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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/gcc.dg/format/strfmon-1.c
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Diffstat (limited to 'gcc/testsuite/gcc.dg/format/strfmon-1.c')
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diff --git a/gcc/testsuite/gcc.dg/format/strfmon-1.c b/gcc/testsuite/gcc.dg/format/strfmon-1.c
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+/* Test for strfmon format checking. */
+/* Origin: Joseph Myers <jsm28@cam.ac.uk> */
+/* { dg-do compile } */
+/* { dg-options "-std=gnu99 -Wformat" } */
+
+#include "format.h"
+
+void
+foo (char *s, size_t m, double d, long double ld)
+{
+ /* Examples of valid formats from Austin Group draft 7. */
+ strfmon (s, m, "%n", d);
+ strfmon (s, m, "%11n", d);
+ strfmon (s, m, "%#5n", d);
+ strfmon (s, m, "%=*#5n", d);
+ strfmon (s, m, "%=0#5n", d);
+ strfmon (s, m, "%^#5n", d);
+ strfmon (s, m, "%^#5.0n", d);
+ strfmon (s, m, "%^#5.4n", d);
+ strfmon (s, m, "%(#5n", d);
+ strfmon (s, m, "%!(#5n", d);
+ strfmon (s, m, "%-14#5.4n", d);
+ strfmon (s, m, "%14#5.4n", d);
+ /* Some more valid formats, including the GNU L length extension. */
+ strfmon (s, m, "abc%-11ndef%==i%%", d, d);
+ strfmon (s, m, "%%abc%-11ndef%==Li%=%i", d, ld, d);
+ strfmon (s, m, "%Li", ld);
+ strfmon (s, m, "%11Li", ld);
+ strfmon (s, m, "%#5Li", ld);
+ strfmon (s, m, "%=*#5Li", ld);
+ strfmon (s, m, "%=0#5Li", ld);
+ strfmon (s, m, "%^#5Li", ld);
+ strfmon (s, m, "%^#5.0Li", ld);
+ strfmon (s, m, "%^#5.4Li", ld);
+ strfmon (s, m, "%(#5Li", ld);
+ strfmon (s, m, "%!(#5Li", ld);
+ strfmon (s, m, "%-14#5.4Li", ld);
+ strfmon (s, m, "%14#5.4Li", ld);
+ /* Formats with the wrong types used. */
+ strfmon (s, m, "%Ln", d); /* { dg-warning "format" "wrong type" } */
+ strfmon (s, m, "%n", ld); /* { dg-warning "format" "wrong type" } */
+ /* The + and ( flags cannot be used together. */
+ strfmon (s, m, "%+(i", d); /* { dg-warning "flag" "+ and ( flags" } */
+ strfmon (s, m, "%(+i", d); /* { dg-warning "flag" "+ and ( flags" } */
+ /* Although empty precision is OK for printf, it isn't here. */
+ strfmon (s, m, "%#.5n", d); /* { dg-warning "empty" "empty left precision" } */
+ strfmon (s, m, "%#5.n", d); /* { dg-warning "empty" "empty right precision" } */
+ /* However, zero is a valid value for width and precisions. */
+ strfmon (s, m, "%0#0.0n", d);
+ /* Test bogus %% constructions. */
+ strfmon (s, m, "%^%"); /* { dg-warning "format" "bogus %%" } */
+ strfmon (s, m, "%!%\n"); /* { dg-warning "format" "bogus %%" } */
+ strfmon (s, m, "%5%\n"); /* { dg-warning "format" "bogus %%" } */
+ strfmon (s, m, "%.5%\n"); /* { dg-warning "format" "bogus %%" } */
+ strfmon (s, m, "%#5%\n"); /* { dg-warning "format" "bogus %%" } */
+ /* Miscellaneous bogus formats. */
+ strfmon (s, m, "%n%n", d); /* { dg-warning "matching" "too few args" } */
+ strfmon (s, m, ""); /* { dg-warning "zero-length" "empty" } */
+ strfmon (s, m, NULL); /* { dg-warning "null" "null format string" } */
+ strfmon (s, m, "%"); /* { dg-warning "trailing" "tailing %" } */
+ strfmon (s, m, "%n\0", d); /* { dg-warning "embedded" "embedded NUL" } */
+ strfmon (s, m, "%^^n", d); /* { dg-warning "repeated" "repeated flag" } */
+}