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Modifications for MacOS to let it find data files in the same directory

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as the executable.
This is totally wrong for a "normal" MacOS app bundle, but it follows
the existing Linux convention.
This commit is contained in:
Robert Lipe 2022-10-23 02:26:06 -04:00
parent ec17f896bc
commit e789cdf809
1 changed files with 29 additions and 1 deletions
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30
tools/blisp/src/cmd/write.c
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@ -17,6 +17,29 @@ static struct arg_str* port_name, *chip_type;
static struct arg_end* end; static struct arg_end* end;
static void* cmd_write_argtable[5]; static void* cmd_write_argtable[5];
#ifdef __APPLE__
// Ugh. This stuff is just so messy without C++17 or Qt...
// These are not thread safe, but it doesn't place the responsibility
// to free an allocated buffer on the caller.nn
#include <string.h>
#include <assert.h>
#include <stdlib.h>
static void get_executable_path(char* buffer_out, uint32_t max_size) {
assert (max_size >= PATH_MAX); // n.b. 1024 on MacOS. 4K on most Linux.
char raw_path_name[PATH_MAX]; // $HOME/../../var/tmp/x
char real_path_name[PATH_MAX]; // /var/tmp/x
uint32_t raw_path_size = sizeof(raw_path_name);
if(!_NSGetExecutablePath(raw_path_name, &raw_path_size)) {
realpath(raw_path_name, real_path_name);
}
// *real_path_name is appropriately sized and null terminated.
strcpy(buffer_out, real_path_name);
}
#endif
ssize_t ssize_t
get_binary_folder(char* buffer, uint32_t buffer_size) { get_binary_folder(char* buffer, uint32_t buffer_size) {
#ifdef __linux__ #ifdef __linux__
@ -24,6 +47,11 @@ get_binary_folder(char* buffer, uint32_t buffer_size) {
char* pos = strrchr(buffer, '/'); char* pos = strrchr(buffer, '/');
pos[0] = '\0'; pos[0] = '\0';
return pos - buffer; return pos - buffer;
#elif defined(__APPLE__)
get_executable_path(buffer, buffer_size);
char* pos = strrchr(buffer, '/');
pos[0] = '\0';
return pos - buffer;
#else #else
#error NOT IMPLEMENTED #error NOT IMPLEMENTED
WCHAR path[MAX_PATH]; WCHAR path[MAX_PATH];
@ -188,4 +216,4 @@ cmd_write_free() {
} }
struct cmd cmd_write struct cmd cmd_write
= { "write", cmd_write_args_init, cmd_write_parse_exec, cmd_write_args_print_syntax, cmd_write_free }; = { "write", cmd_write_args_init, cmd_write_parse_exec, cmd_write_args_print_syntax, cmd_write_free };