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Properly null-terminate the argv list created by sh.

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This commit is contained in:
Andreas Kling 2018-10-26 15:04:20 +02:00
parent 1c45b28da6
commit 63e5583c18
2 changed files with 4 additions and 4 deletions
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BIN
Kernel/_fs_contents
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8
Userland/sh.cpp
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@ -74,19 +74,19 @@ static int runcmd(char* cmd)
memcpy(buf, cmd, 128); memcpy(buf, cmd, 128);
const char* argv[32]; const char* argv[32];
size_t argi = 1; size_t argc = 1;
argv[0] = &buf[0]; argv[0] = &buf[0];
size_t buflen = strlen(buf); size_t buflen = strlen(buf);
for (size_t i = 0; i < buflen; ++i) { for (size_t i = 0; i < buflen; ++i) {
if (buf[i] == ' ') { if (buf[i] == ' ') {
buf[i] = '\0'; buf[i] = '\0';
argv[argi++] = &buf[i + 1]; argv[argc++] = &buf[i + 1];
} }
} }
argv[argi + 1] = nullptr; argv[argc] = nullptr;
int retval = 0; int retval = 0;
if (handle_builtin(argi, argv, retval)) { if (handle_builtin(argc, argv, retval)) {
return 0; return 0;
} }