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Platform (Linux): fix exe path detection (#1468)

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On error, -1 is returned from readlink()
This commit is contained in:
Peter Zmanovsky
2024-12-29 06:53:20 +05:00
committed by GitHub
parent d967d05019
commit 2a83b86ba4
1 changed files with 4 additions and 2 deletions
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src/util/platform/FFPlatform_unix.c
+4 -2
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@@ -21,7 +21,8 @@ static void getExePath(FFPlatform* platform)
char exePath[PATH_MAX + 1];
#ifdef __linux__
ssize_t exePathLen = readlink("/proc/self/exe", exePath, sizeof(exePath) - 1);
exePath[exePathLen] = '\0';
if (exePathLen >= 0)
exePath[exePathLen] = '\0';
#elif defined(__APPLE__)
int exePathLen = proc_pidpath((int) getpid(), exePath, sizeof(exePath));
#elif defined(__FreeBSD__) || defined(__NetBSD__)
@@ -44,7 +45,8 @@ static void getExePath(FFPlatform* platform)
size_t exePathLen = 0;
#elif defined(__sun)
ssize_t exePathLen = readlink("/proc/self/path/a.out", exePath, sizeof(exePath) - 1);
exePath[exePathLen] = '\0';
if (exePathLen >= 0)
exePath[exePathLen] = '\0';
#endif
if (exePathLen > 0)
{