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build: drop unused variable from "C99 snprintf" meson check

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Otherwise, `CFLAGS='-Wall -Werror' meson build` fails detection with:

  Running compile:
  ...
  int
  main(void)
  {
    doit();
    exit(1);
  }
  -----------
  Command line: `cc /data/src/glib/build/meson-private/tmp7n5yqh0h/testfile.c -o /data/src/glib/build/meson-private/tmp7n5yqh0h/output.exe -Werror -Wall -D_FILE_OFFSET_BITS=64 -O0 -std=gnu99` -> 1
  stderr:
  /data/src/glib/build/meson-private/tmp7n5yqh0h/testfile.c: In function 'doit':
  /data/src/glib/build/meson-private/tmp7n5yqh0h/testfile.c:10:11: error: unused variable 'args' [-Werror=unused-variable]
     10 |   va_list args;
        |           ^~~~
  /data/src/glib/build/meson-private/tmp7n5yqh0h/testfile.c:13:33: error: '1234567' directive output truncated writing 7 bytes into a region of size 5 [-Werror=format-truncation=]
     13 |   r = snprintf(buffer, 5, "1234567");
        |                            ~~~~~^~
  /data/src/glib/build/meson-private/tmp7n5yqh0h/testfile.c:13:7: note: 'snprintf' output 8 bytes into a destination of size 5
     13 |   r = snprintf(buffer, 5, "1234567");
        |       ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  cc1: all warnings being treated as errors
  -----------
  Could not compile test file /data/src/glib/build/meson-private/tmp7n5yqh0h/testfile.c: 1

  Checking if "C99 snprintf" runs: DID NOT COMPILE
This commit is contained in:
Thomas Haller 2024-02-07 10:53:41 +01:00
parent 5525672a5f
commit d0afd2b783
1 changed files with 0 additions and 1 deletions
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@ -1223,7 +1223,6 @@ int
doit()
{
char buffer[32];
va_list args;
int r;
r = snprintf(buffer, 5, "1234567");