simplify more code with std::string and fmtlib

2020-06-25 23:13:28 -04:00
parent e4a3a518f7
commit 84ec2cc39b
3 changed files with 22 additions and 35 deletions
--- a/src/utils.cpp
+++ b/src/utils.cpp
@ -121,11 +121,10 @@ static const char *guesspath(char *buf, int len, FILE *fp)
  memset(buf,0,len);

 #if defined(__linux__)
-  char procpath[32];
  int fd = fileno(fp);
-  snprintf(procpath,32,"/proc/self/fd/%d",fd);
  // get pathname from /proc or copy (unknown)
-  if (readlink(procpath,buf,len-1) <= 0) strcpy(buf,"(unknown)");
+  if (readlink(fmt::format("/proc/self/fd/{}",fd).c_str(),buf,len-1) <= 0)
+    strcpy(buf,"(unknown)");
 #else
  strcpy(buf,"(unknown)");
 #endif