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fix strerror on mips: one error code is out of the 8-bit table range

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if we ever encounter other targets where error codes don't fit in the
8-bit range, the table should probably just be bumped to 16-bit, but
for now I don't want to increase the table size on all archs just
because of a bug in the mips abi.
This commit is contained in:
Rich Felker 2014-03-05 16:08:56 -05:00
commit abdd2e48df
1 changed files with 7 additions and 1 deletions
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8
src/errno/strerror.c
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@ -1,7 +1,7 @@
#include <errno.h> #include <errno.h>
#include <string.h> #include <string.h>
#define E(a,b) a, #define E(a,b) ((unsigned char)a),
static const unsigned char errid[] = { static const unsigned char errid[] = {
#include "__strerror.h" #include "__strerror.h"
}; };
@ -16,6 +16,12 @@ char *strerror(int e)
{ {
const char *s; const char *s;
int i; int i;
/* mips has one error code outside of the 8-bit range due to a
* historical typo, so we just remap it. */
if (EDQUOT==1133) {
if (e==109) e=-1;
else if (e==EDQUOT) e=109;
}
for (i=0; errid[i] && errid[i] != e; i++); for (i=0; errid[i] && errid[i] != e; i++);
for (s=errmsg; i; s++, i--) for (; *s; s++); for (s=errmsg; i; s++, i--) for (; *s; s++);
return (char *)s; return (char *)s;