54 lines
950 B
C++
54 lines
950 B
C++
// RUN: %clangxx -O0 -g %s -o %t && %run %t 2>&1 | FileCheck %s
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//
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// UNSUPPORTED: linux, darwin, solaris
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#include <assert.h>
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#include <inttypes.h>
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#include <stdio.h>
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int main(void) {
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printf("fseek\n");
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FILE *fp = fopen("/etc/fstab", "r");
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assert(fp);
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int rv = fseek(fp, 10, SEEK_SET);
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assert(!rv);
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printf("position: %ld\n", ftell(fp));
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rewind(fp);
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printf("position: %ld\n", ftell(fp));
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rv = fseeko(fp, 15, SEEK_SET);
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assert(!rv);
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printf("position: %" PRIuMAX "\n", (uintmax_t)ftello(fp));
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fpos_t pos;
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rv = fgetpos(fp, &pos);
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assert(!rv);
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rewind(fp);
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printf("position: %" PRIuMAX "\n", (uintmax_t)ftello(fp));
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rv = fsetpos(fp, &pos);
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assert(!rv);
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printf("position: %" PRIuMAX "\n", (uintmax_t)ftello(fp));
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rv = fclose(fp);
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assert(!rv);
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// CHECK: fseek
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// CHECK: position: 10
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// CHECK: position: 0
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// CHECK: position: 15
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// CHECK: position: 0
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// CHECK: position: 15
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return 0;
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}
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