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Fix multiple file handling

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1) Fix skip overflow for negative numbers
2) Print proper trailing lines and addresses according to the last
   element.
This commit is contained in:
FRIGN 2015-10-26 17:21:15 +01:00 committed by sin
parent 1e4ab5ec9a
commit 91ab4e80b9
1 changed files with 4 additions and 3 deletions
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5
od.c
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@ -134,7 +134,7 @@ od(FILE *fp, char *fname, int last)
static off_t addr; static off_t addr;
size_t buflen; size_t buflen;
while (skip - addr) { while (skip - addr > 0) {
buflen = fread(buf, 1, MIN(skip - addr, BUFSIZ), fp); buflen = fread(buf, 1, MIN(skip - addr, BUFSIZ), fp);
addr += buflen; addr += buflen;
if (feof(fp) || ferror(fp)) if (feof(fp) || ferror(fp))
@ -153,8 +153,9 @@ od(FILE *fp, char *fname, int last)
} }
} }
} }
if (lineoff) if (lineoff && last)
printline(line, lineoff, addr - lineoff); printline(line, lineoff, addr - lineoff);
if (last)
printline((unsigned char *)"", 0, addr); printline((unsigned char *)"", 0, addr);
} }