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potential linux save / filetime fixes

This commit is contained in:
insofaras 2016-03-12 02:16:37 +00:00
parent 68eefd8c19
commit db696325c0
1 changed files with 68 additions and 18 deletions
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86
linux_4ed.cpp
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@ -161,7 +161,13 @@ struct Linux_Vars{
#define FPS 60
#define frame_useconds (1000000 / FPS)
#define DBG_FN do { fprintf(stderr, "Fn called: %s\n", __PRETTY_FUNCTION__); } while(0)
#if 0
#define LINUX_FN_DEBUG(fmt, ...) do { \
fprintf(stderr, "%s: " fmt "\n", __func__, ##__VA_ARGS__); \
} while(0)
#else
#define LINUX_FN_DEBUG(fmt, ...)
#endif
globalvar Linux_Vars linuxvars;
globalvar Application_Memory memory_vars;
@ -284,20 +290,26 @@ LinuxStringDup(String* str, void* data, size_t size){
#endif
Sys_File_Time_Stamp_Sig(system_file_time_stamp){
struct stat info;
i64 nanosecond_timestamp;
u64 result;
stat(filename, &info);
nanosecond_timestamp = info.nano_mtime_field;
if (nanosecond_timestamp != 0){
result = (u64)(nanosecond_timestamp / 1000);
}
else{
result = (u64)(info.st_mtime * 1000000);
struct stat info = {};
u64 microsecond_timestamp;
if(stat(filename, &info) == -1){
perror("system_file_time: stat");
return 0;
}
return(result);
if (info.st_mtim.tv_nsec != 0){
microsecond_timestamp =
(info.st_mtim.tv_sec * 1000000ULL) +
(info.st_mtim.tv_nsec / 1000ULL);
}
else{
microsecond_timestamp = info.st_mtime * 1000000ULL;
}
LINUX_FN_DEBUG("%s = %" PRIu64, filename, microsecond_timestamp);
return(microsecond_timestamp);
}
// TODO(allen): DOES THIS AGREE WITH THE FILESTAMP TIMES?
@ -306,8 +318,10 @@ Sys_Time_Sig(system_time){
struct timespec spec;
u64 result;
clock_gettime(CLOCK_MONOTONIC, &spec);
result = (spec.tv_sec * 1000000) + (spec.tv_nsec / 1000);
clock_gettime(CLOCK_REALTIME, &spec);
result = (spec.tv_sec * 1000000ULL) + (spec.tv_nsec / 1000ULL);
//LINUX_FN_DEBUG("ts: %" PRIu64, result);
return(result);
}
@ -416,7 +430,7 @@ Sys_File_Unique_Hash_Sig(system_file_unique_hash){
Unique_Hash result = {};
struct stat st;
if(stat(filename, &st) == -1){
if(stat(filename.str, &st) == -1){
perror("sys_file_unique_hash: stat");
} else {
memcpy(&result, &st.st_dev, sizeof(st.st_dev));
@ -850,7 +864,9 @@ DIRECTORY_CD_SIG(system_directory_cd){
internal
Sys_File_Can_Be_Made(system_file_can_be_made){
return access(filename, W_OK) == 0;
b32 result = access(filename, W_OK) == 0;
LINUX_FN_DEBUG("%s = %d", filename, result);
return(result);
}
internal
@ -862,7 +878,7 @@ Sys_Load_File_Sig(system_load_file){
size_t bytes_to_read;
ssize_t num;
// printf("sys_open_file: %s\n", filename);
LINUX_FN_DEBUG("%s", filename);
fd = open(filename, O_RDONLY);
if(fd < 0){
@ -912,6 +928,39 @@ out:
return(result);
}
internal
Sys_Save_File_Sig(system_save_file){
b32 result = 0;
int fd = open(filename, O_WRONLY | O_TRUNC);
LINUX_FN_DEBUG("%s %d", filename, size);
if(fd < 0){
perror("system_save_file: open");
} else {
do {
ssize_t written = write(fd, data, size);
if(written == -1){
if(errno != EINTR){
perror("system_save_file: write");
close(fd);
return result;
}
} else {
size -= written;
data += written;
}
} while(size);
close(fd);
result = 1;
}
return result;
}
//NOTE(inso): this is a version that writes to a temp file & renames, but might be causing save issues?
#if 0
internal
Sys_Save_File_Sig(system_save_file){
b32 result = 0;
@ -954,6 +1003,7 @@ Sys_Save_File_Sig(system_save_file){
result = 1;
return(result);
}
#endif
#if FRED_USE_FONTCONFIG
internal char*