src/shared/musl_missing.c

   1 #include <string.h>
   2 #include "alloc-util.h"
   3
   4 #ifndef __GLIBC__
   5 char *program_invocation_name       = NULL;
   6 char *program_invocation_short_name = NULL;
   7 #endif // __GLIBC__
   8
   9 #include "musl_missing.h"
  10
  11 static void elogind_free_program_name(void) {
  12         if (program_invocation_name)
  13                 program_invocation_name       = mfree(program_invocation_name);
  14         if (program_invocation_short_name)
  15                 program_invocation_short_name = mfree(program_invocation_short_name);
  16 }
  17
  18 void elogind_set_program_name(const char* pcall) {
  19         assert(pcall && pcall[0]);
  20
  21         if ( ( program_invocation_name
  22             && strcmp(program_invocation_name, pcall))
  23           || ( program_invocation_short_name
  24             && strcmp(program_invocation_short_name, basename(pcall)) ) )
  25                 elogind_free_program_name();
  26
  27         if (NULL == program_invocation_name)
  28                 program_invocation_name       = strdup(pcall);
  29         if (NULL == program_invocation_short_name)
  30                 program_invocation_short_name = strdup(basename(pcall));
  31
  32 #ifndef __GLIBC__
  33         atexit(elogind_free_program_name);
  34 #endif // __GLIBC__
  35 }
  36