86 lines
3.1 KiB
C
86 lines
3.1 KiB
C
/* Test for scanf formats. %a and %m extensions. */
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/* { dg-do compile } */
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/* { dg-options "-std=gnu89 -Wformat" } */
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#include "format.h"
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void
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foo (char **sp, wchar_t **lsp, int *ip, float *fp, void **pp, double *dp)
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{
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/* %a formats for allocation, only recognized in C90 mode, are a
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GNU extension. Followed by other characters, %a is not treated
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specially.
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*/
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scanf ("%as", sp);
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scanf ("%aS", lsp);
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scanf ("%las", dp);
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scanf ("%la", lsp); /* { dg-warning "but argument 2 has type" } */
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scanf ("%las", lsp); /* { dg-warning "but argument 2 has type" } */
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scanf ("%a[bcd]", sp);
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scanf ("%la[bcd]", dp);
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scanf ("%*as");
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scanf ("%*aS");
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scanf ("%*las"); /* { dg-warning "assignment suppression and length modifier" } */
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scanf ("%*a[bcd]");
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scanf ("%*la[bcd]"); /* { dg-warning "assignment suppression and length modifier" } */
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scanf ("%10as", sp);
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scanf ("%5aS", lsp);
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scanf ("%9las", dp);
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scanf ("%25a[bcd]", sp);
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scanf ("%48la[bcd]", dp);
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scanf ("%*10as");
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scanf ("%*5aS");
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scanf ("%*9las"); /* { dg-warning "assignment suppression and length modifier" } */
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scanf ("%*25a[bcd]");
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scanf ("%*48la[bcd]"); /* { dg-warning "assignment suppression and length modifier" } */
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/* m assignment-allocation modifier, recognized in both C90
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and C99 modes, is a POSIX and ISO/IEC WDTR 24731-2 extension. */
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scanf ("%ms", sp);
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scanf ("%mS", lsp);
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scanf ("%mls", lsp);
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scanf ("%m[bcd]", sp);
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scanf ("%ml[bcd]", lsp);
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scanf ("%mc", sp);
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scanf ("%mlc", lsp);
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scanf ("%mC", lsp);
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scanf ("%*ms");
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scanf ("%*mS");
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scanf ("%*mls"); /* { dg-warning "assignment suppression and length modifier" } */
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scanf ("%*m[bcd]");
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scanf ("%*ml[bcd]"); /* { dg-warning "assignment suppression and length modifier" } */
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scanf ("%*mc");
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scanf ("%*mlc"); /* { dg-warning "assignment suppression and length modifier" } */
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scanf ("%*mC");
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scanf ("%10ms", sp);
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scanf ("%5mS", lsp);
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scanf ("%9mls", lsp);
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scanf ("%25m[bcd]", sp);
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scanf ("%41ml[bcd]", lsp);
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scanf ("%131mc", sp);
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scanf ("%27mlc", lsp);
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scanf ("%2mC", lsp);
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scanf ("%*10ms");
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scanf ("%*5mS");
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scanf ("%*9mls"); /* { dg-warning "assignment suppression and length modifier" } */
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scanf ("%*25m[bcd]");
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scanf ("%*41ml[bcd]"); /* { dg-warning "assignment suppression and length modifier" } */
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scanf ("%*131mc");
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scanf ("%*27mlc"); /* { dg-warning "assignment suppression and length modifier" } */
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scanf ("%*2mC");
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scanf ("%md", ip); /* { dg-warning "flag used with" } */
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scanf ("%mi", ip); /* { dg-warning "flag used with" } */
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scanf ("%mo", ip); /* { dg-warning "flag used with" } */
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scanf ("%mu", ip); /* { dg-warning "flag used with" } */
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scanf ("%mx", ip); /* { dg-warning "flag used with" } */
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scanf ("%me", fp); /* { dg-warning "flag used with" } */
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scanf ("%mf", fp); /* { dg-warning "flag used with" } */
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scanf ("%mg", fp); /* { dg-warning "flag used with" } */
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scanf ("%mp", pp); /* { dg-warning "flag used with" } */
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scanf ("%mas", sp); /* { dg-warning "flag together" } */
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scanf ("%maS", lsp); /* { dg-warning "flag together" } */
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scanf ("%ma[bcd]", sp); /* { dg-warning "flag together" } */
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}
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