57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/*
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* Copyright (c) 1993 by the University of Southern California
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*
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* For copying and distribution information, please see the file
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* <usc-copyr.h>.
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*/
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#include <usc-copyr.h>
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#include <pfs.h>
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#include <pparse.h>
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#include <perrno.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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/* Frees the buffer on subsequent calls. */
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int
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wholefiletoin(FILE *file, INPUT in)
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{
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struct stat st_buf;
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AUTOSTAT_CHARPP(bufp);
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int tmp; /* temp. return value from subfunctions */
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if(fstat(fileno(file), &st_buf)) {
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p_err_string = qsprintf_stcopyr(p_err_string,
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"wholefiletoin(): Couldn't fstat input file");
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return perrno = PFAILURE;
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}
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/* If buffer sufficiently large, don't bother calling malloc() twice. */
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if (p__bstsize(*bufp) < st_buf.st_size + 1) {
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if (*bufp) stfree(*bufp);
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if((*bufp = stalloc(st_buf.st_size + 1)) == NULL) {
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p_err_string = qsprintf_stcopyr(p_err_string,
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"wholefiletoin(): out of memory");
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return perrno = PFAILURE;
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}
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}
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tmp = fread(*bufp, sizeof (char), st_buf.st_size, file);
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if (tmp != st_buf.st_size) {
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p_err_string = qsprintf_stcopyr(p_err_string,
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"wholefiletoin(): fread() returned %d, not the %d expected.",
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tmp, st_buf.st_size);
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return perrno = PFAILURE;
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}
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(*bufp)[st_buf.st_size] = '\0'; /* treat it as a special null-terminated
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string. */
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in->sourcetype = IO_STRING;
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in->rreq = NULL;
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in->s = *bufp;
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in->file = NULL;
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in->flags = SERVER_DATA_FILE;
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return PSUCCESS;
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}
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