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Handle failure finding current program path

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This commit is contained in:
Ben V. Brown 2022-11-20 20:42:33 +11:00
parent 8334e583b6
commit 236690b095
1 changed files with 11 additions and 3 deletions
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14
tools/blisp/src/cmd/write.c
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@ -28,10 +28,14 @@ static void* cmd_write_argtable[6];
ssize_t
get_binary_folder(char* buffer, uint32_t buffer_size) {
#ifdef __linux__
readlink("/proc/self/exe", buffer, buffer_size); // TODO: Error handling
if (readlink("/proc/self/exe", buffer, buffer_size) <= 0) {
return -1;
}
char* pos = strrchr(buffer, '/');
#else
GetModuleFileName(NULL, buffer, buffer_size);
if (GetModuleFileName(NULL, buffer, buffer_size) <= 0) {
return -1;
}
char* pos = strrchr(buffer, '\\');
#endif
pos[0] = '\0';
@ -251,7 +255,11 @@ void blisp_flash_firmware() {
char exe_path[PATH_MAX];
char eflash_loader_path[PATH_MAX];
get_binary_folder(exe_path, PATH_MAX); // TODO: Error handling
if (get_binary_folder(exe_path, PATH_MAX) <= 0) {
fprintf(stderr, "Failed to find executable path to search for the "
"eflash loader\n");
goto exit1;
}
snprintf(eflash_loader_path, PATH_MAX, "%s/data/%s/eflash_loader_%s.bin",
exe_path, device.chip->type_str,
device.chip->default_eflash_loader_xtal);