scrcpy/app/src/util/process.c

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#include "process.h"
#include <libgen.h>
#include "log.h"
bool
process_check_success(process_t proc, const char *name, bool close) {
if (proc == PROCESS_NONE) {
LOGE("Could not execute \"%s\"", name);
return false;
}
exit_code_t exit_code = process_wait(proc, close);
if (exit_code) {
if (exit_code != NO_EXIT_CODE) {
LOGE("\"%s\" returned with value %" PRIexitcode, name, exit_code);
} else {
LOGE("\"%s\" exited unexpectedly", name);
}
return false;
}
return true;
}
char *
get_local_file_path(const char *name) {
char *executable_path = get_executable_path();
if (!executable_path) {
return NULL;
}
// dirname() does not work correctly everywhere, so get the parent
// directory manually.
// See <https://github.com/Genymobile/scrcpy/issues/2619>
char *p = strrchr(executable_path, PATH_SEPARATOR);
if (!p) {
LOGE("Unexpected executable path: \"%s\" (it should contain a '%c')",
executable_path, PATH_SEPARATOR);
free(executable_path);
return NULL;
}
*p = '\0'; // modify executable_path in place
char *dir = executable_path;
size_t dirlen = strlen(dir);
size_t namelen = strlen(name);
size_t len = dirlen + namelen + 2; // +2: '/' and '\0'
char *file_path = malloc(len);
if (!file_path) {
LOGE("Could not alloc path");
free(executable_path);
return NULL;
}
memcpy(file_path, dir, dirlen);
file_path[dirlen] = PATH_SEPARATOR;
// namelen + 1 to copy the final '\0'
memcpy(&file_path[dirlen + 1], name, namelen + 1);
free(executable_path);
return file_path;
}