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replace getOctal with strtol( , NULL, 8)

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saves 100 Bytes
This commit is contained in:
Glenn L McGrath 2001-04-11 05:01:09 +00:00
parent 7dc8d227a5
commit 48081f81bd
2 changed files with 16 additions and 56 deletions
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36
archival/tar.c
View File

@ -476,26 +476,6 @@ tarExtractSpecial(TarInfo *header, int extractFlag, int tostdoutFlag)
return( TRUE);
}
/* Read an octal value in a field of the specified width, with optional
* spaces on both sides of the number and with an optional null character
* at the end. Returns -1 on an illegal format. */
static long getOctal(const char *cp, int size)
{
long val = 0;
for(;(size > 0) && (*cp == ' '); cp++, size--);
if ((size == 0) || !is_octal(*cp))
return -1;
for(; (size > 0) && is_octal(*cp); size--) {
val = val * 8 + *cp++ - '0';
}
for (;(size > 0) && (*cp == ' '); cp++, size--);
if ((size > 0) && *cp)
return -1;
return val;
}
/* Parse the tar header and fill in the nice struct with the details */
static int
readTarHeader(struct TarHeader *rawHeader, struct TarInfo *header)
@ -518,16 +498,16 @@ readTarHeader(struct TarHeader *rawHeader, struct TarInfo *header)
}
}
header->mode = getOctal(rawHeader->mode, sizeof(rawHeader->mode));
header->uid = getOctal(rawHeader->uid, sizeof(rawHeader->uid));
header->gid = getOctal(rawHeader->gid, sizeof(rawHeader->gid));
header->size = getOctal(rawHeader->size, sizeof(rawHeader->size));
header->mtime = getOctal(rawHeader->mtime, sizeof(rawHeader->mtime));
chksum = getOctal(rawHeader->chksum, sizeof(rawHeader->chksum));
header->mode = strtol(rawHeader->mode, NULL, 8);
header->uid = strtol(rawHeader->uid, NULL, 8);
header->gid = strtol(rawHeader->gid, NULL, 8);
header->size = strtol(rawHeader->size, NULL, 8);
header->mtime = strtol(rawHeader->mtime, NULL, 8);
chksum = strtol(rawHeader->chksum, NULL, 8);
header->type = rawHeader->typeflag;
header->linkname = rawHeader->linkname;
header->devmajor = getOctal(rawHeader->devmajor, sizeof(rawHeader->devmajor));
header->devminor = getOctal(rawHeader->devminor, sizeof(rawHeader->devminor));
header->devmajor = strtol(rawHeader->devmajor, NULL, 8);
header->devminor = strtol(rawHeader->devminor, NULL, 8);
/* Check the checksum */
for (i = sizeof(*rawHeader); i-- != 0;) {

36
tar.c
View File

@ -476,26 +476,6 @@ tarExtractSpecial(TarInfo *header, int extractFlag, int tostdoutFlag)
return( TRUE);
}
/* Read an octal value in a field of the specified width, with optional
* spaces on both sides of the number and with an optional null character
* at the end. Returns -1 on an illegal format. */
static long getOctal(const char *cp, int size)
{
long val = 0;
for(;(size > 0) && (*cp == ' '); cp++, size--);
if ((size == 0) || !is_octal(*cp))
return -1;
for(; (size > 0) && is_octal(*cp); size--) {
val = val * 8 + *cp++ - '0';
}
for (;(size > 0) && (*cp == ' '); cp++, size--);
if ((size > 0) && *cp)
return -1;
return val;
}
/* Parse the tar header and fill in the nice struct with the details */
static int
readTarHeader(struct TarHeader *rawHeader, struct TarInfo *header)
@ -518,16 +498,16 @@ readTarHeader(struct TarHeader *rawHeader, struct TarInfo *header)
}
}
header->mode = getOctal(rawHeader->mode, sizeof(rawHeader->mode));
header->uid = getOctal(rawHeader->uid, sizeof(rawHeader->uid));
header->gid = getOctal(rawHeader->gid, sizeof(rawHeader->gid));
header->size = getOctal(rawHeader->size, sizeof(rawHeader->size));
header->mtime = getOctal(rawHeader->mtime, sizeof(rawHeader->mtime));
chksum = getOctal(rawHeader->chksum, sizeof(rawHeader->chksum));
header->mode = strtol(rawHeader->mode, NULL, 8);
header->uid = strtol(rawHeader->uid, NULL, 8);
header->gid = strtol(rawHeader->gid, NULL, 8);
header->size = strtol(rawHeader->size, NULL, 8);
header->mtime = strtol(rawHeader->mtime, NULL, 8);
chksum = strtol(rawHeader->chksum, NULL, 8);
header->type = rawHeader->typeflag;
header->linkname = rawHeader->linkname;
header->devmajor = getOctal(rawHeader->devmajor, sizeof(rawHeader->devmajor));
header->devminor = getOctal(rawHeader->devminor, sizeof(rawHeader->devminor));
header->devmajor = strtol(rawHeader->devmajor, NULL, 8);
header->devminor = strtol(rawHeader->devminor, NULL, 8);
/* Check the checksum */
for (i = sizeof(*rawHeader); i-- != 0;) {