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/* { dg-do compile } */
/* { dg-options "-Wformat -Wformat-length=1 -fdiagnostics-show-caret -ftrack-macro-expansion=0" } */
extern int sprintf (char*, const char*, ...);
char dst [8];
void test (void)
{
sprintf (dst + 7, "%-s", "1");
/* { dg-warning "writing a terminating nul past the end of the destination" "" { target *-*-* } 10 }
{ dg-message "format output 2 bytes into a destination of size 1" "" { target *-*-* } 10 }
{ dg-begin-multiline-output "" }
sprintf (dst + 7, "%-s", "1");
~~^~
{ dg-end-multiline-output "" }
{ dg-begin-multiline-output "" }
sprintf (dst + 7, "%-s", "1");
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
{ dg-end-multiline-output "" } */
sprintf (dst + 7, "%-s", "abcd");
/* { dg-warning ".%-s. directive writing 4 bytes into a region of size 1" "" { target *-*-* } 22 }
{ dg-message "format output 5 bytes into a destination of size 1" "" { target *-*-* } 22 }
{ dg-begin-multiline-output "" }
sprintf (dst + 7, "%-s", "abcd");
^~~ ~~~~~~
{ dg-end-multiline-output "" }
{ dg-begin-multiline-output "" }
sprintf (dst + 7, "%-s", "abcd");
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
{ dg-end-multiline-output "" } */
}
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