data, char **column)
static int db_test_func(void *, int, char **data, char **)
{
UNUSED(param);
UNUSED(columns);
UNUSED(column);
return *data[0] == '0';
}
@ -149,7 +145,7 @@ static int try_to_open_db(const char *filename, struct memblock *mem, struct div
/* Testing if DB schema resembles Suunto DM5 database format */
retval = sqlite3_exec(handle, dm5_test, &db_test_func, 0, NULL);
if (!retval) {
retval = parse_dm5_buffer(handle, filename, mem->buffer, mem->size, log);
retval = parse_dm5_buffer(handle, filename, (char *)mem->buffer, mem->size, log);
sqlite3_close(handle);
return retval;
}
@ -157,7 +153,7 @@ static int try_to_open_db(const char *filename, struct memblock *mem, struct div
/* Testing if DB schema resembles Suunto DM4 database format */
retval = sqlite3_exec(handle, dm4_test, &db_test_func, 0, NULL);
if (!retval) {
retval = parse_dm4_buffer(handle, filename, mem->buffer, mem->size, log);
retval = parse_dm4_buffer(handle, filename, (char *)mem->buffer, mem->size, log);
sqlite3_close(handle);
return retval;
}
@ -165,7 +161,7 @@ static int try_to_open_db(const char *filename, struct memblock *mem, struct div
/* Testing if DB schema resembles Shearwater database format */
retval = sqlite3_exec(handle, shearwater_test, &db_test_func, 0, NULL);
if (!retval) {
retval = parse_shearwater_buffer(handle, filename, mem->buffer, mem->size, log);
retval = parse_shearwater_buffer(handle, filename, (char *)mem->buffer, mem->size, log);
sqlite3_close(handle);
return retval;
}
@ -173,7 +169,7 @@ static int try_to_open_db(const char *filename, struct memblock *mem, struct div
/* Testing if DB schema resembles Shearwater cloud database format */
retval = sqlite3_exec(handle, shearwater_cloud_test, &db_test_func, 0, NULL);
if (!retval) {
retval = parse_shearwater_cloud_buffer(handle, filename, mem->buffer, mem->size, log);
retval = parse_shearwater_cloud_buffer(handle, filename, (char *)mem->buffer, mem->size, log);
sqlite3_close(handle);
return retval;
}
@ -181,7 +177,7 @@ static int try_to_open_db(const char *filename, struct memblock *mem, struct div
/* Testing if DB schema resembles Atomic Cobalt database format */
retval = sqlite3_exec(handle, cobalt_test, &db_test_func, 0, NULL);
if (!retval) {
retval = parse_cobalt_buffer(handle, filename, mem->buffer, mem->size, log);
retval = parse_cobalt_buffer(handle, filename, (char *)mem->buffer, mem->size, log);
sqlite3_close(handle);
return retval;
}
@ -189,7 +185,7 @@ static int try_to_open_db(const char *filename, struct memblock *mem, struct div
/* Testing if DB schema resembles Divinglog database format */
retval = sqlite3_exec(handle, divinglog_test, &db_test_func, 0, NULL);
if (!retval) {
retval = parse_divinglog_buffer(handle, filename, mem->buffer, mem->size, log);
retval = parse_divinglog_buffer(handle, filename, (char *)mem->buffer, mem->size, log);
sqlite3_close(handle);
return retval;
}
@ -197,7 +193,7 @@ static int try_to_open_db(const char *filename, struct memblock *mem, struct div
/* Testing if DB schema resembles Seac database format */
retval = sqlite3_exec(handle, seacsync_test, &db_test_func, 0, NULL);
if (!retval) {
retval = parse_seac_buffer(handle, filename, mem->buffer, mem->size, log);
retval = parse_seac_buffer(handle, filename, (char *)mem->buffer, mem->size, log);
sqlite3_close(handle);
return retval;
}
@ -227,9 +223,10 @@ static int try_to_open_db(const char *filename, struct memblock *mem, struct div
static int open_by_filename(const char *filename, const char *fmt, struct memblock *mem, struct divelog *log)
{
// hack to be able to provide a comment for the translated string
static char *csv_warning = QT_TRANSLATE_NOOP3("gettextFromC",
"Cannot open CSV file %s; please use Import log file dialog",
"'Import log file' should be the same text as corresponding label in Import menu");
static struct { const char *s; const char *comment; } csv_warning =
QT_TRANSLATE_NOOP3("gettextFromC",
"Cannot open CSV file %s; please use Import log file dialog",
"'Import log file' should be the same text as corresponding label in Import menu");
/* Suunto Dive Manager files: SDE, ZIP; divelogs.de files: DLD */
if (!strcasecmp(fmt, "SDE") || !strcasecmp(fmt, "ZIP") || !strcasecmp(fmt, "DLD"))
@ -237,7 +234,7 @@ static int open_by_filename(const char *filename, const char *fmt, struct memblo
/* CSV files */
if (!strcasecmp(fmt, "CSV"))
return report_error(translate("gettextFromC", csv_warning), filename);
return report_error(translate("gettextFromC", csv_warning.s), filename);
/* Truly nasty intentionally obfuscated Cochran Anal software */
if (!strcasecmp(fmt, "CAN"))
return try_to_open_cochran(filename, mem, log);
@ -257,17 +254,17 @@ static int open_by_filename(const char *filename, const char *fmt, struct memblo
static int parse_file_buffer(const char *filename, struct memblock *mem, struct divelog *log)
{
int ret;
char *fmt = strrchr(filename, '.');
const char *fmt = strrchr(filename, '.');
if (fmt && (ret = open_by_filename(filename, fmt + 1, mem, log)) != 0)
return ret;
if (!mem->size || !mem->buffer)
return report_error("Out of memory parsing file %s\n", filename);
return parse_xml_buffer(filename, mem->buffer, mem->size, log, NULL);
return parse_xml_buffer(filename, (char *)mem->buffer, mem->size, log, NULL);
}
bool remote_repo_uptodate(const char *filename, struct git_info *info)
extern "C" bool remote_repo_uptodate(const char *filename, struct git_info *info)
{
char *current_sha = copy_string(saved_git_id);
@ -286,11 +283,11 @@ bool remote_repo_uptodate(const char *filename, struct git_info *info)
return false;
}
int parse_file(const char *filename, struct divelog *log)
extern "C" int parse_file(const char *filename, struct divelog *log)
{
struct git_info info;
struct memblock mem;
char *fmt;
const char *fmt;
int ret;
if (is_git_repository(filename, &info)) {
@ -330,7 +327,7 @@ int parse_file(const char *filename, struct divelog *log)
/* Divesoft Freedom */
if (fmt && (!strcasecmp(fmt + 1, "DLF"))) {
ret = parse_dlf_buffer(mem.buffer, mem.size, log);
ret = parse_dlf_buffer((unsigned char *)mem.buffer, mem.size, log);
free(mem.buffer);
return ret;
}
@ -339,18 +336,15 @@ int parse_file(const char *filename, struct divelog *log)
if (fmt && !strcasecmp(fmt + 1, "LOG")) {
struct memblock wl_mem;
const char *t = strrchr(filename, '.');
char *wl_name = memcpy(calloc(t - filename + 1, 1), filename, t - filename);
wl_name = realloc(wl_name, strlen(wl_name) + 5);
wl_name = strcat(wl_name, ".add");
if((ret = readfile(wl_name, &wl_mem)) < 0) {
fprintf(stderr, "No file %s found. No WLog extensions.\n", wl_name);
std::string wl_name = std::string(filename, t - filename) + ".add";
if((ret = readfile(wl_name.c_str(), &wl_mem)) < 0) {
fprintf(stderr, "No file %s found. No WLog extensions.\n", wl_name.c_str());
ret = datatrak_import(&mem, NULL, log);
} else {
ret = datatrak_import(&mem, &wl_mem, log);
free(wl_mem.buffer);
}
free(mem.buffer);
free(wl_name);
return ret;
}