25 lines
464 B
C
25 lines
464 B
C
#include <stdlib.h>
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#include <unistd.h>
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#include <wait.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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int system(const char * command) {
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char * args[] = {
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"/bin/sh",
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"-c",
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(char *)command,
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NULL,
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};
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pid_t pid = fork();
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if (!pid) {
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execvp(args[0], args);
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exit(1);
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__builtin_unreachable(); /* With -ffreestanding, gcc doesn't realize exit() doesn't return. */
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} else {
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int status;
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waitpid(pid, &status, 0);
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return WEXITSTATUS(status);
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}
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}
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