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tstvdkio.c
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tstvdkio.c
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/**************************************************************************************************/
/* GCCLIB Test Suite - Variable Record Length Files */
/* */
/* Part of GCCLIB - VM/370 CMS Native Std C Library; A Historic Computing Toy */
/* */
/* Contributors: See contrib memo */
/* */
/* Released to the public domain. */
/**************************************************************************************************/
#define __FILENAME__ "TSTVDKIO"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <cmssys.h>
#include <errno.h>
#include "tsts.h"
/**************************************************************************************************/
/* FILE * fopen(const char * filespec, const char * access) */
/* */
/* Open the specified file and return a stream associated with that file. */
/* filespec is a pointer to a string containing the specification of the file to be opened: */
/* "CONSOLE" terminal console (read or write) */
/* "PRINTER" printer (write only) */
/* "PUNCH" card punch (write only) */
/* "READER" card reader (read only) */
/* filename filetype [filemode [F|V [recordLength]]] */
/* disk file (read or write), where: */
/* filename is the up to 8 character name. */
/* filetype is the up to 8 character type. */
/* filemode is the up to 2 character disk mode leter and optional number. */
/* Default "A1" */
/* F|V specifies the record format fixed or variable. It is ignored when */
/* opening a file for reading. */
/* reclen specifies the record length. It is required for fixed-length */
/* files, and is taken as the maximum record length for variable- */
/* length files. It is ignored when opening a file for reading */
/* Each of the above items must be separated by one or more blanks. */
/* */
/* access specifies how the file will be accessed (i.e. for input, output, etc): */
/* r|w|a[+][b] */
/* */
/* Returns: */
/* a pointer to the stream associated with the open file, or NULL on failure. */
/* */
/* Notes: */
/* 1. The maximum record length is 65535 bytes. */
/* 2. The maximum number of records in a file is 32768. */
/* 3. The maximum number of 800-byte blocks in a file is 16060. */
/* 4. When writing a text file, a newline character signals the end of the current record. */
/* 5. When reading a text file, a newline character is inserted at the end of each record. */
/* 6. When writing a fixed-length text file the buffer will be padded with blanks if needed. */
/* 7. When writing a fixed-length binary file the buffer will be padded with NULLs if needed. */
/* 8. Opening a file for writing causes the existing file of that name to be erased, if it */
/* exists. */
/**************************************************************************************************/
static void fopen_t() {
FILE *f;
SUB_STRT("fopen()");
/* Open */
MAKEFILE("TEMP FILE A V 80");
ASSERTNOTNULLP("fopen(TEMP FILE A V 512,r)",
f = fopen("TEMP FILE A V 512", "r"), f, if (f) fclose(f));
ASSERTNOTNULLP("fopen(TEMP FILE A,r)", f = fopen("TEMP FILE A", "r"), f,
if (f) fclose(f));
ASSERTNOTNULLP("fopen(TEMP FILE,r)", f = fopen("TEMP FILE", "r"), f,
if (f) fclose(f));
ASSERTNULL("fopen(NOT MEMO A,r)", f = fopen("NOT MEMO A", "r"), f,
if (f) fclose(f));
ASSERTNOTNULLP("fopen(NEW FILE A V 512,w)",
f = fopen("NEW FILE A V 512", "w"), f, if (f) fclose(f));
ASSERTNOTNULLP("fopen(TEMP FILE A 512,a)",
f = fopen("TEMP FILE A V 512", "a"), f, if (f) fclose(f));
ASSERTNULL("fopen(NOT FILE A V 512,a)", f = fopen("NOT FILE A V 512", "a"),
f, if (f) fclose(f));
ASSERTNOTNULLP("fopen(TEMP FILE A,a)", f = fopen("TEMP FILE A", "a"), f,
if (f) fclose(f));
/* Different Access types */
ASSERTNOTNULLP("fopen(TEMP FILE,r+)", f = fopen("TEMP FILE", "r+"), f,
if (f) fclose(f));
ASSERTNOTNULLP("fopen(TEMP FILE,rb+)", f = fopen("TEMP FILE", "rb+"), f,
if (f) fclose(f));
ASSERTNOTNULLP("fopen(TEMP FILE,rb)", f = fopen("TEMP FILE", "rb"), f,
if (f) fclose(f));
ASSERTNOTNULLP("fopen(NEW FILE A V 512,w+)",
f = fopen("NEW FILE A V 512", "w+"), f, if (f) fclose(f));
ASSERTNOTNULLP("fopen(NEW FILE A V 512,w+b)",
f = fopen("NEW FILE A V 512", "w+b"), f, if (f) fclose(f));
ASSERTNOTNULLP("fopen(NEW FILE A V 512,wb)",
f = fopen("NEW FILE A V 512", "wb"), f, if (f) fclose(f));
ASSERTNOTNULLP("fopen(TEMP FILE A V 512,a+)",
f = fopen("TEMP FILE A V 512", "a+"), f, if (f) fclose(f));
ASSERTNOTNULLP("fopen(TEMP FILE A V 512,a+b)",
f = fopen("TEMP FILE A V 512", "a+b"), f, if (f) fclose(f));
ASSERTNOTNULLP("fopen(TEMP FILE A V 512,ab)",
f = fopen("TEMP FILE A V 512", "ab"), f, if (f) fclose(f));
/* Bad Access */
ASSERTNULL("fopen(TEMP FILE A V 512,x)",
f = fopen("TEMP FILE A V 512", "x"), f, if (f) fclose(f));
ASSERTNULL("fopen(TEMP FILE A V 512,+)",
f = fopen("TEMP FILE A V 512", "+"), f, if (f) fclose(f));
ASSERTNULL("fopen(TEMP FILE A V 512,b)",
f = fopen("TEMP FILE A V 512", "b"), f, if (f) fclose(f));
ASSERTNULL("fopen(TEMP FILE A V 512,)", f = fopen("TEMP FILE A V 512", ""),
f, if (f) fclose(f));
ASSERTNULL("fopen(TEMP FILE A V 512,r+bx)",
f = fopen("TEMP FILE A V 512", "r+bx"), f, if (f) fclose(f));
/* Finally Check if write deletes */
ASSERTNOTNULLP("fopen(TEMP FILE A,w)", f = fopen("TEMP FILE A", "w"), f,
if (f) fclose(f));
ASSERTNULL("fopen(TEMP FILE,r)", f = fopen("TEMP FILE", "r"), f,
if (f) fclose(f));
}
/**************************************************************************************************/
/* int fclose(FILE * file) */
/* Returns: */
/* 0 if all is well, EOF if there is an error. */
/**************************************************************************************************/
static void fclose_t() {
FILE *f;
SUB_STRT("fclose()");
ASSERTNOTNULLP("fopen(TEMP FILE A V 80,w)",
f = fopen("TEMP FILE A V 80", "w"), f,);
ASSERTNOTEOFP("fclose(f)", , fclose(f),);
ASSERTEOF("fputs(SHOULD NOT SEE,f)", , fputs("SHOULD NOT SEE\n", f),);
ASSERTEOF("fclose(f)", , fclose(f),);
}
/**************************************************************************************************/
/* int fflush(FILE * stream) */
/* */
/* Writes any unwritten characters to the specified stream. */
/* */
/* Returns: */
/* 0, indicating that all is well, or a return code from the write operation. */
/* */
/* Notes: */
/* 1. If the stream is not open for output, fflush is a NOP. */
/**************************************************************************************************/
static void fflush_t() {
FILE *test;
FILE *reader;
char buf[200];
SUB_STRT("fflush()");
ASSERTNOTNULLP("fopen(NEW FILE A V 80,w)",
test = fopen("NEW FILE A V 80", "w"), test,);
ASSERTNOTEOFP("fputc()", , FPUTC_WR(TEST_SHORT_STRING, test),);
ASSERTZEROP("fflush()", , fflush(test),);
ASSERTZEROP("fclose()", , fclose(test),);
ASSERTNOTNULLP("fopen(NEW FILE,r)", reader = fopen("NEW FILE", "r"),
reader,);
ASSERTNOTNULLP("fgets(reader)", , fgets(buf, 200, reader),);
ASSERTZERO("strcmp()", , strcmp(buf, TEST_SHORT_STRING_NL),);
ASSERTNULL("fgets(reader)", , fgets(buf, 200, reader),);
ASSERTNOTZERO("feof(reader)", , feof(reader),);
ASSERTZEROP("fclose(reader)", , fclose(reader),);
}
/**************************************************************************************************/
/* int ferror(FILE * stream) */
/* */
/* Returns the error status of the specified stream. */
/* stream a pointer to the open input stream. */
/* */
/* Returns: */
/* the error status, or 0 if there is no error. */
/**************************************************************************************************/
static void ferror_t() {
FILE *test;
SUB_STRT("ferror()");
ASSERTNOTNULLP("fopen(NEW FILE A V 80,w)",
test = fopen("NEW FILE A V 80", "w"), test,);
ASSERTEOF("fgetc()", , fgetc(test),);
ASSERTNOTZERO("ferror()", , ferror(test),);
ASSERTZEROP("fclose()", , fclose(test),);
}
/**************************************************************************************************/
/* void clearerr(FILE * stream) */
/* */
/* Resets the error status of the specified stream to 0. */
/* stream a pointer to the open input stream. */
/**************************************************************************************************/
static void clearerr_t() {
FILE *test;
SUB_STRT("clearerr()");
ASSERTNOTNULLP("fopen(NEW FILE A V 80,w)",
test = fopen("NEW FILE A V 80", "w"), test,);
ASSERTEOF("fgetc()", , fgetc(test),);
clearerr(test);
ASSERTZERO("ferror()", , ferror(test),);
ASSERTZEROP("fclose()", , fclose(test),);
}
/**************************************************************************************************/
/* int fgetc(FILE * stream) */
/* */
/* Read the next character from the specified output stream. */
/* stream a pointer to the open output stream. */
/* */
/* Returns: */
/* the character, or EOF if there is an error. */
/* */
/* Notes: */
/* 1. A newline character is added at the end of each physical line read when reading TEXT */
/* files. */
/**************************************************************************************************/
static void fgetc_t() {
FILE *test;
FILE *out;
char buf[300];
char buf2[300];
SUB_STRT("fgetc() - text");
ASSERTNOTNULLP("fopen(TEST FILE A V,w)", out = fopen("TEST FILE A V", "w"),
out,);
ASSERTNOTEOFP("fputs()", , fputs(TEST_STRING, out),);
ASSERTZEROP("fclose()", , fclose(out),);
ASSERTNOTNULLP("fopen(TEST FILE A,r)", test = fopen("TEST FILE A", "r"),
test,);
ASSERTNOTNULL("FGETC_RD()", , FGETC_RD(buf, 200, test),);
ASSERTZERO("strcmp()", , strcmp(buf, TEST_STRING_NL),);
ASSERTZEROP("fclose()", , fclose(test),);
SUB_STRT("fgetc() - binary");
ASSERTNOTNULLP("fopen(TEST FILE A V,w)", out = fopen("TEST FILE A V", "w"),
out,);
ASSERTNOTEOFP("fputs()", , fputs(TEST_STRING, out),);
ASSERTNOTEOFP("fputs()", , fputs(TEST_STRING, out),);
ASSERTZEROP("fclose()", , fclose(out),);
ASSERTNOTNULLP("fopen(TEST FILE A,rb)", test = fopen("TEST FILE A", "rb"),
test,);
ASSERTNOTNULL("FGETC_RD()", ,
FGETC_RD(buf, strlen(TEST_STRING) * 2, test),);
strcpy(buf2, TEST_STRING);
strcat(buf2, TEST_STRING);
ASSERTZERO("strcmp()", , strcmp(buf, buf2),);
ASSERTZEROP("fclose()", , fclose(test),);
}
/**************************************************************************************************/
/* char * fgets(char * str, int num, FILE * stream) */
/* */
/* Read up to 'num' - 1 characters from the specified file stream and place them into 'str', */
/* terminating them with a NULL. fgets() stops when it reaches the end of a line, in which case */
/* 'str' will contain a newline character. Otherwise, fgets() will stop when it reaches 'num'-1 */
/* characters or encounters the EOF character. */
/* */
/* Returns: */
/* the a pointer to 'str', or NULL if there is an error or EOF. */
/* */
/* Notes: */
/* 1. fgets is only appropriate for a text file. */
/**************************************************************************************************/
static void fgets_t() {
FILE *test;
FILE *out;
char buf[300];
char buf2[300];
SUB_STRT("fgets() - text");
ASSERTNOTNULLP("fopen(TEST FILE A V,w)", out = fopen("TEST FILE A V", "w"),
out,);
ASSERTNOTEOFP("fputs()", , fputs(TEST_STRING, out),);
ASSERTZEROP("fclose()", , fclose(out),);
ASSERTNOTNULLP("fopen(TEST FILE A,r)", test = fopen("TEST FILE A", "r"),
test,);
ASSERTNOTNULL("fgets()", , fgets(buf, 200, test),);
ASSERTZERO("strcmp()", , strcmp(buf, TEST_STRING_NL),);
ASSERTZEROP("fclose()", , fclose(test),);
SUB_STRT("fgets() - binary");
ASSERTNOTNULLP("fopen(TEST FILE A V,w)", out = fopen("TEST FILE A V", "w"),
out,);
ASSERTNOTEOFP("fputs()", , fputs(TEST_STRING, out),);
ASSERTNOTEOFP("fputs()", , fputs(TEST_STRING, out),);
ASSERTZEROP("fclose()", , fclose(out),);
ASSERTNOTNULLP("fopen(TEST FILE A,rb)", test = fopen("TEST FILE A", "rb"),
test,);
ASSERTNOTNULL("fgets()", , fgets(buf, 300, test),);
strcpy(buf2, TEST_STRING);
strcat(buf2, TEST_STRING);
ASSERTZERO("strcmp()", , strcmp(buf, buf2),);
ASSERTZEROP("fclose()", , fclose(test),);
}
/**************************************************************************************************/
/* int feof(FILE * stream) */
/* */
/* Report whether end of file has been reached for the specified input stream. */
/* stream a pointer to the open input stream. */
/* */
/* Returns: */
/* 1 if EOF has been reached, 0 otherwise. */
/**************************************************************************************************/
static void feof_t() {
FILE *test;
char buf[81];
SUB_STRT("feof()");
ASSERTNOTNULLP("fopen(TEMP FILE A V 80,w)",
test = fopen("TEMP FILE A V 80", "w"), test,);
ASSERTZERO("feof()", , feof(test),);
ASSERTNOTEOFP("fputs()", , fputs(TEST_SHORT_STRING, test),);
ASSERTZEROP("fclose()", , fclose(test),);
ASSERTNOTNULLP("fopen(TEMP FILE A,r)", test = fopen("TEMP FILE A", "r"),
test,);
ASSERTZERO("feof()", , feof(test),);
ASSERTNOTNULL("fgets()", , fgets(buf, 81, test),);
ASSERTZERO("feof()", , feof(test),);
ASSERTNULL("fgets()", , fgets(buf, 81, test),);
ASSERTNOTZERO("feof()", , feof(test),);
ASSERTZEROP("fclose()", , fclose(test),);
DELFILE("TEMP FILE A");
}
/**************************************************************************************************/
/* int ungetc(int c, FILE * stream) */
/* */
/* Push a character back onto the open input stream 'stream', such that it is the next character */
/* to be read. */
/* c the character to be pushed back onto the stream. */
/* stream a pointer to the open input stream. */
/* */
/* Returns: */
/* c if successful, EOF if not. */
/* */
/* Notes: */
/* 1. Only 1 character can be in the unget buffer. If a second call to ungetc is made before */
/* the previous character is read, it is not placed in the buffer and EOF is returned. */
/**************************************************************************************************/
static void ungetc_t() {
FILE *test;
char buf[200];
char buf2[200];
SUB_STRT("ungetc() - opened for writing");
ASSERTNOTNULLP("fopen(TEMP FILE A V 80,w)",
test = fopen("TEMP FILE A V 80", "w"), test,);
ASSERTEOF("ungetc(y)", , ungetc('y', test),);
ASSERTZEROP("fclose()", , fclose(test),);
SUB_STRT("ungetc() - text");
ASSERTNOTNULLP("fopen(TEMP FILE A V 80,w)",
test = fopen("TEMP FILE A V 80", "w"), test,);
ASSERTNOTEOFP("fputs()", , fputs(TEST_SHORT_STRING, test),);
ASSERTZEROP("fclose()", , fclose(test),);
ASSERTNOTNULLP("fopen(TEMP FILE A,r)", test = fopen("TEMP FILE A", "r"),
test,);
ASSERTNOTEOF("ungetc(x)", , ungetc('x', test),);
ASSERTEOF("ungetc(y)", , ungetc('y', test),);
ASSERTNOTNULL("fgets()", , fgets(buf, 200, test),);
ASSERTNOTEOF("ungetc(z)", , ungetc('z', test),);
buf2[0] = 'x';
buf2[1] = 0;
strcat(buf2, TEST_SHORT_STRING_NL);
ASSERTZERO("strcmp()", , strcmp(buf, buf2),);
ASSERTZEROP("fclose()", , fclose(test),);
SUB_STRT("ungetc() - binary");
ASSERTNOTNULLP("fopen(TEMP FILE A V 80,w)",
test = fopen("TEMP FILE A V 80", "w"), test,);
ASSERTNOTEOFP("fputs()", , fputs(TEST_SHORT_STRING, test),);
ASSERTZEROP("fclose()", , fclose(test),);
ASSERTNOTNULLP("fopen(TEMP FILE A,rb)", test = fopen("TEMP FILE A", "rb"),
test,);
ASSERTNOTEOF("ungetc(x)", , ungetc('x', test),);
ASSERTEOF("ungetc(y)", , ungetc('y', test),);
ASSERTNOTNULL("fgets()", ,
fgets(buf, strlen(TEST_SHORT_STRING) + 2, test),);
ASSERTNOTEOF("ungetc(z)", , ungetc('z', test),);
buf2[0] = 'x';
buf2[1] = 0;
strcat(buf2, TEST_SHORT_STRING);
ASSERTZERO("strcmp()", , strcmp(buf, buf2),);
ASSERTZEROP("fclose()", , fclose(test),);
DELFILE("TEMP FILE A");
}
/**************************************************************************************************/
/* int fputc(int c, FILE * stream) */
/* */
/* Write a character to the open output stream. This is the same as putc(). */
/* c the character to be written. */
/* stream a pointer to the open output stream. */
/* */
/* Returns: */
/* the character, or EOF if there is an error. */
/**************************************************************************************************/
static void fputc_t() {
FILE *test;
char buf[201];
char buf2[201];
char buf3[201];
int i;
SUB_STRT("fputc() - text");
ASSERTNOTNULLP("fopen(TEMP FILE A V 110,w)",
test = fopen("TEMP FILE A V 110", "w"), test,);
FPUTC_T(test);
ASSERTZEROP("fclose()", , fclose(test),);
ASSERTNOTNULLP("fopen(TEMP FILE A,r)", test = fopen("TEMP FILE A", "r"),
test,);
FGETS_T(test, 110);
ASSERTZEROP("fclose()", , fclose(test),);
SUB_STRT("fputc() - binary");
ASSERTNOTNULLP("fopen(TEMP FILE A V 110,wb)",
test = fopen("TEMP FILE A V 110", "wb"), test,);
buf2[0] = 0;
for (i = 0; i < 20; i++) {
FPUTC_WR("123456789+", test);
strcat(buf2, "123456789+");
}
ASSERTZEROP("fclose()", , fclose(test),);
ASSERTNOTNULLP("fopen(TEMP FILE A,rb)", test = fopen("TEMP FILE A", "rb"),
test,);
ASSERTNOTNULL("fgets()", , fgets(buf, 201, test),);
ASSERTNOTNULL("fgets()", , fgets(buf3, strlen(buf2) - 110 + 1, test),);
strcat(buf, buf3);
ASSERTZERO("strcmp()", , strcmp(buf, buf2),);
ASSERTZEROP("fclose()", , fclose(test),);
}
/**************************************************************************************************/
/* int fputs(const char * str, FILE * stream) */
/* */
/* Write a string to the open output stream. */
/* str the string to be written. */
/* stream a pointer to the open output stream. */
/* */
/* Returns: */
/* non-negative on success, EOF on failure. */
/**************************************************************************************************/
static void fputs_t() {
FILE *test;
char buf[201];
char buf2[201];
char buf3[201];
int i;
SUB_STRT("fputs() - text");
ASSERTNOTNULLP("fopen(TEMP FILE A V 110,w)",
test = fopen("TEMP FILE A V 110", "w"), test,);
FPUTS_T(test);
ASSERTZEROP("fclose()", , fclose(test),);
ASSERTNOTNULLP("fopen(TEMP FILE A,r)", test = fopen("TEMP FILE A", "r"),
test,);
FGETS_T(test, 110);
SUB_STRT("fputs() - binary");
ASSERTZEROP("fclose()", , fclose(test),);
ASSERTNOTNULLP("fopen(TEMP FILE A V 110,wb)",
test = fopen("TEMP FILE A V 110", "wb"), test,);
buf2[0] = 0;
for (i = 0; i < 20; i++) {
fputs("123456789+", test);
strcat(buf2, "123456789+");
}
ASSERTZEROP("fclose()", , fclose(test),);
ASSERTNOTNULLP("fopen(TEMP FILE A,rb)", test = fopen("TEMP FILE A", "rb"),
test,);
ASSERTNOTNULL("fgets()", , fgets(buf, 201, test),);
ASSERTNOTNULL("fgets()", , fgets(buf3, strlen(buf2) - 110 + 1, test),);
strcat(buf, buf3);
ASSERTZERO("strcmp()", , strcmp(buf, buf2),);
ASSERTZEROP("fclose()", , fclose(test),);
}
/**************************************************************************************************/
/* int fwrite(const void * buffer, size_t size, size_t count, FILE * stream) */
/* */
/* Write 'count' objects of size 'size' from 'buffer' to the open output stream. */
/* buffer the array of objects to be written. */
/* size the size of each object. */
/* count the number of objects to be written. */
/* stream a pointer to the open output stream. */
/* */
/* Returns: */
/* the number of objects written. */
/* */
/* Notes: */
/* 1. Use fwrite for writing binary data. Newlines in the output stream are treated as any */
/* other character. */
/* 2. When the record length for the file is reached, that record is written to disk and a */
/* new record is started. Thus the file is treated as a stream of bytes. */
/* */
/* int fread(void * buffer, size_t size, size_t count, FILE * stream) */
/* */
/* Read 'num' objects of size 'size' from the open input stream and write them to 'buffer'. */
/* buffer the array into which the objects are to be read. */
/* size the size of each object. */
/* count the number of objects to be read. */
/* stream a pointer to the open input stream. */
/* */
/* Returns: */
/* the number of objects read. */
/* */
/* Notes: */
/* 1. Use fread for writing binary data. Newlines in the input stream are treated as any */
/* other character. */
/* 2. When the end of a record is reached, reading continues uninterrupted from the next */
/* record. Thus the file is treated as a stream of bytes. */
/**************************************************************************************************/
static void fwriteread_t() {
FILE *test;
const char *item = "1234567890abcdefghijklmnopqrstuvwxyz";
const char *item2 = "1234567890\nghijklmnopqrstuvwxyz";
const int count = 20;
char *buffer;
char *buffer2;
int i;
SUB_STRT("fwrite() and fread()");
buffer = malloc(count * strlen(item));
buffer2 = malloc(count * strlen(item));
buffer[0] = 0;
buffer2[0] = 0;
buffer2[count * strlen(item)] = 0;
for (i = 0; i < count; i++) strcat(buffer, item);
ASSERTNOTNULLP("fopen(TEMP FILE A V 105,wb)",
test = fopen("TEMP FILE A V 105", "wb"), test,);
ASSERTNOTZERO("fwrite()", ,
fwrite(buffer, strlen(item), count, test) == count,);
ASSERTZEROP("fclose()", , fclose(test),);
ASSERTNOTNULLP("fopen(TEMP FILE A,rb)", test = fopen("TEMP FILE A", "rb"),
test,);
ASSERTNOTZERO("fread()", ,
fread(buffer2, strlen(item), count, test) == count,);
ASSERTZERO("strcmp()", , strcmp(buffer, buffer2),);
ASSERTZEROP("fclose()", , fclose(test),);
buffer2[strlen(item2)] = 0;
ASSERTNOTNULLP("fopen(TEMP FILE A V 105,w)",
test = fopen("TEMP FILE A V 105", "w"), test,);
ASSERTNOTZERO("fwrite()", , fwrite(item2, strlen(item2), 1, test) == 1,);
ASSERTZEROP("fclose()", , fclose(test),);
ASSERTNOTNULLP("fopen(TEMP FILE A,r)", test = fopen("TEMP FILE A", "r"),
test,);
ASSERTNOTZERO("fread()", , fread(buffer2, strlen(item2), 1, test) == 1,);
ASSERTZERO("strcmp()", , strcmp(item2, buffer2),);
ASSERTZEROP("fclose()", , fclose(test),);
free(buffer);
free(buffer2);
}
/**************************************************************************************************/
/* long ftell(FILE * stream) */
/* */
/* Return the current file position for the specified stream. */
/* stream a pointer to the open stream. */
/* */
/* Returns: */
/* the position of the next character to be read or written, or -1 if there is an error. */
/* */
/* Notes: */
/* 1. ftell is only valid for a disk file that is open for reading. */
/* 2. Functioally, ftell is equivalent to fgetpos. */
/**************************************************************************************************/
static void ftell_t() {
FILE *test;
SUB_STRT("ftell()");
ASSERTNOTNULLP("fopen(TEMP FILE A V,w)", test = fopen("TEMP FILE A V", "w"),
test,);
ASSERTNOTZERO("ftell()", , ftell(test) == -1,);
ASSERTZEROP("fclose()", , fclose(test),);
}
/**************************************************************************************************/
/* int fseek(FILE * stream, long offset, int origin) */
/* */
/* Moves the file position indicator for the specified stream to the specified position relative */
/* to 'origin', which may be: */
/* SEEK_SET Seek from the start of the file. */
/* SEEK_CUR Seek from the current location. */
/* SEEK_END Seek from the end of the file. */
/* */
/* Returns: */
/* 0 on success, non-zero on failure. */
/* */
/* Note: */
/* 1. fseek is only valid for fixed record length disk files */
/**************************************************************************************************/
static void fseek_t() {
FILE *test;
SUB_STRT("fseek()");
ASSERTNOTNULLP("fopen(TEMP FILE A V,w)", test = fopen("TEMP FILE A V", "w"),
test,);
ASSERTNOTZERO("fseek(SEEK_SET)", , fseek(test, 1, SEEK_SET) != 0,);
ASSERTNOTZERO("fseek(SEEK_CUR)", , fseek(test, 1, SEEK_CUR) != 0,);
ASSERTNOTZERO("fseek(SEEK_END)", , fseek(test, 1, SEEK_END) != 0,);
ASSERTZEROP("fclose()", , fclose(test),);
}
/**************************************************************************************************/
/* int fgetpos(FILE * stream, fpos_t * position) */
/* */
/* The function fills the fpos_t object pointed by pos with the information needed from the */
/* stream's position indicator to restore the stream to its current position with a call to */
/* fsetpos */
/* */
/* Returns: */
/* 0 on success, non-zero on failure. */
/* */
/* */
/* int fsetpos(FILE * stream, fpos_t * position) */
/* */
/* Restores the current position in the stream to pos.
/* The internal file position indicator associated with stream is set to the position represented */
/* by pos, which is a pointer to an fpos_t object whose value shall have been previously obtained */
/* by a call to fgetpos. */
/* The end-of-file internal indicator of the stream is cleared after a successful call to this */
/* function, and all effects from previous calls to ungetc on this stream are dropped. */
/* */
/* Returns: */
/* 0 on success, non-zero on failure. */
/**************************************************************************************************/
static void fgetsetpos_t() {
FILE *test;
const char *item = "1234567890abcdefghijklmnopqrstuvwxyz";
const int count = 20;
char *buffer;
char *buffer2;
int i;
fpos_t position;
SUB_STRT("fgetpos() and fsetpos()");
buffer = malloc(count * strlen(item));
buffer2 = malloc(count * strlen(item));
buffer[0] = 0;
buffer2[0] = 0;
buffer2[count * strlen(item)] = 0;
for (i = 0; i < count; i++) strcat(buffer, item);
ASSERTNOTNULLP("fopen(TEMP FILE A V,wb+)",
test = fopen("TEMP FILE A V", "wb+"), test,);
ASSERTNOTEOFP("fputs()", , fputs("PREFIX", test),);
ASSERTZERO("fgetpos()", , fgetpos(test, &position) != 0,);
ASSERTNOTZERO("fwrite()", ,
fwrite(buffer, strlen(item), count, test) == count,);
ASSERTZERO("fsetpos()", , fsetpos(test, &position) != 0,);
ASSERTNOTZERO("fread()", ,
fread(buffer2, strlen(item), count, test) == count,);
ASSERTZERO("strcmp()", , strcmp(buffer, buffer2),);
ASSERTZEROP("fclose()", , fclose(test),);
ASSERTNOTNULLP("fopen(TEMP FILE A V 80,wb+)",
test = fopen("TEMP FILE A V 80", "wb+"), test,);
ASSERTNOTEOFP("fputs()", ,
fputs("PREFIXABCDEFGHIJKLMNOPQRSTUVWXYZPREFIXABCDEFGHIJKLMNOPQRSTUVWXYZPREFIXABCDEFGHIJKLMNOPQRSTUVWXYZPREFIXABCDEFGHIJKLMNOPQRSTUVWXYZ",
test),);
ASSERTZERO("fgetpos()", , fgetpos(test, &position) != 0,);
ASSERTNOTZERO("fwrite()", ,
fwrite(buffer, strlen(item), count, test) == count,);
ASSERTZERO("fsetpos()", , fsetpos(test, &position) != 0,);
ASSERTNOTZERO("fread()", ,
fread(buffer2, strlen(item), count, test) == count,);
ASSERTZERO("strcmp()", , strcmp(buffer, buffer2),);
ASSERTZEROP("fclose()", , fclose(test),);
free(buffer);
free(buffer2);
}
/**************************************************************************************************/
/* int fgetrec(FILE * stream) */
/* */
/* The function returns the current record number (1 base) */
/* Non-standard GCC CMS extention */
/* */
/* Returns: */
/* record number or 0 on failure / not block device */
/* */
/* int fsetrec(FILE * stream, int recnum) */
/* */
/* The function sets/moves to the record number (1 base) */
/* Non-standard GCC CMS extention */
/* */
/* Returns: */
/* record number or 0 on failure / not block device */
/**************************************************************************************************/
static void fgetsetrec_t() {
FILE *test;
const char *item = "1234567890abcdefghijklmnopqrstuvwxyz\n";
int record;
char buffer[100];
SUB_STRT("fgetrec() and fsetrec()");
ASSERTNOTNULLP("fopen(TEMP FILE A V,w+)",
test = fopen("TEMP FILE A V", "w+"), test,);
ASSERTNOTEOFP("fputs()", , fputs("PREFIX\n", test),);
ASSERTNOTZERO("fgetrec()", , record = fgetrec(test),);
ASSERTNOTEOFP("fputs()", , fputs(item, test),);
ASSERTNOTZERO("fsetrec()", , fsetrec(test, record),);
ASSERTNOTNULL("fgets()", , fgets(buffer, 100, test),);
ASSERTZERO("strcmp()", , strcmp(buffer, item),);
ASSERTZEROP("fclose()", , fclose(test),);
}
/**************************************************************************************************/
/* void rewind(FILE * stream) */
/* */
/* Move the file position indicator to the beginning of the specified stream, and clears the */
/* error and EOF flags associated with that stream. */
/* stream a pointer to the open stream. */
/**************************************************************************************************/
static void rewind_t() {
FILE *test;
const char *item = "1234567890abcdefghijklmnopqrstuvwxyz";
const int count = 20;
char *buffer;
char *buffer2;
int i;
SUB_STRT("rewind()");
buffer = malloc(count * strlen(item));
buffer2 = malloc(count * strlen(item));
buffer[0] = 0;
buffer2[0] = 0;
buffer2[count * strlen(item)] = 0;
for (i = 0; i < count; i++) strcat(buffer, item);
ASSERTNOTNULLP("fopen(TEMP FILE A V,wb+)",
test = fopen("TEMP FILE A V", "wb+"), test,);
ASSERTNOTZERO("fwrite()", ,
fwrite(buffer, strlen(item), count, test) == count,);
ASSERTNOTZERO("rewind()", rewind(test),
1,); /* No direct way to detect an error! */
ASSERTNOTZERO("fread()", ,
fread(buffer2, strlen(item), count, test) == count,);
ASSERTZERO("strcmp()", , strcmp(buffer, buffer2),);
ASSERTZEROP("fclose()", , fclose(test),);
free(buffer);
free(buffer2);
}
/**************************************************************************************************/
/* void setbuf(FILE * file, char *buffer) */
/* */
/* Specifies the buffer to be used by the stream for I/O operations, used as a cache. Or, */
/* alternatively, if buffer is a null pointer, buffering is disabled for the stream */
/* The buffer is assumed to be at least BUFSIZ bytes in size */
/* */
/* A call to this function is equivalent to calling setvbuf with _IOFBF as mode and BUFSIZ as */
/* size (when buffer is not a null pointer), or equivalent to calling it with _IONBF as mode */
/* (when it is a null pointer). */
/* */
/**************************************************************************************************/
static void setbuf_t() {
FILE *test;
char *buffer;
SUB_STRT("setbuf()");
buffer = malloc(BUFSIZ);
ASSERTNOTNULLP("fopen(TEMP FILE A V,w)", test = fopen("TEMP FILE A V", "w"),
test,);
setbuf(test, buffer); /* No error detection! */
ASSERTZEROP("fclose()", , fclose(test),);
free(buffer);
}
/**************************************************************************************************/
/* int setvbuf(FILE * file, char * buffer, int mode, size_t size) */
/* */
/* Specifies a buffer for stream. The function allows to specify the mode and size of the buffer */
/* (in bytes). */
/* */
/* If buffer is a null pointer, the function automatically allocates a buffer */
/* (using size as a hint on the size to use). Otherwise, the array pointed by buffer may be */
/* used as a buffer of size bytes. */
/* */
/* Notes */
/* Buffer is used a a cache for Fixed Record Length files only */
/* Modes _IOFBF and _IOLBF are equivalent and are a line cache for reading */
/* */
/* Returns: */
/* If the buffer is correctly assigned to the file, a zero value is returned. */
/* Otherwise, a non-zero value is returned */
/**************************************************************************************************/
static void setvbuf_t() {
FILE *test;
char *buffer;
SUB_STRT("setvbuf()");
ASSERTNOTNULLP("fopen(TEMP FILE A V 80,w)",
test = fopen("TEMP FILE A V 80", "w"), test,);
ASSERTZERO("setvbuf()", , setvbuf(test, 0, _IOLBF, BUFSIZ),);
ASSERTZEROP("fclose()", , fclose(test),);
}
/**************************************************************************************************/
/* randon access / cache testing functions */
/**************************************************************************************************/
static void makeRecord(char *record, int recno, int length, char *c) {
int i;
length -= 6;
sprintf(record, "%05d", recno);
for (i = 0; i < length; i++) strcat(record, c);
strcat(record, ">");
}
static void writeRecordText(FILE *file, int recno, int length, char *c) {
char *record = malloc(length + 2);
makeRecord(record, recno, length, c);
fputs(record, file);
free(record);
}
static int readRecordText(FILE *file, int recno, int length, char *c) {
char *record = malloc(length + 2);
char *fromFile = malloc(length + 2);
int rc;
makeRecord(record, recno, length, c);
strcat(record, "\n");
if (!fgets(fromFile, length + 2, file)) {
printf("fgets() returned null\n");
free(record);
free(fromFile);
return 1;
}
rc = strcmp(record, fromFile);
if (rc) {
printf("from file (%s)\n", fromFile);
printf("should be (%s)\n", record);
}
free(record);
free(fromFile);
return rc;
}
static void writeRecordBin(FILE *file, int recno, int length, char *c) {
char *record = malloc(length + 1);
makeRecord(record, recno, length, c);
fwrite(record, length, 1, file);
free(record);
}
static int readRecordBin(FILE *file, int recno, int length, char *c) {
char *record = malloc(length + 1);
char *fromFile = malloc(length + 1);
int rc;
makeRecord(record, recno, length, c);
if (!fread(fromFile, length, 1, file)) {
printf("fread() returned 0\n");
free(record);
free(fromFile);
return 1;
}
fromFile[length] = 0;
rc = strcmp(record, fromFile);
if (rc) {
printf("from file (%s)\n", fromFile);
printf("should be (%s)\n", record);
}
free(record);
free(fromFile);
return rc;
}
static void raccess_t() {
FILE *test;
int i;
long r;
int rc;
srand(10); /* Seed random numbers to a set state - repeatability */
SUB_STRT("random access test");
ASSERTNOTNULLP("fopen(TEMP FILE A V 80,w+)",
test = fopen("TEMP FILE A V 80", "w+"), test,);
for (i = 1; i < 100; i++) writeRecordText(test, i, 80, "-");
rewind(test);
TST_STRT("serial read text");
rc = 0;
for (i = 1; i < 100; i++) {
rc = readRecordText(test, i, 80, "-");
if (rc) {
TST_ERR("mismatch");
break;
}
}
if (!rc) TST_OK();
ASSERTZEROP("fclose()", , fclose(test),);
ASSERTNOTNULLP("fopen(TEMP FILE A V 80,wb+)",
test = fopen("TEMP FILE A V 80", "wb+"), test,);
for (i = 1; i < 100; i++) writeRecordBin(test, i, 80, "-");
rewind(test);
TST_STRT("serial read binary");
rc = 0;
for (i = 1; i < 100; i++) {
rc = readRecordBin(test, i, 80, "-");
if (rc) {
TST_ERR("mismatch");
break;
}
}
if (!rc) TST_OK();
ASSERTZEROP("fclose()", , fclose(test),);
ASSERTNOTNULLP("fopen(TEMP FILE A V 80,wb+)",
test = fopen("TEMP FILE A V 80", "wb+"), test,);
for (i = 1; i < 100; i++) writeRecordBin(test, i, 80, "-");
rewind(test);
TST_STRT("random read binary (all cache hits)");
rc = 0;
for (i = 0; i < 500; i++) {
r = (rand() % 99) + 1;
rc = fsetrec(test, r);
if (!rc) {
TST_ERR("fsetrec error");
break;
}
rc = readRecordBin(test, r, 80, "-");
if (rc) {
TST_ERR("mismatch");
break;
}
}
if (!rc) TST_OK();
ASSERTZEROP("fclose()", , fclose(test),);
ASSERTNOTNULLP("fopen(TEMP FILE A V 80,wb+)",
test = fopen("TEMP FILE A V 80", "wb+"), test,);
for (i = 1; i < 100; i++) writeRecordBin(test, i, 80, "-");
ASSERTZEROP("fclose()", , fclose(test),);
ASSERTNOTNULLP("fopen(TEMP FILE A V 80,rb)",
test = fopen("TEMP FILE A V 80", "rb"), test,);
TST_STRT("random read binary (many cache misses)");
rc = 0;
for (i = 0; i < 500; i++) {
r = (rand() % 99) + 1;
rc = fsetrec(test, r);
if (!rc) {
TST_ERR("fsetrec error");
break;
}
rc = readRecordBin(test, r, 80, "-");
if (rc) {
TST_ERR("mismatch");
break;
}
}
if (!rc) TST_OK();
ASSERTZEROP("fclose()", , fclose(test),);
ASSERTNOTNULLP("fopen(TEMP FILE A V 80,wb+)",
test = fopen("TEMP FILE A V 80", "wb+"), test,);
for (i = 1; i < 100; i++) writeRecordBin(test, i, 80, "-");
rewind(test);
TST_STRT("random read/write/read binary (all cache hits)");
rc = 0;
for (i = 0; i < 500; i++) {
r = (rand() % 99) + 1;
rc = fsetrec(test, r);
if (!rc) {
TST_ERR("fsetrec error");
break;
}
rc = readRecordBin(test, r, 80, "-");
if (rc) {
TST_ERR("mismatch");
break;
}
rewind(test);
rc = fsetrec(test, r);
if (!rc) {
TST_ERR("fsetrec error");
break;
}
writeRecordBin(test, r, 80, "*");
rewind(test);
rc = fsetrec(test, r);
if (!rc) {
TST_ERR("fsetrec error");
break;
}
rc = readRecordBin(test, r, 80, "*");
if (rc) {
TST_ERR("mismatch");
break;
}
rc = fsetrec(test, r);
if (!rc) {
TST_ERR("fsetrec error");
break;
}
writeRecordBin(test, r, 80, "-");
}
if (!rc) TST_OK();
ASSERTZEROP("fclose()", , fclose(test),);