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Handle readlink errors (#1292)

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This commit is contained in:
Julien Voisin
2023-08-19 12:28:19 +08:00
committed by takase1121
parent 138cea45d5
commit 1ab320bb9b
1 changed files with 3 additions and 2 deletions
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src/main.c
+3 -2
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@@ -36,8 +36,9 @@ static void get_exe_filename(char *buf, int sz) {
buf[len] = '\0'; buf[len] = '\0';
#elif __linux__ #elif __linux__
char path[] = "/proc/self/exe"; char path[] = "/proc/self/exe";
int len = readlink(path, buf, sz - 1); ssize_t len = readlink(path, buf, sz - 1);
buf[len] = '\0'; if (len > 0)
buf[len] = '\0';
#elif __APPLE__ #elif __APPLE__
/* use realpath to resolve a symlink if the process was launched from one. /* 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 ** This happens when Homebrew installs a cack and creates a symlink in