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Handle readlink errors (#1292)

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Julien Voisin 2023-01-05 21:59:45 +01:00 committed by GitHub
parent 72c0ad768e
commit 6c6e5e9b99
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1 changed files with 3 additions and 2 deletions
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src/main.c
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@ -36,8 +36,9 @@ static void get_exe_filename(char *buf, int sz) {
buf[len] = '\0';
#elif __linux__
char path[] = "/proc/self/exe";
int len = readlink(path, buf, sz - 1);
buf[len] = '\0';
ssize_t len = readlink(path, buf, sz - 1);
if (len > 0)
buf[len] = '\0';
#elif __APPLE__
/* use realpath to resolve a symlink if the process was launched from one.
** This happens when Homebrew installs a cack and creates a symlink in